TL;DR

1. npm uninstall node-sass
2. npm install [email protected]

Or, if using yarn (default in newer CRA versions)

1. yarn remove node-sass
2. yarn add [email protected]

Edit2: sass-loader v10.0.5 fixes it. Problem is, you might not be using it as a project dependency, but more as a dependency of your dependencies. CRA uses a fixed version, angular-cli locks to node-sass v4 an so on.
The recommendation for now is: if you're installing just node-sass check below workaround (and the note). If you're working on a blank project and you can manage your webpack configuration (not using CRA or a CLI to scaffold your project) install latest sass-loader.

Edit: this error comes from sass-loader. There is a semver mismatch since node-sass @latest is v5.0.0 and sass-loader expects ^4.0.0.
There is an open issue on their repository with an associated fix that needs to be reviewed. Until then, refer to the solution below.

Workaround: don't install node-sass 5.0.0 yet (major version was just bumped).

Uninstall node-sass

npm uninstall node-sass

Then install the latest version (before 5.0)

npm install [email protected]

Note: LibSass (hence node-sass as well) is deprecated and dart-sass is the recommended implementation. You can use sass instead, which is a node distribution of dart-sass compiled to pure JavaScript. Be warned though:

Be careful using this approach. React-scripts uses sass-loader v8, which prefers node-sass to sass (which has some syntax not supported by node-sass). If both are installed and the user worked with sass, this could lead to errors on css compilation

For ng9 upgraders:

npm i -g core-js@^3

..then:

npm cache clean -f

..followed by:

npm i

I had a similar problem and solved it :

I was automatically making the user logged-in by dispatching an action on redux ( placing authentication token on redux state )

and then I was trying to show a message with this.setState({succ_message: "...") in my component.

Component was looking empty with the same error on console : "unmounted component".."memory leak" etc.

After I read Walter's answer up in this thread

I've noticed that in the Routing table of my application , my component's route wasn't valid if user is logged-in :

{!this.props.user.token &&
        <div>
            <Route path="/register/:type" exact component={MyComp} />                                             
        </div>
}

I made the Route visible whether the token exists or not.

Replace your file name in package.json ({"npm": <your server code file name>.js}) with that file where your server code is running (it should be app.js, main.js, start.js, server.js, or whatever you picked up).

Changed my application.conf file as below. It solved the problem.

Before Change:

slick {
  dbs {
    default {
      profile = "slick.jdbc.MySQLProfile$"
      db {
        driver = "com.mysql.jdbc.Driver"
        url = "jdbc:mysql://localhost:3306/test"
        user = "root"
        password = "root"
      }
    }
  }
}

After Change:

slick {
  dbs {
    default {
      profile = "slick.jdbc.MySQLProfile$"
      db {
        driver = "com.mysql.cj.jdbc.Driver"
        url = "jdbc:mysql://localhost:3306/test"
        user = "root"
        password = "root"
      }
    }
  }
}

https://fettblog.eu/gulp-4-parallel-and-series/

Because gulp.task(name, deps, func) was replaced by gulp.task(name, gulp.{series|parallel}(deps, func)).

You are using the latest version of gulp but older code. Modify the code or downgrade.

Update the useSSL=true in spring boot application connection with mysql;

jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf8&useSSL=true&useLegacyDatetimeCode=false&serverTimezone=UTC

I've just had a similar issue. The project had opened using Java 9 but even after all the modules and project were set back to 1.8, I was still getting the error.

I needed to force Gradle to refresh the project and then everything ran as expected.

I believe sideshowbarker 's answer here has all the info you need to fix this. If your problem is just No 'Access-Control-Allow-Origin' header is present on the response you're getting, you can set up a CORS proxy to get around this. Way more info on it in the linked answer

The 2nd parameter of http.post is the body of the message, ie the payload and not the url search parameters. Pass data in that parameter.

From the documentation

post(url: string, body: any, options?: RequestOptionsArgs) : Observable<Response>

public post(cmd: string, data: object): Observable<any> {

    const params = new URLSearchParams();
    params.set('cmd', cmd);

    const options = new RequestOptions({
      headers: this.getAuthorizedHeaders(),
      responseType: ResponseContentType.Json,
      params: params,
      withCredentials: false
    });

    console.log('Options: ' + JSON.stringify(options));

    return this.http.post(this.BASE_URL, data, options)
      .map(this.handleData)
      .catch(this.handleError);
  }

Edit

You should also check out the 1st parameter (BASE_URL). It must contain the complete url (minus query string) that you want to reach. I mention in due to the name you gave it and I can only guess what the value currently is (maybe just the domain?).

Also there is no need to call JSON.stringify on the data/payload that is sent in the http body.

If you still can't reach your end point look in the browser's network activity in the development console to see what is being sent. You can then further determine if the correct end point is being called wit the correct header and body. If it appears that is correct then use POSTMAN or Fiddler or something similar to see if you can hit your endpoint that way (outside of Angular).

Here's how I fixed it:

1. Opened the Install Cerificates.Command.The shell script got executed.
2. Opened the Python 3.6.5 and typed in nltk.download().The download graphic window opened and all the packages got installed.

If you think a 64-bit DIV instruction is a good way to divide by two, then no wonder the compiler's asm output beat your hand-written code, even with -O0 (compile fast, no extra optimization, and store/reload to memory after/before every C statement so a debugger can modify variables).

See Agner Fog's Optimizing Assembly guide to learn how to write efficient asm. He also has instruction tables and a microarch guide for specific details for specific CPUs. See also the x86 tag wiki for more perf links.

See also this more general question about beating the compiler with hand-written asm: Is inline assembly language slower than native C++ code?. TL:DR: yes if you do it wrong (like this question).

Usually you're fine letting the compiler do its thing, especially if you try to write C++ that can compile efficiently. Also see is assembly faster than compiled languages?. One of the answers links to these neat slides showing how various C compilers optimize some really simple functions with cool tricks. Matt Godbolt's CppCon2017 talk “What Has My Compiler Done for Me Lately? Unbolting the Compiler's Lid” is in a similar vein.

even:
    mov rbx, 2
    xor rdx, rdx
    div rbx

On Intel Haswell, div r64 is 36 uops, with a latency of 32-96 cycles, and a throughput of one per 21-74 cycles. (Plus the 2 uops to set up RBX and zero RDX, but out-of-order execution can run those early). High-uop-count instructions like DIV are microcoded, which can also cause front-end bottlenecks. In this case, latency is the most relevant factor because it's part of a loop-carried dependency chain.

shr rax, 1 does the same unsigned division: It's 1 uop, with 1c latency, and can run 2 per clock cycle.

For comparison, 32-bit division is faster, but still horrible vs. shifts. idiv r32 is 9 uops, 22-29c latency, and one per 8-11c throughput on Haswell.

As you can see from looking at gcc's -O0 asm output (Godbolt compiler explorer), it only uses shifts instructions. clang -O0 does compile naively like you thought, even using 64-bit IDIV twice. (When optimizing, compilers do use both outputs of IDIV when the source does a division and modulus with the same operands, if they use IDIV at all)

GCC doesn't have a totally-naive mode; it always transforms through GIMPLE, which means some "optimizations" can't be disabled. This includes recognizing division-by-constant and using shifts (power of 2) or a fixed-point multiplicative inverse (non power of 2) to avoid IDIV (see div_by_13 in the above godbolt link).

gcc -Os (optimize for size) does use IDIV for non-power-of-2 division, unfortunately even in cases where the multiplicative inverse code is only slightly larger but much faster.

Helping the compiler

(summary for this case: use uint64_t n)

First of all, it's only interesting to look at optimized compiler output. (-O3). -O0 speed is basically meaningless.

Look at your asm output (on Godbolt, or see How to remove "noise" from GCC/clang assembly output?). When the compiler doesn't make optimal code in the first place: Writing your C/C++ source in a way that guides the compiler into making better code is usually the best approach. You have to know asm, and know what's efficient, but you apply this knowledge indirectly. Compilers are also a good source of ideas: sometimes clang will do something cool, and you can hand-hold gcc into doing the same thing: see this answer and what I did with the non-unrolled loop in @Veedrac's code below.)

This approach is portable, and in 20 years some future compiler can compile it to whatever is efficient on future hardware (x86 or not), maybe using new ISA extension or auto-vectorizing. Hand-written x86-64 asm from 15 years ago would usually not be optimally tuned for Skylake. e.g. compare&branch macro-fusion didn't exist back then. What's optimal now for hand-crafted asm for one microarchitecture might not be optimal for other current and future CPUs. Comments on @johnfound's answer discuss major differences between AMD Bulldozer and Intel Haswell, which have a big effect on this code. But in theory, g++ -O3 -march=bdver3 and g++ -O3 -march=skylake will do the right thing. (Or -march=native.) Or -mtune=... to just tune, without using instructions that other CPUs might not support.

My feeling is that guiding the compiler to asm that's good for a current CPU you care about shouldn't be a problem for future compilers. They're hopefully better than current compilers at finding ways to transform code, and can find a way that works for future CPUs. Regardless, future x86 probably won't be terrible at anything that's good on current x86, and the future compiler will avoid any asm-specific pitfalls while implementing something like the data movement from your C source, if it doesn't see something better.

Hand-written asm is a black-box for the optimizer, so constant-propagation doesn't work when inlining makes an input a compile-time constant. Other optimizations are also affected. Read https://gcc.gnu.org/wiki/DontUseInlineAsm before using asm. (And avoid MSVC-style inline asm: inputs/outputs have to go through memory which adds overhead.)

In this case: your n has a signed type, and gcc uses the SAR/SHR/ADD sequence that gives the correct rounding. (IDIV and arithmetic-shift "round" differently for negative inputs, see the SAR insn set ref manual entry). (IDK if gcc tried and failed to prove that n can't be negative, or what. Signed-overflow is undefined behaviour, so it should have been able to.)

You should have used uint64_t n, so it can just SHR. And so it's portable to systems where long is only 32-bit (e.g. x86-64 Windows).

BTW, gcc's optimized asm output looks pretty good (using unsigned long n): the inner loop it inlines into main() does this:

 # from gcc5.4 -O3  plus my comments

 # edx= count=1
 # rax= uint64_t n

.L9:                   # do{
    lea    rcx, [rax+1+rax*2]   # rcx = 3*n + 1
    mov    rdi, rax
    shr    rdi         # rdi = n>>1;
    test   al, 1       # set flags based on n%2 (aka n&1)
    mov    rax, rcx
    cmove  rax, rdi    # n= (n%2) ? 3*n+1 : n/2;
    add    edx, 1      # ++count;
    cmp    rax, 1
    jne   .L9          #}while(n!=1)

  cmp/branch to update max and maxi, and then do the next n

The inner loop is branchless, and the critical path of the loop-carried dependency chain is:

• 3-component LEA (3 cycles)
• cmov (2 cycles on Haswell, 1c on Broadwell or later).

Total: 5 cycle per iteration, latency bottleneck. Out-of-order execution takes care of everything else in parallel with this (in theory: I haven't tested with perf counters to see if it really runs at 5c/iter).

The FLAGS input of cmov (produced by TEST) is faster to produce than the RAX input (from LEA->MOV), so it's not on the critical path.

Similarly, the MOV->SHR that produces CMOV's RDI input is off the critical path, because it's also faster than the LEA. MOV on IvyBridge and later has zero latency (handled at register-rename time). (It still takes a uop, and a slot in the pipeline, so it's not free, just zero latency). The extra MOV in the LEA dep chain is part of the bottleneck on other CPUs.

The cmp/jne is also not part of the critical path: it's not loop-carried, because control dependencies are handled with branch prediction + speculative execution, unlike data dependencies on the critical path.

Beating the compiler

GCC did a pretty good job here. It could save one code byte by using inc edx instead of add edx, 1, because nobody cares about P4 and its false-dependencies for partial-flag-modifying instructions.

It could also save all the MOV instructions, and the TEST: SHR sets CF= the bit shifted out, so we can use cmovc instead of test / cmovz.

 ### Hand-optimized version of what gcc does
.L9:                       #do{
    lea     rcx, [rax+1+rax*2] # rcx = 3*n + 1
    shr     rax, 1         # n>>=1;    CF = n&1 = n%2
    cmovc   rax, rcx       # n= (n&1) ? 3*n+1 : n/2;
    inc     edx            # ++count;
    cmp     rax, 1
    jne     .L9            #}while(n!=1)

See @johnfound's answer for another clever trick: remove the CMP by branching on SHR's flag result as well as using it for CMOV: zero only if n was 1 (or 0) to start with. (Fun fact: SHR with count != 1 on Nehalem or earlier causes a stall if you read the flag results. That's how they made it single-uop. The shift-by-1 special encoding is fine, though.)

Avoiding MOV doesn't help with the latency at all on Haswell (Can x86's MOV really be "free"? Why can't I reproduce this at all?). It does help significantly on CPUs like Intel pre-IvB, and AMD Bulldozer-family, where MOV is not zero-latency. The compiler's wasted MOV instructions do affect the critical path. BD's complex-LEA and CMOV are both lower latency (2c and 1c respectively), so it's a bigger fraction of the latency. Also, throughput bottlenecks become an issue, because it only has two integer ALU pipes. See @johnfound's answer, where he has timing results from an AMD CPU.

Even on Haswell, this version may help a bit by avoiding some occasional delays where a non-critical uop steals an execution port from one on the critical path, delaying execution by 1 cycle. (This is called a resource conflict). It also saves a register, which may help when doing multiple n values in parallel in an interleaved loop (see below).

LEA's latency depends on the addressing mode, on Intel SnB-family CPUs. 3c for 3 components ([base+idx+const], which takes two separate adds), but only 1c with 2 or fewer components (one add). Some CPUs (like Core2) do even a 3-component LEA in a single cycle, but SnB-family doesn't. Worse, Intel SnB-family standardizes latencies so there are no 2c uops, otherwise 3-component LEA would be only 2c like Bulldozer. (3-component LEA is slower on AMD as well, just not by as much).

So lea rcx, [rax + rax*2] / inc rcx is only 2c latency, faster than lea rcx, [rax + rax*2 + 1], on Intel SnB-family CPUs like Haswell. Break-even on BD, and worse on Core2. It does cost an extra uop, which normally isn't worth it to save 1c latency, but latency is the major bottleneck here and Haswell has a wide enough pipeline to handle the extra uop throughput.

Neither gcc, icc, nor clang (on godbolt) used SHR's CF output, always using an AND or TEST. Silly compilers. :P They're great pieces of complex machinery, but a clever human can often beat them on small-scale problems. (Given thousands to millions of times longer to think about it, of course! Compilers don't use exhaustive algorithms to search for every possible way to do things, because that would take too long when optimizing a lot of inlined code, which is what they do best. They also don't model the pipeline in the target microarchitecture, at least not in the same detail as IACA or other static-analysis tools; they just use some heuristics.)

Simple loop unrolling won't help; this loop bottlenecks on the latency of a loop-carried dependency chain, not on loop overhead / throughput. This means it would do well with hyperthreading (or any other kind of SMT), since the CPU has lots of time to interleave instructions from two threads. This would mean parallelizing the loop in main, but that's fine because each thread can just check a range of n values and produce a pair of integers as a result.

Interleaving by hand within a single thread might be viable, too. Maybe compute the sequence for a pair of numbers in parallel, since each one only takes a couple registers, and they can all update the same max / maxi. This creates more instruction-level parallelism.

The trick is deciding whether to wait until all the n values have reached 1 before getting another pair of starting n values, or whether to break out and get a new start point for just one that reached the end condition, without touching the registers for the other sequence. Probably it's best to keep each chain working on useful data, otherwise you'd have to conditionally increment its counter.

You could maybe even do this with SSE packed-compare stuff to conditionally increment the counter for vector elements where n hadn't reached 1 yet. And then to hide the even longer latency of a SIMD conditional-increment implementation, you'd need to keep more vectors of n values up in the air. Maybe only worth with 256b vector (4x uint64_t).

I think the best strategy to make detection of a 1 "sticky" is to mask the vector of all-ones that you add to increment the counter. So after you've seen a 1 in an element, the increment-vector will have a zero, and +=0 is a no-op.

Untested idea for manual vectorization

# starting with YMM0 = [ n_d, n_c, n_b, n_a ]  (64-bit elements)
# ymm4 = _mm256_set1_epi64x(1):  increment vector
# ymm5 = all-zeros:  count vector

.inner_loop:
    vpaddq    ymm1, ymm0, xmm0
    vpaddq    ymm1, ymm1, xmm0
    vpaddq    ymm1, ymm1, set1_epi64(1)     # ymm1= 3*n + 1.  Maybe could do this more efficiently?

    vprllq    ymm3, ymm0, 63                # shift bit 1 to the sign bit

    vpsrlq    ymm0, ymm0, 1                 # n /= 2

    # FP blend between integer insns may cost extra bypass latency, but integer blends don't have 1 bit controlling a whole qword.
    vpblendvpd ymm0, ymm0, ymm1, ymm3       # variable blend controlled by the sign bit of each 64-bit element.  I might have the source operands backwards, I always have to look this up.

    # ymm0 = updated n  in each element.

    vpcmpeqq ymm1, ymm0, set1_epi64(1)
    vpandn   ymm4, ymm1, ymm4         # zero out elements of ymm4 where the compare was true

    vpaddq   ymm5, ymm5, ymm4         # count++ in elements where n has never been == 1

    vptest   ymm4, ymm4
    jnz  .inner_loop
    # Fall through when all the n values have reached 1 at some point, and our increment vector is all-zero

    vextracti128 ymm0, ymm5, 1
    vpmaxq .... crap this doesn't exist
    # Actually just delay doing a horizontal max until the very very end.  But you need some way to record max and maxi.

You can and should implement this with intrinsics instead of hand-written asm.

Algorithmic / implementation improvement:

Besides just implementing the same logic with more efficient asm, look for ways to simplify the logic, or avoid redundant work. e.g. memoize to detect common endings to sequences. Or even better, look at 8 trailing bits at once (gnasher's answer)

@EOF points out that tzcnt (or bsf) could be used to do multiple n/=2 iterations in one step. That's probably better than SIMD vectorizing; no SSE or AVX instruction can do that. It's still compatible with doing multiple scalar ns in parallel in different integer registers, though.

So the loop might look like this:

goto loop_entry;  // C++ structured like the asm, for illustration only
do {
   n = n*3 + 1;
  loop_entry:
   shift = _tzcnt_u64(n);
   n >>= shift;
   count += shift;
} while(n != 1);

This may do significantly fewer iterations, but variable-count shifts are slow on Intel SnB-family CPUs without BMI2. 3 uops, 2c latency. (They have an input dependency on the FLAGS because count=0 means the flags are unmodified. They handle this as a data dependency, and take multiple uops because a uop can only have 2 inputs (pre-HSW/BDW anyway)). This is the kind that people complaining about x86's crazy-CISC design are referring to. It makes x86 CPUs slower than they would be if the ISA was designed from scratch today, even in a mostly-similar way. (i.e. this is part of the "x86 tax" that costs speed / power.) SHRX/SHLX/SARX (BMI2) are a big win (1 uop / 1c latency).

It also puts tzcnt (3c on Haswell and later) on the critical path, so it significantly lengthens the total latency of the loop-carried dependency chain. It does remove any need for a CMOV, or for preparing a register holding n>>1, though. @Veedrac's answer overcomes all this by deferring the tzcnt/shift for multiple iterations, which is highly effective (see below).

We can safely use BSF or TZCNT interchangeably, because n can never be zero at that point. TZCNT's machine-code decodes as BSF on CPUs that don't support BMI1. (Meaningless prefixes are ignored, so REP BSF runs as BSF).

TZCNT performs much better than BSF on AMD CPUs that support it, so it can be a good idea to use REP BSF, even if you don't care about setting ZF if the input is zero rather than the output. Some compilers do this when you use __builtin_ctzll even with -mno-bmi.

They perform the same on Intel CPUs, so just save the byte if that's all that matters. TZCNT on Intel (pre-Skylake) still has a false-dependency on the supposedly write-only output operand, just like BSF, to support the undocumented behaviour that BSF with input = 0 leaves its destination unmodified. So you need to work around that unless optimizing only for Skylake, so there's nothing to gain from the extra REP byte. (Intel often goes above and beyond what the x86 ISA manual requires, to avoid breaking widely-used code that depends on something it shouldn't, or that is retroactively disallowed. e.g. Windows 9x's assumes no speculative prefetching of TLB entries, which was safe when the code was written, before Intel updated the TLB management rules.)

Anyway, LZCNT/TZCNT on Haswell have the same false dep as POPCNT: see this Q&A. This is why in gcc's asm output for @Veedrac's code, you see it breaking the dep chain with xor-zeroing on the register it's about to use as TZCNT's destination when it doesn't use dst=src. Since TZCNT/LZCNT/POPCNT never leave their destination undefined or unmodified, this false dependency on the output on Intel CPUs is a performance bug / limitation. Presumably it's worth some transistors / power to have them behave like other uops that go to the same execution unit. The only perf upside is interaction with another uarch limitation: they can micro-fuse a memory operand with an indexed addressing mode on Haswell, but on Skylake where Intel removed the false dep for LZCNT/TZCNT they "un-laminate" indexed addressing modes while POPCNT can still micro-fuse any addr mode.

Improvements to ideas / code from other answers:

@hidefromkgb's answer has a nice observation that you're guaranteed to be able to do one right shift after a 3n+1. You can compute this more even more efficiently than just leaving out the checks between steps. The asm implementation in that answer is broken, though (it depends on OF, which is undefined after SHRD with a count > 1), and slow: ROR rdi,2 is faster than SHRD rdi,rdi,2, and using two CMOV instructions on the critical path is slower than an extra TEST that can run in parallel.

I put tidied / improved C (which guides the compiler to produce better asm), and tested+working faster asm (in comments below the C) up on Godbolt: see the link in @hidefromkgb's answer. (This answer hit the 30k char limit from the large Godbolt URLs, but shortlinks can rot and were too long for goo.gl anyway.)

Also improved the output-printing to convert to a string and make one write() instead of writing one char at a time. This minimizes impact on timing the whole program with perf stat ./collatz (to record performance counters), and I de-obfuscated some of the non-critical asm.

@Veedrac's code

I got a minor speedup from right-shifting as much as we know needs doing, and checking to continue the loop. From 7.5s for limit=1e8 down to 7.275s, on Core2Duo (Merom), with an unroll factor of 16.

code + comments on Godbolt. Don't use this version with clang; it does something silly with the defer-loop. Using a tmp counter k and then adding it to count later changes what clang does, but that slightly hurts gcc.

See discussion in comments: Veedrac's code is excellent on CPUs with BMI1 (i.e. not Celeron/Pentium)

I solved mine by updating spring dependencies versions from 2.0.4 to 2.1.6

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.4.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
</parent>

to

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
</parent>

  var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_config["Jwt:Key"]));
  var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
  var claims = new[]
  {
      new Claim(JwtRegisteredClaimNames.Email, model.UserName),
      new Claim(JwtRegisteredClaimNames.NameId, model.Id.ToString()),
  };
  var token = new JwtSecurityToken(_config["Jwt:Issuer"],
      _config["Jwt:Issuer"],
      claims,
      expires: DateTime.Now.AddMinutes(30),
      signingCredentials: creds);

Then extract content

 var handler = new JwtSecurityTokenHandler();
 string authHeader = Request.Headers["Authorization"];
 authHeader = authHeader.Replace("Bearer ", "");
 var jsonToken = handler.ReadToken(authHeader);
 var tokenS = handler.ReadToken(authHeader) as JwtSecurityToken;
 var id = tokenS.Claims.First(claim => claim.Type == "nameid").Value;

You have to disable the sandbox for Groovy in your job configuration.

Currently this is not possible for multibranch projects where the groovy script comes from the scm. For more information see https://issues.jenkins-ci.org/browse/JENKINS-28178

Just make all users who log in subscribe to a specific topic, and then send a notification to that topic.

I had a semicolon at the end, and gave me this error.

403 - means I know who you are but you are not authorized to do what you asking.

In my case, the problem was in a Policy - I didn't choose an object when specified the Policy in Visual Editor

If you are trying to loop over a NodeList like this:

const allParagraphs = document.querySelectorAll("p");

I highly recommend loop it this way:

Array.prototype.forEach.call(allParagraphs , function(el) {
    // Write your code here
})

Personally, I've tried several ways but most of them didn't work as I wanted to loop over a NodeList, but this one works like a charm, give it a try!

The NodeList isn't an Array, but we treat it as an Array, using Array. So, you need to know that it is not supported in older browsers!

Need more information about NodeList? Please read its documentation on MDN.

Short answer

The Bearer authentication scheme is what you are looking for.

Long answer

Is it related to bears?

Errr... No :)

According to the Oxford Dictionaries, here's the definition of bearer:

bearer _^/'b??r?/
noun

1. A person or thing that carries or holds something.

2. A person who presents a cheque or other order to pay money.

The first definition includes the following synonyms: messenger, agent, conveyor, emissary, carrier, provider.

And here's the definition of bearer token according to the RFC 6750:

1.2. Terminology

Bearer Token

A security token with the property that any party in possession of the token (a "bearer") can use the token in any way that any other party in possession of it can. Using a bearer token does not require a bearer to prove possession of cryptographic key material (proof-of-possession).

The Bearer authentication scheme is registered in IANA and originally defined in the RFC 6750 for the OAuth 2.0 authorization framework, but nothing stops you from using the Bearer scheme for access tokens in applications that don't use OAuth 2.0.

Stick to the standards as much as you can and don't create your own authentication schemes.

An access token must be sent in the Authorization request header using the Bearer authentication scheme:

2.1. Authorization Request Header Field

When sending the access token in the Authorization request header field defined by HTTP/1.1, the client uses the Bearer authentication scheme to transmit the access token.

For example:

GET /resource HTTP/1.1
Host: server.example.com
Authorization: Bearer mF_9.B5f-4.1JqM

[...]

Clients SHOULD make authenticated requests with a bearer token using the Authorization request header field with the Bearer HTTP authorization scheme. [...]

In case of invalid or missing token, the Bearer scheme should be included in the WWW-Authenticate response header:

3. The WWW-Authenticate Response Header Field

If the protected resource request does not include authentication credentials or does not contain an access token that enables access to the protected resource, the resource server MUST include the HTTP WWW-Authenticate response header field [...].

All challenges defined by this specification MUST use the auth-scheme value Bearer. This scheme MUST be followed by one or more auth-param values. [...].

For example, in response to a protected resource request without authentication:

HTTP/1.1 401 Unauthorized
WWW-Authenticate: Bearer realm="example"

And in response to a protected resource request with an authentication attempt using an expired access token:

HTTP/1.1 401 Unauthorized
WWW-Authenticate: Bearer realm="example",
                         error="invalid_token",
                         error_description="The access token expired"

use this code:

<iframe width="600" height="450" frameborder="0" style="border:0" src="https://www.google.com/maps/embed/v1/place?q=place_id:ChIJ5Rw5v9dCXz4R3SUtcL5ZLMk&key=..." allowfullscreen></iframe>

What is the secret key

The secret key is combined with the header and the payload to create a unique hash. You are only able to verify this hash if you have the secret key.

How to generate the key

You can choose a good, long password. Or you can generate it from a site like this.

Example (but don't use this one now):

8Zz5tw0Ionm3XPZZfN0NOml3z9FMfmpgXwovR9fp6ryDIoGRM8EPHAB6iHsc0fb

To answer the question How to delete specific columns in vba for excel. I use Array as below.

sub del_col()

dim myarray as variant
dim i as integer

myarray = Array(10, 9, 8)'Descending to Ascending
For i = LBound(myarray) To UBound(myarray)
    ActiveSheet.Columns(myarray(i)).EntireColumn.Delete
Next i

end sub

as header

AUTH=$(echo -ne "$BASIC_AUTH_USER:$BASIC_AUTH_PASSWORD" | base64 --wrap 0)

curl \
  --header "Content-Type: application/json" \
  --header "Authorization: Basic $AUTH" \
  --request POST \
  --data  '{"key1":"value1", "key2":"value2"}' \
  https://example.com/

I was receiving the same error. You need to go increase the column length while importing the data for particular column. Choose a data source >> Advanced >> increase the column from default 50 to 200 or more.

It worked for me!

Ok - for me the source of the problem was in serialisation/deserialisation. The object that was being sent and received was as follows where the code is submitted and the code and maskedPhoneNumber is returned.

@ApiObject(description = "What the object is for.")
@JsonIgnoreProperties(ignoreUnknown = true)
public class CodeVerification {

    @ApiObjectField(description = "The code which is to be verified.")
    @NotBlank(message = "mandatory")
    private final String code;

    @ApiObjectField(description = "The masked mobile phone number to which the code was verfied against.")
    private final String maskedMobileNumber;

    public codeVerification(@JsonProperty("code") String code, String maskedMobileNumber) {
        this.code = code;
        this.maskedMobileNumber = maskedMobileNumber;
    }

    public String getcode() {
        return code;
    }

    public String getMaskedMobileNumber() {
        return maskedMobileNumber;
    }
}

The problem was that I didn't have a JsonProperty defined for the maskedMobileNumber in the constructor. i.e. Constructor should have been

public codeVerification(@JsonProperty("code") String code, @JsonProperty("maskedMobileNumber") String maskedMobileNumber) {
    this.code = code;
    this.maskedMobileNumber = maskedMobileNumber;
}

For the Swift way of doing things, you can try and make use of the tools available in the Swift Standard Library. These should work on any platform that is able to run Swift.

Instead of floor(), round() and the rest of the rounding routines you can use rounded(_:):

let x = 6.5

// Equivalent to the C 'round' function:
print(x.rounded(.toNearestOrAwayFromZero))
// Prints "7.0"

// Equivalent to the C 'trunc' function:
print(x.rounded(.towardZero))
// Prints "6.0"

// Equivalent to the C 'ceil' function:
print(x.rounded(.up))
// Prints "7.0"

// Equivalent to the C 'floor' function:
print(x.rounded(.down))
// Prints "6.0"

These are currently available on Float and Double and it should be easy enough to convert to a CGFloat for example.

Instead of sqrt() there's the squareRoot() method on the FloatingPoint protocol. Again, both Float and Double conform to the FloatingPoint protocol:

let x = 4.0
let y = x.squareRoot()

For the trigonometric functions, the standard library can't help, so you're best off importing Darwin on the Apple platforms or Glibc on Linux. Fingers-crossed they'll be a neater way in the future.

#if os(OSX) || os(iOS)
import Darwin
#elseif os(Linux)
import Glibc
#endif

let x = 1.571
print(sin(x))
// Prints "~1.0"

In my case, my problem was environmental. Meaning, I did something wrong in my bash session. After attempting nearly everything in this thread, I opened a new bash session and everything was back to normal.

The path is a list of directories where the command prompt will look for executable files, if it can't find it in the current directory. The OP seems to be trying to add the actual executable, when it just needs to specify the path where the executable is.

Generally and simply it works like this:

<script>_x000D_
            $(document).ready(function () {_x000D_
                $('i').click(function () {_x000D_
                    $(this).toggleClass('fa-plus-square fa-minus-square');_x000D_
                });_x000D_
            });_x000D_
</script>

Assuming this is what the HTML looks like

<div class="form-group required">
   <label class="col-md-2 control-label">E-mail</label>
   <div class="col-md-4"><input class="form-control" id="id_email" name="email" placeholder="E-mail" required="required" title="" type="email" /></div>
</div>

To display an asterisk on the right of the label:

.form-group.required .control-label:after { 
    color: #d00;
    content: "*";
    position: absolute;
    margin-left: 8px;
    top:7px;
}

Or to the left of the label:

.form-group.required .control-label:before{
   color: red;
   content: "*";
   position: absolute;
   margin-left: -15px;
}

To make a nice big red asterisks you can add these lines:

font-family: 'Glyphicons Halflings';
font-weight: normal;
font-size: 14px;

Or if you are using Font Awesome add these lines (and change the content line):

font-family: 'FontAwesome';
font-weight: normal;
font-size: 14px;
content: "\f069";

In many cases, continuing to scrape data from a website even when the server is requesting you not to is unethical. However, in the cases where it isn't, you can utilize a list of public proxies in order to scrape a website with many different IP addresses.

Here's a fixed version of it: http://play.golang.org/p/w2ZcOzGHKR

The biggest fix that was needed is when Unmarshalling an array, that property needs to be an array/slice in the struct as well.

For example:

{ "things": ["a", "b", "c"] }

Would Unmarshal into a:

type Item struct {
    Things []string
}

And not into:

type Item struct {
    Things string
}

The other thing to watch out for when Unmarshaling is that the types line up exactly. It will fail when Unmarshalling a JSON string representation of a number into an int or float field -- "1" needs to Unmarshal into a string, not into an int like we saw with ShippingAdditionalCost int

Include the jQuery file first:

 <script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
 <script type="text/javascript" src="./javascript.js"></script>
    <script
        src="http://maps.googleapis.com/maps/api/js?key=AIzaSyCJnj2nWoM86eU8Bq2G4lSNz3udIkZT4YY&sensor=false">
    </script>

WunderBart's answer was the best for me. Note that you can speed it up a lot if your images are often the right way around, simply by testing the orientation first and bypassing the rest of the code if no rotation is required.

Putting all of the info from wunderbart together, something like this;

var handleTakePhoto = function () {
    let fileInput: HTMLInputElement = <HTMLInputElement>document.getElementById('photoInput');
    fileInput.addEventListener('change', (e: any) => handleInputUpdated(fileInput, e.target.files));
    fileInput.click();
}

var handleInputUpdated = function (fileInput: HTMLInputElement, fileList) {
    let file = null;

    if (fileList.length > 0 && fileList[0].type.match(/^image\//)) {
        isLoading(true);
        file = fileList[0];
        getOrientation(file, function (orientation) {
            if (orientation == 1) {
                imageBinary(URL.createObjectURL(file));
                isLoading(false);
            }
            else 
            {
                resetOrientation(URL.createObjectURL(file), orientation, function (resetBase64Image) {
                    imageBinary(resetBase64Image);
                    isLoading(false);
                });
            }
        });
    }

    fileInput.removeEventListener('change');
}


// from http://stackoverflow.com/a/32490603
export function getOrientation(file, callback) {
    var reader = new FileReader();

    reader.onload = function (event: any) {
        var view = new DataView(event.target.result);

        if (view.getUint16(0, false) != 0xFFD8) return callback(-2);

        var length = view.byteLength,
            offset = 2;

        while (offset < length) {
            var marker = view.getUint16(offset, false);
            offset += 2;

            if (marker == 0xFFE1) {
                if (view.getUint32(offset += 2, false) != 0x45786966) {
                    return callback(-1);
                }
                var little = view.getUint16(offset += 6, false) == 0x4949;
                offset += view.getUint32(offset + 4, little);
                var tags = view.getUint16(offset, little);
                offset += 2;

                for (var i = 0; i < tags; i++)
                    if (view.getUint16(offset + (i * 12), little) == 0x0112)
                        return callback(view.getUint16(offset + (i * 12) + 8, little));
            }
            else if ((marker & 0xFF00) != 0xFF00) break;
            else offset += view.getUint16(offset, false);
        }
        return callback(-1);
    };

    reader.readAsArrayBuffer(file.slice(0, 64 * 1024));
};

export function resetOrientation(srcBase64, srcOrientation, callback) {
    var img = new Image();

    img.onload = function () {
        var width = img.width,
            height = img.height,
            canvas = document.createElement('canvas'),
            ctx = canvas.getContext("2d");

        // set proper canvas dimensions before transform & export
        if (4 < srcOrientation && srcOrientation < 9) {
            canvas.width = height;
            canvas.height = width;
        } else {
            canvas.width = width;
            canvas.height = height;
        }

        // transform context before drawing image
        switch (srcOrientation) {
            case 2: ctx.transform(-1, 0, 0, 1, width, 0); break;
            case 3: ctx.transform(-1, 0, 0, -1, width, height); break;
            case 4: ctx.transform(1, 0, 0, -1, 0, height); break;
            case 5: ctx.transform(0, 1, 1, 0, 0, 0); break;
            case 6: ctx.transform(0, 1, -1, 0, height, 0); break;
            case 7: ctx.transform(0, -1, -1, 0, height, width); break;
            case 8: ctx.transform(0, -1, 1, 0, 0, width); break;
            default: break;
        }

        // draw image
        ctx.drawImage(img, 0, 0);

        // export base64
        callback(canvas.toDataURL());
    };

    img.src = srcBase64;
}

Here is a one-liner for ignoring the tar exit status if it is 1. There is no need to set +e as in sandeep's script. If the tar exit status is 0 or 1, this one-liner will return with exit status 0. Otherwise it will return with exit status 1. This is different from sandeep's script where the original exit status value is preserved if it is different from 1.

tar -czf sample.tar.gz dir1 dir2 || [[ $? -eq 1 ]]

October 2017

I would like to add another Bootstrap 4 solution. One that worked for me.

The CSS "Order" property, combined with a media query, can be used to re-order columns when they get stacked in smaller screens.

Something like this:

@media only screen and (max-width: 768px) {
    #first {
        order: 2;
    }
    #second {
        order: 4;
    }
    #third {
        order: 1;
    }
    #fourth {
        order: 3;
    }
}

CodePen Link: https://codepen.io/preston206/pen/EwrXqm

Adjust the screen size and you'll see the columns get stacked in a different order.

I'll tie this in with the original poster's question. With CSS, the navbar, sidebar, and content can be targeted and then order properties applied within a media query.

Click on the restore button. console.log will start to work.

Warning: This might inflate executable file size a little bit and cost a little runtime performance. IMO, this would be better if golang has such feature like macro or function decorator.

If you want to mock functions without changing its API, the easiest way is to change the implementation a little bit:

func getPage(url string) string {
  if GetPageMock != nil {
    return GetPageMock()
  }

  // getPage real implementation goes here!
}

func downloader() {
  if GetPageMock != nil {
    return GetPageMock()
  }

  // getPage real implementation goes here!
}

var GetPageMock func(url string) string = nil
var DownloaderMock func() = nil

This way we can actually mock one function out of the others. For more convenient we can provide such mocking boilerplate:

// download.go
func getPage(url string) string {
  if m.GetPageMock != nil {
    return m.GetPageMock()
  }

  // getPage real implementation goes here!
}

func downloader() {
  if m.GetPageMock != nil {
    return m.GetPageMock()
  }

  // getPage real implementation goes here!
}

type MockHandler struct {
  GetPage func(url string) string
  Downloader func()
}

var m *MockHandler = new(MockHandler)

func Mock(handler *MockHandler) {
  m = handler
}

In test file:

// download_test.go
func GetPageMock(url string) string {
  // ...
}

func TestDownloader(t *testing.T) {
  Mock(&MockHandler{
    GetPage: GetPageMock,
  })

  // Test implementation goes here!

  Mock(new(MockHandler)) // Reset mocked functions
}

not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib

The native lib is expected in one of the following locations

/usr/java/packages/lib/amd64
/usr/lib64
/lib64
/lib
/usr/lib

and not in

tomcat/lib

The files in tomcat/lib are all jar file and are added by tomcat to the classpath so that they are available to your application.

The native lib is needed by tomcat to perform better on the platform it is installed on and thus cannot be a jar, for linux it could be a .so file, for windows it could be a .dll file.

Just download the native library for your platform and place it in the one of the locations tomcat is expecting it to be.

Note that you are not required to have this lib for development/test purposes. Tomcat runs just fine without it.

org.apache.catalina.startup.Catalina start INFO: Server startup in 2882 ms

EDIT

The output you are getting is very normal, it's just some logging outputs from tomcat, the line right above indicates that the server correctly started and is ready for operating.

If you are troubling with running your servlet then after the run on sever command eclipse opens a browser window (embeded (default) or external, depends on your config). If nothing shows on the browser, then check the url bar of the browser to see whether your servlet was requested or not.

It should be something like that

http://localhost:8080/<your-context-name>/<your-servlet-name>

EDIT 2

Try to call your servlet using the following url

http://localhost:8080/com.filecounter/FileCounter

Also each web project has a web.xml, you can find it in your project under WebContent\WEB-INF.

It is better to configure your servlets there using servlet-name servlet-class and url-mapping. It could look like that:

  <servlet>
    <description></description>
    <display-name>File counter - My first servlet</display-name>
    <servlet-name>file_counter</servlet-name>
    <servlet-class>com.filecounter.FileCounter</servlet-class>
  </servlet>

  <servlet-mapping>
    <servlet-name>file_counter</servlet-name>
    <url-pattern>/FileFounter</url-pattern>
  </servlet-mapping>

In eclipse dynamic web project the default context name is the same as your project name.

http://localhost:8080/<your-context-name>/FileCounter

will work too.

Using the "point" leads to the creation of a folder named "point" (on Ubuntu 16).

tar -tf site1.bz2 -C /var/www/site1/ .

I dealt with this in more detail and prepared an example. Multi-line recording, plus an exception.

tar -tf site1.bz2\
    -C /var/www/site1/ style.css\
    -C /var/www/site1/ index.html\
    -C /var/www/site1/ page2.html\
    -C /var/www/site1/ page3.html\
    --exclude=images/*.zip\
    -C /var/www/site1/ images/
    -C /var/www/site1/ subdir/
/

It seems some what center of the screen. So I would like to do like this

body { 
     background: url('http://oi44.tinypic.com/33tjudk.jpg') no-repeat center center fixed;    
     background-size:cover; 
     text-align: 0 auto; // Make the play button horizontal center
}

#play_button {
    position:absolute;  // absolutely positioned
    transition: .5s ease;
    top: 50%;  // Makes vertical center
} 

I fixed a similar error by adding the json dataType like so:

$.ajax({
    type: "POST",
    url: "someUrl",
    dataType: "json",
    data: {
        varname1 : "varvalue1",
        varname2 : "varvalue2"
    },
    success: function (data) {
        $.each(data, function (varname, varvalue){
            ...
        });  
    }
});

And in my controller I had to use double quotes around any strings like so (note: they have to be escaped in java):

@RequestMapping(value = "/someUrl", method=RequestMethod.POST)
@ResponseBody
public String getJsonData(@RequestBody String parameters) {
    // parameters = varname1=varvalue1&varname2=varvalue2
    String exampleData = "{\"somename1\":\"somevalue1\",\"somename2\":\"somevalue2\"}";
    return exampleData;
}

So, you could try using double quotes around your numbers if they are being used as strings (and remove that last comma):

[{"id":"50","name":"SEO"},{"id":"22","name":"LPO"}]

Add an additional div around all container divs you want the drop shadow to encapsulate. Add the classes drop-shadow and container to the additional div. The class .container will keep the fluidity. Use the class .drop-shadow (or whatever you like) to add the box-shadow property. Then target the .drop-shadow div and negate the unwanted styles .container adds--such as left & right padding.

Example: http://jsfiddle.net/SHLu4/2/

It'll be something like:

<div class="container drop-shadow">
    <div class="container">
        <div class="row">
            <div class="col-md-8">Main Area</div>
            <div class="col-md-4">Side Area</div>
        </div>
    </div>
</div>

And your CSS:

<style>
    .drop-shadow {
        -webkit-box-shadow: 0 0 5px 2px rgba(0, 0, 0, .5);
        box-shadow: 0 0 5px 2px rgba(0, 0, 0, .5);
    }
    .container.drop-shadow {
        padding-left:0;
        padding-right:0;
    }
</style>

send an output parameter like

@newId int output

at the end use

    select @newId = Scope_Identity() 

     return @newId 

Previous answer doesn't work for me :( But it's OK like that :)

         $data = json_decode(
              iconv(
                  mb_detect_encoding($data, mb_detect_order(), true),
                  'CP1252',
                  json_encode($data)
                )
              , true)

<embed src="your.pdf" type="application/pdf#view=FitH" width="actual-width.px" height="actual-height.px"></embed>

Check this link for all PDF Parameters: https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/pdf_open_parameters.pdf#page=7

Chrome has its own PDF reader & all parameter don't work on chrome. Mozilla is worst for handling PDFs.

Please try that:

<script>
$(document).ready(function(){
    var add = '<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td>';
                add+= '<input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" />&nbsp;&nbsp;&nbsp;';
                add+= '<input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" />&nbsp;';
                add+= '<a href="javascript:void(0);" class="remCF">Remove</a></td></tr>';

    $(".addCF").click(function(){ $("#customFields").append(add); });

    $("#customFields").on('click','.remCF',function(){
        var inx = $('.remCF').index(this);
        $('tr').eq(inx+1).remove();
    });
});
</script>

Overriding maven-javadoc-plugin configuration only, does not fix the problem with mvn site (used e.g during the release stage). Here's what I had to do:

<profile>
  <id>doclint-java8-disable</id>
  <activation>
    <jdk>[1.8,)</jdk>
  </activation>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-javadoc-plugin</artifactId>
        <configuration>
          <additionalparam>-Xdoclint:none</additionalparam>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-site-plugin</artifactId>
        <version>3.3</version>
        <configuration>
          <reportPlugins>
            <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-javadoc-plugin</artifactId>
              <configuration>
                <additionalparam>-Xdoclint:none</additionalparam>
              </configuration>
            </plugin>
          </reportPlugins>
        </configuration>
      </plugin>
    </plugins>
  </build>
</profile>

A "connection refused" error happens when you attempt to open a TCP connection to an IP address / port where there is nothing currently listening for connections. If nothing is listening, the OS on the server side "refuses" the connection.

If this is happening intermittently, then the most likely explanations are (IMO):

• the server you are talking ("proxy.xyz.com" / port 60) to is going up and down, OR
• there is something¹ between your client and the proxy that is intermittently sending requests to a non-functioning host, or something.

Is this possible that this exception is caused when a search request is made from Android applications as our website don't support a request is being made from android applications.

It seems unlikely. You said that the "connection refused" exception message says that it is the proxy that is refusing the connection, not your server. Besides if a server was going to not handle certain kinds of request, it still has to accept the TCP connection to find out what the request is ... before it can reject it.

^{1 - For example, it could be a DNS that round-robin resolves the DNS name to different IP addresses. Or it could be an IP-based load balancer.}

Server

import java.net.*;
import java.io.*;
import java.util.*;
import javax.net.ssl.*;
import javax.net.*;
class Test{
  public static void main(String[] args){
    try{
      SSLContext context = SSLContext.getInstance("TLSv1.2");
      context.init(null,null,null);
      SSLServerSocketFactory serverSocketFactory = context.getServerSocketFactory();
      SSLServerSocket server = (SSLServerSocket)serverSocketFactory.createServerSocket(1024);
      server.setEnabledCipherSuites(server.getSupportedCipherSuites());
      SSLSocket socket = (SSLSocket)server.accept();
      DataInputStream in = new DataInputStream(socket.getInputStream());
      DataOutputStream out = new DataOutputStream(socket.getOutputStream());
      System.out.println(in.readInt());
    }catch(Exception e){e.printStackTrace();}
  }
}

Client

import java.net.*;
import java.io.*;
import java.util.*;
import javax.net.ssl.*;
import javax.net.*;
class Test2{
  public static void main(String[] args){
    try{
      SSLContext context = SSLContext.getInstance("TLSv1.2");
      context.init(null,null,null);
      SSLSocketFactory socketFactory = context.getSocketFactory();
      SSLSocket socket = (SSLSocket)socketFactory.createSocket("localhost", 1024);
      socket.setEnabledCipherSuites(socket.getSupportedCipherSuites());
      DataInputStream in = new DataInputStream(socket.getInputStream());
      DataOutputStream out = new DataOutputStream(socket.getOutputStream());
      out.writeInt(1337);     
    }catch(Exception e){e.printStackTrace();}
  }
}

server.setEnabledCipherSuites(server.getSupportedCipherSuites()); socket.setEnabledCipherSuites(socket.getSupportedCipherSuites());

I suppose that have you noticed that your link is actually an HTTPS link.... It seems that CURL parameters do not include any kind of SSH handling... maybe this could be your problem. Why don't you try with a non-HTTPS link to see what happens (i.e Google Custom Search Engine)...?

One of the weird behaviour and spec in Javascript is the typeof Array is Object.

You can check if the variable is an array in couple of ways:

var isArr = data instanceof Array;
var isArr = Array.isArray(data);

But the most reliable way is:

isArr = Object.prototype.toString.call(data) == '[object Array]';

Since you tagged your question with jQuery, you can use jQuery isArray function:

var isArr = $.isArray(data);

You can use floating elements like so:

<div id="the whole thing" style="height:100%; width:100%; overflow: hidden;">
    <div id="leftThing" style="float: left; width:25%; background-color:blue;">Left Side Menu</div>
    <div id="content" style="float: left; width:50%; background-color:green;">Random Content</div>
    <div id="rightThing" style="float: left; width:25%; background-color:yellow;">Right Side Menu</div>
</div>

Note the overflow: hidden; on the parent container, this is to make the parent grow to have the same dimensions as the child elements (otherwise it will have a height of 0).

This has been discussed on SO multiple times. Here are a few links to get you started:

SO: Capturing image from webcam in java?

SO: What is the best method to capture images from a live video device for use by a Java-based application?

openCVF applet: http://www.colorfulwolf.com/blog/2011/07/05/accessing-the-webcam-from-inside-a-java-applet/

config: http://ganeshtiwaridotcomdotnp.blogspot.in/2011/12/opencv-javacv-eclipse-project.html

I use the following script to update the default alternative after install jdk.

#!/bin/bash
export JAVA_BIN_DIR=/usr/java/default/bin # replace with your installed directory
cd ${JAVA_BIN_DIR}
a=(java javac javadoc javah javap javaws)
for exe in ${a[@]}; do
    sudo update-alternatives --install "/usr/bin/${exe}" "${exe}" "${JAVA_BIN_DIR}/${exe}" 1
    sudo update-alternatives --set ${exe} ${JAVA_BIN_DIR}/${exe}
done

try this:

var c=document.getElementById("alpha");
var d=c.toDataURL("image/png");
var w=window.open('about:blank','image from canvas');
w.document.write("<img src='"+d+"' alt='from canvas'/>");

This shows image from canvas on new page, but if you have open popup in new tab setting it shows about:blank in address bar.

EDIT:- though window.open("<img src='"+ c.toDataURL('image/png') +"'/>") does not work in FF or Chrome, following works though rendering is somewhat different from what is shown on canvas, I think transparency is the issue:

window.open(c.toDataURL('image/png'));

The cor function will use the columns of the matrix in the calculation of correlation. So, the number of rows must be the same between your matrix x and matrix y. Ex.:

set.seed(1)
x <- matrix(rnorm(20), nrow=5, ncol=4)
y <- matrix(rnorm(15), nrow=5, ncol=3)
COR <- cor(x,y)
COR
image(x=seq(dim(x)[2]), y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column")
text(expand.grid(x=seq(dim(x)[2]), y=seq(dim(y)[2])), labels=round(c(COR),2))

Edit:

Here is an example of custom row and column labels on a correlation matrix calculated with a single matrix:

png("corplot.png", width=5, height=5, units="in", res=200)
op <- par(mar=c(6,6,1,1), ps=10)
COR <- cor(iris[,1:4])
image(x=seq(nrow(COR)), y=seq(ncol(COR)), z=cor(iris[,1:4]), axes=F, xlab="", ylab="")
text(expand.grid(x=seq(dim(COR)[1]), y=seq(dim(COR)[2])), labels=round(c(COR),2))
box()
axis(1, at=seq(nrow(COR)), labels = rownames(COR), las=2)
axis(2, at=seq(ncol(COR)), labels = colnames(COR), las=1)
par(op)
dev.off()

Try this:

// convert from bitmap to byte array
public byte[] getBytesFromBitmap(Bitmap bitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(CompressFormat.JPEG, 70, stream);
    return stream.toByteArray();
}

// get the base 64 string
String imgString = Base64.encodeToString(getBytesFromBitmap(someImg), 
                       Base64.NO_WRAP);

Static method is inherited in subclass but it is not polymorphism. When you writing the implementation of static method, the parent's class method is over hidden, not overridden. Think, if it is not inherited then how you can be able to access without classname.staticMethodname();?

I am using Ubuntu 11.10- 32 bit with ruby 1.9.3p194, rails 3.2.3, gem 1.8.24. Was receiving the same Javascript error while running "script/rails console".

However doing a "sudo apt-get install nodejs" solved my issue.

UPDATE: This no longer works in the current version, see below for correct answer (no need to vote down, this is correct on older versions).

Use the JsonTextReader class with a StreamReader or use the JsonSerializer overload that takes a StreamReader directly:

var serializer = new JsonSerializer();
serializer.Deserialize(streamReader);

You can change the listen port as per your requirement. This task can be accomplished in two diffrent ways. By changing config.xml file By changing in admin console Change the listen port in config.xml as per your requirement and bounce the domain. Admin Console Login to AdminConsole->Server->Configuration->ListenPort (Change it) Note: It is a bad practice to edit config.xml and try to edit in admin console(It's a good practise as well)

Just another way to fix this up on Heroku: Make sure your Rakefile is committed and pushed.

I hope you have pre-installed nodejs || nmv.

My solution does not require gem setup or installing 'node with sudo apt" when you already have nvm.

All you need is to edit DesctopEntry of RubyMine. for that we will have those small steps:

1. Go to usr/share/applications
2. Open in any editor (i use vim ) Rubymine DesktopEntry vim RubyMine
3. Edit line 6 (starts with Exec). You shoud add to beginning /bin/bash -i -c. So your line should look like this Exec=/bin/bash -i -c "/home/USERNAME/rubymine/RubyMine-2019.1.2/bin/rubymine.sh" %f
4. Done! You are glorious!

As a benefit all your environment variables are now available for RubyMine. So you feel no pain with additing them.

A solution from Hary https://stackoverflow.com/a/37797575/4252764 works very well. It's simpler, doesn't need so many special factory beans, and support multiple triggers and jobs. Would just add that Quartz job can be made to be generic, with specific jobs implemented as regular Spring beans.

public interface BeanJob {
  void executeBeanJob();
}

public class GenericJob implements Job {

  @Override
  public void execute(JobExecutionContext context) throws JobExecutionException {
    JobDataMap dataMap = context.getMergedJobDataMap();
    ((BeanJob)dataMap.get("beanJob")).executeBeanJob();    
  }

}

@Component
public class RealJob implements BeanJob {
  private SomeService service;

  @Autowired
  public RealJob(SomeService service) {
    this.service = service;
  }

  @Override
  public void executeBeanJob() {
      //do do job with service
  }

}

Use this commandline:

convert -geometry 3600x3600 -density 300x300 -quality 100 TEAM\ 4.pdf team4.png

This should correctly convert the file as you've asked for.

If you are debugging or similar - In chrome developer tools, you can simply use

$x('/html/.//div[@id="text"]')

Ubuntu Users

I'm on Ubuntu 11.04 and had similar issues. Installing Node.js fixed it.

As of Ubuntu 13.04 x64 you only need to run:

sudo apt-get install nodejs

This will solve the problem.

CentOS/RedHat Users

sudo yum install nodejs

use this:

adb logcat -s "TAGNAME"

What explanation do we attribute to the below

class BaseClass {

    public  void print() {
        System.out.println("In Parent Class , Print Method");
    }

    public static void display() {
        System.out.println("In Parent Class, Display Method");
    }

}


class DerivedClass extends BaseClass {

    public  void print() throws Exception {
        System.out.println("In Derived Class, Print Method");
    }

    public static void display() {
        System.out.println("In Derived Class, Display Method");
    }
}

Class DerivedClass.java throws a compile time exception when the print method throws a Exception , print () method of baseclass does not throw any exception

I am able to attribute this to the fact that Exception is narrower than RuntimeException , it can be either No Exception (Runtime error ), RuntimeException and their child exceptions

I have written code that sniffs IE4 or greater and is currently functioning perfectly in sites for my company's clients, as well as my own personal sites.

Include the following enumerated constant and function variables into a javascript include file on your page...

//methods
var BrowserTypes = {
    Unknown: 0,
    FireFox: 1,
    Chrome: 2,
    Safari: 3,
    IE: 4,
    IE7: 5,
    IE8: 6,
    IE9: 7,
    IE10: 8,
    IE11: 8,
    IE12: 8
};

var Browser = function () {
    try {
        //declares
        var type;
        var version;
        var sVersion;

        //process
        switch (navigator.appName.toLowerCase()) {
            case "microsoft internet explorer":
                type = BrowserTypes.IE;
                sVersion = navigator.appVersion.substring(navigator.appVersion.indexOf('MSIE') + 5, navigator.appVersion.length);
                version = parseFloat(sVersion.split(";")[0]);
                switch (parseInt(version)) {
                    case 7:
                        type = BrowserTypes.IE7;
                        break;
                    case 8:
                        type = BrowserTypes.IE8;
                        break;
                    case 9:
                        type = BrowserTypes.IE9;
                        break;
                    case 10:
                        type = BrowserTypes.IE10;
                        break;
                    case 11:
                        type = BrowserTypes.IE11;
                        break;
                    case 12:
                        type = BrowserTypes.IE12;
                        break;
                }
                break;
            case "netscape":
                if (navigator.userAgent.toLowerCase().indexOf("chrome") > -1) { type = BrowserTypes.Chrome; }
                else { if (navigator.userAgent.toLowerCase().indexOf("firefox") > -1) { type = BrowserTypes.FireFox } };
                break;
            default:
                type = BrowserTypes.Unknown;
                break;
        }

        //returns
        return type;
    } catch (ex) {
    }
};

Then all you have to do is use any conditional functionality such as...

ie. value = (Browser() >= BrowserTypes.IE) ? node.text : node.textContent;

or WindowWidth = (((Browser() >= BrowserTypes.IE9) || (Browser() < BrowserTypes.IE)) ? window.innerWidth : document.documentElement.clientWidth);

or sJSON = (Browser() >= BrowserTypes.IE) ? xmlElement.text : xmlElement.textContent;

Get the idea? Hope this helps.

Oh, you might want to keep it in mind to QA the Browser() function after IE10 is released, just to verify they didn't change the rules.

In my case I had duplicated a class file! Found it by using the bottom search field at the right side bar of Xcode, so to solve it remove reference of one of them

It's an inlined image (png), encoded in base64. It can make a page faster: the browser doesn't have to query the server for the image data separately, saving a round trip.

(It can also make it slower if abused: these resources are not cached, so the bytes are included in each page load.)

If you want to be able to choose from different solutions, in addition to the given answers...

An alternative method is to give the container a width of 0 and to make sure overflow is visible. Then each word will overflow out of it and will be on its own line.

div {_x000D_
  width: 0;_x000D_
  overflow: visible;_x000D_
}

<div>Short Word</div>_x000D_
<hr>_x000D_
<div>Gargantuan Word</div>

Or you can use one of those newly proposed width values, provided those still exist by the time you read this.

div {_x000D_
  width: min-intrinsic;       /* old Chrome, Safari */_x000D_
  width: -webkit-min-content; /* less old Chrome, Safari */_x000D_
  width: -moz-min-content;    /* current Firefox */_x000D_
  width: min-content;         /* current Chrome, Safari; not IE or Edge */_x000D_
}

<div>Short Word</div>_x000D_
<hr>_x000D_
<div>Gargantuan Word</div>

I use IReport to install font:

tools -> options -> fonts -> click install font

Then select the font and click

-> export as extension and type name myfont.jar

add this jar and also spring.jar^* to your build path.

^{*copy spring.jar from Jaspersoft\iReport-3.7.0\ireport\modules\ext}

Well, I assume you are not on Interactive Mode and you used this code to decode your string:

import base64
your_string = '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base64.b64decode(your_string)

Well first of all you need to assign the finished product to a variable to be able to be printed out:

code_string = base64.b64decode(your_string)

Then like any beginner programmer would know, you would print the results out: Python 2.7x:

print code_string

Python 3.x:

print(code_string)

After the successful decoding, you will get a string about the size of the not yet decoded string. I hope this helps you!

Simple regex if you have the full URL, keep it simple.

results = url.match("v=([a-zA-Z0-9]+)&?")
videoId = results[1] // watch you need.

DriverManager is a fairly old way of doing things. The better way is to get a DataSource, either by looking one up that your app server container already configured for you:

Context context = new InitialContext();
DataSource dataSource = (DataSource) context.lookup("java:comp/env/jdbc/myDB");

or instantiating and configuring one from your database driver directly:

MysqlDataSource dataSource = new MysqlDataSource();
dataSource.setUser("scott");
dataSource.setPassword("tiger");
dataSource.setServerName("myDBHost.example.org");

and then obtain connections from it, same as above:

Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT ID FROM USERS");
...
rs.close();
stmt.close();
conn.close();

Your code works for me. When does addSalespersonOption get called? There may be a problem with that call.

Also some of your html is a bit off (maybe copy/paste problem?), but that didn't seem to cause any problems. Your select should look like this:

<select id="salesperson"> 
    <option value="">(select)</option> 
</select>

instead of this:

<select id="salesperson" /> 
    <option value"">(select)</option> 
</select>

Edit: When does your options list get dynamically populated? Are you sure you are passing 'on' for the defSales value in your call to addSalespersonOption? Try changing that code to this:

if (selected == "on") { 
    alert('setting default selected option to ' + text);
    html = '<option value="'+value+'" selected="selected">'+text+'</option>'; 
} 

and see if the alert happens and what is says if it does happen.

Edit: Working example of my testing (the error:undefined is from jsbin, not my code).

WITH    q AS 
        (
        SELECT  *
        FROM    mytable
        WHERE   ParentID IS NULL -- this condition defines the ultimate ancestors in your chain, change it as appropriate
        UNION ALL
        SELECT  m.*
        FROM    mytable m
        JOIN    q
        ON      m.parentID = q.PersonID
        )
SELECT  *
FROM    q

By adding the ordering condition, you can preserve the tree order:

WITH    q AS 
        (
        SELECT  m.*, CAST(ROW_NUMBER() OVER (ORDER BY m.PersonId) AS VARCHAR(MAX)) COLLATE Latin1_General_BIN AS bc
        FROM    mytable m
        WHERE   ParentID IS NULL
        UNION ALL
        SELECT  m.*,  q.bc + '.' + CAST(ROW_NUMBER() OVER (PARTITION BY m.ParentID ORDER BY m.PersonID) AS VARCHAR(MAX)) COLLATE Latin1_General_BIN
        FROM    mytable m
        JOIN    q
        ON      m.parentID = q.PersonID
        )
SELECT  *
FROM    q
ORDER BY
        bc

By changing the ORDER BY condition you can change the ordering of the siblings.

Its boils down to this: math.h is from C and was created over 10 years ago. In math.h, due to its primitive nature, the abs() function is "essentially" just for integer types and if you wanted to get the absolute value of a double, you had to use fabs(). When C++ was created it took math.h and made it cmath. cmath is essentially math.h but improved for C++. It improved things like having to distinguish between fabs() and abs, and just made abs() for both doubles and integer types. In summary either: Use math.h and use abs() for integers, fabs() for doubles or use cmath and just have abs for everything (easier and recommended)

Hope this helps anyone who is having the same problem!

OUTDATED - see this answer for a simpler approach

To obtain readable x tick labels without additional dependencies, you want to use:

  ... +
  theme(axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5)) +
  ...

This rotates the tick labels 90° counterclockwise and aligns them vertically at their end (hjust = 1) and their centers horizontally with the corresponding tick mark (vjust = 0.5).

Full example:

library(ggplot2)
data(diamonds)
diamonds$cut <- paste("Super Dee-Duper",as.character(diamonds$cut))
q <- qplot(cut,carat,data=diamonds,geom="boxplot")
q + theme(axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5))

Note, that vertical/horizontal justification parameters vjust/hjust of element_text are relative to the text. Therefore, vjust is responsible for the horizontal alignment.

Without vjust = 0.5 it would look like this:

q + theme(axis.text.x = element_text(angle = 90, hjust = 1))

Without hjust = 1 it would look like this:

q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5))

If for some (wired) reason you wanted to rotate the tick labels 90° clockwise (such that they can be read from the left) you would need to use: q + theme(axis.text.x = element_text(angle = -90, vjust = 0.5, hjust = -1)).

All of this has already been discussed in the comments of this answer but I come back to this question so often, that I want an answer from which I can just copy without reading the comments.

Mario Gleichman describes how to use Java 1.5 generic functions to simulate Scala List literals, though sadly you wind up with immutable Lists.

He defines this class:

package literal;

public class collection {
    public static <T> List<T> List(T...elems){
        return Arrays.asList( elems );
    }
}

and uses it thusly:

import static literal.collection.List;
import static system.io.*;

public class CollectionDemo {
    public void demoList(){
        List<String> slist = List( "a", "b", "c" );
        List<Integer> iList = List( 1, 2, 3 );
        for( String elem : List( "a", "java", "list" ) )
            System.out.println( elem );
    }
}

Google Collections, now part of Guava supports a similar idea for list construction. In this interview, Jared Levy says:

[...] the most heavily-used features, which appear in almost every Java class I write, are static methods that reduce the number of repetitive keystrokes in your Java code. It's so convenient being able to enter commands like the following:

Map<OneClassWithALongName, AnotherClassWithALongName> = Maps.newHashMap();

List<String> animals = Lists.immutableList("cat", "dog", "horse");

7/10/2014: If only it could be as simple as Python's:

animals = ['cat', 'dog', 'horse']

2/21/2020: In Java 11 you can now say:

animals = List.of(“cat”, “dog”, “horse”)

you must be using update in your hbm2ddl property. make the changes and update it to Create so that it can create the table.

<property name="hbm2ddl.auto">create</property>

It worked for me.

If you want to filter only items that are less than 7 days old then you just use

Filter

• Created

• is greater than or equal to

• [Today]-7

Note - the screenshot is incorrect.

[Today] is fully supported in view filters in 2007 and onwards (just keep the spaces out!) and you only need to muck around with calculated columns in 2003.

• Dev-Env: VS 2012
• FX: 4.0/4.5
• Implementations: Master(ScriptManager + UpdatePanel/Timer) + Content (UpdatePanel)
• Patterns: PageRouting.

Disclaimer:

If all the web.config solutions do not work for you and you have implemented PageRouting (IIS 7+), then the code snippet below will solve your problems.

Background:

Dont mean to Highjack this question but had the same problem as everyone else and implemented 100% of the suggestions here, with minor modifications for .Net 4.0/4.5, and none of them worked for me.

In my situation i had implemented Page Routing which was ghosting my problem. Basically it would work for about 20, or so, debug runs and then BAM would error out with the Sys is undefined error.

After reviewing a couple other posts, that got to talking about the Clean-URL logic, i remembered that i had done PageRouting setup's.

Here is the resource i used to build my patterns: Page Routing

My one-liner code fixed my VS2012 Debugging problem:

rts.Ignore("{resource}.axd/{*pathInfo}")    'Ignores any Resource cache references, used heavily in AJAX interactions.

if your pods are empty

1. remove copy pods resources and check pods manifest.
2. lock from build phases settings of your project

Actually both do look somewhat similar but are quite different it depends on your usage or intention what you want to achieve ,

Where to use:

• use .html() to operate on containers having html elements.
• use .text() to modify text of elements usually having separate open and closing tags

Where not to use:

• .text() method cannot be used on form inputs or scripts.

  • .val() for input or textarea elements.
  • .html() for value of a script element.

• Picking up html content from .text() will convert the html tags into html entities.

Difference:

• .text() can be used in both XML and HTML documents.
• .html() is only for html documents.

Check this example on jsfiddle to see the differences in action

Example

do use the links above. If you run into error "This update is not applicable to your computer. " then make sure you are in fact using the right file for your os. for example i tried running windows 2012 server from that link on windows 7 service pack 1 and I got the above error so be sure to use the right zip. If you don't know which os you have then go to start and system and it should pop right up This should be self explanatory but

@echo off
cls
MD %homedrive%\TEMPBBDVD\
CLS
TIMEOUT /T 1 >NUL
CLS
systeminfo >%homedrive%\TEMPBBDVD\info.txt
cls
timeout /t 3 >nul
cls
find "x64-based PC" %homedrive%\TEMPBBDVD\info.txt >nul
if %errorlevel% equ 1 goto 32bitsok
goto 64bitsok
cls

:commandlineerror
cls
echo error, command failed or you not are using windows OS.
pause >nul
cls
exit

:64bitsok
cls
echo done, system of 64 bits
pause >nul
cls
del /q /f %homedrive%\TEMPBBDVD\info.txt >nul
cls
timeout /t 1 >nul
cls
RD %homedrive%\TEMPBBDVD\ >nul
cls
exit

:32bitsok
cls
echo done, system of 32 bits
pause >nul
cls
del /q /f %homedrive%\TEMPBBDVD\info.txt >nul
cls
timeout /t 1 >nul
cls
RD %homedrive%\TEMPBBDVD\ >nul
cls
exit

The term Duck Typing is a lie.

You see the idiom “If it walks like a duck and quacks like a duck then it is a duck." that is being repeated here time after time.

But that is not what duck typing (or what we commonly refer to as duck typing) is about. All that the Duck Typing we are discussing is about, is trying to force a command on something. Seeing whether something quacks or not, regardless of what it says it is. But there is no deduction about whether the object then is a Duck or not.

For true duck typing, see type classes. Now that follows the idiom “If it walks like a duck and quacks like a duck then it is a duck.". With type classes, if a type implements all the methods that are defined by a type class, it can be considered a member of that type class (without having to inherit the type class). So, if there is a type class Duck which defines certain methods (quack and walk-like-duck), anything that implements those same methods can be considered a Duck (without needing to inherit Duck).

It could be possible that the compiler translates Set(Integer) to Set(Object) in java byte code. If this is the case, Set(Integer) would be used only at compile phase for syntax checking.

Via css. Put this inside the <head> tag.

<style type="text/css" media="screen">

table{
border-collapse:collapse;
border:1px solid #FF0000;
}

table td{
border:1px solid #FF0000;
}
</style>

Try:

DECLARE @varbinaryField varbinary(max);
SET @varbinaryField = 0x21232F297A57A5A743894A0E4A801FC3;

SELECT CONVERT(varchar(max),@varbinaryField,2), 
@varbinaryField

UPDATED: For SQL Server 2008

Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)

LEGB Rule

• Local — Names assigned in any way within a function (def or lambda), and not declared global in that function

• Enclosing-function — Names assigned in the local scope of any and all statically enclosing functions (def or lambda), from inner to outer

• Global (module) — Names assigned at the top-level of a module file, or by executing a global statement in a def within the file

• Built-in (Python) — Names preassigned in the built-in names module: open, range, SyntaxError, etc

So, in the case of

code1
class Foo:
    code2
    def spam():
        code3
        for code4:
            code5
            x()

The for loop does not have its own namespace. In LEGB order, the scopes would be

• L: Local in def spam (in code3, code4, and code5)
• E: Any enclosing functions (if the whole example were in another def)
• G: Were there any x declared globally in the module (in code1)?
• B: Any builtin x in Python.

x will never be found in code2 (even in cases where you might expect it would, see Antti's answer or here).

Remove the width:100%; declarations.

Block elements should take up the whole available width by default.

You can use global like so:

global._ = require('underscore')

The zip() function in Python 3 returns an iterator. That is the reason why when you print test1 you get - <zip object at 0x1007a06c8>. From documentation -

Make an iterator that aggregates elements from each of the iterables.

But once you do - list(test1) - you have exhausted the iterator. So after that anytime you do list(test1) would only result in empty list.

In case of test2, you have already created the list once, test2 is a list, and hence it will always be that list.

Close Code 1006 is a special code that means the connection was closed abnormally (locally) by the browser implementation.

If your browser client reports close code 1006, then you should be looking at the websocket.onerror(evt) event for details.

However, Chrome will rarely report any close code 1006 reasons to the Javascript side. This is likely due to client security rules in the WebSocket spec to prevent abusing WebSocket. (such as using it to scan for open ports on a destination server, or for generating lots of connections for a denial-of-service attack).

Note that Chrome will often report a close code 1006 if there is an error during the HTTP Upgrade to Websocket (this is the step before a WebSocket is technically "connected"). For reasons such as bad authentication or authorization, or bad protocol use (such as requesting a subprotocol, but the server itself doesn't support that same subprotocol), or even an attempt at talking to a server location that isn't a WebSocket (such as attempting to connect to ws://images.google.com/)

Fundamentally, if you see a close code 1006, you have a very low level error with WebSocket itself (similar to "Unable to Open File" or "Socket Error"), not really meant for the user, as it points to a low level issue with your code and implementation. Fix your low level issues, and then when you are connected, you can then include more reasonable error codes. You can accomplish this in terms of scope or severity in your project. Example: info and warning level are part of your project's specific protocol, and don't cause the connection to terminate. With severe or fatal messages reporting also using your project's protocol to convey as much detail as you want, and then closing the connection using the limited abilities of the WebSocket close flow.

Be aware that WebSocket close codes are very strictly defined, and the close reason phrase/message cannot exceed 123 characters in length (this is an intentional WebSocket limitation).

But not all is lost, if you are just wanting this information for debugging reasons, the detail of the closure, and its underlying reason is often reported with a fair amount of detail in Chrome's Javascript console.

Since iOS 8 you can use NSCalendar.dateByAddingUnit

Example in Swift 1.x:

let today = NSDate()
let tomorrow = NSCalendar.currentCalendar()
    .dateByAddingUnit(
         .CalendarUnitDay, 
         value: 1, 
         toDate: today, 
         options: NSCalendarOptions(0)
    )

Swift 2.0:

let today = NSDate()
let tomorrow = NSCalendar.currentCalendar()
    .dateByAddingUnit(
        .Day, 
        value: 1, 
        toDate: today, 
        options: []
    )

Swift 3.0:

let today = Date()
let tomorrow = Calendar.current.date(byAdding: .day, value: 1, to: today)

Two Method

• using homebrew auto install:
  • Steps:
    • brew install gradle
  • Pros and cons
    • Pros: easy
    • Cons: (probably) not latest version
• manually install (for latest version):
  • Pros and cons
    • Pros: use your expected any (or latest) version
    • Cons: need self to do it
  • Steps
    • download latest version binary (gradle-6.0.1) from Gradle | Releases
    • unzip it (gradle-6.0.1-all.zip) and added gradle path into environment variable PATH
      • normally is edit and add following config into your startup script( ~/.bashrc or ~/.zshrc etc.):

export GRADLE_HOME=/path_to_your_gradle/gradle-6.0.1
export PATH=$GRADLE_HOME/bin:$PATH

some other basic note

Q: How to make PATH take effect immediately?

A: use source:

source ~/.bashrc

it will make/execute your .bashrc, so make PATH become your expected latest values, which include your added gradle path.

Q: How to check PATH is really take effect/working now?

A: use echo to see your added path in indeed in your PATH

?  ~ echo $PATH
xxx:/Users/crifan/dev/dev_tool/java/gradle/gradle-6.0.1/bin:xxx

you can see we added /Users/crifan/dev/dev_tool/java/gradle/gradle-6.0.1/bin into your PATH

Q: How to verify gradle is installed correctly on my Mac ?

A: use which to make sure can find gradle

?  ~ which gradle
/Users/crifan/dev/dev_tool/java/gradle/gradle-6.0.1/bin/gradle

AND to check and see gradle version

?  ~ gradle --version

------------------------------------------------------------
Gradle 6.0.1
------------------------------------------------------------

Build time:   2019-11-18 20:25:01 UTC
Revision:     fad121066a68c4701acd362daf4287a7c309a0f5

Kotlin:       1.3.50
Groovy:       2.5.8
Ant:          Apache Ant(TM) version 1.10.7 compiled on September 1 2019
JVM:          1.8.0_112 (Oracle Corporation 25.112-b16)
OS:           Mac OS X 10.14.6 x86_64

this means the (latest) gradle is correctly installed on your mac ^_^.

for more detail please refer my (Chinese) post ?????mac???maven

I found this question while googling for a way to auto-format phone numbers via a jQuery plugin. The accepted answer was not ideal for my needs and a lot has happened in the 6 years since it was originally posted. I eventually found the solution and am documenting it here for posterity.

Problem

I would like my phone number html input field to auto-format (mask) the value as the user types.

Solution

Check out Cleave.js. It is a very powerful/flexible and easy way to solve this problem, and many other data masking issues.

Formatting a phone number is as easy as:

var cleave = new Cleave('.input-element', {
    phone: true,
    phoneRegionCode: 'US'
});

It is not possible yet to search for content using multiple tags, for now only single tags are supported.

Firstly, the Instagram API endpoint "tags" required OAuth authentication.

This is not quite true, you only need an API-Key. Just register an application and add it to your requests. Example:

https://api.instagram.com/v1/users/userIdYouWantToGetMediaFrom/media/recent?client_id=yourAPIKey

Also note that the username is not the user-id. You can look up user-Id`s here.

A workaround for searching multiple keywords would be if you start one request for each tag and compare the results on your server. Of course this could slow down your site depending on how much keywords you want to compare.

Well I'm 99% percent positive that you cannot just go and change the background color of a UIButton. Instead you have to go and change the background images yourself which I think is a pain. I'm amazed that I had to do this.

If I'm wrong or if theres a better way without having to set background images please let me know

[random setBackgroundImage:[UIImage imageNamed:@"toggleoff.png"] forState:UIControlStateNormal];
    [random setTitleColor:[UIColor darkTextColor] forState:UIControlStateNormal];


[random setBackgroundImage:[UIImage imageNamed:@"toggleon.png"] forState:UIControlStateNormal];
    [random setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

I have same problem.

I fixed by android sdk tool version downgrade.

The steps.

1. Delete android sdk "tools" folder : [Your Android SDK root]/tools -> tools

2. Download SDK Tools: http://dl-ssl.google.com/android/repository/tools_r25.2.5-windows.zip

3. Extract that to Android SDK root

4. Build your project

Simply you can create a function in a js file and export it for usages in components

like below:

export default function setTitle(title) {
  if (typeof title !== "string") {
     throw new Error("Title should be an string");
  }
  document.title = title;
}

and use it in any component like this:

import React, { Component } from 'react';
import setTitle from './setTitle.js' // no need to js extension at the end

class App extends Component {
  componentDidMount() {
    setTitle("i am a new title");
  }

  render() {
    return (
      <div>
        see the title
      </div>
    );
  }
}

export default App

In my case new File() doesn't work, it causes a FileNotFoundException when run in a Jenkins pipeline job. The following code solved this, and is even easier in my opinion:

def fileContents = readFile "path/to/file"

I still don't understand this difference completely, but maybe it'll help anyone else with the same trouble. Possibly the exception was caused because new File() creates a file on the system which executes the groovy code, which was a different system than the one that contains the file I wanted to read.

The last part of the error message you quoted states: ...with ("checkPermission") or explicitly handle a potential "SecurityException"

A much quicker/simpler way of checking if you have permissions is to surround your code with try { ... } catch (SecurityException e) { [insert error handling code here] }. If you have permissions, the 'try' part will execute, if you don't, the 'catch' part will.

The logic is wrong. Consider this:

x = ["a","b","c"]
x[0]     // "a"
x["0"]   // "a"
0 in x   // true
"0" in x // true
x.hasOwnProperty(0)   // true
x.hasOwnProperty("0") // true

There is no reason to loop to check for key (or indices for arrays) existence. Now, values are a different story...

Happy coding

If you are trying to have linked drop downs, the best way to do it is to have a script that returns the a prebuilt select box and an AJAX call that requests it.

Here is the documentation for jQuery's Ajax method if you need it.

$(document).ready(function(){

    $('#countrylist').change(function(e){
        $this = $(e.target);
        $.ajax({
            type: "POST",
            url: "scriptname.asp", // Don't know asp/asp.net at all so you will have to do this bit
            data: { country: $this.val() },
            success:function(data){
                $('#stateBoxHook').html(data);
            }
        });
    });

});

Then have a span around your state select box with the id of "stateBoxHook"

As pointed out in other answers, the idea is usually to define an axes for the colorbar to reside in. There are various ways of doing so; one that hasn't been mentionned yet would be to directly specify the colorbar axes at subplot creation with plt.subplots(). The advantage is that the axes position does not need to be manually set and in all cases with automatic aspect the colorbar will be exactly the same height as the subplots. Even in many cases where images are used the result will be satisfying as shown below.

When using plt.subplots(), the use of gridspec_kw argument allows to make the colorbar axes much smaller than the other axes.

fig, (ax, ax2, cax) = plt.subplots(ncols=3,figsize=(5.5,3), 
                  gridspec_kw={"width_ratios":[1,1, 0.05]})

Example:

import matplotlib.pyplot as plt
import numpy as np; np.random.seed(1)

fig, (ax, ax2, cax) = plt.subplots(ncols=3,figsize=(5.5,3), 
                  gridspec_kw={"width_ratios":[1,1, 0.05]})
fig.subplots_adjust(wspace=0.3)
im  = ax.imshow(np.random.rand(11,8), vmin=0, vmax=1)
im2 = ax2.imshow(np.random.rand(11,8), vmin=0, vmax=1)
ax.set_ylabel("y label")

fig.colorbar(im, cax=cax)

plt.show()

This works well, if the plots' aspect is autoscaled or the images are shrunk due to their aspect in the width direction (as in the above). If, however, the images are wider then high, the result would look as follows, which might be undesired.

A solution to fix the colorbar height to the subplot height would be to use mpl_toolkits.axes_grid1.inset_locator.InsetPosition to set the colorbar axes relative to the image subplot axes.

import matplotlib.pyplot as plt
import numpy as np; np.random.seed(1)
from mpl_toolkits.axes_grid1.inset_locator import InsetPosition

fig, (ax, ax2, cax) = plt.subplots(ncols=3,figsize=(7,3), 
                  gridspec_kw={"width_ratios":[1,1, 0.05]})
fig.subplots_adjust(wspace=0.3)
im  = ax.imshow(np.random.rand(11,16), vmin=0, vmax=1)
im2 = ax2.imshow(np.random.rand(11,16), vmin=0, vmax=1)
ax.set_ylabel("y label")

ip = InsetPosition(ax2, [1.05,0,0.05,1]) 
cax.set_axes_locator(ip)

fig.colorbar(im, cax=cax, ax=[ax,ax2])

plt.show()

Here is another example on how to use HttpClient to upload a multipart/form-data.

It uploads a file to a REST API and includes the file itself (e.g. a JPG) and additional API parameters. The file is directly uploaded from local disk via FileStream.

See here for the full example including additional API specific logic.

public static async Task UploadFileAsync(string token, string path, string channels)
{
    // we need to send a request with multipart/form-data
    var multiForm = new MultipartFormDataContent();

    // add API method parameters
    multiForm.Add(new StringContent(token), "token");
    multiForm.Add(new StringContent(channels), "channels");

    // add file and directly upload it
    FileStream fs = File.OpenRead(path);
    multiForm.Add(new StreamContent(fs), "file", Path.GetFileName(path));

    // send request to API
    var url = "https://slack.com/api/files.upload";
    var response = await client.PostAsync(url, multiForm);
}

After some trials, knowing that I had all the factors stated in this thread and other threads properly configured, I still got this error in Android Studio.

Even after installing externally, it seems Android Studio could not discover that HAXM is already installed, unless it gets to install it itself.

As a solution that worked for me, under User\AppData\Local\Android\sdk\extras\intel\Hardware_Accelerated_Execution_Manager which android has downloaded when attempting to install HAXM, click the installer and uninstall the software, then re-try from Android Studio to install it, it should work now.

The mandelbrot set is generated by repeatedly evaluating a function until it overflows (some defined limit), then checking how long it took you to overflow.

Pseudocode:

MAX_COUNT = 64 // if we haven't escaped to infinity after 64 iterations, 
               // then we're inside the mandelbrot set!!!

foreach (x-pixel)
  foreach (y-pixel)
    calculate x,y as mathematical coordinates from your pixel coordinates
    value = (x, y)
    count = 0
    while value.absolutevalue < 1 billion and count < MAX_COUNT
        value = value * value + (x, y)
        count = count + 1

    // the following should really be one statement, but I split it for clarity
    if count == MAX_COUNT 
        pixel_at (x-pixel, y-pixel) = BLACK
    else 
        pixel_at (x-pixel, y-pixel) = colors[count] // some color map. 

Notes:

value is a complex number. a complex number (a+bi) is squared to give (aa-b*b+2*abi). You'll have to use a complex type, or include that calculation in your loop.

You don't have to use key attribute all the time. Make sure the mapping file properly addressed the key

this.HasKey(t => t.Key);
this.ToTable("PacketHistory");
this.Property(p => p.Key)
            .HasColumnName("PacketHistorySK");

and don't forget to add the mapping in the Repository's OnModelCreating

modelBuilder.Configurations.Add(new PacketHistoryMap());

You can also patern :

DF[DF.col.str.contains(pat = '(foo)', regex = True) ]

To increase size of your figure N times you need to insert this just before your pl.show():

N = 2
params = pl.gcf()
plSize = params.get_size_inches()
params.set_size_inches( (plSize[0]*N, plSize[1]*N) )

It also works well with ipython notebook.

In my case I was missing the curly braces. I had @Value("foo.bar") String value instead of the correct form @Value("${foo.bar}") String value

unsigned int
randr(unsigned int min, unsigned int max)
{
       double scaled = (double)rand()/RAND_MAX;

       return (max - min +1)*scaled + min;
}

See here for other options.

you can done this way also.

if (dateFormat(first, "yyyy-mm-dd") > dateFormat(second, "yyyy-mm-dd")) {
        console.log("done");
}

OR

if (dateFormat(first, "mm-dd-yyyy") >  dateFormat(second, "mm-dd-yyyy")) {
        console.log("done");
}

i use following plugin for dateFormat()

        var dateFormat = function () {
        var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
            timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
            timezoneClip = /[^-+\dA-Z]/g,
            pad = function (val, len) {
                val = String(val);
                len = len || 2;
                while (val.length < len) val = "0" + val;
                return val;
            };

        // Regexes and supporting functions are cached through closure
        return function (date, mask, utc) {
            var dF = dateFormat;

            // You can't provide utc if you skip other args (use the "UTC:" mask prefix)
            if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
                mask = date;
                date = undefined;
            }

            // Passing date through Date applies Date.parse, if necessary
            date = date ? new Date(date) : new Date;
            if (isNaN(date)) throw SyntaxError("invalid date");

            mask = String(dF.masks[mask] || mask || dF.masks["default"]);

            // Allow setting the utc argument via the mask
            if (mask.slice(0, 4) == "UTC:") {
                mask = mask.slice(4);
                utc = true;
            }

            var _ = utc ? "getUTC" : "get",
                d = date[_ + "Date"](),
                D = date[_ + "Day"](),
                m = date[_ + "Month"](),
                y = date[_ + "FullYear"](),
                H = date[_ + "Hours"](),
                M = date[_ + "Minutes"](),
                s = date[_ + "Seconds"](),
                L = date[_ + "Milliseconds"](),
                o = utc ? 0 : date.getTimezoneOffset(),
                flags = {
                    d:    d,
                    dd:   pad(d),
                    ddd:  dF.i18n.dayNames[D],
                    dddd: dF.i18n.dayNames[D + 7],
                    m:    m + 1,
                    mm:   pad(m + 1),
                    mmm:  dF.i18n.monthNames[m],
                    mmmm: dF.i18n.monthNames[m + 12],
                    yy:   String(y).slice(2),
                    yyyy: y,
                    h:    H % 12 || 12,
                    hh:   pad(H % 12 || 12),
                    H:    H,
                    HH:   pad(H),
                    M:    M,
                    MM:   pad(M),
                    s:    s,
                    ss:   pad(s),
                    l:    pad(L, 3),
                    L:    pad(L > 99 ? Math.round(L / 10) : L),
                    t:    H < 12 ? "a"  : "p",
                    tt:   H < 12 ? "am" : "pm",
                    T:    H < 12 ? "A"  : "P",
                    TT:   H < 12 ? "AM" : "PM",
                    Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
                    o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
                    S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
                };

            return mask.replace(token, function ($0) {
                return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
            });
        };
    }();

    // Some common format strings
    dateFormat.masks = {
        "default":      "ddd mmm dd yyyy HH:MM:ss",
        shortDate:      "m/d/yy",
        mediumDate:     "mmm d, yyyy",
        longDate:       "mmmm d, yyyy",
        fullDate:       "dddd, mmmm d, yyyy",
        shortTime:      "h:MM TT",
        mediumTime:     "h:MM:ss TT",
        longTime:       "h:MM:ss TT Z",
        isoDate:        "yyyy-mm-dd",
        isoTime:        "HH:MM:ss",
        isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
        isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
    };

    // Internationalization strings
    dateFormat.i18n = {
        dayNames: [
            "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
            "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
        ],
        monthNames: [
            "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
            "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
        ]
    };

    // For convenience...
    Date.prototype.format = function (mask, utc) {
        return dateFormat(this, mask, utc);
    };

This worked for me on Eclipse IDE for C/C++ Developers Version: 2020-03 (4.15.0) Build id: 20200313-1211. Also, my code is cross-compiled.

1. Create a new project making sure it's created as a cross-compiled solution. You have to add the /usr/bin directory that matches your cross-compiler location.
2. Add the C and C++ headers for the cross-compiler in the Project Properties.
3. For C: Project > Properties > C/C++ General > Paths and Symbols > Includes > GNU C. Add... -> The path to your /usr/include directory from your cross-compiler.
4. For C++: Project > Properties > C/C++ General > Paths and Symbols > Includes > GNU C++. Add... -> The path to your /usr/include/c++/ directory from your cross-compiler.

5. If you don't know your gcc version, type this in a console (make sure it's your cross gcc binary):

   gcc -v

6. Modify the dialect for the cross-compilers (this was the trick).

7. For C: Project > Properties > C/C++ Build > Settings > Tool Settings > Cross GCC Compiler > Dialect. Set to ISO C99 (-std=C99) or whatever fits your C files standard.
8. For C++: Project > Properties > C/C++ Build > Settings > Tool Settings > Cross G++ Compiler > Dialect. Set to ISO C++14 (-std=c++14) or whatever fits your C++ files standard.
9. If needed, re-index all your project by right-clicking the project > Index > Rebuild.

Use These two lines to your EditText

android:imeActionLabel="Done"
android:singleLine="true"

or you can achieve it Programmatically by this line.

editText.setImeOptions(EditorInfo.IME_ACTION_DONE);

Another important point

JAX-WS represents SOAP

JAX-RS represents REST

How to choose between JAX-RS and JAX-WS web services implementation?

Thanks to @nekno and @ale84 for great answers.

However, I modified @ale84's script it little to increment build numbers for floating point.

the value of incl can be changed according to your floating format requirements. For eg: if incl = .01, output format would be ... 1.19, 1.20, 1.21 ...

buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "$INFOPLIST_FILE")
incl=.01
buildNumber=`echo $buildNumber + $incl|bc`
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $buildNumber" "$INFOPLIST_FILE"

The observe function below will allow you to listen to elements via a selector.

In the following example, after 2 seconds have passed, a .greeting will be inserted into the .container. Since we are listening to the insertion of this element, we can have a callback that triggers upon insertion.

const observe = (selector, callback, targetNode = document.body) =>
  new MutationObserver(mutations => [...mutations]
    .flatMap((mutation) => [...mutation.addedNodes])
    .filter((node) => node.matches && node.matches(selector))
    .forEach(callback))
  .observe(targetNode, { childList: true, subtree: true });

const createGreeting = () => {
  const el = document.createElement('DIV');
  el.textContent = 'Hello World';
  el.classList.add('greeting');
  return el;
};

const container = document.querySelector('.container');

observe('.greeting', el => console.log('I have arrived!', el), container);

new Promise(res => setTimeout(() => res(createGreeting()), 2000))
  .then(el => container.appendChild(el));

html, body { width: 100%; height: 100%; margin: 0; padding: 0; }
body { display: flex; }
.container { display: flex; flex: 1; align-items: center; justify-content: center; }
.greeting { font-weight: bold; font-size: 2em; }

<div class="container"></div>

There is no way to recursively search through the classpath. You need to know the Full pathname of a resource to be able to retrieve it in this way. The resource may be in a directory in the file system or in a jar file so it is not as simple as performing a directory listing of "the classpath". You will need to provide the full path of the resource e.g. '/com/mypath/bla.xml'.

For your second question, getResource will return the first resource that matches the given resource name. The order that the class path is searched is given in the javadoc for getResource.

I think you got it a bit wrong. Someone in the thread you pasted says that you can stop anti-aliasing by using px instead of pt, not that you can force it by using the latter. I'm a bit sceptical to both of the claims though...

If you are willing to make use of C++11 std::async and std::future for running your tasks, then you can utilize the wait_for function of std::future to check if the thread is still running in a neat way like this:

#include <future>
#include <thread>
#include <chrono>
#include <iostream>

int main() {
    using namespace std::chrono_literals;

    /* Run some task on new thread. The launch policy std::launch::async
       makes sure that the task is run asynchronously on a new thread. */
    auto future = std::async(std::launch::async, [] {
        std::this_thread::sleep_for(3s);
        return 8;
    });

    // Use wait_for() with zero milliseconds to check thread status.
    auto status = future.wait_for(0ms);

    // Print status.
    if (status == std::future_status::ready) {
        std::cout << "Thread finished" << std::endl;
    } else {
        std::cout << "Thread still running" << std::endl;
    }

    auto result = future.get(); // Get result.
}

If you must use std::thread then you can use std::promise to get a future object:

#include <future>
#include <thread>
#include <chrono>
#include <iostream>

int main() {
    using namespace std::chrono_literals;

    // Create a promise and get its future.
    std::promise<bool> p;
    auto future = p.get_future();

    // Run some task on a new thread.
    std::thread t([&p] {
        std::this_thread::sleep_for(3s);
        p.set_value(true); // Is done atomically.
    });

    // Get thread status using wait_for as before.
    auto status = future.wait_for(0ms);

    // Print status.
    if (status == std::future_status::ready) {
        std::cout << "Thread finished" << std::endl;
    } else {
        std::cout << "Thread still running" << std::endl;
    }

    t.join(); // Join thread.
}

Both of these examples will output:

Thread still running

This is of course because the thread status is checked before the task is finished.

But then again, it might be simpler to just do it like others have already mentioned:

#include <thread>
#include <atomic>
#include <chrono>
#include <iostream>

int main() {
    using namespace std::chrono_literals;

    std::atomic<bool> done(false); // Use an atomic flag.

    /* Run some task on a new thread.
       Make sure to set the done flag to true when finished. */
    std::thread t([&done] {
        std::this_thread::sleep_for(3s);
        done = true;
    });

    // Print status.
    if (done) {
        std::cout << "Thread finished" << std::endl;
    } else {
        std::cout << "Thread still running" << std::endl;
    }

    t.join(); // Join thread.
}

Edit:

There's also the std::packaged_task for use with std::thread for a cleaner solution than using std::promise:

#include <future>
#include <thread>
#include <chrono>
#include <iostream>

int main() {
    using namespace std::chrono_literals;

    // Create a packaged_task using some task and get its future.
    std::packaged_task<void()> task([] {
        std::this_thread::sleep_for(3s);
    });
    auto future = task.get_future();

    // Run task on new thread.
    std::thread t(std::move(task));

    // Get thread status using wait_for as before.
    auto status = future.wait_for(0ms);

    // Print status.
    if (status == std::future_status::ready) {
        // ...
    }

    t.join(); // Join thread.
}

A shorter alternative to the previously mentioned stash approach would be:

Temporarily move the changes to a stash.

1. git stash

Create and switch to a new branch and then pop the stash to it in just one step.

2. git stash branch new_branch_name

Then just add and commit the changes to this new branch.

I would recommend at least Eclipse Indigo (v 3.7) for Android Development because even though a minimum of Helios (v 3.6) is required for ADT 22.0.1 as explained here...

http://developer.android.com/tools/sdk/eclipse-adt.html

... Indigo is required for Android NDK development using CDT, as explained here:

http://tools.android.com/recent/usingthendkplugin

I think the implementation below fill the bill quite gracefully.

'''singly linked lists, by Yingjie Lan, December 1st, 2011'''

class linkst:
    '''Singly linked list, with pythonic features.
The list has pointers to both the first and the last node.'''
    __slots__ = ['data', 'next'] #memory efficient
    def __init__(self, iterable=(), data=None, next=None):
        '''Provide an iterable to make a singly linked list.
Set iterable to None to make a data node for internal use.'''
        if iterable is not None: 
            self.data, self.next = self, None
            self.extend(iterable)
        else: #a common node
            self.data, self.next = data, next

    def empty(self):
        '''test if the list is empty'''
        return self.next is None

    def append(self, data):
        '''append to the end of list.'''
        last = self.data
        self.data = last.next = linkst(None, data)
        #self.data = last.next

    def insert(self, data, index=0):
        '''insert data before index.
Raise IndexError if index is out of range'''
        curr, cat = self, 0
        while cat < index and curr:
            curr, cat = curr.next, cat+1
        if index<0 or not curr:
            raise IndexError(index)
        new = linkst(None, data, curr.next)
        if curr.next is None: self.data = new
        curr.next = new

    def reverse(self):
        '''reverse the order of list in place'''
        current, prev = self.next, None
        while current: #what if list is empty?
            next = current.next
            current.next = prev
            prev, current = current, next
        if self.next: self.data = self.next
        self.next = prev

    def delete(self, index=0):
        '''remvoe the item at index from the list'''
        curr, cat = self, 0
        while cat < index and curr.next:
            curr, cat = curr.next, cat+1
        if index<0 or not curr.next:
            raise IndexError(index)
        curr.next = curr.next.next
        if curr.next is None: #tail
            self.data = curr #current == self?

    def remove(self, data):
        '''remove first occurrence of data.
Raises ValueError if the data is not present.'''
        current = self
        while current.next: #node to be examined
            if data == current.next.data: break
            current = current.next #move on
        else: raise ValueError(data)
        current.next = current.next.next
        if current.next is None: #tail
            self.data = current #current == self?

    def __contains__(self, data):
        '''membership test using keyword 'in'.'''
        current = self.next
        while current:
            if data == current.data:
                return True
            current = current.next
        return False

    def __iter__(self):
        '''iterate through list by for-statements.
return an iterator that must define the __next__ method.'''
        itr = linkst()
        itr.next = self.next
        return itr #invariance: itr.data == itr

    def __next__(self):
        '''the for-statement depends on this method
to provide items one by one in the list.
return the next data, and move on.'''
        #the invariance is checked so that a linked list
        #will not be mistakenly iterated over
        if self.data is not self or self.next is None:
            raise StopIteration()
        next = self.next
        self.next = next.next
        return next.data

    def __repr__(self):
        '''string representation of the list'''
        return 'linkst(%r)'%list(self)

    def __str__(self):
        '''converting the list to a string'''
        return '->'.join(str(i) for i in self)

    #note: this is NOT the class lab! see file linked.py.
    def extend(self, iterable):
        '''takes an iterable, and append all items in the iterable
to the end of the list self.'''
        last = self.data
        for i in iterable:
            last.next = linkst(None, i)
            last = last.next
        self.data = last

    def index(self, data):
        '''TODO: return first index of data in the list self.
    Raises ValueError if the value is not present.'''
        #must not convert self to a tuple or any other containers
        current, idx = self.next, 0
        while current:
            if current.data == data: return idx
            current, idx = current.next, idx+1
        raise ValueError(data)

if you inherited this code, it could be that the dependencies and versions were locked and you have a ./npm-shrinkwrap.json file.

if your dependency is not listed in that file, it will never get installed with the npm install command.

you will need to manually install the packages and then run npm shrinkwrap to update the shrinkwrap file.

There is a RecyclerView subclass named HorizontalGridView you can use it to have horizontal direction. VerticalGridView for vertical direction

In short I would say no, the juice is not worth the squeeze to test a service method with a single line that retrieves model data. In my experience people who are new to TDD want to test absolutely everything. The old chestnut of abstracting a facade to a 3rd party framework just so you can create a mock of that frameworks API with which you bastardise/extend so that you can inject dummy data is of little value in my mind. Everyone has a different view of how much unit testing is best. I tend to be more pragmatic these days and ask myself if my test is really adding value to the end product, and at what cost.

$ sudo ln -s -f $(which python3) $(which python)

done.

you can simply do this.

TextBox.CheckForIllegalCrossThreadCalls = false;

if (this.DialogResult == DialogResult.Cancel)
        {

        }
        else
        {
            switch (e.CloseReason)
            {
                case CloseReason.UserClosing:
                    e.Cancel = true;
                    break;
            }
        }

if condition will execute when user clicks 'X' or close button on form. The else can be used when user clicks Alt+f4 for any other purpose

As of the time of answering this, Eclipse Version: 2020-06 (4.16.0) has a File --> Import --> Gradle --> Existing gradle project menu option.You can use this option to import gradle project into Eclipse directly.

Building on @shabunc's answer, this would allow enforcing either the key or the value — or both — to be anything you want to enforce.

type IdentifierKeys = 'my.valid.key.1' | 'my.valid.key.2';
type IdentifierValues = 'my.valid.value.1' | 'my.valid.value.2';

let stuff = new Map<IdentifierKeys, IdentifierValues>();

Should also work using enum instead of a type definition.

Using Google as the SSL proxy is not working currently,

Why?

If you opened any page from google, you will find there is a x-frame-options field in the header.

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe> or <object>. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

(Quote from MDN)

One of the solution

Below is my work around for this problem:

Upload the content to AWS S3, and it will create a https link for the resource.
Notice: set the permission to the html file for allowing everyone view it.

After that, we can using it as the src of iframe in the https websites.

You can use dd to extract arbitrary chunks of bytes.

For example,

dd skip=1234 count=5 bs=1

would copy bytes 1235 to 1239 from its input to its output, and discard the rest.

To just get the first five bytes from standard input, do:

dd count=5 bs=1

Note that, if you want to specify the input file name, dd has old-fashioned argument parsing, so you would do:

dd count=5 bs=1 if=filename

Note also that dd verbosely announces what it did, so to toss that away, do:

dd count=5 bs=1 2>&-

or

dd count=5 bs=1 2>/dev/null

Simple but slow C++ backtracking algorithm.

#include <iostream>

void backtrack(int* numbers, int n, int k, int i, int s)
{
    if (i == k)
    {
        for (int j = 0; j < k; ++j)
        {
            std::cout << numbers[j];
        }
        std::cout << std::endl;

        return;
    }

    if (s > n)
    {
        return;
    }

    numbers[i] = s;
    backtrack(numbers, n, k, i + 1, s + 1);
    backtrack(numbers, n, k, i, s + 1);
}

int main(int argc, char* argv[])
{
    int n = 5;
    int k = 3;

    int* numbers = new int[k];

    backtrack(numbers, n, k, 0, 1);

    delete[] numbers;

    return 0;
}

const is not supported by ECMAScript. So after you specify strict mode, you get syntax error. You need to use var instead of const if you want your code to be compatible with all browsers. I know, not the ideal solution, but it is what it is. There are ways to create read-only properties in JavaScript (see Can Read-Only Properties be Implemented in Pure JavaScript?) but I think it might be overkill depending on your scenario.

Below is browser compatibility note from MDN:

Browser compatibility

The current implementation of const is a Mozilla-specific extension and is not part of ECMAScript 5. It is supported in Firefox & Chrome (V8). As of Safari 5.1.7 and Opera 12.00, if you define a variable with const in these browsers, you can still change its value later. It is not supported in Internet Explorer 6-10, but is included in Internet Explorer 11. The const keyword currently declares the constant in the function scope (like variables declared with var).

Firefox, at least since version 13, throws a TypeError if you redeclare a constant. None of the major browsers produce any notices or errors if you assign another value to a constant. The return value of such an operation is that of the new value assigned, but the reassignment is unsuccessful only in Firefox and Chrome (at least since version 20).

const is going to be defined by ECMAScript 6, but with different semantics. Similar to variables declared with the let statement, constants declared with const will be block-scoped.

Compile this in your database and start using boolean statements in your querys.

note: the function get's a varchar2 param, so be sure to wrap any "strings" in your statement. It will return 1 for true and 0 for false;

select bool('''abc''<''bfg''') from dual;

CREATE OR REPLACE function bool(p_str in varchar2) return varchar2 
 is
 begin

 execute immediate ' begin if '||P_str||' then
          :v_res :=  1;
       else
          :v_res :=  0;
       end if; end;' using out v_res;

       return v_res;

 exception 
  when others then 
    return '"'||p_str||'" is not a boolean expr.';
 end;
/

You can use the Get-InstalledModule

If (-not(Get-InstalledModule SomeModule -ErrorAction silentlycontinue)) {
  Write-Host "Module does not exist"
}
Else {
  Write-Host "Module exists"
}

I'm using this for a while now, don't know if this is still up to date with the actual PHP versions. You can use this in a one file setup, or just split it up in two files like contact.php and index.php

contact.php | Code

<?php 
error_reporting(E_ALL ^ E_NOTICE); 


if(isset($_POST['submitted'])) {


if(trim($_POST['contactName']) === '') {
    $nameError =  '<span style="margin-left:40px;">You have missed your name.</span>'; 
    $hasError = true;
} else {
    $name = trim($_POST['contactName']);
}

if(trim($_POST['topic']) === '') {
    $topicError = '<span style="margin-left:40px;">You have missed the topic.</span>'; 
    $hasError = true;
} else {
    $topic = trim($_POST['topic']);
}

$telefon = trim($_POST['phone']);
$company = trim($_POST['company']);


if(trim($_POST['email']) === '')  {
    $emailError = '<span style="margin-left:40px;">You have missed your email adress.</span>';
    $hasError = true;
} else if (!preg_match("/^[[:alnum:]][a-z0-9_.-]*@[a-z0-9.-]+\.[a-z]{2,4}$/i", trim($_POST['email']))) {
    $emailError = '<span style="margin-left:40px;">You have missspelled your email adress.</span>';
    $hasError = true;
} else {
    $email = trim($_POST['email']);
}


if(trim($_POST['comments']) === '') {
    $commentError = '<span style="margin-left:40px;">You have missed the comment section.</span>';
    $hasError = true;
} else {
    if(function_exists('stripslashes')) {
        $comments = utf8_encode(stripslashes(trim($_POST['comments'])));
    } else {
        $comments = trim($_POST['comments']);
    }
}


if(!isset($hasError)) {

    $emailTo = '[email protected]';
    $subject = 'Example.com - '.$name.' - '.$betreff;
    $sendCopy = trim($_POST['sendCopy']);
    $body = "\n\n This is an email from http://www.example.com \n\nCompany : $company\n\nName : $name \n\nEmail-Adress : $email \n\nPhone-No.. : $phone \n\nTopic : $topic\n\nMessage of the sender: $comments\n\n";
    $headers = "From: $email\r\nReply-To: $email\r\nReturn-Path: $email\r\n";

    mail($emailTo, $subject, $body, $headers);



    $emailSent = true;
}
}
?>

STYLESHEET

}
.formblock{display:block;padding:5px;margin:8px; margin-left:40px;}
.text{width:500px;height:200px;padding:5px;margin-left:40px;}
.center{min-height:12em;display:table-cell;vertical-align:middle;}
.failed{ margin-left:20px;font-size:18px;color:#C00;}
.okay{margin-left:20px;font-size:18px;color:#090;}
.alert{border:2px #fc0;padding:8px;text-transform:uppercase;font-weight:bold;}
.error{font-size:14px;color:#C00;}

label
{
margin-left:40px;
}

textarea

{
margin-left:40px;
}

index.php | FORM CODE

<?php header('Content-Type: text/html;charset=UTF-8'); ?>
<!DOCTYPE html>
<html lang="de">
<head>
<script type="text/javascript" src="js/jquery.js"></script>
</head>
<body>


<form action="contact.php" method="post">

<?php if(isset($emailSent) && $emailSent == true) { ?>

<span class="okay">Thank you for your interest. Your email has been send !</span>

<br>

<br>

<?php } else { ?>

<?php if(isset($hasError) || isset($captchaError) ) { ?>

<span class="failed">Email not been send. Please check the contact form.</span>

<br>

<br>

<?php } ?>

<label class="text label">Company</label>

<br>

<input type="text" size="30" name="company" id="company" value="<?php if(isset($_POST['company'])) echo $_POST['comnpany'];?>" class="formblock" placeholder="Your Company">

<label class="text label">Your Name <strong class="error">*</strong></label>

<br>

<?php if($nameError != '') { ?>

<span class="error"><?php echo $nameError;?></span>

<?php } ?>

<input type="text" size="30" name="contactName" id="contactName" value="<?php if(isset($_POST['contactName'])) echo $_POST['contactName'];?>" class="formblock" placeholder="Your Name">

<label class="text label">- Betreff - Anliegen - <strong class="error">*</strong></label>

<br>

<?php if($topicError != '') { ?>

<span class="error"><?php echo $betrError;?></span>

<?php } ?>

<input type="text" size="30" name="topic" id="topic" value="<?php if(isset($_POST['topic'])) echo $_POST['topic'];?>" class="formblock" placeholder="Your Topic">

<label class="text label">Phone-No.</label>

<br>

<input type="text" size="30" name="phone" id="phone" value="<?php if(isset($_POST['phone'])) echo $_POST['phone'];?>" class="formblock" placeholder="12345 678910">

<label class="text label">Email-Adress<strong class="error">*</strong></label>

<br>

<?php if($emailError != '') { ?>

<span class="error"><?php echo $emailError;?></span>

<?php } ?>

<input type="text" size="30" name="email" id="email" value="<?php if(isset($_POST['email']))  echo $_POST['email'];?>" class="formblock" placeholder="[email protected]">

<label class="text label">Your Message<strong class="error">*</strong></label>

<br>

<?php if($commentError != '') { ?>

<span class="error"><?php echo $commentError;?></span>

<?php } ?>

<textarea name="comments" id="commentsText" class="formblock text" placeholder="Leave your message here..."><?php if(isset($_POST['comments'])) { if(function_exists('stripslashes')) { echo stripslashes($_POST['comments']); } else { echo $_POST['comments']; } } ?></textarea>

<button class="formblock" name="submit" type="submit">Send Email</button>
<input type="hidden" name="submitted" id="submitted" value="true">
<?php } ?>

</form>
</body>
</html>

JAVASCRIPT

<script type="text/javascript">

<!--//--><![CDATA[//><!--

$(document).ready(function() {

$('form#contact-us').submit(function() {

$('form#contact-us .error').remove();
var hasError = false;

$('.requiredField').each(function() {

if($.trim($(this).val()) == '') {
var labelText = $(this).prev('label').text();

$(this).parent().append('<br><br><span style="margin-left:20px;">You have missed '+labelText+'.</span>.');

$(this).addClass('inputError');
hasError = true;

} else if($(this).hasClass('email')) {

var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
if(!emailReg.test($.trim($(this).val()))) {

var labelText = $(this).prev('label').text();

$(this).parent().append('<br><br><span style="margin-left:20px;">You have entered a wrong '+labelText+' adress.</span>.');

$(this).addClass('inputError');
hasError = true;
}
}
});
if(!hasError) {

var formInput = $(this).serialize();

$.post($(this).attr('action'),formInput, function(data){

$('form#contact-us').slideUp("fast", function() {                  
$(this).before('<br><br><strong>Thank You!</strong>Your Email has been send successfuly.');

});

});

}
return false;   

});

});

//-->!]]>

</script>

Helpful tip, use SHOW WARNINGS; after trying your CREATE query and you will receive the error as well as the more detailed warning:

    ---------------------------------------------------------------------------------------------------------+
| Level   | Code | Message                                                                                                                                                                                                                                 |
+---------+------+--------------------------------------------------------------------------                          --------------------------------------------------------------------------------------------                          ---------------+
| Warning |  150 | Create table 'fakeDatabase/exampleTable' with foreign key constraint failed. There is no index in the referenced table where the referenced columns appear as the first columns.
|
| Error   | 1005 | Can't create table 'exampleTable' (errno:150)                                                                                                                                                                           |
+---------+------+--------------------------------------------------------------------------                          --------------------------------------------------------------------------------------------                          ---------------+

So in this case, time to re-create my table!

try this:

$endOfCycle = date("Y-m", time()+2592000);

this adds 30 days, not exactly a month tough.

mainList.get(list_index)

I just had this problem of Chrome storing a Session ID but I do not like the idea of disabling the option to continue where I left off. I looked at the cookies for the website and found a Session ID cookie for the login page. Deleting that did not correct my problem. I search for the domain and found there was another Session ID cookie on the domain. Deleting both Session ID cookies manually fixed the problem and I did not close and reopen the browser which could have restored the cookies.

The Code:Blocks C++ IDE has a graphical wrapper, with a few of the features you want, but nothing like the power of VS.

document.getElementsByClassName("classstringhere").length

The document.getElementsByClassName("classstringhere") method returns an array of all the elements with that class name, so .length gives you the amount of them.

SELECT COUNT(col1 OR col2) FROM [table_name] GROUP BY col1,col2;

I'm quite a beginner in Python and I found the answer of Anand was very good but quite complicated to me, so I try to reformulate :

1) insert and append methods are not specific to sys.path and as in other languages they add an item into a list or array and :
* append(item) add item to the end of the list,
* insert(n, item) inserts the item at the nth position in the list (0 at the beginning, 1 after the first element, etc ...).

2) As Anand said, python search the import files in each directory of the path in the order of the path, so :
* If you have no file name collisions, the order of the path has no impact,
* If you look after a function already defined in the path and you use append to add your path, you will not get your function but the predefined one.

But I think that it is better to use append and not insert to not overload the standard behaviour of Python, and use non-ambiguous names for your files and methods.

how can i return a array in a c++ method and how must i declare it? int[] test(void); ??

This sounds like a simple question, but in C++ you have quite a few options. Firstly, you should prefer...

• std::vector<>, which grows dynamically to however many elements you encounter at runtime, or

• std::array<> (introduced with C++11), which always stores a number of elements specified at compile time,

...as they manage memory for you, ensuring correct behaviour and simplifying things considerably:

std::vector<int> fn()
{
    std::vector<int> x;
    x.push_back(10);
    return x;
}

std::array<int, 2> fn2()  // C++11
{
    return {3, 4};
}

void caller()
{
    std::vector<int> a = fn();
    const std::vector<int>& b = fn(); // extend lifetime but read-only
                                      // b valid until scope exit/return

    std::array<int, 2> c = fn2();
    const std::array<int, 2>& d = fn2();
}

The practice of creating a const reference to the returned data can sometimes avoid a copy, but normally you can just rely on Return Value Optimisation, or - for vector but not array - move semantics (introduced with C++11).

If you really want to use an inbuilt array (as distinct from the Standard library class called array mentioned above), one way is for the caller to reserve space and tell the function to use it:

void fn(int x[], int n)
{
    for (int i = 0; i < n; ++i)
        x[i] = n;
}

void caller()
{
    // local space on the stack - destroyed when caller() returns
    int x[10];
    fn(x, sizeof x / sizeof x[0]);

    // or, use the heap, lives until delete[](p) called...
    int* p = new int[10];
    fn(p, 10);
}

Another option is to wrap the array in a structure, which - unlike raw arrays - are legal to return by value from a function:

struct X
{
    int x[10];
};

X fn()
{
    X x;
    x.x[0] = 10;
    // ...
    return x;
}

void caller()
{
    X x = fn();
}

Starting with the above, if you're stuck using C++03 you might want to generalise it into something closer to the C++11 std::array:

template <typename T, size_t N>
struct array
{
    T& operator[](size_t n) { return x[n]; }
    const T& operator[](size_t n) const { return x[n]; }
    size_t size() const { return N; }
    // iterators, constructors etc....
  private:
    T x[N];
};

Another option is to have the called function allocate memory on the heap:

int* fn()
{
    int* p = new int[2];
    p[0] = 0;
    p[1] = 1;
    return p;
}

void caller()
{
    int* p = fn();
    // use p...
    delete[] p;
}

To help simplify the management of heap objects, many C++ programmers use "smart pointers" that ensure deletion when the pointer(s) to the object leave their scopes. With C++11:

std::shared_ptr<int> p(new int[2], [](int* p) { delete[] p; } );
std::unique_ptr<int[]> p(new int[3]);

If you're stuck on C++03, the best option is to see if the boost library is available on your machine: it provides boost::shared_array.

Yet another option is to have some static memory reserved by fn(), though this is NOT THREAD SAFE, and means each call to fn() overwrites the data seen by anyone keeping pointers from previous calls. That said, it can be convenient (and fast) for simple single-threaded code.

int* fn(int n)
{
    static int x[2];  // clobbered by each call to fn()
    x[0] = n;
    x[1] = n + 1;
    return x;  // every call to fn() returns a pointer to the same static x memory
}

void caller()
{
    int* p = fn(3);
    // use p, hoping no other thread calls fn() meanwhile and clobbers the values...
    // no clean up necessary...
}

I thought I would add another possibility. One of the things you can do is you can connect two scenes in a storyboard using a segue that is not attached to an action, and then programmatically trigger the segue inside your view controller. The way you do this, is that you have to drag from the file's owner icon at the bottom of the storyboard scene that is the segueing scene, and right drag to the destination scene. I'll throw in an image to help explain.

A popup will show for "Manual Segue". I picked Push as the type. Tap on the little square and make sure you're in the attributes inspector. Give it an identifier which you will use to refer to it in code.

Ok, next I'm going to segue using a programmatic bar button item. In viewDidLoad or somewhere else I'll create a button item on the navigation bar with this code:

UIBarButtonItem *buttonizeButton = [[UIBarButtonItem alloc] initWithTitle:@"Buttonize"
                                                                    style:UIBarButtonItemStyleDone
                                                                   target:self
                                                                   action:@selector(buttonizeButtonTap:)];
self.navigationItem.rightBarButtonItems = @[buttonizeButton];

Ok, notice that the selector is buttonizeButtonTap:. So write a void method for that button and within that method you will call the segue like this:

-(void)buttonizeButtonTap:(id)sender{
    [self performSegueWithIdentifier:@"Associate" sender:sender];
    }

The sender parameter is required to identify the button when prepareForSegue is called. prepareForSegue is the framework method where you will instantiate your scene and pass it whatever values it will need to do its work. Here's what my method looks like:

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    if ([[segue identifier] isEqualToString:@"Associate"])
    {
        TranslationQuizAssociateVC *translationQuizAssociateVC = [segue destinationViewController];
        translationQuizAssociateVC.nodeID = self.nodeID; //--pass nodeID from ViewNodeViewController
        translationQuizAssociateVC.contentID = self.contentID;
        translationQuizAssociateVC.index = self.index;
        translationQuizAssociateVC.content = self.content;
    }
}

Ok, just tested it and it works. Hope it helps you.

You can also do this in a .htaccess file assuming they are enabled on the website.

SetEnv KOHANA_ENV production

Would be all you need to add to a .htaccess to add the environment variable

This kind of worked for me. Though FAB doesn't float independently, but now it isn't getting pushed down.

Observe the weights given inside the LinearLayout

<LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:id="@+id/andsanddkasd">

            <android.support.v7.widget.RecyclerView
                android:id="@+id/sharedResourcesRecyclerView"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="4"
                />

            <android.support.design.widget.FloatingActionButton
                android:id="@+id/fab"
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:layout_gravity="bottom|right"
                android:src="@android:drawable/ic_input_add"
                android:layout_weight="1"/>

        </LinearLayout>

Hope this helps :)

For php 7 to install mcrypt run:

Centos: sudo yum install php7.0-mcrypt to install

On Ubuntu: sudo apt-get install php7.0-mcrypt

CORRELATED SUBQUERIES: Is evaluated for each row processed by the Main query. Execute the Inner query based on the value fetched by the Outer query. Continues till all the values returned by the main query are matched. The INNER Query is driven by the OUTER Query

Ex:

SELECT empno,fname,sal,deptid FROM emp e WHERE sal=(SELECT AVG(sal) FROM emp WHERE deptid=e.deptid)

The Correlated subquery specifically computes the AVG(sal) for each department.

SUBQUERY: Runs first,executed once,returns values to be used by the MAIN Query. The OUTER Query is driven by the INNER QUERY

Try passing it directly to the ng-click function:

<div class="col-lg-1 text-center">
    <span class="glyphicon glyphicon-trash" data="{{event.id}}"
          ng-click="deleteEvent(event.id)"></span>
</div>

Then it should be available in your handler:

$scope.deleteEvent=function(idPassedFromNgClick){
    console.log(idPassedFromNgClick);
}

Here's an example

Thanks to https://stackoverflow.com/users/1652962/cimmanon that gave me the answer.

The solution is setting a height to the vertical scrollable element. For example:

#container article {
    flex: 1 1 auto;
    overflow-y: auto;
    height: 0px;
}

The element will have height because flexbox recalculates it unless you want a min-height so you can use height: 100px; that it is exactly the same as: min-height: 100px;

#container article {
    flex: 1 1 auto;
    overflow-y: auto;
    height: 100px; /* == min-height: 100px*/
}

So the best solution if you want a min-height in the vertical scroll:

#container article {
    flex: 1 1 auto;
    overflow-y: auto;
    min-height: 100px;
}

If you just want full vertical scroll in case there is no enough space to see the article:

#container article {
    flex: 1 1 auto;
    overflow-y: auto;
    min-height: 0px;
}

The final code: http://jsfiddle.net/ch7n6/867/

You can make use of DecimalFormat to give you the style you wish.

DecimalFormat df = new DecimalFormat("0.00E0");
double number = 1.2975118E7;
System.out.println(df.format(number));  // prints 1.30E7

Since it's in scientific notation, you won't be able to get the number any smaller than 10⁷ without losing that many orders of magnitude of accuracy.

Please note that both the HTML5 specification of W3C and WhatWG standardize

<link rel="icon" href="/favicon.ico">

Note the value of the "rel" attribute!

The value shortcut icon for the rel attribute is a very old Internet Explorer specific extension and deprecated.

So please consider not using it any more and updating your files so they are standards compliant and are displayed correctly in all browsers.

You might also want to take a look at this great post: rel="shortcut icon" considered harmful

TakeScreenShot screenshot=new TakeScreenShot();
screenshot.screenShot("screenshots//TestScreenshot//password.png");

it will work , please try.

This code worked perfectly for me to close a modal (i'm using bootstrap 3.3)

$('#myModal').removeClass('in')

Try this:

max.setOnKeyListener(new OnKeyListener(){
    @Override
    public boolean onKey(View v, int keyCode, KeyEvent event){
        if(keyCode == event.KEYCODE_ENTER){
            //do what you want
        }
    }
});

You can Do It by --

Using Ad Hoc Command

ansible all -m command -a" mv /path/to/foo /path/to/bar"

Or You if you want to do it by using playbook

- name: Move File foo to destination bar
  command: mv /path/to/foo /path/to/bar

For linux users, and to sum up and add to what others have said here, you should know the following:

1. Global variables are not evil. $CLASSPATH is specifically what Java uses to look through multiple directories to find all the different classes it needs for your script (unless you explicitly tell it otherwise with the -cp override).

2. The colon (":") character separates the different directories. There is only one $CLASSPATH and it has all the directories in it. So, when you run "export CLASSPATH=...." you want to include the current value "$CLASSPATH" in order to append to it. For example:

   export CLASSPATH=.
   export CLASSPATH=$CLASSPATH:/usr/share/java/mysql-connector-java-5.1.12.jar
   

   In the first line above, you start CLASSPATH out with just a simple 'dot' which is the path to your current working directory. With that, whenever you run java it will look in the current working directory (the one you're in) for classes. In the second line above, $CLASSPATH grabs the value that you previously entered (.) and appends the path to a mysql dirver. Now, java will look for the driver AND for your classes.

3. echo $CLASSPATH
   

   is super handy, and what it returns should read like a colon-separated list of all the directories you want java looking in for what it needs to run your script.

4. Tomcat does not use CLASSPATH. Read what to do about that here: https://tomcat.apache.org/tomcat-8.0-doc/class-loader-howto.html

I had this error crop up today when converting my aaLuminate app to Universal under Xcode 4. This app is based on the utility template and was originally built under Xcode 3.

To save time I copied the iPhone Main and Flipside Views across to appropriate names on the Universal app. I experienced the "Unknown class x in Interface Builder file" error. In my case it was nothing in the XIB files or targets.

I had also copied the aaLuminate-Info.plist file across for other reasons - this had an old key "Main nib file base name" set to MainWindow.

As soon as I deleted this key it fixed the problem!

I have noticed that when using type="image/vnd.microsoft.icon", the favicon fails to appear when the browser is not connected to the internet. But type="image/x-icon" works whether the browser can connect to the internet, or not. When developing, at times I am not connected to the internet.

I know this is pretty old question but it topped the list when I searched. So I wanted to update with another method.

In the strings.xml file you can do the \n or you can simply press enter:

<string name="Your string name" > This is your string.

   This is the second line of your string.\n\n Third line of your string.</string>

This will result in the following on your TextView:

This is your string.

This is the second line of your string.

Third line of your string.

This is because there were two returns between the beginning declaration of the string and the new line. I also added the \n to it for clarity, as either can be used. I like to use the carriage returns in the xml to be able to see a list or whatever multiline string I have. My two cents.

Old unsecured way:

Follow 3 simple steps to secure API/Secret key (Old answer)

We can use Gradle to secure the API key or Secret key.

1. gradle.properties (Project properties) : Create variable with key.

GoolgeAPIKey = "Your API/Secret Key"

2. build.gradle (Module: app) : Set variable in build.gradle to access it in activity or fragment. Add below code to buildTypes {}.

buildTypes.each {
    it.buildConfigField 'String', 'GoogleSecAPIKEY', GoolgeAPIKey
}

3. Access it in Activity/Fragment by app's BuildConfig :

BuildConfig.GoogleSecAPIKEY

Update :

The above solution is helpful in the open source project to commit over Git. (Thanks to David Rawson and riyaz-ali for your comment).

As per the Matthew and Pablo Cegarra comments the above way is not secure and Decompiler will allow someone to view the BuildConfig with our secret keys.

Solution :

We can use NDK to Secure API Keys. We can store keys in the native C/C++ class and access them in our Java classes.

Please follow this blog to secure API keys using NDK.

A follow-up on how to store tokens securely in Android

jspdf does not work with css but it can work along with html2canvas. You can use jspdf along with html2canvas.

include these two files in script on your page :

<script type="text/javascript" src="html2canvas.js"></script>
  <script type="text/javascript" src="jspdf.min.js"></script>
  <script type="text/javascript">
  function genPDF()
  {
   html2canvas(document.body,{
   onrendered:function(canvas){

   var img=canvas.toDataURL("image/png");
   var doc = new jsPDF();
   doc.addImage(img,'JPEG',20,20);
   doc.save('test.pdf');
   }

   });

  }
  </script>

You need to download script files such as https://github.com/niklasvh/html2canvas/releases https://cdnjs.com/libraries/jspdf

make clickable button on page so that it will generate pdf and it will be seen same as that of original html page.

<a href="javascript:genPDF()">Download PDF</a>  

It will work perfectly.

This is an alternative answer for Node.js, that isn't likely what the OP meant, but could come in handy and seems to be in the scope of the question.

This is a solution with Node.js, the example uses Next.js framework but would work with any Node.js framework. It uses probe-image-size NPM package to resolve the image attributes from the server side.

Example use case: I used the below code to resolve the size of an image from an Airtable Automation script, which calls my own analyzeImage API and returns the image's props.

import {
  NextApiRequest,
  NextApiResponse,
} from 'next';
import probe from 'probe-image-size';

export const analyzeImage = async (req: NextApiRequest, res: NextApiResponse): Promise<void> => {
  try {
    const result = await probe('http://www.google.com/intl/en_ALL/images/logo.gif');

    res.json(result);
  } catch (e) {
    res.json({
      error: true,
      message: process.env.NODE_ENV === 'production' ? undefined : e.message,
    });
  }
};

export default analyzeImage;

Yields:

{
"width": 276,
"height": 110,
"type": "gif",
"mime": "image/gif",
"wUnits": "px",
"hUnits": "px",
"length": 8558,
"url": "http://www.google.com/intl/en_ALL/images/logo.gif"
}

I needed to use the Window.GetWindow(this) method within Loaded event handler. In other words, I used both Ian Oakes' answer in combination with Alex's answer to get a user control's parent.

public MainView()
{
    InitializeComponent();

    this.Loaded += new RoutedEventHandler(MainView_Loaded);
}

void MainView_Loaded(object sender, RoutedEventArgs e)
{
    Window parentWindow = Window.GetWindow(this);

    ...
}

FWIR, if authentication is only username & pw, add remote server ip address to known_hosts like ssh-keyscan -H 192.168.1.162 >> ~/.ssh/known_hosts for ref https://www.techrepublic.com/article/how-to-easily-add-an-ssh-fingerprint-to-your-knownhosts-file-in-linux/

Hibernate queries are case sensitive with property names (because they end up relying on getter/setter methods on the @Entity).

Make sure you refer to the property as fileName in the Criteria query, not filename.

Specifically, Hibernate will call the getter method of the filename property when executing that Criteria query, so it will look for a method called getFilename(). But the property is called FileName and the getter getFileName().

So, change the projection like so:

criteria.setProjection(Projections.property("fileName"));

-- To Create or Replace a Table we must first silently Drop a Table that may not exist
DECLARE
  table_not_exist EXCEPTION;
  PRAGMA EXCEPTION_INIT (table_not_exist , -00942);
BEGIN
   EXECUTE IMMEDIATE('DROP TABLE <SCHEMA>.<TABLE NAME> CASCADE CONSTRAINTS');
   EXCEPTION WHEN table_not_exist THEN NULL;
END;
/

As DOC says, you can pass data to the handler as next:

// say your selector and click handler looks something like this...
$("some selector").on('click',{param1: "Hello", param2: "World"}, cool_function);

// in your function, just grab the event object and go crazy...
function cool_function(event){
    alert(event.data.param1);
    alert(event.data.param2);

    // access element's id where click occur
    alert( event.target.id ); 
}

I propose this solution (which I consider the easiest and memory leaks free) which works perfectly for updating the ViewModel's selected item from the View's selected item.

Please note that changing the selected item from the ViewModel won't update the selected item of the View.

public class TreeViewEx : TreeView
{
    public static readonly DependencyProperty SelectedItemExProperty = DependencyProperty.Register("SelectedItemEx", typeof(object), typeof(TreeViewEx), new FrameworkPropertyMetadata(default(object))
    {
        BindsTwoWayByDefault = true // Required in order to avoid setting the "BindingMode" from the XAML
    });

    public object SelectedItemEx
    {
        get => GetValue(SelectedItemExProperty);
        set => SetValue(SelectedItemExProperty, value);
    }

    protected override void OnSelectedItemChanged(RoutedPropertyChangedEventArgs<object> e)
    {
        SelectedItemEx = e.NewValue;
    }
}

XAML usage

<l:TreeViewEx ItemsSource="{Binding Path=Items}" SelectedItemEx="{Binding Path=SelectedItem}" >

Check This module keyboard with many features.Install it, perhaps with this command:

pip3 install keyboard

Then Use this Code:

import keyboard
keyboard.write('A',delay=0)

If you Want to write 'A' multiple times, Then simply use a loop.
Note:
The key 'A' will be pressed for the whole windows.Means the script is running and you went to browser, the script will start writing there.

By default Mocha will read a file named test/mocha.opts that can contain command line arguments. So you could create such a file that contains:

--timeout 5000

Whenever you run Mocha at the command line, it will read this file and set a timeout of 5 seconds by default.

Another way which may be better depending on your situation is to set it like this in a top level describe call in your test file:

describe("something", function () {
    this.timeout(5000); 

    // tests...
});

This would allow you to set a timeout only on a per-file basis.

You could use both methods if you want a global default of 5000 but set something different for some files.

Note that you cannot generally use an arrow function if you are going to call this.timeout (or access any other member of this that Mocha sets for you). For instance, this will usually not work:

describe("something", () => {
    this.timeout(5000); //will not work

    // tests...
});

This is because an arrow function takes this from the scope the function appears in. Mocha will call the function with a good value for this but that value is not passed inside the arrow function. The documentation for Mocha says on this topic:

Passing arrow functions (“lambdas”) to Mocha is discouraged. Due to the lexical binding of this, such functions are unable to access the Mocha context.

I am trying to check if a key exist in an array in angular way and landed here on this question. In my Angularjs 1.4 ternary operator worked like below

{{ CONDITION ? TRUE : FALSE }}

hence for the array key exist i did a simple JS check

Solution 1 : {{ array['key'] !== undefined ? array['key'] : 'n/a' }}

Solution 2 : {{ "key" in array ? array['key'] : 'n/a' }}

I am a beginner myself and I honestly couldn't find a satisfactory answer that I could understand or implement.

So here's an external link that I really helped me achieved what I wanted. It's very straight forward and easy to follow as well.

http://www.helloandroid.com/tutorials/how-display-custom-dialog-your-android-application

THIS WHAT I TRIED TO ACHIEVE WITH THE CODE:

I have a MainActivity that hosts a Fragment. I wanted a dialog to appear on top of the layout to ask for user input and then process the input accordingly. See a screenshot

Here's what the onCreateView of my fragment looks

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

    View rootView = inflater.inflate(R.layout.fragment_home_activity, container, false);

    Button addTransactionBtn = rootView.findViewById(R.id.addTransactionBtn);

    addTransactionBtn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Dialog dialog = new Dialog(getActivity());
            dialog.setContentView(R.layout.dialog_trans);
            dialog.setTitle("Add an Expense");
            dialog.setCancelable(true);

            dialog.show();

        }
    });

I hope it will help you

Let me know if there's any confusion. :)

While I agree with Ari's answer (and upvoted it :), I needed to do an extra step to get it to work with Java on Windows (where it needed to be deployed):

openssl s_client -showcerts -connect www.example.com:443 < /dev/null | openssl x509 -outform DER > derp.der

Before adding the openssl x509 -outform DER conversion, I was getting an error from keytool on Windows complaining about the certificate's format. Importing the .der file worked fine.

Some people think that VCS systems have to be complicated. They encourage inventing terms and concepts on the field. They would probably think that numerous PhDs on the subject would be interesting. Among those are probably the ones that designed Git.

Mercurial is designed with a different mentality. Developers should not care much about VCS, and they should instead spend their time on their main function: software engineering. Mercurial allows users to use and happily abuse the system without letting them make any non-recoverable mistakes.

Any professional tool must come with a clearly designed and intuitive CLI. Mercurial users can do most of the work by issuing simple commands without any strange options. In Git double dash, crazy options are the norm. Mercurial has a substantial advantage if you are a CLI person (and to be honest, any self-respecting Software Engineer should be).

To give an example, suppose you do a commit by mistake. You forgot to edit some files. To undo you action in Mercurial you simply type:

$ hg rollback

You then get a message that the system undos your last transaction.

In Git you have to type:

$ git reset --soft HEAD^

So ok suppose you have an idea what reset is about. But in addition you have to know what "--soft" and "--hard" resets are (any intuitive guesses?). Oh and of course don't forget the '^' character in the end! (now what in Ritchie's name is that...)

Mercurial's integration with 3rd party tools like kdiff3 and meld is much better as well. Generate your patches merge your branches without much fuss. Mercurial also includes a simple http server that you activate by typing

hg serve

And let others browse your repository.

The bottom line is, Git does what Mercurial does, in a much more complicated way and with a far inferior CLI. Use Git if you want to turn the VCS of your project into a scientific-research field. Use Mercurial if you want to get the VCS job done without caring much about it, and focus on your real tasks.

Here's some easy way to get slice of the map-keys.

// Return keys of the given map
func Keys(m map[string]interface{}) (keys []string) {
    for k := range m {
        keys = append(keys, k)
    }
    return keys
}

// use `Keys` func
func main() {
    m := map[string]interface{}{
        "foo": 1,
        "bar": true,
        "baz": "baz",
    }
    fmt.Println(Keys(m)) // [foo bar baz]
}

after
systemctl restart php-fpm
the Gd library works.

Edit: Thanks Marc, read up on the struct vs class issue and you're right, thank you!

I tend to use the following method for doing what you describe, using a static method of JSon.Net:

MyObject deserializedObject = JsonConvert.DeserializeObject<MyObject>(json);

Link: Serializing and Deserializing JSON with Json.NET

For the Objects list, may I suggest using generic lists out made out of your own small class containing attributes and position class. You can use the Point struct in System.Drawing (System.Drawing.Point or System.Drawing.PointF for floating point numbers) for you X and Y.

After object creation it's much easier to get the data you're after vs. the text parsing you're otherwise looking at.

There is a built-in Edit toolbar in the VBA editor that has the Comment Block and Uncomment Block buttons by default, and other useful tools.

If you right-click any toolbar or menu (or go to the View menu > Toolbars), you will see a list of available toolbars (above the "Customize..." option). The Standard toolbar is selected by default. Select the Edit toolbar and the new toolbar will appear, with the Comment Block buttons in the middle.

*This is a simpler option to the ones mentioned.

Open a TCP socket on port 80, start listening for new connections, implement this. Depending on your purposes, you can ignore almost everything. At the easiest, you can send the same response for every request, which just involves writing text to the socket.

If lakes is your DataFrame, you can do something like

area_dict = dict(zip(lakes.area, lakes.count))

In your example, the TMP variable is set (and the temporary directory created) whenever the rules for out.tar are evaluated. In order to create the directory only when out.tar is actually fired, you need to move the directory creation down into the steps:

out.tar : 
    $(eval TMP := $(shell mktemp -d))
    @echo hi $(TMP)/hi.txt
    tar -C $(TMP) cf $@ .
    rm -rf $(TMP)

The eval function evaluates a string as if it had been typed into the makefile manually. In this case, it sets the TMP variable to the result of the shell function call.

edit (in response to comments):

To create a unique variable, you could do the following:

out.tar : 
    $(eval $@_TMP := $(shell mktemp -d))
    @echo hi $($@_TMP)/hi.txt
    tar -C $($@_TMP) cf $@ .
    rm -rf $($@_TMP)

This would prepend the name of the target (out.tar, in this case) to the variable, producing a variable with the name out.tar_TMP. Hopefully, that is enough to prevent conflicts.

string = ""
name = raw_input() #The value at the field
length = input() #the length of the field
string += name
string += " "*(length-len(name)) # Add extra spaces

This will add the number of spaces needed, provided the field has length >= the length of the name provided

There's a headers parameter in the config object you pass to $http for per-call headers:

$http({method: 'GET', url: 'www.google.com/someapi', headers: {
    'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=='}
});

Or with the shortcut method:

$http.get('www.google.com/someapi', {
    headers: {'Authorization': 'Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=='}
});

The list of the valid parameters is available in the $http service documentation.

It seems IHostingEnvironment has been replaced by IHostEnvironment (and a few others). You should be able to change the interface type in your code and everything will work as it used to :-)

You can find more information about the changes at this link on GitHub https://github.com/aspnet/AspNetCore/issues/7749

EDIT There is also an additional interface IWebHostEnvironment that can be used in ASP.NET Core applications. This is available in the Microsoft.AspNetCore.Hosting namespace.

Ref: https://stackoverflow.com/a/55602187/932448

What about this alternative idea :

• two have two executors :
  • one for :
    • submitting the task, without caring about the timeout of the task
    • adding the Future resulted and the time when it should end to an internal structure
  • one for executing an internal job which is checking the internal structure if some tasks are timeout and if they have to be cancelled.

Small sample is here :

public class AlternativeExecutorService 
{

private final CopyOnWriteArrayList<ListenableFutureTask> futureQueue       = new CopyOnWriteArrayList();
private final ScheduledThreadPoolExecutor                scheduledExecutor = new ScheduledThreadPoolExecutor(1); // used for internal cleaning job
private final ListeningExecutorService                   threadExecutor    = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(5)); // used for
private ScheduledFuture scheduledFuture;
private static final long INTERNAL_JOB_CLEANUP_FREQUENCY = 1000L;

public AlternativeExecutorService()
{
    scheduledFuture = scheduledExecutor.scheduleAtFixedRate(new TimeoutManagerJob(), 0, INTERNAL_JOB_CLEANUP_FREQUENCY, TimeUnit.MILLISECONDS);
}

public void pushTask(OwnTask task)
{
    ListenableFuture<Void> future = threadExecutor.submit(task);  // -> create your Callable
    futureQueue.add(new ListenableFutureTask(future, task, getCurrentMillisecondsTime())); // -> store the time when the task should end
}

public void shutdownInternalScheduledExecutor()
{
    scheduledFuture.cancel(true);
    scheduledExecutor.shutdownNow();
}

long getCurrentMillisecondsTime()
{
    return Calendar.getInstance().get(Calendar.MILLISECOND);
}

class ListenableFutureTask
{
    private final ListenableFuture<Void> future;
    private final OwnTask                task;
    private final long                   milliSecEndTime;

    private ListenableFutureTask(ListenableFuture<Void> future, OwnTask task, long milliSecStartTime)
    {
        this.future = future;
        this.task = task;
        this.milliSecEndTime = milliSecStartTime + task.getTimeUnit().convert(task.getTimeoutDuration(), TimeUnit.MILLISECONDS);
    }

    ListenableFuture<Void> getFuture()
    {
        return future;
    }

    OwnTask getTask()
    {
        return task;
    }

    long getMilliSecEndTime()
    {
        return milliSecEndTime;
    }
}

class TimeoutManagerJob implements Runnable
{
    CopyOnWriteArrayList<ListenableFutureTask> getCopyOnWriteArrayList()
    {
        return futureQueue;
    }

    @Override
    public void run()
    {
        long currentMileSecValue = getCurrentMillisecondsTime();
        for (ListenableFutureTask futureTask : futureQueue)
        {
            consumeFuture(futureTask, currentMileSecValue);
        }
    }

    private void consumeFuture(ListenableFutureTask futureTask, long currentMileSecValue)
    {
        ListenableFuture<Void> future = futureTask.getFuture();
        boolean isTimeout = futureTask.getMilliSecEndTime() >= currentMileSecValue;
        if (isTimeout)
        {
            if (!future.isDone())
            {
                future.cancel(true);
            }
            futureQueue.remove(futureTask);
        }
    }
}

class OwnTask implements Callable<Void>
{
    private long     timeoutDuration;
    private TimeUnit timeUnit;

    OwnTask(long timeoutDuration, TimeUnit timeUnit)
    {
        this.timeoutDuration = timeoutDuration;
        this.timeUnit = timeUnit;
    }

    @Override
    public Void call() throws Exception
    {
        // do logic
        return null;
    }

    public long getTimeoutDuration()
    {
        return timeoutDuration;
    }

    public TimeUnit getTimeUnit()
    {
        return timeUnit;
    }
}
}

Probably something like this? (UNTESTED)

Sub Sample()
    Dim strWB4, strMyMacro
    strMyMacro = "Sheet1.my_macro_name"

    '
    '~~> Rest of Code
    '

    'loop through the folder and get the file names
    For Each Fil In FLD.Files
        Set x4WB = x1.Workbooks.Open(Fil)
        x4WB.Application.Visible = True

        x1.Run strMyMacro

        x4WB.Close

        Do Until IsWorkBookOpen(Fil) = False
            DoEvents
        Loop
    Next

    '
    '~~> Rest of Code
    '
End Sub

'~~> Function to check if the file is open
Function IsWorkBookOpen(FileName As String)
    Dim ff As Long, ErrNo As Long

    On Error Resume Next
    ff = FreeFile()
    Open FileName For Input Lock Read As #ff
    Close ff
    ErrNo = Err
    On Error GoTo 0

    Select Case ErrNo
    Case 0:    IsWorkBookOpen = False
    Case 70:   IsWorkBookOpen = True
    Case Else: Error ErrNo
    End Select
End Function

Another way to check is to inline the function, so that the condition will be checked on every render (every props and state change)

const isDisabled = () => 
  // condition check

This works:

<button
  type="button"
  disabled={this.isDisabled()}
>
  Let Me In
</button>

but this will not work:

<button
   type="button"
   disabled={this.isDisabled}
>
  Let Me In
</button>

Thank you very much! Finally I solved the blurred pixels problem with this code:

<canvas id="graph" width=326 height=240 style='width:326px;height:240px'></canvas>

With the addition of the 'half-pixel' does the trick to unblur lines.

If you want to use a PathVariable, you can use an example method below (all methods are and do the same):

//You can consume the path .../users/added-since1/2019-04-25
@GetMapping("/users/added-since1/{since}")
public String userAddedSince1(@PathVariable("since") @DateTimeFormat(pattern = "yyyy-MM-dd") Date since) {
    return "Date: " + since.toString(); //The output is "Date: Thu Apr 25 00:00:00 COT 2019"
}

//You can consume the path .../users/added-since2/2019-04-25
@RequestMapping("/users/added-since2/{since}")
public String userAddedSince2(@PathVariable("since") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) Date since) {
    return "Date: " + since.toString(); //The output is "Date: Wed Apr 24 19:00:00 COT 2019"
}

//You can consume the path .../users/added-since3/2019-04-25
@RequestMapping("/users/added-since3/{since}")
public String userAddedSince3(@PathVariable("since") @DateTimeFormat(pattern = "yyyy-MM-dd") Date since) {
    return "Date: " + since.toString(); //The output is "Date: Thu Apr 25 00:00:00 COT 2019"
}

You could just loop the rows and read the same cell from each row (doesn't this comprise a column?).

There is another issue you have to take care of it when you try mapping column which is string length, for example TK_NO nvarchar(50) you will have to map to the same length as the destination field.

Check out: http://commons.apache.org/io/

It has copy, and as stated the JDK already has move.

Don't implement your own copy method. There are so many floating out there...

If you're using the express library, as many node.js developers do, there is an easier way. Check the Express.js documentation page for more information.

The parsing example above works but express gives you a nice function to take care of that:

app.use(express.cookieParser());

To set a cookie:

res.cookie('cookiename', 'cookievalue', { maxAge: 900000, httpOnly: true });

To clear the cookie:

res.clearCookie('cookiename');

First - most classes will never need to be thread-safe. Use YAGNI: only apply thread-safety when you know you actually are going to use it (and test it).

For the method-level stuff, there is [MethodImpl]:

[MethodImpl(MethodImplOptions.Synchronized)]
public void SomeMethod() {/* code */}

This can also be used on accessors (properties and events):

private int i;
public int SomeProperty
{
    [MethodImpl(MethodImplOptions.Synchronized)]
    get { return i; }
    [MethodImpl(MethodImplOptions.Synchronized)]
    set { i = value; }
}

Note that field-like events are synchronized by default, while auto-implemented properties are not:

public int SomeProperty {get;set;} // not synchronized
public event EventHandler SomeEvent; // synchronized

Personally, I don't like the implementation of MethodImpl as it locks this or typeof(Foo) - which is against best practice. The preferred option is to use your own locks:

private readonly object syncLock = new object();
public void SomeMethod() {
    lock(syncLock) { /* code */ }
}

Note that for field-like events, the locking implementation is dependent on the compiler; in older Microsoft compilers it is a lock(this) / lock(Type) - however, in more recent compilers it uses Interlocked updates - so thread-safe without the nasty parts.

This allows more granular usage, and allows use of Monitor.Wait/Monitor.Pulse etc to communicate between threads.

A related blog entry (later revisited).

Using the "Add Service Reference" tool in Visual Studio, you can insert the address as:

file:///path/to/wsdl/file.wsdl

And it will load properly.

A Bcrypt hash can be stored in a BINARY(40) column.

BINARY(60), as the other answers suggest, is the easiest and most natural choice, but if you want to maximize storage efficiency, you can save 20 bytes by losslessly deconstructing the hash. I've documented this more thoroughly on GitHub: https://github.com/ademarre/binary-mcf

Bcrypt hashes follow a structure referred to as modular crypt format (MCF). Binary MCF (BMCF) decodes these textual hash representations to a more compact binary structure. In the case of Bcrypt, the resulting binary hash is 40 bytes.

Gumbo did a nice job of explaining the four components of a Bcrypt MCF hash:

$<id>$<cost>$<salt><digest>

Decoding to BMCF goes like this:

1. $<id>$ can be represented in 3 bits.
2. <cost>$, 04-31, can be represented in 5 bits. Put these together for 1 byte.
3. The 22-character salt is a (non-standard) base-64 representation of 128 bits. Base-64 decoding yields 16 bytes.
4. The 31-character hash digest can be base-64 decoded to 23 bytes.
5. Put it all together for 40 bytes: 1 + 16 + 23

You can read more at the link above, or examine my PHP implementation, also on GitHub.

Facebook uses the LAMP stack, so if you want to get a career with them you're going to want to focus on that. In addition they often have C++ and/or Java listed in their requirements as well.

One of the postings includes the following requirements:

• Expertise with C++ and/or Java
• Knowledge of Perl or PHP or Python
• Knowledge of relational databases and SQL, preferably MySQL and Oracle

Another:

• Expertise in PHP, JavaScript, and CSS.

Another:

• Knowledge of Perl or PHP or Python
• Knowledge of relational databases and
• SQL, preferably MySQL Knowledge of
• web technologies: XHTML, JavaScript Experience with C, C++ a plus

Source

http://www.facebook.com/careers/#!/careers/department.php?dept=engineering

Also, do any other social networking sites use the same language?

Some other companys that use PHP/LAMP Stack:

• DeviantArt (more focused on art)
• Twitter (for Front-End development)
• Google+

Credits to CommonsWare (Accepted Answer) Paul Cantrell (Create file if it doesn't exist) ahmad aghazadeh (Version name and code)

So I mashed all their ideas together and came up with this. This is the drag and drop solution to exactly what the first post asked.

It will automatically update the versionCode and versionName according to release status. Of course you can move the variables around to suite your needs.

def _versionCode=0
def versionPropsFile = file('version.properties')
def Properties versionProps = new Properties()
if(versionPropsFile.exists())
    versionProps.load(new FileInputStream(versionPropsFile))
    def _patch = (versionProps['PATCH'] ?: "0").toInteger() + 1
    def _major = (versionProps['MAJOR'] ?: "0").toInteger()
    def _minor = (versionProps['MINOR'] ?: "0").toInteger()
    List<String> runTasks = gradle.startParameter.getTaskNames();
    def value = 0
    for (String item : runTasks)
        if ( item.contains("assembleRelease")) {
            value = 1;
        }
    _versionCode = (versionProps['VERSION_CODE'] ?: "0").toInteger() + value
    if(_patch==99)
    {
        _patch=0
        _minor=_minor+1
    }
    if(_major==99){
        _major=0
        _major=_major+1
    }

versionProps['MAJOR']=_major.toString()
versionProps['MINOR']=_minor.toString()
versionProps['PATCH']=_patch.toString()
versionProps['VERSION_CODE']=_versionCode.toString()
versionProps.store(versionPropsFile.newWriter(), null)
def _versionName = "${_major}.${_versionCode}.${_minor}.${_patch}"

compileSdkVersion 24
buildToolsVersion "24.0.0"

defaultConfig {
    applicationId "com.yourhost.yourapp"
    minSdkVersion 16
    targetSdkVersion 24
    versionCode _versionCode
    versionName _versionName
}

When searching folders where you might get an error based on security (e.g. C:\Users), use the following command:

Get-ChildItem -Path V:\Myfolder -Filter CopyForbuild.bat -Recurse -ErrorAction SilentlyContinue -Force

I was also a bit confused between adjustResize and adjustPan when I was a beginner. The definitions given above are correct.
AdjustResize : Main activity's content is resized to make room for soft input i.e keyboard
AdjustPan : Instead of resizing overall contents of the window, it only pans the content so that the user can always see what is he typing
AdjustNothing : As the name suggests nothing is resized or panned. Keyboard is opened as it is irrespective of whether it is hiding the contents or not.

I have a created a example for better understanding
Below is my xml file:

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:hint="Type Here"
        app:layout_constraintTop_toBottomOf="@id/button1"/>


    <Button
        android:id="@+id/button1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="Button1"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@id/button2"
        app:layout_constraintStart_toStartOf="parent"
        android:layout_marginBottom="@dimen/margin70dp"/>

    <Button
        android:id="@+id/button2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="Button2"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toEndOf="@id/button1"
        app:layout_constraintEnd_toStartOf="@id/button3"
        android:layout_marginBottom="@dimen/margin70dp"/>

    <Button
        android:id="@+id/button3"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="Button3"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/button2"
        android:layout_marginBottom="@dimen/margin70dp"/>
</android.support.constraint.ConstraintLayout>

Here is the design view of the xml


AdjustResize Example below:


AdjustPan Example below:


AdjustNothing Example below:

You can access the fields by indexing the object array:

foreach (object[] item in selectedValues)
{
  idTextBox.Text = item[0];
  titleTextBox.Text = item[1];
  contentTextBox.Text = item[2];
}

That said, you'd be better off storing the fields in a small class of your own if the number of items is not dynamic:

public class MyObject
{
    public int Id { get; set; }
    public string Title { get; set; }
    public string Content { get; set; }
}

Then you can do:

foreach (MyObject item in selectedValues)
{
  idTextBox.Text = item.Id;
  titleTextBox.Text = item.Title;
  contentTextBox.Text = item.Content;
}

with(dfr[dfr$var3 < 155,], plot(var1, var2)) should do the trick.

Edit regarding multiple conditions:

with(dfr[(dfr$var3 < 155) & (dfr$var4 > 27),], plot(var1, var2))

I ran in to this recently, and as it turned out, I've imported the wrong annotation in my service class. Netbeans has an option to hide import statements, that's why I did not see it for some time.

I've used @org.jvnet.hk2.annotations.Service instead of @org.springframework.stereotype.Service.

Sometimes you don't have the option of editing the php file to set $_GET to the parameters passed in, and sometimes you can't or don't want to install php-cgi.

I found this to be the best solution for that case:

php -r '$_GET["key"]="value"; require_once("script.php");' 

This avoids altering your php file and lets you use the plain php command. If you have php-cgi installed, by all means use that, but this is the next best thing. Thought this options was worthy of mention

the -r means run the php code in the string following. you set the $_GET value manually there, and then reference the file you want to run.

Its worth noting you should run this in the right folder, often but not always the folder the php file is in. Requires statements will use the location of your command to resolve relative urls, NOT the location of the file

I had the same problem and it was because PHPMailer realized the server supported STARTTLS so it tried to automatically upgrade the connection to an encrypted connection. My mail server is on the same subnet as the web server within my network which is all behind our domain firewalls so I'm not too worried about using encryption (plus the generated emails don't contain sensitive data anyway).

So what I went ahead and did was change the SMTPAutoTLS to false in the class.phpmailer.php file.

/**
 * Whether to enable TLS encryption automatically if a server supports it,
 * even if `SMTPSecure` is not set to 'tls'.
 * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
 * @var boolean
 */
public $SMTPAutoTLS = false;

If you use Python from MacPorts, it has it's own easy_install located at: /opt/local/bin/easy_install-2.6 (for py26, that is). It's not the same one as simply calling easy_install directly, even if you used python_select to change your default python command.

With Hibernate 5.2, you can now force the UTC time zone using the following configuration property:

<property name="hibernate.jdbc.time_zone" value="UTC"/>

You can loop through the Selection object to see what was selected. Here is a code snippet from Microsoft (http://msdn.microsoft.com/en-us/library/aa203726(office.11).aspx):

Sub Count_Selection()
    Dim cell As Object
    Dim count As Integer
    count = 0
    For Each cell In Selection
        count = count + 1
    Next cell
    MsgBox count & " item(s) selected"
End Sub

None of the existing answers here has provided a complete example of how to do this from within a script (not a one-liner). Here is what I did:

rename($file, $file.'.bak');
open(IN, '<'.$file.'.bak') or die $!;
open(OUT, '>'.$file) or die $!;
while(<IN>)
{
    $_ =~ s/blue/red/g;
    print OUT $_;
}
close(IN);
close(OUT);

I had the same issue, but none of other answers fully solved my problem. Answer by @Kiee was helpful, although all I could see in the GUI was a black screen (with underscore in top-left, this issue in Virtual Box also has been raised separately in stack overflow, again nothing helped).

Eventually, a solution proved to be very simple: check version of your virtual machine.

More precisely, I had a box from someone else with 64-bit Debian, but Virtual Box insisted to treat it as 32-bit, what I didn't notice. To change it, open Virtual Box, then open terminal and run

vagrant up

wait for the line

default: SSH auth method: private key

now you can hit ctrl+C (or wait for timeout) and run

vagrant halt

your virtual machine won't be destroyed, so you can see it in the menu of Virtual Box, but will be powered off, so you can change settings. Chose your machine in the menu, click 'Settings'->'General' and chose proper 'Version', for me it was 'Debian (64-bit)'. After this type vagrant up again.

If this is a case for you (or different changes in 'Settings' solved your issue), you can create new box from the repaired one typing

vagrant package --output mynew.box

Some more details: host 32-bit Ubuntu 12.04, guest 64-bit Debian 8.1, Virtual Box 5.0.14, Vagrant 1.8.1

Use the wc utility with the print the byte counts (-c) option:

$ SO="stackoverflow"
$ echo -n "$SO" | wc -c
    13

You'll have to use the do not output the trailing newline (-n) option for echo. Otherwise, the newline character will also be counted.

The answer is for the problem:

Exception in thread "main" java.lang.UnsupportedClassVersionError: edu/stevens/cs549/dhts/main/LocalContext : Unsupported major.minor version 52.0

I was having the same problem. For those who were having this trouble in AWS ec2 instances, and have somehow got redirected here to this question. I am answering for those, and would like to share that how I did it. I was having the trouble because Amazon EC2 instances were running java version 1.7 and maybe my project was not compatible with it because I was using Maven and it kind of preconfigured for java 1.8. So I installed new version of java:

sudo yum -y install java-1.8.0

And then the important step is to remove the older version:

sudo yum remove java-1.7.0-openjdk

Remember to delete it after installing the new version, else it would continuously be using the same older version and I hope it resolves your problem, which did in my case.

This how you can do it.

const date = new Date();_x000D_
const time = date.toTimeString().split(' ')[0].split(':');_x000D_
console.log(time[0] + ':' + time[1])

Hmm, just escaped newlines seem to work in more recent versions of sed (I have GNU sed 4.2.1),

dev:~/pg/services/places> echo 'foobar' | sed -r 's/(bar)/\n\1/;'
foo
bar

None of these answers solved the problem for me. The root cause being:

You cannot store 4-byte characters in MySQL with the utf-8 character set.

MySQL has a 3 byte limit on utf-8 characters (yes, it's wack, nicely summed up by a Django developer here)

To solve this you need to:

1. Change your MySQL database, table and columns to use the utf8mb4 character set (only available from MySQL 5.5 onwards)
2. Specify the charset in your Django settings file as below:

settings.py

DATABASES = {
    'default': {
        'ENGINE':'django.db.backends.mysql',
        ...
        'OPTIONS': {'charset': 'utf8mb4'},
    }
}

Note: When recreating your database you may run into the 'Specified key was too long' issue.

The most likely cause is a CharField which has a max_length of 255 and some kind of index on it (e.g. unique). Because utf8mb4 uses 33% more space than utf-8 you'll need to make these fields 33% smaller.

In this case, change the max_length from 255 to 191.

Alternatively you can edit your MySQL configuration to remove this restriction but not without some django hackery

UPDATE: I just ran into this issue again and ended up switching to PostgreSQL because I was unable to reduce my VARCHAR to 191 characters.

That is so basic that I am wondering what book you are using to study? Try

data[1, "V1"]  # row first, quoted column name second, and case does matter

Further note: Terminology in discussing R can be crucial and sometimes tricky. Using the term "table" to refer to that structure leaves open the possibility that it was either a 'table'-classed, or a 'matrix'-classed, or a 'data.frame'-classed object. The answer above would succeed with any of them, while @BenBolker's suggestion below would only succeed with a 'data.frame'-classed object.

I am unrepentant in my phrasing despite the recent downvote. There is a ton of free introductory material for beginners in R: https://cran.r-project.org/other-docs.html

I added borderBottomWidth: 0 and it worked fine for me in android.

$res = ActivityServer::query()->select('channel_id')->where(['id' => $id])->first()->attributesToArray();

I use get(), it returns an object, I use the attributesToArray() to change the object attribute to an array.

It's not open source, but you can at least get a free personal use license to Prince, which really does a lovely job.

I also met the same problem before.

1. In the homestead folder, use bash init.sh.

2. If you don't have .ssh folder in D:/Users/your username/, you need to get a pair of ssh keys, ssh-keygen -t rsa -C "you@homestead".

3. Edit Homestead.yaml(homestead/), authoriza: ~/.ssh/id_rsa.pub.

4. keys: - ~/.ssh/id_rsa

5.

folders:
    - map: (share directory path in the host computer) 
      to: /home/vagrant/Code

sites:
    - map: homestead.app
      to: /home/vagrant/Code

6. You need to use git bash desktop app.

7. Open git bash desktop app. vagrant up

8. vagrant ssh

Try this:

On first row set value 1 (e.g cell A1)

on next row set: =A1+1

Finally autocomplete the remaining rows

You can delete the SQLite file - but I choose to do it by purging the tables individually with a functions:

- (void) deleteAllObjects: (NSString *) entityDescription  {
    NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
    NSEntityDescription *entity = [NSEntityDescription entityForName:entityDescription inManagedObjectContext:_managedObjectContext];
    [fetchRequest setEntity:entity];

    NSError *error;
    NSArray *items = [_managedObjectContext executeFetchRequest:fetchRequest error:&error];
    [fetchRequest release];


    for (NSManagedObject *managedObject in items) {
        [_managedObjectContext deleteObject:managedObject];
        DLog(@"%@ object deleted",entityDescription);
    }
    if (![_managedObjectContext save:&error]) {
        DLog(@"Error deleting %@ - error:%@",entityDescription,error);
    }

}

The reason I chose to do it table by table is that it makes me confirm as I am doing the programming that deleting the contents of the table is sensible and there is not data that I would rather keep.

Doing it this will is much slower than just deleting the file and I will change to a file delete if I this method takes too long.

If you're in local machine then use this command

/usr/local/mysql/bin/mysqldump -h127.0.0.1 --port = 3306 -u [username] -p [password] --databases [db_name] --tables [tablename] > /to/path/tablename.sql;

For remote machine, use below one

/usr/local/mysql/bin/mysqldump -h [remoteip] --port = 3306 -u [username] -p [password] --databases [db_name] --tables [tablename] > /to/path/tablename.sql;

JStack is quite inexpensive - one option would be to pipe the output through grep to find active threads and then pipe through wc -l.

More graphically is JConsole, which displays the thread count for a given process.

Please take a look on flex it will help you make things right,

on the main div set css display :flex

the div's that inside set css: flex:1 1 auto;

attached jsfiddle link as example enjoy :)

https://jsfiddle.net/hodca/v1uLsxbg/

It might be easier for you to understand using Functionoids which are expressively neater and more powerful to use, see this excellent and highly recommended C++ FAQ lite, in particular, look at section 33.12 onwards, but nonetheless, read it from the start of that section to gain a grasp and understanding of it.

To answer your question:

typedef void (*foobar)() fubarfn;

void Fun(fubarfn& baz){
   fubarfn = baz;
   baz();
}

Edit:

• & means the reference address
• * means the value of what's contained at the reference address, called de-referencing

So using the reference, example below, shows that we are passing in a parameter, and directly modify it.

void FunByRef(int& iPtr){
    iPtr = 2;
}

int main(void){
    // ...
    int n;
    FunByRef(n);
    cout << n << endl; // n will have value of 2
}

Here's my take experience with E7 async/await:

In case you have an async helperFunction() called from your test... (one explicilty with the ES7 async keyword, I mean)

? make sure, you call that as await helperFunction(whateverParams) (well, yeah, naturally, once you know...)

And for that to work (to avoid ‘await is a reserved word’), your test-function must have an outer async marker:

it('my test', async () => { ...

<script type="text/javascript" src="jquery.js">
</script>

 <script type="text/javascript">

  function omtCallFromAjax(urlVariable)
{ 
    alert("omt:"+urlVariable);
     $("#omtDiv").load("omtt.php?"+urlVariable);
}

 </script>

try this it work for me

In addition to what others have said, you can also expand your selection using pattern searches.

For example, v/foo will select from your current position to the next instance of "foo." If you actually wanted to expand to the next instance of "foo," on line 35, for example, just press n to expand selection to the next instance, and so on.

update

I don't often do it, but I know that some people use marks extensively to make visual selections. For example, if I'm on line 5 and I want to select to line 35, I might press ma to place mark a on line 5, then :35 to move to line 35. Shift + v to enter linewise visual mode, and finally `a to select back to mark a.

A somewhat different approach using ggplot2:

dat <- read.table(text = "A   B   C   D   E   F    G
1 480 780 431 295 670 360  190
2 720 350 377 255 340 615  345
3 460 480 179 560  60 735 1260
4 220 240 876 789 820 100   75", header = TRUE)

library(reshape2)

dat$row <- seq_len(nrow(dat))
dat2 <- melt(dat, id.vars = "row")

library(ggplot2)

ggplot(dat2, aes(x = variable, y = value, fill = row)) + 
  geom_bar(stat = "identity") +
  xlab("\nType") +
  ylab("Time\n") +
  guides(fill = FALSE) +
  theme_bw()

this gives:

When you want to include a legend, delete the guides(fill = FALSE) line.

How to fix app:mergeDebugResources in Android Studio (Resource path could not resolved / R.id is not accessible)

• Go to the project folder from file explorer.
• Delete(before delete Backup all files) .idea folder
• If there are any .gradle folder do the 2nd step to the .gradle folder too.
• If the Exception is referring any 3rd party library/jar file delete that also(keep a backup to add later)
• Open the project again from Android studio as "Open an existing android studio project"
• On right side gradle tab click "Refresh all Gradle projects".This will create the gradel project dependancies
• Now add again 3rd party libraries to the same previous folder structure

This should resolve your Gradle issue.. good luck.

Annotation which indicates that a method parameter should be bound to a URI template variable. Supported for RequestMapping annotated handler methods.

@RequestMapping(value = "/download/{documentId}", method = RequestMethod.GET)
public ModelAndView download(@PathVariable int documentId) {
    ModelAndView mav = new ModelAndView();
    Document document =  documentService.fileDownload(documentId);

    mav.addObject("downloadDocument", document);
    mav.setViewName("download");

    return mav;
}

i personally would prefer

if(true == foo)
{
}

there is no chance for the ==/= mistype and i find it more expressive in terms of foo's type. But it is a very subjective question.

Try executing 'mysql' or 'mysql -- version' without quotes on terminal. it will prompt version otherwise Command Not Found

Since I found that the above approved answer lacks some clarity and the op provides an incorrect solution that he/she will use. I therefore hope that the below example will help others. The solution is more or less portable as well.

/******************************************************************************
 * Checks to see if a directory exists. Note: This method only checks the
 * existence of the full path AND if path leaf is a dir.
 *
 * @return  >0 if dir exists AND is a dir,
 *           0 if dir does not exist OR exists but not a dir,
 *          <0 if an error occurred (errno is also set)
 *****************************************************************************/
int dirExists(const char* const path)
{
    struct stat info;

    int statRC = stat( path, &info );
    if( statRC != 0 )
    {
        if (errno == ENOENT)  { return 0; } // something along the path does not exist
        if (errno == ENOTDIR) { return 0; } // something in path prefix is not a dir
        return -1;
    }

    return ( info.st_mode & S_IFDIR ) ? 1 : 0;
}

Why you can't just use mysqlsh?

PS C:\Users\artur\Desktop> mysqlsh --user root
MySQL Shell 8.0.17

Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
Other names may be trademarks of their respective owners.

Type '\help' or '\?' for help; '\quit' to exit.
Creating a session to 'root@localhost'
Fetching schema names for autocompletion... Press ^C to stop.
Your MySQL connection id is 13 (X protocol)
Server version: 8.0.17 MySQL Community Server - GPL
No default schema selected; type \use <schema> to set one.
 MySQL  localhost:33060+ ssl  JS >

Simple like that:

$('#target option:first').prop('selected', true);

simple, you can't!

JSP is server side, javascript is client side meaning at the time the javascript is evaluated there is no more 'jsp code'.

I have used this code to compare two list which has million of records.

This method will not take much time

    //Method to compare two list of string
    private List<string> Contains(List<string> list1, List<string> list2)
    {
        List<string> result = new List<string>();

        result.AddRange(list1.Except(list2, StringComparer.OrdinalIgnoreCase));
        result.AddRange(list2.Except(list1, StringComparer.OrdinalIgnoreCase));

        return result;
    }

Please check you have two methods which has the different name and same parameters.

If so please delete any of the method and try.

If you are on Amazon Redshift, where string_agg is not supported, try using listagg.

SELECT company_id, listagg(EMPLOYEE, ', ') as employees
FROM EMPLOYEE_table
GROUP BY company_id;

By using the requestInterceptor, it worked for me:

const ui = SwaggerUIBundle({
  ...
  requestInterceptor: (req) => {
    req.headers.Authorization = "Bearer " + req.headers.Authorization;
    return req;
  },
  ...
});

This error is generic of the security libraries and might happen in other cases. In case other people have this same error when sending emails with javax.mail to a smtp server. Then the code to force other protocol is setting a property like this:

prop.put("mail.smtp.ssl.protocols", "TLSv1.2");            

//And just in case probably you need to set these too
prop.put("mail.smtp.starttls.enable", true);    
prop.put("mail.smtp.ssl.trust", {YOURSERVERNAME});

GPS is generally more accurate than network but sometimes GPS is not available, therefore you might need to switch between the two.

A good start might be to look at the android dev site. They had a section dedicated to determining user location and it has all the code samples you need.

http://developer.android.com/guide/topics/location/obtaining-user-location.html

Just simplifying the accepted answer, copy past the below in a Cygwin terminal and you are done:

cat <<EOF >> /bin/sudo
#!/usr/bin/bash
cygstart --action=runas "\$@"
EOF
chmod +X /bin/sudo

link.onclick = function() { onClickLink(i+''); };

Is a closure and stores a reference to the variable i, not the value that i holds when the function is created. One solution would be to wrap the contents of the for loop in a function do this:

for (var i = 0; i < 10; i++) (function(i) {
    var link = document.createElement('a');
    link.setAttribute('href', '#');
    link.innerHTML = i + '';
    link.onclick=  function() { onClickLink(i+'');};
    div.appendChild(link);
    div.appendChild(document.createElement('BR'));
}(i));

Changing php.ini for a web application requires restarting Apache.

You should verify that the change took place by running a PHP script that executes the function phpinfo(). The output of that function will tell you a lot of PHP parameters, including the timeout value.

You might also have changed a copy of php.ini that is not the same file used by Apache.

If you want to search inside the text, rather than view it, this works:

with unzipped_text as (
  select
    my_id
    ,utl_compress.lz_uncompress(my_compressed_blob) as my_blob
  from my_table
  where my_id='MY_ID'
)
select * from unzipped_text
where dbms_lob.instr(my_blob, utl_raw.cast_to_raw('MY_SEARCH_STRING'))>0;

You can control with a change event if the input is within your range, if it is not in the range you assign 0.

<md-input-container>
  <input type="number" 
    maxlength="3" 
    min="0" 
    max="100" 
    required 
    mdInput 
    placeholder="Charge" 
    [(ngModel)]="rateInput"
    (change)= "rateInput < 0 ? rateInput = 0 : rateInput; rateInput > 100 ? rateInput = 0 : rateIntput;"
    name="rateInput">
  <md-error>Required field</md-error>
</md-input-container>

The @Transactional annotation takes a timeout parameter where you can specify timeout in seconds for a specific method in the @RestController

@RequestMapping(value = "/method",
    method = RequestMethod.POST,
    produces = MediaType.APPLICATION_JSON_VALUE)
@Timed
@Transactional(timeout = 120)

Please run the below comments to update to Angular 6 from Angular 5

1. ng update @angular/cli
2. ng update @angular/core
3. npm install rxjs-compat (In order to support older version rxjs 5.6 )
4. npm install -g rxjs-tslint (To change from rxjs 5 to rxjs 6 format in code. Install globally then only will work)
5. rxjs-5-to-6-migrate -p src/tsconfig.app.json (After installing we have to change it in our source code to rxjs6 format)
6. npm uninstall rxjs-compat (Remove this finally)

Define an interface, and implement it in the class that will receive the callback.

Have attention to the multi-threading in your case.

Code example from http://cleancodedevelopment-qualityseal.blogspot.com.br/2012/10/understanding-callbacks-with-java.html

interface CallBack {                   //declare an interface with the callback methods, so you can use on more than one class and just refer to the interface
    void methodToCallBack();
}

class CallBackImpl implements CallBack {          //class that implements the method to callback defined in the interface
    public void methodToCallBack() {
        System.out.println("I've been called back");
    }
}

class Caller {

    public void register(CallBack callback) {
        callback.methodToCallBack();
    }

    public static void main(String[] args) {
        Caller caller = new Caller();
        CallBack callBack = new CallBackImpl();       //because of the interface, the type is Callback even thought the new instance is the CallBackImpl class. This alows to pass different types of classes that have the implementation of CallBack interface
        caller.register(callBack);
    }
} 

In your case, apart from multi-threading you could do like this:

interface ServerInterface {
    void newSeverConnection(Socket socket);
}

public class Server implements ServerInterface {

    public Server(int _address) {
        System.out.println("Starting Server...");
        serverConnectionHandler = new ServerConnections(_address, this);
        workers.execute(serverConnectionHandler);
        System.out.println("Do something else...");
    }

    void newServerConnection(Socket socket) {
        System.out.println("A function of my child class was called.");
    }

}

public class ServerConnections implements Runnable {

    private ServerInterface serverInterface;

    public ServerConnections(int _serverPort, ServerInterface _serverInterface) {
      serverPort = _serverPort;
      serverInterface = _serverInterface;
    }

    @Override
    public void run() {
        System.out.println("Starting Server Thread...");

        if (serverInterface == null) {
            System.out.println("Server Thread error: callback null");
        }

        try {
            mainSocket = new ServerSocket(serverPort);

            while (true) {
                serverInterface.newServerConnection(mainSocket.accept());
            }
        } catch (IOException ex) {
            Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

Multi-threading

Remember this does not handle multi-threading, this is another topic and can have various solutions depending on the project.

The observer-pattern

The observer-pattern does nearly this, the major difference is the use of an ArrayList for adding more than one listener. Where this is not needed, you get better performance with one reference.

Generally when people are trying to animate display: none what they really want is:

1. Fade content in, and
2. Have the item not take up space in the document when hidden

Most popular answers use visibility, which can only achieve the first goal, but luckily it's just as easy to achieve both by using position.

Since position: absolute removes the element from typing document flow spacing, you can toggle between position: absolute and position: static (global default), combined with opacity. See the below example.

.content-page {_x000D_
  position:absolute;_x000D_
  opacity: 0;_x000D_
}_x000D_
_x000D_
.content-page.active {_x000D_
  position: static;_x000D_
  opacity: 1;_x000D_
  transition: opacity 1s linear;_x000D_
}

You can not. You will / do break a lot of things. Like relationships. WHich rely on the number being pulled back which EF can not do in the way you set it up. THe price for breaking every pattern there is.

Generate the GUID in the C# layer, so that relationships can continue working.

Please give a try:

\Q and \E as anchors

Put an Or condition to match either a full word or regex.

Ref Link : How to match a whole word that includes special characters in regex

  <!DOCTYPE html>
    <html>
  <head>
  <style> 
   div {

   padding: 20px; 

   resize: both;
  overflow: auto;
   }
    img{
   height: 100%;
    width: 100%;
 object-fit: contain;
 }
 </style>
  </head>
  <body>
 <h1>The resize Property</h1>

 <div>
 <p>Let the user resize both the height and the width of this 1234567891011 div 
   element. 
  </p>
 <p>To resize: Click and drag the bottom right corner of this div element.</p>
  <img src="images/scenery.jpg" alt="Italian ">
  </div>

   <p><b>Note:</b> Internet Explorer does not support the resize property.</p>

 </body>
 </html>

When using "npm install" the modules are loaded and available throughout your application regardless of if they are "devDependencies" or "dependencies". Sum of this idea: everything which your package.json defines as a dependency (any type) gets installed to node_modules.

The purpose for the difference between dependencies/devDependencies/optionalDependencies is what consumers of your code can do w/ npm to install these resources.

Per the documentation: https://npmjs.org/doc/json.html...

If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that you use.

In this case, it's best to list these additional items in a devDependencies hash.

These things will be installed whenever the --dev configuration flag is set. This flag is set automatically when doing npm link or when doing npm install from the root of a package, and can be managed like any other npm configuration param. See config(1) for more on the topic.

However, to resolve this question, if you want to ONLY install the "dependencies" using npm, the following command is:

npm install --production

This can be confirmed by looking at the Git commit which added this filter (along with some other filters [listed below] to provide this functionality).

Alternative filters which can be used by npm:

--save          => updates dependencies entries in the {{{json}}} file
--force         => force fetching remote entries if they exist on disk 
--force-latest  => force latest version on conflict
--production    => do NOT install project devDependencies
--no-color      => do not print colors

@dmarr try using npm install --production

Just for the sake of completeness, here is a link to the golang documentation which describes all types. In your case it is numeric types:

uint8       the set of all unsigned  8-bit integers (0 to 255)
uint16      the set of all unsigned 16-bit integers (0 to 65535)
uint32      the set of all unsigned 32-bit integers (0 to 4294967295)
uint64      the set of all unsigned 64-bit integers (0 to 18446744073709551615)

int8        the set of all signed  8-bit integers (-128 to 127)
int16       the set of all signed 16-bit integers (-32768 to 32767)
int32       the set of all signed 32-bit integers (-2147483648 to 2147483647)
int64       the set of all signed 64-bit integers (-9223372036854775808 to 9223372036854775807)

float32     the set of all IEEE-754 32-bit floating-point numbers
float64     the set of all IEEE-754 64-bit floating-point numbers

complex64   the set of all complex numbers with float32 real and imaginary parts
complex128  the set of all complex numbers with float64 real and imaginary parts

byte        alias for uint8
rune        alias for int32

Which means that you need to use float64(integer_value).

Let me rewrite your question. so you might see the subject from a different perspective.

When I need to represent a football team, I understand that it is basically a name. Like: "The Eagles"

string team = new string();

Then later I realized teams also have players.

Why can't I just extend the string type so that it also holds a list of players?

Your point of entry into the problem is arbitrary. Try to think what does a team have (properties), not what it is.

After you do that, you could see if it shares properties with other classes. And think about inheritance.

Sometime when you downloading a project from other people, they might have some special customization. So, in my case I downloaded this project https://github.com/thecodercoder/fem-easybank

And got these errors: Failed to load resource: net::ERR_FILE_NOT_FOUND That happed because the creator was using the /dist folder customization.

https://youtu.be/aoQ6S1a32j8?t=309

SOLUTION: you open Notepad++ press: Ctrl + F for search find all folders that starts with / as in the picture and replace with norma ones like: /dist/ to dist

Simply you can use HttpRequest.headers from Django 2.2 onward. Following example is directly taken from the official Django Documentation under Request and response objects section.

>>> request.headers
{'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6', ...}

>>> 'User-Agent' in request.headers
True
>>> 'user-agent' in request.headers
True

>>> request.headers['User-Agent']
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)
>>> request.headers['user-agent']
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)

>>> request.headers.get('User-Agent')
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)
>>> request.headers.get('user-agent')
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)

Use the Trim method.

Here's a subquery for you!

List<int> IdsToFind = new List<int>() {2, 3, 4};

db.Users
.Where(u => SqlMethods.Like(u.LastName, "%fra%"))
.Where(u =>
    db.CompanyRolesToUsers
    .Where(crtu => IdsToFind.Contains(crtu.CompanyRoleId))
    .Select(crtu =>  crtu.UserId)
    .Contains(u.Id)
)

Regarding this portion of the question:

predicateAnd = predicateAnd.And(c => c.LastName.Contains(
                                TextBoxLastName.Text.Trim()));

I strongly recommend extracting the string from the textbox before authoring the query.

string searchString = TextBoxLastName.Text.Trim();
predicateAnd = predicateAnd.And(c => c.LastName.Contains( searchString));

You want to maintain good control over what gets sent to the database. In the original code, one possible reading is that an untrimmed string gets sent into the database for trimming - which is not good work for the database to be doing.

If you use the NetBeans IDE (latest version at this time is 6.5.1), you can use it to create a basic GUI java application using File->New Project and choose the Java category then Java Desktop Application.

Once created, you will have a simple bare bones GUI app which contains an about box that can be opened using a menu selection. You should be able to adapt this to your needs and learn how to open a dialog from a button click.

You will be able to edit the dialog visually. Delete the items that are there and add some text areas. Play around with it and come back with more questions if you get stuck :)

The JavaScript Object() constructor makes an Object that you can assign members to.

myObj = new Object()
myObj.key = value;
myObj[key2] = value2;   // Alternative

Found this post that may help: http://social.msdn.microsoft.com/forums/en-US/Vsexpressvc/thread/7c274008-80eb-42a0-a79b-95f5afbf6528/

Or shortly, afxwin.h is MFC and MFC is not included in the free version of VC++ (Express Edition).

As @jdi mentions Python documentation suggests to use str.join or io.StringIO for string concatenation. And says that a developer should expect quadratic time from += in a loop, even though there's an optimisation since Python 2.4. As this answer says:

If Python detects that the left argument has no other references, it calls realloc to attempt to avoid a copy by resizing the string in place. This is not something you should ever rely on, because it's an implementation detail and because if realloc ends up needing to move the string frequently, performance degrades to O(n^2) anyway.

I will show an example of real-world code that naively relied on += this optimisation, but it didn't apply. The code below converts an iterable of short strings into bigger chunks to be used in a bulk API.

def test_concat_chunk(seq, split_by):
    result = ['']
    for item in seq:
        if len(result[-1]) + len(item) > split_by: 
            result.append('')
        result[-1] += item
    return result

This code can literary run for hours because of quadratic time complexity. Below are alternatives with suggested data structures:

import io

def test_stringio_chunk(seq, split_by):
    def chunk():
        buf = io.StringIO()
        size = 0
        for item in seq:
            if size + len(item) <= split_by:
                size += buf.write(item)
            else:
                yield buf.getvalue()
                buf = io.StringIO()
                size = buf.write(item)
        if size:
            yield buf.getvalue()

    return list(chunk())

def test_join_chunk(seq, split_by):
    def chunk():
        buf = []
        size = 0
        for item in seq:
            if size + len(item) <= split_by:
                buf.append(item)
                size += len(item)
            else:
                yield ''.join(buf)                
                buf.clear()
                buf.append(item)
                size = len(item)
        if size:
            yield ''.join(buf)

    return list(chunk())

And a micro-benchmark:

import timeit
import random
import string
import matplotlib.pyplot as plt

line = ''.join(random.choices(
    string.ascii_uppercase + string.digits, k=512)) + '\n'
x = []
y_concat = []
y_stringio = []
y_join = []
n = 5
for i in range(1, 11):
    x.append(i)
    seq = [line] * (20 * 2 ** 20 // len(line))
    chunk_size = i * 2 ** 20
    y_concat.append(
        timeit.timeit(lambda: test_concat_chunk(seq, chunk_size), number=n) / n)
    y_stringio.append(
        timeit.timeit(lambda: test_stringio_chunk(seq, chunk_size), number=n) / n)
    y_join.append(
        timeit.timeit(lambda: test_join_chunk(seq, chunk_size), number=n) / n)
plt.plot(x, y_concat)
plt.plot(x, y_stringio)
plt.plot(x, y_join)
plt.legend(['concat', 'stringio', 'join'], loc='upper left')
plt.show()

A DBMS is used for storage of data in files. In DBMS relationships can be established between two files. Data is stored in flat files with metadata whereas RDBMS stores the data in tabular form with additional condition of data that enforces relationships among the tables. Unlike RDBMS, DBMS does not support client server architecture. RDBMS imposes integrity constraints and also follows normalization which is not supported in DBMS.

Here is a new example that works on windows 10. When using the windows10 sdk you have to use CreateProcessW instead. This example is commented and hopefully self explanatory.

#ifdef _WIN32
#include <Windows.h>
#include <iostream>
#include <stdio.h>
#include <tchar.h>
#include <cstdlib>
#include <string>
#include <algorithm>

class process
{
public:

    static PROCESS_INFORMATION launchProcess(std::string app, std::string arg)
    {

        // Prepare handles.
        STARTUPINFO si;
        PROCESS_INFORMATION pi; // The function returns this
        ZeroMemory( &si, sizeof(si) );
        si.cb = sizeof(si);
        ZeroMemory( &pi, sizeof(pi) );

        //Prepare CreateProcess args
        std::wstring app_w(app.length(), L' '); // Make room for characters
        std::copy(app.begin(), app.end(), app_w.begin()); // Copy string to wstring.

        std::wstring arg_w(arg.length(), L' '); // Make room for characters
        std::copy(arg.begin(), arg.end(), arg_w.begin()); // Copy string to wstring.

        std::wstring input = app_w + L" " + arg_w;
        wchar_t* arg_concat = const_cast<wchar_t*>( input.c_str() );
        const wchar_t* app_const = app_w.c_str();

        // Start the child process.
        if( !CreateProcessW(
            app_const,      // app path
            arg_concat,     // Command line (needs to include app path as first argument. args seperated by whitepace)
            NULL,           // Process handle not inheritable
            NULL,           // Thread handle not inheritable
            FALSE,          // Set handle inheritance to FALSE
            0,              // No creation flags
            NULL,           // Use parent's environment block
            NULL,           // Use parent's starting directory
            &si,            // Pointer to STARTUPINFO structure
            &pi )           // Pointer to PROCESS_INFORMATION structure
        )
        {
            printf( "CreateProcess failed (%d).\n", GetLastError() );
            throw std::exception("Could not create child process");
        }
        else
        {
            std::cout << "[          ] Successfully launched child process" << std::endl;
        }

        // Return process handle
        return pi;
    }

    static bool checkIfProcessIsActive(PROCESS_INFORMATION pi)
    {
        // Check if handle is closed
            if ( pi.hProcess == NULL )
            {
                printf( "Process handle is closed or invalid (%d).\n", GetLastError());
                return FALSE;
            }

        // If handle open, check if process is active
        DWORD lpExitCode = 0;
        if( GetExitCodeProcess(pi.hProcess, &lpExitCode) == 0)
        {
            printf( "Cannot return exit code (%d).\n", GetLastError() );
            throw std::exception("Cannot return exit code");
        }
        else
        {
            if (lpExitCode == STILL_ACTIVE)
            {
                return TRUE;
            }
            else
            {
                return FALSE;
            }
        }
    }

    static bool stopProcess( PROCESS_INFORMATION &pi)
    {
        // Check if handle is invalid or has allready been closed
            if ( pi.hProcess == NULL )
            {
                printf( "Process handle invalid. Possibly allready been closed (%d).\n");
                return 0;
            }

        // Terminate Process
            if( !TerminateProcess(pi.hProcess,1))
            {
                printf( "ExitProcess failed (%d).\n", GetLastError() );
                return 0;
            }

        // Wait until child process exits.
            if( WaitForSingleObject( pi.hProcess, INFINITE ) == WAIT_FAILED)
            {
                printf( "Wait for exit process failed(%d).\n", GetLastError() );
                return 0;
            }

        // Close process and thread handles.
            if( !CloseHandle( pi.hProcess ))
            {
                printf( "Cannot close process handle(%d).\n", GetLastError() );
                return 0;
            }
            else
            {
                pi.hProcess = NULL;
            }

            if( !CloseHandle( pi.hThread ))
            {
                printf( "Cannot close thread handle (%d).\n", GetLastError() );
                return 0;
            }
            else
            {
                 pi.hProcess = NULL;
            }
            return 1;
    }
};//class process
#endif //win32

Hopefully it helps someone: I ran into this error and the cause was wrong permission on the log folder for phpfpm, after changing it so phpfpm could write to it, everything was fine.

jQlite (angular's "jQuery" port) doesn't support lookup by classes.

One solution would be to include jQuery in your app.

Another is using QuerySelector or QuerySelectorAll:

link: function(scope, element, attrs) {
   console.log(element[0].querySelector('.list-scrollable'))
}

We use the first item in the element array, which is the HTML element. element.eq(0) would yield the same.

FIDDLE