Instead of [(ngModel)] you can use:

// view
<input type="date" #myDate [value]="demoUser.date | date:'yyyy-MM-dd'" (input)="demoUser.date=parseDate($event.target.value)" />

// controller
parseDate(dateString: string): Date {
    if (dateString) {
        return new Date(dateString);
    }
    return null;
}

You can also choose not to use parseDate function. In this case the date will be saved as string format like "2016-10-06" instead of Date type (I haven't tried whether this has negative consequences when manipulating the data or saving to database for example).

When you create an App, a file called styles.xml will be created in your res/values folder. If you change the styles, you can change the background, text color, etc for all your layouts. That way you don’t have to go into each individual layout and change the it manually.

styles.xml:

<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="Theme.AppBaseTheme" parent="@android:style/Theme.Light">
    <item name="android:editTextColor">#295055</item> 
    <item name="android:textColorPrimary">#295055</item>
    <item name="android:textColorSecondary">#295055</item>
    <item name="android:textColorTertiary">#295055</item>
    <item name="android:textColorPrimaryInverse">#295055</item>
    <item name="android:textColorSecondaryInverse">#295055</item>
    <item name="android:textColorTertiaryInverse">#295055</item>

     <item name="android:windowBackground">@drawable/custom_background</item>        
</style>

<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
    <!-- All customizations that are NOT specific to a particular API-level can go here. -->
</style>

parent="@android:style/Theme.Light" is Google’s native colors. Here is a reference of what the native styles are: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/core/res/res/values/themes.xml

The default Android style is also called “Theme”. So you calling it Theme probably confused the program.

name="Theme.AppBaseTheme" means that you are creating a style that inherits all the styles from parent="@android:style/Theme.Light". This part you can ignore unless you want to inherit from AppBaseTheme again. = <style name="AppTheme" parent="AppBaseTheme">

@drawable/custom_background is a custom image I put in the drawable’s folder. It is a 300x300 png image.

#295055 is a dark blue color.

My code changes the background and text color. For Button text, please look through Google’s native stlyes (the link I gave u above).

Then in Android Manifest, remember to include the code:

<application
android:theme="@style/Theme.AppBaseTheme">

CASE-1

In the below code I navigated to 3 different URLs and when the execution comes to navigate command, it navigated back to facebook home page.

public class FirefoxInvoke {
                @Test
                public static void browserInvoke()
                {
                    System.setProperty("webdriver.gecko.driver", "gecko-driver-path");
                WebDriver driver=new FirefoxDriver();
                System.out.println("Before"+driver.getTitle());
                driver.get("http://www.google.com");
                driver.get("http://www.facebook.com");
                driver.get("http://www.india.com");
                driver.navigate().back();
                driver.quit();
                }

                public static void main(String[] args) {
                    // TODO Auto-generated method stub
            browserInvoke();
                }

            }

CASE-2:

In below code, I have used navigate() instead of get(), but both the snippets(Case-1 and Case-2) are working exactly the same, just the case-2 execution time is less than of case-1

public class FirefoxInvoke {
                @Test
                public static void browserInvoke()
                {
                    System.setProperty("webdriver.gecko.driver", "gecko-driver-path");
                WebDriver driver=new FirefoxDriver();
                System.out.println("Before"+driver.getTitle());
                driver.navigate().to("http://www.google.com");
                driver.navigate().to("http://www.facebook.com");
                driver.navigate().to("http://www.india.com");
                driver.navigate().back();
                driver.quit();
                }

                public static void main(String[] args) {
                    // TODO Auto-generated method stub
            browserInvoke();
                }

            }

• So the main difference between get() and navigate() is, both are performing the same task but with the use of navigate() you can move back() or forward() in your session's history.
• navigate() is faster than get() because navigate() does not wait for the page to load fully or completely.

Here is a complete example showing how to use the ** operator to pass values from a dictionary as keyword arguments.

>>> def f(x=2):
...     print(x)
... 
>>> new_x = {'x': 4}
>>> f()        #    default value x=2
2
>>> f(x=3)     #   explicit value x=3
3
>>> f(**new_x) # dictionary value x=4 
4

If you are using CentOS or another Linux flavour then just do Ctrl+R at the prompt and type git.

If you keep hitting Ctrl+R this will do a reverse search through your history for commands that start with git

You can do it :

chmod +x PATH_TO_YOUR_SCRIPT/start_my_app 

then use this command

update-rc.d start_my_app defaults 100

Please see this page on Cyberciti.

JAXB is a reliable choice as it does xml to java classes mapping smoothely. But there are other frameworks available, here is one such:

https://code.google.com/p/xmappr/

'JavaType' works !! I was trying to unmarshall (deserialize) a List in json String to ArrayList java Objects and was struggling to find a solution since days.
Below is the code that finally gave me solution. Code:

JsonMarshallerUnmarshaller<T> {
    T targetClass;

    public ArrayList<T> unmarshal(String jsonString) {
        ObjectMapper mapper = new ObjectMapper();

        AnnotationIntrospector introspector = new JacksonAnnotationIntrospector();
        mapper.getDeserializationConfig()
            .withAnnotationIntrospector(introspector);

        mapper.getSerializationConfig()
            .withAnnotationIntrospector(introspector);
        JavaType type = mapper.getTypeFactory().
            constructCollectionType(
                ArrayList.class, 
                targetclass.getClass());

        try {
            Class c1 = this.targetclass.getClass();
            Class c2 = this.targetclass1.getClass();
            ArrayList<T> temp = (ArrayList<T>) 
                mapper.readValue(jsonString,  type);
            return temp ;
        } catch (JsonParseException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null ;
    }  
}

Try square braces with your $_COOKIE, not parenthesis. Like this:

<?php
if ($_COOKIE['CaptchaResponseValue'] == "false")
{
    header('Location: index.php');
    return;
}
?>

I also corrected your location header call a little too.

Posting this in an effort to help others with similar problems. I solved this issue with a five step approach -- save the context, translate the context, rotate the context, draw the text, then restore the context to its saved state.

I think of translations and transforms to the context as manipulating the coordinate grid overlaid on the canvas. By default the origin (0,0) starts in the upper left hand corner of the canvas. X increases from left to right, Y increases from top to bottom. If you make an "L" w/ your index finger and thumb on your left hand and hold it out in front of you with your thumb down, your thumb would point in the direction of increasing Y and your index finger would point in the direction of increasing X. I know it's elementary, but I find it helpful when thinking about translations and rotations. Here's why:

When you translate the context, you move the origin of the coordinate grid to a new location on the canvas. When you rotate the context, think of rotating the "L" you made with your left hand in a clockwise direction the amount indicated by the angle you specify in radians about the origin. When you strokeText or fillText, specify your coordinates in relation to the newly aligned axes. To orient your text so it's readable from bottom to top, you would translate to a position below where you want to start your labels, rotate by -90 degrees and fill or strokeText, offsetting each label along the rotated x axis. Something like this should work:

 context.save();
 context.translate(newx, newy);
 context.rotate(-Math.PI/2);
 context.textAlign = "center";
 context.fillText("Your Label Here", labelXposition, 0);
 context.restore();

.restore() resets the context back to the state it had when you called .save() -- handy for returning things back to "normal".

For Ubuntu i use this:

(exec PROG_SH &> /dev/null &)

regards

I think maybe you can try

python manage.py syncdb

Even sqlite3 need syncdb

sencondly, you can check your sql file name

it should look like xxx.s3db

In some cases it is critical to perform a more in-depth debugging to the problem before stopping a container or killing a process.

Consider following the checklist below:

1) Check you current docker compose environment
Run docker-compose ps.
If port is in use by another container, stop it with docker-compose stop <service-name-in-compose-file> or remove it by replacing stop with rm.

2) Check the containers running outside your current workspace
Run docker ps to see list of all containers running under your host.
If you find the port is in use by another container, you can stop it with docker stop <container-id>.
(*) Because you're not under the scope of the origin compose environment - it is a good practice first to use docker inspect to gather more information about the container that you're about to stop.

3) Check if port is used by other processes running on the host
For example if the port is 6379 run:

$ sudo netstat -ltnp | grep ':6379'
tcp        0      0 127.0.0.1:6379          0.0.0.0:*               LISTEN      915/redis-server 12 
tcp6       0      0 ::1:6379                :::*                    LISTEN      915/redis-server 12

(*) You can also use the lsof command which is mainly used to retrieve information about files that are opened by various processes (I suggest running netstat before that).

So, In case of the output above the PID is 915. Now you can run:

$ ps j 915
 PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
    1   915   915   915 ?           -1 Ssl    123   0:11 /usr/bin/redis-server 127.0.0.1:6379

And see the ID of the parent process (PPID) and the execution command.
You can also run: $ pstree -s <PID> to a visual display of the process and its related processes.

In our case we can see that the process probably is a daemon (PPID is 1) - In that case consider running:
A) $ cat /proc/<PID>/status in order to get a more in-depth information about the process like the number of threads spawned by the process, its capabilities, etc'.
B) $ systemctl status <PID> in order to see the systemd unit that caused the creation of a specific process. If the service is not critical - you can stop and disable the service.

4) Restart Docker service
Run: sudo service docker restart.

5) You reached this point and..
Only if its not placing your system at risk - consider restarting the server.

It means to interpret the string literally (that is, you cannot escape any characters within the string if you use the @ prefix). It enhances readability in cases where it can be used.

For example, if you were working with a UNC path, this:

@"\\servername\share\folder"

is nicer than this:

"\\\\servername\\share\\folder"

Simply run sudo dpkg-reconfigure mysql-server-5.7

You can find the version you have installed by running dpkg --get-selections | grep mysql-server

Not exactly the way to go about this, but if the situation is trivial and you value your time, you can try this for nullable types.

Foos[index] = null

and later check for null entries in your logic..

Assuming you have your hidden input in a jQuery object $myHidden, you then use JavaScript (not jQuery) to get the part after ?:

var myVal = $myHidden.val ();
var tmp = myVal.substr ( myVal.indexOf ( '?' ) + 1 ); // tmp now contains whatever is after ?

I use this way Express 4:

app.listen(1337, function(){
  console.log('Express listening on port', this.address().port);
});

By using this I don't need to use a separate variable for the listener/server.

The basic syntax of initializing pointer that points to multidimentional array is

type (*pointer)[1st dimension size][2nd dimension size][..] = &array_name

The the basic syntax for calling it is

(*pointer_name)[1st index][2nd index][...]

Here is a example:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
   // The multidimentional array...
   char balance[5][100] = {
       "Subham",
       "Messi"
   };

   char (*p)[5][100] = &balance; // Pointer initialization...

   printf("%s\n",(*p)[0]); // Calling...
   printf("%s\n",(*p)[1]); // Calling...

  return 0;
}

Output is:

Subham
Messi

It worked...

this.close_Button = (Button)this.findViewById(R.id.close);
   this.close_Button.setOnClickListener(new OnClickListener() {
     @Override
     public void onClick(View v) {
        finish();
     }
  });

finish() - Call this when your activity is done and should be closed. The ActivityResult is propagated back to whoever launched you via onActivityResult().

Simply delete your local master branch and recreate it like so:

git branch -D master
git checkout origin/master -b master

The absolute simplest example I can think of is to make incrementing an atomic operation.

With standard ints:

private volatile int counter;

public int getNextUniqueIndex() {
    return counter++; // Not atomic, multiple threads could get the same result
}

With AtomicInteger:

private AtomicInteger counter;

public int getNextUniqueIndex() {
    return counter.getAndIncrement();
}

The latter is a very simple way to perform simple mutations effects (especially counting, or unique-indexing), without having to resort to synchronizing all access.

More complex synchronization-free logic can be employed by using compareAndSet() as a type of optimistic locking - get the current value, compute result based on this, set this result iff value is still the input used to do the calculation, else start again - but the counting examples are very useful, and I'll often use AtomicIntegers for counting and VM-wide unique generators if there's any hint of multiple threads being involved, because they're so easy to work with I'd almost consider it premature optimisation to use plain ints.

While you can almost always achieve the same synchronization guarantees with ints and appropriate synchronized declarations, the beauty of AtomicInteger is that the thread-safety is built into the actual object itself, rather than you needing to worry about the possible interleavings, and monitors held, of every method that happens to access the int value. It's much harder to accidentally violate threadsafety when calling getAndIncrement() than when returning i++ and remembering (or not) to acquire the correct set of monitors beforehand.

Put the characters as the thisArg in the map function will create a "one-liner":

Array.apply(null, Array(5))
.map(function(){ 
    return this[Math.floor(Math.random()*this.length)];
}, "abcdefghijklmnopqrstuvwxyz")
.join('');

__file__ is absolute since Python 3.4, except when executing a script directly using a relative path:

Module __file__ attributes (and related values) should now always contain absolute paths by default, with the sole exception of __main__.__file__ when a script has been executed directly using a relative path. (Contributed by Brett Cannon in bpo-18416.)

Not sure if it resolves symlinks though.

Example of passing a relative path:

$ python script.py

From the command prompt, use the Windows "sc.exe" utility. You will run something like this:

sc delete <service-name>

Can anyone tell me the advantage of the synchronized method over the synchronized block with an example? Thanks.

There is not a clear advantage of using synchronized method over the block.

Perhaps the only one ( but I wouldn't call it an advantage ) is you don't need to include the object reference this.

Method:

public synchronized void method() { // blocks "this" from here.... 
    ...
    ...
    ...
} // to here

Block:

public void method() { 
    synchronized( this ) { // blocks "this" from here .... 
        ....
        ....
        ....
    }  // to here...
}

See? No advantage at all.

Blocks do have advantages over methods though, mostly in flexibility because you can use another object as lock whereas syncing the method would lock the entire object.

Compare:

// locks the whole object
... 
private synchronized void someInputRelatedWork() {
    ... 
}
private synchronized void someOutputRelatedWork() {
    ... 
}

vs.

// Using specific locks
Object inputLock = new Object();
Object outputLock = new Object();

private void someInputRelatedWork() {
    synchronized(inputLock) { 
        ... 
    } 
}
private void someOutputRelatedWork() {
    synchronized(outputLock) { 
        ... 
    }
}

Also if the method grows you can still keep the synchronized section separated:

 private void method() {
     ... code here
     ... code here
     ... code here
    synchronized( lock ) { 
        ... very few lines of code here
    }
     ... code here
     ... code here
     ... code here
     ... code here
}

Here is how it all changes in seconds... in your "manifest.xml" find "android:label=" in front of it just type your new name inside "" for example: android:label="My new name"

Its done! your welcome ;)

[Joke mode on]

You can fix this by adding this:

https://github.com/donavon/undefined-is-a-function

import { undefined } from 'undefined-is-a-function';
// Fixed! undefined is now a function.

[joke mode off]

In SQL Server 2012 it is possible to use FORMAT(@mydate, 'MMMM') AS MonthName

Since 1.10 release, you can now add multiple tags at once on build:

docker build -t name1:tag1 -t name1:tag2 -t name2 .

Source: Add ability to add multiple tags with docker build

In Linux it's more likely that extensions to existing editors will be more mature than entirely new ones. Thus, the two stalwarts (vi and emacs) are likely to have packages available.

EDIT: Indeed, here's the vi one:

http://vim-latex.sourceforge.net/

... and here's the emacs one:

http://www.gnu.org/software/auctex/

I have to say, I'm a vi man, but the emacs package looks rather spiffy: it includes the ability to embed preview images of formulas in your emacs buffer.

SQLFiddle will let you test out your queries, while it doesn't explicitly correct syntax etc. per se it does let you play around with the script and will definitely let you know if things are working or not.

I wrote this a while ago and really happy with it. Feel free to use it.

It takes an index and total and optionally title or bar_length. Once done, replaces the hour glass with a check-mark.

? Calculating: [¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦] 18.0% done

? Calculating: [¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦¦] 100.0% done

I included an example that can be run to test it.

import sys
import time

def print_percent_done(index, total, bar_len=50, title='Please wait'):
    '''
    index is expected to be 0 based index. 
    0 <= index < total
    '''
    percent_done = (index+1)/total*100
    percent_done = round(percent_done, 1)

    done = round(percent_done/(100/bar_len))
    togo = bar_len-done

    done_str = '¦'*int(done)
    togo_str = '¦'*int(togo)

    print(f'\t?{title}: [{done_str}{togo_str}] {percent_done}% done', end='\r')

    if round(percent_done) == 100:
        print('\t?')


r = 50
for i in range(r):
    print_percent_done(i,r)
    time.sleep(.02)

I also have a version with responsive progress bar depending on the terminal width using shutil.get_terminal_size() if that is of interest.

(boolean)json_decode(strtolower($string))

It handles all possible variants of $string

'true'  => true
'True'  => true
'1'     => true
'false' => false
'False' => false
'0'     => false
'foo'   => false
''      => false

You need to set$final[$id] to an array before adding elements to it. Intiialize it with either

$final[$id] = array();
$final[$id][0] = 3;
$final[$id]['link'] = "/".$row['permalink'];
$final[$id]['title'] = $row['title'];

or

$final[$id] = array(0 => 3);
$final[$id]['link'] = "/".$row['permalink'];
$final[$id]['title'] = $row['title'];

You can use one of the following technique to remove the last comma(,)

Solution1:

$string = "'name', 'name2', 'name3',";  // this is the full string or text.
$string = chop($string,",");            // remove the last character (,) and store the updated value in $string variable.
echo $string;                           // to print update string.

Solution 2:

$string = '10,20,30,';              // this is the full string or text.
$string = rtrim($string,',');
echo $string;                       // to print update string.

Solution 3:

 $string = "'name', 'name2', 'name3',";  // this is the full string or text.
 $string = substr($string , 0, -1);
 echo $string;  

TL;DR:

Please refer to the glossary: hash() is used as a shortcut to comparing objects, an object is deemed hashable if it can be compared to other objects. that is why we use hash(). It's also used to access dict and set elements which are implemented as resizable hash tables in CPython.

Technical considerations

• usually comparing objects (which may involve several levels of recursion) is expensive.
• preferably, the hash() function is an order of magnitude (or several) less expensive.
• comparing two hashes is easier than comparing two objects, this is where the shortcut is.

If you read about how dictionaries are implemented, they use hash tables, which means deriving a key from an object is a corner stone for retrieving objects in dictionaries in O(1). That's however very dependent on your hash function to be collision-resistant. The worst case for getting an item in a dictionary is actually O(n).

On that note, mutable objects are usually not hashable. The hashable property means you can use an object as a key. If the hash value is used as a key and the contents of that same object change, then what should the hash function return? Is it the same key or a different one? It depends on how you define your hash function.

Learning by example:

Imagine we have this class:

>>> class Person(object):
...     def __init__(self, name, ssn, address):
...         self.name = name
...         self.ssn = ssn
...         self.address = address
...     def __hash__(self):
...         return hash(self.ssn)
...     def __eq__(self, other):
...         return self.ssn == other.ssn
... 

Please note: this is all based on the assumption that the SSN never changes for an individual (don't even know where to actually verify that fact from authoritative source).

And we have Bob:

>>> bob = Person('bob', '1111-222-333', None)

Bob goes to see a judge to change his name:

>>> jim = Person('jim bo', '1111-222-333', 'sf bay area')

This is what we know:

>>> bob == jim
True

But these are two different objects with different memory allocated, just like two different records of the same person:

>>> bob is jim
False

Now comes the part where hash() is handy:

>>> dmv_appointments = {}
>>> dmv_appointments[bob] = 'tomorrow'

Guess what:

>>> dmv_appointments[jim] #?
'tomorrow'

From two different records you are able to access the same information. Now try this:

>>> dmv_appointments[hash(jim)]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 9, in __eq__
AttributeError: 'int' object has no attribute 'ssn'
>>> hash(jim) == hash(hash(jim))
True

What just happened? That's a collision. Because hash(jim) == hash(hash(jim)) which are both integers btw, we need to compare the input of __getitem__ with all items that collide. The builtin int does not have an ssn attribute so it trips.

>>> del Person.__eq__
>>> dmv_appointments[bob]
'tomorrow'
>>> dmv_appointments[jim]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
KeyError: <__main__.Person object at 0x7f611bd37110>

In this last example, I show that even with a collision, the comparison is performed, the objects are no longer equal, which means it successfully raises a KeyError.

From @Ben Bolker:

[T]his has nothing specifically to do with dplyr::filter()

From @Marat Talipov:

[A]ny comparison with NA, including NA==NA, will return NA

From a related answer by @farnsy:

The == operator does not treat NA's as you would expect it to.

Think of NA as meaning "I don't know what's there". The correct answer to 3 > NA is obviously NA because we don't know if the missing value is larger than 3 or not. Well, it's the same for NA == NA. They are both missing values but the true values could be quite different, so the correct answer is "I don't know."

R doesn't know what you are doing in your analysis, so instead of potentially introducing bugs that would later end up being published an embarrassing you, it doesn't allow comparison operators to think NA is a value.

if (StartDate < EndDate)
   // code

if you just want the dates, and not the time

if (StartDate.Date < EndDate.Date)
    // code

I had the same error, but for me, it was attributed to having a database and a table that were named the same. When I added the ADO .NET Entity Object to my project, it misgenerated what I wanted in my database context file:

// Table
public virtual DbSet<OBJ> OBJs { get; set; }

which should've been:

public virtual DbSet<OBJ> OBJ { get; set; }

And

// Database?
public object OBJ { get; internal set; }

which I actually didn't really need, so I commented it out.

I was trying to pull in my table like this, in my controller, when I got my error:

protected Model1 db = new Model1();

public ActionResult Index()
{
    var obj =
        from p in db.OBJ
        orderby p.OBJ_ID descending
        select p;

    return View(obj);
}

I corrected my database context and all was fine, after that.

It doesn't half search time, that wouldn't make it log(n). It decreases it logarithmicly. Think about this for a moment. If you had 128 entries in a table and had to search linearly for your value, it would probably take around 64 entries on average to find your value. That's n/2 or linear time. With a binary search, you eliminate 1/2 the possible entries each iteration, such that at most it would only take 7 compares to find your value (log base 2 of 128 is 7 or 2 to the 7 power is 128.) This is the power of binary search.

Write a custom template filter:

from django.template.defaulttags import register
...
@register.filter
def get_item(dictionary, key):
    return dictionary.get(key)

(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will raise a KeyError then.)

usage:

{{ mydict|get_item:item.NAME }}

Apply the reverse function to the range to iterate backwards:

For Swift 1.2 and earlier:

// Print 10 through 1
for i in reverse(1...10) {
    println(i)
}

It also works with half-open ranges:

// Print 9 through 1
for i in reverse(1..<10) {
    println(i)
}

Note: reverse(1...10) creates an array of type [Int], so while this might be fine for small ranges, it would be wise to use lazy as shown below or consider the accepted stride answer if your range is large.

To avoid creating a large array, use lazy along with reverse(). The following test runs efficiently in a Playground showing it is not creating an array with one trillion Ints!

Test:

var count = 0
for i in lazy(1...1_000_000_000_000).reverse() {
    if ++count > 5 {
        break
    }
    println(i)
}

For Swift 2.0 in Xcode 7:

for i in (1...10).reverse() {
    print(i)
}

Note that in Swift 2.0, (1...1_000_000_000_000).reverse() is of type ReverseRandomAccessCollection<(Range<Int>)>, so this works fine:

var count = 0
for i in (1...1_000_000_000_000).reverse() {
    count += 1
    if count > 5 {
        break
    }
    print(i)
}

For Swift 3.0 reverse() has been renamed to reversed():

for i in (1...10).reversed() {
    print(i) // prints 10 through 1
}

Yes, you can find out element by data attribute.

element = $('a[data-item-id="stand-out"]');

There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API:

1. (DEPRECATED) The mysql functions are procedural and use manual escaping.
2. MySQLi is a replacement for the mysql functions, with object-oriented and procedural versions. It has support for prepared statements.
3. PDO (PHP Data Objects) is a general database abstraction layer with support for MySQL among many other databases. It provides prepared statements, and significant flexibility in how data is returned.

I would recommend using PDO with prepared statements. It is a well-designed API and will let you more easily move to another database (including any that supports ODBC) if necessary.

You can use the set() function to convert an iterable into a set, and then use standard set update operator (|=) to add the unique values from your new set into the existing one.

>>> a = { 1, 2, 3 }
>>> b = ( 3, 4, 5 )
>>> a |= set(b)
>>> a
set([1, 2, 3, 4, 5])

This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.

Shortly, there is no reason to pass by value, unless the goal is to share ownership of an object (eg. between different data structures, or between different threads).

Unless you can move-optimise it as explained by Scott Meyers in the talk video linked above, but that is related to actual version of C++ you can use.

A major update to this discussion has happened during GoingNative 2012 conference's Interactive Panel: Ask Us Anything! which is worth watching, especially from 22:50.

You can use the dict.fromkeys class method ...

>>> dict.fromkeys(range(5), True)
{0: True, 1: True, 2: True, 3: True, 4: True}

This is the fastest way to create a dictionary where all the keys map to the same value.

But do not use this with mutable objects:

d = dict.fromkeys(range(5), [])
# {0: [], 1: [], 2: [], 3: [], 4: []}
d[1].append(2)
# {0: [2], 1: [2], 2: [2], 3: [2], 4: [2]} !!!

If you don't actually need to initialize all the keys, a defaultdict might be useful as well:

from collections import defaultdict
d = defaultdict(True)

To answer the second part, a dict-comprehension is just what you need:

{k: k for k in range(10)}

You probably shouldn't do this but you could also create a subclass of dict which works somewhat like a defaultdict if you override __missing__:

>>> class KeyDict(dict):
...    def __missing__(self, key):
...       #self[key] = key  # Maybe add this also?
...       return key
... 
>>> d = KeyDict()
>>> d[1]
1
>>> d[2]
2
>>> d[3]
3
>>> print(d)
{}

'parent.relativePath' points at wrong local POM @ myGroup:myParentArtifactId:1.0, C:\myProjectDir\parent\pom.xml

This indicates that maven did search locally for the parent pom, but found that it was not the correct pom.

• Does pom.xml of parentpom correctly define the parent pom as the pom.xml of rootpom?
• Does rootpom folder contain pom.xml as well as the paretpom folder?

Put the name of the column begin returned from the database where "ColumnName" is. If it is a string, you can use .ToString(). If it is another type, you need to convert it using System.Convert.

SqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
    string column = rdr["ColumnName"].ToString();
    int columnValue = Convert.ToInt32(rdr["ColumnName"]);
}

I have found this way of reading strings from files to work best for me

String st, full;
full="";
BufferedReader br = new BufferedReader(new FileReader(URL));
while ((st=br.readLine())!=null) {
    full+=st;
}

"full" will be the completed combination of all of the lines. If you want to add a line break between the lines of text you would do full+=st+"\n";

From a comment:

I want to sort each set.

That's easy. For any set s (or anything else iterable), sorted(s) returns a list of the elements of s in sorted order:

>>> s = set(['0.000000000', '0.009518000', '10.277200999', '0.030810999', '0.018384000', '4.918560000'])
>>> sorted(s)
['0.000000000', '0.009518000', '0.018384000', '0.030810999', '10.277200999', '4.918560000']

Note that sorted is giving you a list, not a set. That's because the whole point of a set, both in mathematics and in almost every programming language,* is that it's not ordered: the sets {1, 2} and {2, 1} are the same set.

You probably don't really want to sort those elements as strings, but as numbers (so 4.918560000 will come before 10.277200999 rather than after).

The best solution is most likely to store the numbers as numbers rather than strings in the first place. But if not, you just need to use a key function:

>>> sorted(s, key=float)
['0.000000000', '0.009518000', '0.018384000', '0.030810999', '4.918560000', '10.277200999']

For more information, see the Sorting HOWTO in the official docs.

* See the comments for exceptions.

From what I've found online, this is a bug introduced in JDK 1.7.0_45. It appears to also be present in JDK 1.7.0_60. A bug report on Oracle's website states that, while there was a fix, it was removed before the JDK was released. I do not know why the fix was removed, but it confirms what we've already suspected -- the JDK is still broken.

The bug report claims that the error is benign and should not cause any run-time problems, though one of the comments disagrees with that. In my own experience, I have been able to work without any problems using JDK 1.7.0_60 despite seeing the message.

If this issue is causing serious problems, here are a few things I would suggest:

• Revert back to JDK 1.7.0_25 until a fix is added to the JDK.

• Keep an eye on the bug report so that you are aware of any work being done on this issue. Maybe even add your own comment so Oracle is aware of the severity of the issue.

• Try the JDK early releases as they come out. One of them might fix your problem.

Instructions for installing the JDK on Mac OS X are available at JDK 7 Installation for Mac OS X. It also contains instructions for removing the JDK.

Now, it is 2012, and jQuery has append and prepend functions that do exactly this, add content without effecting current content. Very useful.

I like one-line notation for GCD, it's more elegant:

    DispatchQueue.main.asyncAfter(deadline: .now() + 42.0) {
        // do stuff 42 seconds later
    }

Also, in iOS 10 we have new Timer methods, e.g. block initializer:

(so delayed action may be canceled)

    let timer = Timer.scheduledTimer(withTimeInterval: 42.0, repeats: false) { (timer) in
        // do stuff 42 seconds later
    }

Btw, keep in mind: by default, timer is added to the default run loop mode. It means timer may be frozen when the user is interacting with the UI of your app (for example, when scrolling a UIScrollView) You can solve this issue by adding the timer to the specific run loop mode:

RunLoop.current.add(timer, forMode: .common)

At this blog post you can find more details.

From the PHP Manual:

Warning This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide. Alternatives to this function include:

mysqli_connect()

PDO::__construct()

use MySQLi or PDO

<?php
$con = mysqli_connect('localhost', 'username', 'password', 'database');

The NSURLErrorDomain error codes are listed here https://developer.apple.com/documentation/foundation/1508628-url_loading_system_error_codes

However, 400 is just the http status code (http://www.w3.org/Protocols/HTTP/HTRESP.html) being returned which means you've got something wrong with your request.

I ended up using Javascript to perfect everything.

My JS fiddle: https://jsfiddle.net/QEpJH/612/

HTML:

<div class="container">
    <img src="http://placekitten.com/240/300">
</div>

<h3 style="clear: both;">Full Size Image - For Reference</h3>
<img src="http://placekitten.com/240/300">

CSS:

.container {
    background-color:#000;
    width:100px;
    height:200px;

    display:flex;
    justify-content:center;
    align-items:center;
    overflow:hidden;

}

JS:

$(".container").each(function(){
    var divH = $(this).height()
    var divW = $(this).width()
    var imgH = $(this).children("img").height();
    var imgW = $(this).children("img").width();

    if ( (imgW/imgH) < (divW/divH)) { 
        $(this).addClass("1");
        var newW = $(this).width();
        var newH = (newW/imgW) * imgH;
        $(this).children("img").width(newW); 
        $(this).children("img").height(newH); 
    } else {
        $(this).addClass("2");
        var newH = $(this).height();
        var newW = (newH/imgH) * imgW;
        $(this).children("img").width(newW); 
        $(this).children("img").height(newH); 
    }
})

This should be faster than iterating and will work regardless of shape.

numpy.isnan(myarray).any()

Edit: 30x faster:

import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
    'numpy.isnan(a).any()',
    'any(numpy.isnan(x) for x in a.flatten())']
for m in ms:
    print "  %.2f s" % timeit.Timer(m, s).timeit(1000), m

Results:

  0.11 s numpy.isnan(a).any()
  3.75 s any(numpy.isnan(x) for x in a.flatten())

Bonus: it works fine for non-array NumPy types:

>>> a = numpy.float64(42.)
>>> numpy.isnan(a).any()
False
>>> a = numpy.float64(numpy.nan)
>>> numpy.isnan(a).any()
True

Kyril's answer is best considering you need to be able to handle newlines on different machines.

"I'm mostly looking for useful PHP functions, not an algorithm for how to do it. Any suggestions?"

I use these a lot:

• explode() can be used to split a string into an array, given a single delimiter.
• implode() is explode's counterpart, to go from array back to string.

Your onCreate() method has several huge flaws:

1) onCreate prepares your Activity - so nothing that you do here will be made visible to the user until this method finishes! For example - you will never be able to alter a TextView's text here more than ONE time as only the last change will be drawn and thus visible to the user!

2) Keep in mind that an Android program will - by default - run in ONE thread only! Thus: never use Thread.sleep() or Thread.wait() in your main thread which is responsible for your UI! (read "Keep your App Responsive" for further information!)

What your initialization of your Activity does is:

• for no reason you create a new TextView object t!
• you pick your layout's TextView in the variable t later.
• you set the text of t (but keep in mind: it will be displayed only after onCreate() finishes and the main event loop of your application runs!)
• you wait for 10 seconds within your onCreate method - this must never be done as it stops all UI activity and will definitely force an ANR (Application Not Responding, see link above!)
• then you set another text - this one will be displayed as soon as your onCreate() method finishes and several other Activity lifecycle methods have been processed!

The solution:

1. Set text only once in onCreate() - this must be the first text that should be visible.

2. Create a Runnable and a Handler

   private final Runnable mUpdateUITimerTask = new Runnable() {
       public void run() {
           // do whatever you want to change here, like:
           t.setText("Second text to display!");
       }
   };
   private final Handler mHandler = new Handler();
   

3. install this runnable as a handler, possible in onCreate() (but read my advice below):

   // run the mUpdateUITimerTask's run() method in 10 seconds from now
   mHandler.postDelayed(mUpdateUITimerTask, 10 * 1000);
   

Advice: be sure you know an Activity's lifecycle! If you do stuff like that in onCreate()this will only happen when your Activity is created the first time! Android will possibly keep your Activity alive for a longer period of time, even if it's not visible! When a user "starts" it again - and it is still existing - you will not see your first text anymore!

=> Always install handlers in onResume() and disable them in onPause()! Otherwise you will get "updates" when your Activity is not visible at all! In your case, if you want to see your first text again when it is re-activated, you must set it in onResume(), not onCreate()!

I added a parameterless constructor to the model inside of DOMAIN Folder, and the problem is solved.

 public User()
        {

        }

In your case all you need to do is to find object in array and use Array.prototype.splice() method, read more details here:

var arr = [{id: 1, name: "Person 1"}, {id:2, name:"Person 2"}];_x000D_
_x000D_
// Find item index using _.findIndex (thanks @AJ Richardson for comment)_x000D_
var index = _.findIndex(arr, {id: 1});_x000D_
_x000D_
// Replace item at index using native splice_x000D_
arr.splice(index, 1, {id: 100, name: 'New object.'});_x000D_
_x000D_
// "console.log" result_x000D_
document.write(JSON.stringify( arr ));

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.min.js"></script>

THIS WORKS FOR DUPLICATING ONE ROW ONLY

• Select your ONE row from your table
• Fetch all associative
• unset the ID row (Unique Index key)
• Implode the array[0] keys into the column names
• Implode the array[0] values into the column values
• Run the query

The code:

 $qrystr = "SELECT * FROM mytablename  WHERE id= " . $rowid;
 $qryresult = $this->connection->query($qrystr);
 $result = $qryresult->fetchAll(PDO::FETCH_ASSOC);
 unset($result[0]['id']); //Remove ID from array
 $qrystr = " INSERT INTO mytablename";
 $qrystr .= " ( " .implode(", ",array_keys($result[0])).") ";
 $qrystr .= " VALUES ('".implode("', '",array_values($result[0])). "')";
 $result = $this->connection->query($qrystr);
 return $result;

Of course you should use PDO:bindparam and check your variables against attack, etc but gives the example

additional info

If you have a problem with handling NULL values, you can use following codes so that imploding names and values only for whose value is not NULL.

foreach ($result[0] as $index => $value) {
    if ($value === null) unset($result[0][$index]);
}

Store scroll length in a global variable and restore it when needed!

var sctollTop_length = 0;

function scroll_pause(){
  sctollTop_length = $(window).scrollTop();
  $("body").css("overflow", "hidden");
}

function scroll_resume(){
  $("body").css("overflow", "auto");
  $(window).scrollTop(sctollTop_length);
}

But does it work in Chrome?

Float each div and set clear;both for the row. No need to set widths if you dont want to. Works in Chrome 41,Firefox 37, IE 11

Click for JS Fiddle

HTML

<div class="stack">
    <div class="row">
        <div class="col">
            One
        </div>
        <div class="col">
            Two
        </div>
    </div>
        <div class="row">
        <div class="col">
            One
        </div>
        <div class="col">
            Two
        </div>
                    <div class="col">
            Three
        </div>
    </div>
</div>

CSS

.stack .row { 
clear:both;

}
.stack .row  .col    {
    float:left;
      border:1px solid;

}

u should add a theme to ur all activities (u should add theme for all application in ur <application> in ur manifest) but if u have set different theme to ur activity u can use :

 android:theme="@style/Theme.AppCompat"

or each kind of AppCompat theme!

Another way to do this is:

// inflate the layout
View myLayout = LayoutInflater.from(this).inflate(R.layout.MY_LAYOUT,null);

// load the text view
TextView myView = (TextView) myLayout.findViewById(R.id.MY_VIEW);

More options:

you can also change the group title by overriding "textColorSecondary"

In your styles.xml

<style name="AppTheme.NavigationView">
    <item name="android:textColorSecondary">#FFFFFF</item>
</style>

In your layout

<android.support.design.widget.NavigationView
    android:id="@+id/nav_view"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:fitsSystemWindows="true"
    app:menu="@menu/activity_main_menu_drawer_drawer"
    android:theme="@style/AppTheme.NavigationView"
    app:itemIconTint="@color/colorPrimary"
    app:itemTextColor="@color/white"/>

Late answer but showing one more possibility...

Cumulative Sum generation can be more optimized with the CROSS APPLY logic.

Works better than the INNER JOIN & OVER Clause when analyzed the actual query plan ...

/* Create table & populate data */
IF OBJECT_ID('tempdb..#TMP') IS NOT NULL
DROP TABLE #TMP 

SELECT * INTO #TMP 
FROM (
SELECT 1 AS id
UNION 
SELECT 2 AS id
UNION 
SELECT 3 AS id
UNION 
SELECT 4 AS id
UNION 
SELECT 5 AS id
) Tab


/* Using CROSS APPLY 
Query cost relative to the batch 17%
*/    
SELECT   T1.id, 
         T2.CumSum 
FROM     #TMP T1 
         CROSS APPLY ( 
         SELECT   SUM(T2.id) AS CumSum 
         FROM     #TMP T2 
         WHERE    T1.id >= T2.id
         ) T2

/* Using INNER JOIN 
Query cost relative to the batch 46%
*/
SELECT   T1.id, 
         SUM(T2.id) CumSum
FROM     #TMP T1
         INNER JOIN #TMP T2
                 ON T1.id > = T2.id
GROUP BY T1.id

/* Using OVER clause
Query cost relative to the batch 37%
*/
SELECT   T1.id, 
         SUM(T1.id) OVER( PARTITION BY id)
FROM     #TMP T1

Output:-
  id       CumSum
-------   ------- 
   1         1
   2         3
   3         6
   4         10
   5         15

A shorthand answer assuming import matplotlib.pyplot as plt:

plt.gca().set_title('title')

as in:

plt.subplot(221)
plt.gca().set_title('title')
plt.subplot(222)
etc...

Then there is no need for superfluous variables.

I have tuned up previous code a little bit. First of all range.Changed hasn't work for me. After I changed range.Changed to richTextBox.TextChanged it turns out that TextChanged event handler can invoke SetDocumentXaml recursively, so I've provided protection against it. I also used XamlReader/XamlWriter instead of TextRange.

public class RichTextBoxHelper : DependencyObject
{
    private static HashSet<Thread> _recursionProtection = new HashSet<Thread>();

    public static string GetDocumentXaml(DependencyObject obj)
    {
        return (string)obj.GetValue(DocumentXamlProperty);
    }

    public static void SetDocumentXaml(DependencyObject obj, string value)
    {
        _recursionProtection.Add(Thread.CurrentThread);
        obj.SetValue(DocumentXamlProperty, value);
        _recursionProtection.Remove(Thread.CurrentThread);
    }

    public static readonly DependencyProperty DocumentXamlProperty = DependencyProperty.RegisterAttached(
        "DocumentXaml", 
        typeof(string), 
        typeof(RichTextBoxHelper), 
        new FrameworkPropertyMetadata(
            "", 
            FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
            (obj, e) => {
                if (_recursionProtection.Contains(Thread.CurrentThread))
                    return;

                var richTextBox = (RichTextBox)obj;

                // Parse the XAML to a document (or use XamlReader.Parse())

                try
                {
                    var stream = new MemoryStream(Encoding.UTF8.GetBytes(GetDocumentXaml(richTextBox)));
                    var doc = (FlowDocument)XamlReader.Load(stream);

                    // Set the document
                    richTextBox.Document = doc;
                }
                catch (Exception)
                {
                    richTextBox.Document = new FlowDocument();
                }

                // When the document changes update the source
                richTextBox.TextChanged += (obj2, e2) =>
                {
                    RichTextBox richTextBox2 = obj2 as RichTextBox;
                    if (richTextBox2 != null)
                    {
                        SetDocumentXaml(richTextBox, XamlWriter.Save(richTextBox2.Document));
                    }
                };
            }
        )
    );
}

The problem obviously was (as you figured it out) that port 36250 wasn't open on the server side at the time you tried to connect (hence connection refused). I can see the server was supposed to open this socket after receiving SEND command on another connection, but it apparently was "not opening [it] up in sync with the client side".

Well, the main reason would be there was no synchronisation whatsoever. Calling:

cs.send("SEND " + FILE)
cs.close()

would just place the data into a OS buffer; close would probably flush the data and push into the network, but it would almost certainly return before the data would reach the server. Adding sleep after close might mitigate the problem, but this is not synchronisation.

The correct solution would be to make sure the server has opened the connection. This would require server sending you some message back (for example OK, or better PORT 36250 to indicate where to connect). This would make sure the server is already listening.

The other thing is you must check the return values of send to make sure how many bytes was taken from your buffer. Or use sendall.

(Sorry for disturbing with this late answer, but I found this to be a high traffic question and I really didn't like the sleep idea in the comments section.)

try this:

ls -ltraR |egrep -v '\.$|\.\.|\.:|\.\/|total' |sed '/^$/d'

Here's my take if you want to try using multiprocesses to process each row of numpy array,

from multiprocessing import Pool
import numpy as np

def my_function(x):
    pass     # do something and return something

if __name__ == '__main__':    
    X = np.arange(6).reshape((3,2))
    pool = Pool(processes = 4)
    results = pool.map(my_function, map(lambda x: x, X))
    pool.close()
    pool.join()

pool.map take in a function and an iterable.
I used 'map' function to create an iterator over each rows of the array.
Maybe there's a better to create the iterable though.

Function MkDir(ByVal strDir As String)
    Dim fso: Set fso = CreateObject("Scripting.FileSystemObject")
    If Not fso.FolderExists(strDir) Then
        ' create parent folder if not exist (recursive)
        MkDir (fso.GetParentFolderName(strDir))
        ' doesn't exist, so create the folder
        fso.CreateFolder strDir
    End If
End Function

Static classes can be useful in certain situations, but there is a potential to abuse and/or overuse them, like most language features.

As Dylan Smith already mentioned, the most obvious case for using a static class is if you have a class with only static methods. There is no point in allowing developers to instantiate such a class.

The caveat is that an overabundance of static methods may itself indicate a flaw in your design strategy. I find that when you are creating a static function, its a good to ask yourself -- would it be better suited as either a) an instance method, or b) an extension method to an interface. The idea here is that object behaviors are usually associated with object state, meaning the behavior should belong to the object. By using a static function you are implying that the behavior shouldn't belong to any particular object.

Polymorphic and interface driven design are hindered by overusing static functions -- they cannot be overriden in derived classes nor can they be attached to an interface. Its usually better to have your 'helper' functions tied to an interface via an extension method such that all instances of the interface have access to that shared 'helper' functionality.

One situation where static functions are definitely useful, in my opinion, is in creating a .Create() or .New() method to implement logic for object creation, for instance when you want to proxy the object being created,

public class Foo
{
    public static Foo New(string fooString)
    {
        ProxyGenerator generator = new ProxyGenerator();

        return (Foo)generator.CreateClassProxy
             (typeof(Foo), new object[] { fooString }, new Interceptor()); 
    }

This can be used with a proxying framework (like Castle Dynamic Proxy) where you want to intercept / inject functionality into an object, based on say, certain attributes assigned to its methods. The overall idea is that you need a special constructor because technically you are creating a copy of the original instance with special added functionality.

VistaDB has an express version which is free to use and is syntax and driver compatible with SQL Server. VistaDB is a single file and only requires their driver .dll to work in your asp.net or winforms project.

Since it is syntax and datasource compatible you can upgrade to SQL Server if needed.

from their site:

VistaDB is a fully managed and typesafe ASP.NET and WinForms applications using C#, VB.NET and other CLR-compliant languages.

VistaDB.net

downloaded Sql server management 2008 r2 and got it installed. Its getting installed but when I try to connect it via .\SQLEXPRESS it shows error. DO I need to install any SQL service on my system?

You installed management studio which is just a management interface to SQL Server. If you didn't (which is what it seems like) already have SQL Server installed, you'll need to install it in order to have it on your system and use it.

http://www.microsoft.com/en-us/download/details.aspx?id=1695

Here is how I do it. You will need to get the namespace URL and the element name from your generated code.

new JAXBElement(new QName("http://www.novell.com/role/service","userDN"),
                new String("").getClass(),testDN);

Or for fun:

>>> ast.literal_eval('[%s]'%','.join(map(repr,s.split())))
['QH', 'QD', 'JC', 'KD', 'JS']
>>> 

ast.literal_eval

That's actually Groovy's safe-dereference operator. You can't use it in pure Java (sadly), so that post is simply wrong (or more likely slightly misleading, if it's claiming Groovy to be the "latest version of Java").

The following function will work in JDK version 1.5 and above.

public String getSimpleName()

If you created imageview using xml file then follow the steps.

Solution 1:

Step 1: Create an XML file

<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:background="#cc8181"
  >

  <ImageView
      android:id="@+id/image"
      android:layout_width="50dip"
      android:layout_height="fill_parent" 
      android:src="@drawable/icon"
      android:layout_marginLeft="3dip"
      android:scaleType="center"/>

</LinearLayout>

Step 2: create an Activity

ImageView img= (ImageView) findViewById(R.id.image);
img.setImageResource(R.drawable.my_image);

Solution 2:

If you created imageview from Java Class

ImageView img = new ImageView(this);
img.setImageResource(R.drawable.my_image);

The font may exist with different names, and not at all on some systems, so you need to use different variations and fallback to get the closest possible look on all systems:

font-family: "Comic Sans MS", "Comic Sans", cursive;

Be careful what you use this font for, though. Many consider it as ugly and overused, so it should not be use for something that should look professional.

sed

• '/^[[:space:]]*$/d'
• '/^\s*$/d'
• '/^$/d'
• -n '/^\s*$/!p'

grep

• .
• -v '^$'
• -v '^\s*$'
• -v '^[[:space:]]*$'

awk

• /./
• 'NF'
• 'length'
• '/^[ \t]*$/ {next;} {print}'
• '!/^[ \t]*$/'

When N is very large, the normal method that randomly shuffles the N numbers and selects, say, first k numbers, can be prohibitive because of space complexity. The following algorithm requires only O(k) for both time and space complexities.

http://arxiv.org/abs/1512.00501

def random_selection_indices(num_samples, N):
    modified_entries = {}
    seq = []
    for n in xrange(num_samples):
        i = N - n - 1
        j = random.randrange(i)

        # swap a[j] and a[i] 
        a_j = modified_entries[j] if j in modified_entries else j 
        a_i = modified_entries[i] if i in modified_entries else i

        if a_i != j:
            modified_entries[j] = a_i   
        elif j in modified_entries:   # no need to store the modified value if it is the same as index
            modified_entries.pop(j)

        if a_j != i:
            modified_entries[i] = a_j 
        elif i in modified_entries:   # no need to store the modified value if it is the same as index
            modified_entries.pop(i)
        seq.append(a_j)
    return seq

Install phantomjs

$ npm install phantomjs

Create a file github.js with following code

var page = require('webpage').create();
//viewportSize being the actual size of the headless browser
page.viewportSize = { width: 1024, height: 768 };
page.open('http://github.com/', function() {
    page.render('github.png');
    phantom.exit();
});

Pass the file as argument to phantomjs

$ phantomjs github.js

var uniqueColors = (from dbo in database.MainTable 
                    where dbo.Property == true
                    select dbo.Color.Name).Distinct();

if(($("#checkboxid1").is(":checked")) || ($("#checkboxid2").is(":checked"))
            || ($("#checkboxid3").is(":checked"))) {
 //Your Code here
}

You can use this code to verify that checkbox is checked at least one.

Thanks!!

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html
use the above page to refer more Functions in MySQL

SELECT  STR_TO_DATE(StringColumn, '%d-%b-%y')
FROM    table

say for example use the below query to get output

SELECT STR_TO_DATE('23-feb-14', '%d-%b-%y') FROM table

For String format use the below link

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-format

This doesn't require jQuery. The JavaScript Math.random function returns a random number between 0 and 1, so if you want a number between 1 and 6, you can do:

var number = 1 + Math.floor(Math.random() * 6);

Update: (as per comment) If you want to display a random number that changes every so often, you can use setInterval to create a timer:

setInterval(function() {
  var number = 1 + Math.floor(Math.random() * 6);
  $('#my_div').text(number);
},
1000); // every 1 second

I use Strongloop's cli tools for that; see https://strongloop.com/strongblog/switch-between-configure-public-and-private-npm-registry/ for more information

Switching between repositories is as easy as : slc registry use <name>

I would suggest TARGET_FILE_DIR if you want the file to be copied to the same folder as your .exe file.

$ Directory of main file (.exe, .so.1.2, .a).

add_custom_command(
  TARGET ${PROJECT_NAME} POST_BUILD
  COMMAND ${CMAKE_COMMAND} -E copy 
    ${CMAKE_CURRENT_SOURCE_DIR}/input.txt 
    $<TARGET_FILE_DIR:${PROJECT_NAME}>)

In VS, this cmake script will copy input.txt to the same file as your final exe, no matter it's debug or release.

Long ago it was impossible to reliably get the list of processes locking a file because Windows simply did not track that information. To support the Restart Manager API, that information is now tracked.

I put together code that takes the path of a file and returns a List<Process> of all processes that are locking that file.

using System.Runtime.InteropServices;
using System.Diagnostics;
using System;
using System.Collections.Generic;

static public class FileUtil
{
    [StructLayout(LayoutKind.Sequential)]
    struct RM_UNIQUE_PROCESS
    {
        public int dwProcessId;
        public System.Runtime.InteropServices.ComTypes.FILETIME ProcessStartTime;
    }

    const int RmRebootReasonNone = 0;
    const int CCH_RM_MAX_APP_NAME = 255;
    const int CCH_RM_MAX_SVC_NAME = 63;

    enum RM_APP_TYPE
    {
        RmUnknownApp = 0,
        RmMainWindow = 1,
        RmOtherWindow = 2,
        RmService = 3,
        RmExplorer = 4,
        RmConsole = 5,
        RmCritical = 1000
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    struct RM_PROCESS_INFO
    {
        public RM_UNIQUE_PROCESS Process;

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCH_RM_MAX_APP_NAME + 1)]
        public string strAppName;

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCH_RM_MAX_SVC_NAME + 1)]
        public string strServiceShortName;

        public RM_APP_TYPE ApplicationType;
        public uint AppStatus;
        public uint TSSessionId;
        [MarshalAs(UnmanagedType.Bool)]
        public bool bRestartable;
    }

    [DllImport("rstrtmgr.dll", CharSet = CharSet.Unicode)]
    static extern int RmRegisterResources(uint pSessionHandle,
                                          UInt32 nFiles,
                                          string[] rgsFilenames,
                                          UInt32 nApplications,
                                          [In] RM_UNIQUE_PROCESS[] rgApplications,
                                          UInt32 nServices,
                                          string[] rgsServiceNames);

    [DllImport("rstrtmgr.dll", CharSet = CharSet.Auto)]
    static extern int RmStartSession(out uint pSessionHandle, int dwSessionFlags, string strSessionKey);

    [DllImport("rstrtmgr.dll")]
    static extern int RmEndSession(uint pSessionHandle);

    [DllImport("rstrtmgr.dll")]
    static extern int RmGetList(uint dwSessionHandle,
                                out uint pnProcInfoNeeded,
                                ref uint pnProcInfo,
                                [In, Out] RM_PROCESS_INFO[] rgAffectedApps,
                                ref uint lpdwRebootReasons);

    /// <summary>
    /// Find out what process(es) have a lock on the specified file.
    /// </summary>
    /// <param name="path">Path of the file.</param>
    /// <returns>Processes locking the file</returns>
    /// <remarks>See also:
    /// http://msdn.microsoft.com/en-us/library/windows/desktop/aa373661(v=vs.85).aspx
    /// http://wyupdate.googlecode.com/svn-history/r401/trunk/frmFilesInUse.cs (no copyright in code at time of viewing)
    /// 
    /// </remarks>
    static public List<Process> WhoIsLocking(string path)
    {
        uint handle;
        string key = Guid.NewGuid().ToString();
        List<Process> processes = new List<Process>();

        int res = RmStartSession(out handle, 0, key);
        if (res != 0) throw new Exception("Could not begin restart session.  Unable to determine file locker.");

        try
        {
            const int ERROR_MORE_DATA = 234;
            uint pnProcInfoNeeded = 0,
                 pnProcInfo = 0,
                 lpdwRebootReasons = RmRebootReasonNone;

            string[] resources = new string[] { path }; // Just checking on one resource.

            res = RmRegisterResources(handle, (uint)resources.Length, resources, 0, null, 0, null);

            if (res != 0) throw new Exception("Could not register resource.");                                    

            //Note: there's a race condition here -- the first call to RmGetList() returns
            //      the total number of process. However, when we call RmGetList() again to get
            //      the actual processes this number may have increased.
            res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo, null, ref lpdwRebootReasons);

            if (res == ERROR_MORE_DATA)
            {
                // Create an array to store the process results
                RM_PROCESS_INFO[] processInfo = new RM_PROCESS_INFO[pnProcInfoNeeded];
                pnProcInfo = pnProcInfoNeeded;

                // Get the list
                res = RmGetList(handle, out pnProcInfoNeeded, ref pnProcInfo, processInfo, ref lpdwRebootReasons);
                if (res == 0)
                {
                    processes = new List<Process>((int)pnProcInfo);

                    // Enumerate all of the results and add them to the 
                    // list to be returned
                    for (int i = 0; i < pnProcInfo; i++)
                    {
                        try
                        {
                            processes.Add(Process.GetProcessById(processInfo[i].Process.dwProcessId));
                        }
                        // catch the error -- in case the process is no longer running
                        catch (ArgumentException) { }
                    }
                }
                else throw new Exception("Could not list processes locking resource.");                    
            }
            else if (res != 0) throw new Exception("Could not list processes locking resource. Failed to get size of result.");                    
        }
        finally
        {
            RmEndSession(handle);
        }

        return processes;
    }
}

Using from Limited Permission (e.g. IIS)

This call accesses the registry. If the process does not have permission to do so, you will get ERROR_WRITE_FAULT, meaning An operation was unable to read or write to the registry. You could selectively grant permission to your restricted account to the necessary part of the registry. It is more secure though to have your limited access process set a flag (e.g. in the database or the file system, or by using an interprocess communication mechanism such as queue or named pipe) and have a second process call the Restart Manager API.

Granting other-than-minimal permissions to the IIS user is a security risk.

I was looking solution for my Ionic Cordova app push notification.

Thanks to Syed Rafay's answer.

in app.component.ts

const options: PushOptions = {
  android: {
    topics: ['all']
  },

in Server file

"to" => "/topics/all",

If want to install opencv in virtual environment. Run command in terminal for getting virtual environment list.

conda env list

or jupyter notebook command is

!conda env list

Then update your anaconda.

conda update anaconda-navigator
conda update navigator-updater

Install opencv in your selected environment path.

conda install -c ['environment path'] opencv

Juypter notebook

!conda install --yes --prefix ['environment path'] opencv

Your regex ^[0-9] matches anything beginning with a digit, including strings like "1A". To avoid a partial match, append a $ to the end:

^[0-9]*$

This accepts any number of digits, including none. To accept one or more digits, change the * to +. To accept exactly one digit, just remove the *.

UPDATE: You mixed up the arguments to IsMatch. The pattern should be the second argument, not the first:

if (!System.Text.RegularExpressions.Regex.IsMatch(textbox.Text, "^[0-9]*$"))

CAUTION: In JavaScript, \d is equivalent to [0-9], but in .NET, \d by default matches any Unicode decimal digit, including exotic fare like ? (Myanmar 2) and ? (N'Ko 9). Unless your app is prepared to deal with these characters, stick with [0-9] (or supply the RegexOptions.ECMAScript flag).

@webdeb's answer didn't work for me, I hit an unexpected token error when compiling ES6 with Babel, doing named default exports.

This worked for me, however:

// Foo.js
export default Foo
...

// bundle.js
export { default as Foo } from './Foo'
export { default as Bar } from './Bar'
...

// and import somewhere..
import { Foo, Bar } from './bundle'

you have to set cellpadding and cellspacing that's it.

<table cellpadding="5" cellspacing="5">
<tr> 
<td>One</td> 
<td>Two</td> 
<td>Three</td> 
<td>Four</td> 
</tr>
</table>

look to the List AddRange method here

i have just discovered, android studio 3.0.1 has no sdk during the installation. because during the installation, it doesn't give sdk as part of install able unlike in recent versions of android studio.

I just change the type of input to the text and back to the file :D

string str = @"""Hi, "" I am programmer";

OUTPUT - "Hi, " I am programmer

1: No difference. It is kept around to allow old S-code to continue to function. This is documented a "Note" in ?Math

2: Yes: But you already know it:

`^`(x,y)
#[1] 1024

In R the mathematical operators are really functions that the parser takes care of rearranging arguments and function names for you to simulate ordinary mathematical infix notation. Also documented at ?Math.

Edit: Let me add that knowing how R handles infix operators (i.e. two argument functions) is very important in understanding the use of the foundational infix "[[" and "["-functions as (functional) second arguments to lapply and sapply:

> sapply( list( list(1,2,3), list(4,3,6) ), "[[", 1)
[1] 1 4
> firsts <- function(lis) sapply(lis, "[[", 1)
> firsts( list( list(1,2,3), list(4,3,6) ) )
[1] 1 4

Create a $scope function that check it and returns true or false, like a "isEmpty" function and use in your view on ng-if statement like

ng-if="isEmpty(object)"

Here is a nice tutorial, it is what you need. (Source: coursesweb.net/php-mysql)

Register and show online users and visitors

Count Online users and visitors using a MySQL table

In this tutorial you can learn how to register, to count, and display in your webpage the number of online users and visitors. The principle is this: each user / visitor is registered in a text file or database. Every time a page of the website is accessed, the php script deletes all records older than a certain time (eg 2 minutes), adds the current user / visitor and takes the number of records left to display.

You can store the online users and visitors in a file on the server, or in a MySQL table. In this case, I think that using a text file to add and read the records is faster than storing them into a MySQL table, which requires more requests.

First it's presented the method with recording in a text file on the server, than the method with MySQL table.

To download the files with the scripts presented in this tutorial, click -> Count Online Users and Visitors.

• Both scripts can be included in ".php" files (with include()), or in ".html" files (with <script>), as you can see in the examples presented at the bottom of this page; but the server must run PHP.

Storing online users and visitors in a text file

To add records in a file on the server with PHP you must set CHMOD 0766 (or CHMOD 0777) permissions to that file, so the PHP can write data in it.

1. Create a text file on your server (for example, named userson.txt) and give it CHMOD 0777 permissions (in your FTP application, right click on that file, choose Properties, then select Read, Write, and Execute options).
2. Create a PHP file (named usersontxt.php) having the code below, then copy this php file in the same directory as userson.txt.

The code for usersontxt.php;

<?php
// Script Online Users and Visitors - http://coursesweb.net/php-mysql/
if(!isset($_SESSION)) session_start();        // start Session, if not already started

$filetxt = 'userson.txt';  // the file in which the online users /visitors are stored
$timeon = 120;             // number of secconds to keep a user online
$sep = '^^';               // characters used to separate the user name and date-time
$vst_id = '-vst-';        // an identifier to know that it is a visitor, not logged user

/*
 If you have an user registration script,
 replace $_SESSION['nume'] with the variable in which the user name is stored.
 You can get a free registration script from:  http://coursesweb.net/php-mysql/register-login-script-users-online_s2
*/

// get the user name if it is logged, or the visitors IP (and add the identifier)

    $uvon = isset($_SESSION['nume']) ? $_SESSION['nume'] : $_SERVER['SERVER_ADDR']. $vst_id;

$rgxvst = '/^([0-9\.]*)'. $vst_id. '/i';         // regexp to recognize the line with visitors
$nrvst = 0;                                       // to store the number of visitors

// sets the row with the current user /visitor that must be added in $filetxt (and current timestamp)

    $addrow[] = $uvon. $sep. time();

// check if the file from $filetxt exists and is writable

    if(is_writable($filetxt)) {
      // get into an array the lines added in $filetxt
      $ar_rows = file($filetxt, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
      $nrrows = count($ar_rows);

            // number of rows

  // if there is at least one line, parse the $ar_rows array

      if($nrrows>0) {
        for($i=0; $i<$nrrows; $i++) {
          // get each line and separate the user /visitor and the timestamp
          $ar_line = explode($sep, $ar_rows[$i]);
      // add in $addrow array the records in last $timeon seconds
          if($ar_line[0]!=$uvon && (intval($ar_line[1])+$timeon)>=time()) {
            $addrow[] = $ar_rows[$i];
          }
        }
      }
    }

$nruvon = count($addrow);                   // total online
$usron = '';                                    // to store the name of logged users
// traverse $addrow to get the number of visitors and users
for($i=0; $i<$nruvon; $i++) {
 if(preg_match($rgxvst, $addrow[$i])) $nrvst++;       // increment the visitors
 else {
   // gets and stores the user's name
   $ar_usron = explode($sep, $addrow[$i]);
   $usron .= '<br/> - <i>'. $ar_usron[0]. '</i>';
 }
}
$nrusr = $nruvon - $nrvst;              // gets the users (total - visitors)

// the HTML code with data to be displayed
$reout = '<div id="uvon"><h4>Online: '. $nruvon. '</h4>Visitors: '. $nrvst. '<br/>Users: '. $nrusr. $usron. '</div>';

// write data in $filetxt
if(!file_put_contents($filetxt, implode("\n", $addrow))) $reout = 'Error: Recording file not exists, or is not writable';

// if access from <script>, with GET 'uvon=showon', adds the string to return into a JS statement
// in this way the script can also be included in .html files
if(isset($_GET['uvon']) && $_GET['uvon']=='showon') $reout = "document.write('$reout');";

echo $reout;             // output /display the result
?>

3. If you want to include the script above in a ".php" file, add the following code in the place you want to show the number of online users and visitors:

4.To show the number of online visitors /users in a ".html" file, use this code:

<script type="text/javascript" src="usersontxt.php?uvon=showon"></script>

This script (and the other presented below) works with $_SESSION. At the beginning of the PHP file in which you use it, you must add: session_start();. Count Online users and visitors using a MySQL table

To register, count and show the number of online visitors and users in a MySQL table, require to perform three SQL queries: Delete the records older than a certain time. Insert a row with the new user /visitor, or, if it is already inserted, Update the timestamp in its column. Select the remaining rows. Here's the code for a script that uses a MySQL table (named "userson") to store and display the Online Users and Visitors.

1. First we create the "userson" table, with 2 columns (uvon, dt). In the "uvon" column is stored the name of the user (if logged in) or the visitor's IP. In the "dt" column is stored a number with the timestamp (Unix time) when the page is accessed.

• Add the following code in a php file (for example, named "create_userson.php"):

The code for create_userson.php:

<?php
header('Content-type: text/html; charset=utf-8');

// HERE add your data for connecting to MySQ database
$host = 'localhost';           // MySQL server address
$user = 'root';                // User name
$pass = 'password';            // User`s password
$dbname = 'database';          // Database name

// connect to the MySQL server
$conn = new mysqli($host, $user, $pass, $dbname);

// check connection
if (mysqli_connect_errno()) exit('Connect failed: '. mysqli_connect_error());

// sql query for CREATE "userson" TABLE
$sql = "CREATE TABLE `userson` (
 `uvon` VARCHAR(32) PRIMARY KEY,
 `dt` INT(10) UNSIGNED NOT NULL
 ) CHARACTER SET utf8 COLLATE utf8_general_ci"; 

// Performs the $sql query on the server to create the table
if ($conn->query($sql) === TRUE) echo 'Table "userson" successfully created';
else echo 'Error: '. $conn->error;

$conn->close();
?>

2. Now we create the script that Inserts, Deletes, and Selects data in the userson table (For explanations about the code, see the comments in script).

• Add the code below in another php file (named usersmysql.php): In both file you must add your personal data for connecting to MySQL database, in the variables: $host, $user, $pass, and $dbname .

The code for usersmysql.php:

<?php
// Script Online Users and Visitors - coursesweb.net/php-mysql/
if(!isset($_SESSION)) session_start();         // start Session, if not already started

// HERE add your data for connecting to MySQ database
$host = 'localhost';           // MySQL server address
$user = 'root';                // User name
$pass = 'password';            // User`s password
$dbname = 'database';          // Database name

/*
 If you have an user registration script,
 replace $_SESSION['nume'] with the variable in which the user name is stored.
 You can get a free registration script from:  http://coursesweb.net/php-mysql/register-login-script-users-online_s2
*/

// get the user name if it is logged, or the visitors IP (and add the identifier)
$vst_id = '-vst-';         // an identifier to know that it is a visitor, not logged user
$uvon = isset($_SESSION['nume']) ? $_SESSION['nume'] : $_SERVER['SERVER_ADDR']. $vst_id;

$rgxvst = '/^([0-9\.]*)'. $vst_id. '/i';         // regexp to recognize the rows with visitors
$dt = time();                                    // current timestamp
$timeon = 120;             // number of secconds to keep a user online
$nrvst = 0;                                     // to store the number of visitors
$nrusr = 0;                                     // to store the number of usersrs
$usron = '';                                    // to store the name of logged users

// connect to the MySQL server
$conn = new mysqli($host, $user, $pass, $dbname);

// Define and execute the Delete, Insert/Update, and Select queries
$sqldel = "DELETE FROM `userson` WHERE `dt`<". ($dt - $timeon);
$sqliu = "INSERT INTO `userson` (`uvon`, `dt`) VALUES ('$uvon', $dt) ON DUPLICATE KEY UPDATE `dt`=$dt";
$sqlsel = "SELECT * FROM `userson`";

// Execute each query
if(!$conn->query($sqldel)) echo 'Error: '. $conn->error;
if(!$conn->query($sqliu)) echo 'Error: '. $conn->error;
$result = $conn->query($sqlsel);

// if the $result contains at least one row
if ($result->num_rows > 0) {
  // traverse the sets of results and set the number of online visitors and users ($nrvst, $nrusr)
  while($row = $result->fetch_assoc()) {
    if(preg_match($rgxvst, $row['uvon'])) $nrvst++;       // increment the visitors
    else {
      $nrusr++;                   // increment the users
      $usron .= '<br/> - <i>'.$row['uvon']. '</i>';          // stores the user's name
    }
  }
}

$conn->close();                  // close the MySQL connection

// the HTML code with data to be displayed
$reout = '<div id="uvon"><h4>Online: '. ($nrusr+$nrvst). '</h4>Visitors: '. $nrvst. '<br/>Users: '. $nrusr. $usron. '</div>';

// if access from <script>, with GET 'uvon=showon', adds the string to return into a JS statement
// in this way the script can also be included in .html files
if(isset($_GET['uvon']) && $_GET['uvon']=='showon') $reout = "document.write('$reout');";

echo $reout;             // output /display the result
?>

3. After you have created these two php files on your server, run the "create_userson.php" on your browser to create the "userson" table.

4. Include the usersmysql.php file in the php file in which you want to display the number of online users and visitors.

5. Or, if you want to insert it in a ".html" file, add this code:

Examples using these scripts

• Including the "usersontxt.php` in a php file:

<!doctype html>

• Including the "usersmysql.php" in a html file:

<!doctype html>
<html>
<head>
 <meta charset="utf-8" />
 <title>Counter Online Users and Visitors</title>
 <meta name="description" content="PHP script to count and show the number of online users and visitors" />
 <meta name="keywords" content="online users, online visitors" />
</head>
<body>

<!-- Includes the script ("usersontxt.php", or "usersmysql.php") -->
<script type="text/javascript" src="usersmysql.php?uvon=showon"></script>

</body>
</html>

Both scripts (with storing data in a text file on the server, or into a MySQL table) will display a result like this: Online: 5

Visitors: 3 Users: 2

• MarPlo
• Marius

Yes, I was late, but I can add for Assemble users: you can use buil-in "parseJSON" helper http://assemble.io/helpers/helpers-data.html. (Discovered in https://github.com/assemble/assemble/issues/416).

Here's a one-liner using LINQ and avoiding any run-time evaluation of select strings:

someDataTable.Rows.Cast<DataRow>().Where(
    r => r.ItemArray[0] == someValue).ToList().ForEach(r => r.Delete());

Using CPromise package we can use the following approach (Live demo)

import CPromise from "c-promise2";

const chain = new CPromise((resolve, reject, { onCancel }) => {
  const timer = setTimeout(resolve, 1000, 123);
  onCancel(() => clearTimeout(timer));
})
  .then((value) => value + 1)
  .then(
    (value) => console.log(`Done: ${value}`),
    (err, scope) => {
      console.warn(err); // CanceledError: canceled
      console.log(`isCanceled: ${scope.isCanceled}`); // true
    }
  );

setTimeout(() => {
  chain.cancel();
}, 100);

The same thing using AbortController (Live demo)

import CPromise from "c-promise2";

const controller= new CPromise.AbortController();

new CPromise((resolve, reject, { onCancel }) => {
  const timer = setTimeout(resolve, 1000, 123);
  onCancel(() => clearTimeout(timer));
})
  .then((value) => value + 1)
  .then(
    (value) => console.log(`Done: ${value}`),
    (err, scope) => {
      console.warn(err);
      console.log(`isCanceled: ${scope.isCanceled}`);
    }
  ).listen(controller.signal);

setTimeout(() => {
  controller.abort();
}, 100);

Use something like this:

class Tree < T > : Dictionary < T, IList< Tree < T > > >  
{  
}  

It's ugly, but I think it will give you what you want. Too bad KeyValuePair is sealed.

I'm using GitWebAccess for many projects for half a year now, and it's proven to be the best of what I've tried. It seems, though, that lately sources are not supported, so - don't take latest binaries/sources. Currently they're broken :(

You can build from this version or download compiled binaries which I use from here.

For the JSON library to be available, you may have to install libjson-ruby from your package manager.

To use the 'json' library:

require 'json'

To convert an object to JSON (these 3 ways are equivalent):

JSON.dump object #returns a JSON string
JSON.generate object #returns a JSON string
object.to_json #returns a JSON string

To convert JSON text to an object (these 2 ways are equivalent):

JSON.load string #returns an object
JSON.parse string #returns an object

It will be a bit more difficult for objects from your own classes. For the following class, to_json will produce something like "\"#<A:0xb76e5728>\"".

class A
    def initialize a=[1,2,3], b='hello'
        @a = a
        @b = b
    end
end

This probably isn't desirable. To effectively serialise your object as JSON, you should create your own to_json method. To go with this, a from_json class method would be useful. You could extend your class like so:

class A
    def to_json
        {'a' => @a, 'b' => @b}.to_json
    end
    def self.from_json string
        data = JSON.load string
        self.new data['a'], data['b']
    end
end

You could automate this by inheriting from a 'JSONable' class:

class JSONable
    def to_json
        hash = {}
        self.instance_variables.each do |var|
            hash[var] = self.instance_variable_get var
        end
        hash.to_json
    end
    def from_json! string
        JSON.load(string).each do |var, val|
            self.instance_variable_set var, val
        end
    end
end

Then you can use object.to_json to serialise to JSON and object.from_json! string to copy the saved state that was saved as the JSON string to the object.

using bootstrap 4 and SCSS check out this link here for full details

https://getbootstrap.com/docs/4.0/getting-started/theming/

in a nutshell...

open up lib/bootstrap/scss/_navbar.scss and find the statements that create these variables

  .navbar-nav {
    .nav-link {
      color: $navbar-light-color;

      @include hover-focus() {
        color: $navbar-light-hover-color;
      }

      &.disabled {
        color: $navbar-light-disabled-color;
      }
    }

so now you need to override

$navbar-light-color
$navbar-light-hover-color
$navbar-light-disabled-color

create a new scss file _localVariables.scss and add the following (with your colors)

$navbar-light-color : #520b71
$navbar-light-hover-color: #F3EFE6;
$navbar-light-disabled-color: #F3EFE6;

@import "../lib/bootstrap/scss/functions";
@import "../lib/bootstrap/scss/variables";
@import "../lib/bootstrap/scss/mixins/_breakpoints";

and on your other scss pages just add

@import "_localVariables";

instead of

@import "../lib/bootstrap/scss/functions";
@import "../lib/bootstrap/scss/variables";
@import "../lib/bootstrap/scss/mixins/_breakpoints";

I have come to the same problem and fixed the same way as Alex K.

So if "Send Errors To Browser" is not working set also this:

Error Pages -> 500 -> Edit Feature Settings -> "Detailed Errors"

Also note that if the content of the error page sent back is quite short and you're using IE, IE will happily ignore the useful content sent back by the server and show you its own generic error page instead. You can turn this off in IE's options, or use a different browser.

myConn.Execute "INSERT INTO DayTr (dtID, DTSuID, DTDaTi, DTGrKg) VALUES (" & Val(txtTrNo) & "," & Val(txtCID) & ", '" & Format(txtTrDate, "yyyy-mm-dd") & "' ," & Val(Format(txtGross, "######0.00")) & ")"

Done in vb with all text type variables.

Check if db name do not have "_" or "-" that helps in my case

I tried out Buu's approach and couldn't get it quite right due to the sheer number of events that trigger the digester to execute, including $interval and $timeout functions executing. This leaves the application in a state where it never be idle regardless of user input.

If you actually need to track user idle time I am not sure that there is a good angular approach. I would suggest that a better approach is represented by Witoldz here https://github.com/witoldsz/angular-http-auth. This approach will prompt the user to reauthenticate when an action is taken that requires their credentials. After the user has authenticated the previous failed request is reprocessed and the application continues on as if nothing happened.

This handles the concern that you might have of letting the user's session expire while they are active since even if their authentication expires they are still able to retain the application state and not lose any work.

If you have some kind of session on your client (cookies, tokens, etc) you could watch them as well and trigger your logout process if they expire.

app.run(['$interval', function($interval) {
  $interval(function() {
    if (/* session still exists */) {
    } else {
      // log out of client
    }
  }, 1000);
}]);

UPDATE: Here is a plunk that demonstrates the concern. http://plnkr.co/edit/ELotD8W8VAeQfbYFin1W. What this demonstates is that the digester run time is updated only when the interval ticks. Once the interval reaches it max count then the digester will no longer run.

Great answers from the guys but I would caution you against always relying on the Session. It is quick and easy to do so, and of course would work but would not be great in all cicrumstances.

For example if you run into a scenario where your hosting doesn't allow session use, or if you are on a web farm, or in the example of a shared SharePoint application.

If you wanted a different solution you could look at using an IOC Container such as Castle Windsor, creating a provider class as a wrapper and then keeping one instance of your class using the per request or session lifestyle depending on your requirements.

The IOC would ensure that the same instance is returned each time.

More complicated yes, if you need a simple solution just use the session.

Here are some implementation examples below out of interest.

Using this method you could create a provider class along the lines of:

public class CustomClassProvider : ICustomClassProvider
{
    public CustomClassProvider(CustomClass customClass)
    { 
        CustomClass = customClass;
    }

    public string CustomClass { get; private set; }
}

And register it something like:

public void Install(IWindsorContainer container, IConfigurationStore store)
{
    container.Register(
            Component.For<ICustomClassProvider>().UsingFactoryMethod(
                () => new CustomClassProvider(new CustomClass())).LifestylePerWebRequest());
    }

Function strlen shows the number of character before \0 and using it for std::string may report wrong length.

strlen(str.c_str()); // It may return wrong length.

In C++, a string can contain \0 within the characters but C-style-zero-terminated strings can not but at the end. If the std::string has a \0 before the last character then strlen reports a length less than the actual length.

Try to use .length() or .size(), I prefer second one since another standard containers have it.

str.size()

I might be a little late to the party but any of these two might work for you:

1. http://www.jfrog.com/confluence/display/RTF/Npm+Repositories
2. https://github.com/krakenjs/kappa

To create padding view for UITextField in Swift 5

func txtPaddingVw(txt:UITextField) {
    let paddingView = UIView(frame: CGRect(x: 0, y: 0, width: 5, height: 5))
    txt.leftViewMode = .always
    txt.leftView = paddingView
}

Using: echo | set /p= or <NUL set /p= will both work to suppress the newline.

However, this can be very dangerous when writing more advanced scripts when checking the ERRORLEVEL becomes important as setting set /p= without specifying a variable name will set the ERRORLEVEL to 1.

A better approach would be to just use a dummy variable name like so:
echo | set /p dummyName=Hello World

This will produce exactly what you want without any sneaky stuff going on in the background as I had to find out the hard way, but this only works with the piped version; <NUL set /p dummyName=Hello will still raise the ERRORLEVEL to 1.

This bug is fixed in "gcc-4.6".

https://bugs.launchpad.net/ubuntu/+source/gcc-4.5/+bug/793411

Arrays must have zero based integer indexes in JavaScript. So:

var valueToPush = new Array();
valueToPush[0] = productID;
valueToPush[1] = itemColorTitle;
valueToPush[2] = itemColorPath;
cookie_value_add.push(valueToPush);

Or maybe you want to use objects (which are associative arrays):

var valueToPush = { }; // or "var valueToPush = new Object();" which is the same
valueToPush["productID"] = productID;
valueToPush["itemColorTitle"] = itemColorTitle;
valueToPush["itemColorPath"] = itemColorPath;
cookie_value_add.push(valueToPush);

which is equivalent to:

var valueToPush = { };
valueToPush.productID = productID;
valueToPush.itemColorTitle = itemColorTitle;
valueToPush.itemColorPath = itemColorPath;
cookie_value_add.push(valueToPush);

It's a really fundamental and crucial difference between JavaScript arrays and JavaScript objects (which are associative arrays) that every JavaScript developer must understand.

Just to clarify the Training/Validation/Test data sets: The training set is used to perform the initial training of the model, initializing the weights of the neural network.

The validation set is used after the neural network has been trained. It is used for tuning the network's hyperparameters, and comparing how changes to them affect the predictive accuracy of the model. Whereas the training set can be thought of as being used to build the neural network's gate weights, the validation set allows fine tuning of the parameters or architecture of the neural network model. It's useful as it allows repeatable comparison of these different parameters/architectures against the same data and networks weights, to observe how parameter/architecture changes affect the predictive power of the network.

Then the test set is used only to test the predictive accuracy of the trained neural network on previously unseen data, after training and parameter/architecture selection with the training and validation data sets.

gradlew is a wrapper(w - character) that uses gradle.

Under the hood gradlew performs three main things:

• Download and install the correct gradle version
• Parse the arguments
• Call a gradle task

Using Gradle Wrapper we can distribute/share a project to everybody to use the same version and Gradle's functionality(compile, build, install...) even if it has not been installed.

To create a wrapper run:

gradle wrapper

This command generate:

gradle-wrapper.properties will contain the information about the Gradle distribution

*./ Is used on Unix to specify the current directory

declare @date datetime; set @date = null
--declare @date datetime; set @date = '2015-01-01'

select coalesce( convert( varchar(10), @date, 103 ), '')

I tried your list of terms on this snowball demo site and the results look okay....

• cats -> cat
• running -> run
• ran -> ran
• cactus -> cactus
• cactuses -> cactus
• community -> communiti
• communities -> communiti

A stemmer is supposed to turn inflected forms of words down to some common root. It's not really a stemmer's job to make that root a 'proper' dictionary word. For that you need to look at morphological/orthographic analysers.

I think this question is about more or less the same thing, and Kaarel's answer to that question is where I took the second link from.

If the timestamp considered is a UNIX timestamp You need to first convert UNIX timestamp (e.g 1462567865) to mysql timestamp or data

SELECT * FROM `orders` WHERE FROM_UNIXTIME(order_ts) > DATE_SUB(CURDATE(), INTERVAL 1 DAY)

If there is an interface anywhere in the ThreadProvider hierarchy try putting the name of the Interface as the type of your service provider, eg. if you have say this structure:

public class ThreadProvider implements CustomInterface{
...
}

Then in your controller try this:

@Controller
public class ChiusuraController {

    @Autowired
    private CustomInterface chiusuraProvider;
}

The reason why this is happening is, in your first case when you DID NOT have ChiusuraProvider extend ThreadProvider Spring probably was underlying creating a CGLIB based proxy for you(to handle the @Transaction).

When you DID extend from ThreadProvider assuming that ThreadProvider extends some interface, Spring in that case creates a Java Dynamic Proxy based Proxy, which would appear to be an implementation of that interface instead of being of ChisuraProvider type.

If you absolutely need to use ChisuraProvider you can try AspectJ as an alternative or force CGLIB based proxy in the case with ThreadProvider also this way:

<aop:aspectj-autoproxy proxy-target-class="true"/>

Here is some more reference on this from the Spring Reference site: http://static.springsource.org/spring/docs/3.1.x/spring-framework-reference/html/classic-aop-spring.html#classic-aop-pfb

[self.tableView setTableFooterView:footerView];

Here are some paths for tabs:

https://codepen.io/mochime/pen/VxxzMW

<!-- left tab -->_x000D_
<div>_x000D_
  <svg width="60" height="60">_x000D_
    <path d="M10,10 _x000D_
             a10 10 0 0 1 10 -10_x000D_
             h 50   _x000D_
             v 47_x000D_
             h -50_x000D_
             a10 10 0 0 1 -10 -10_x000D_
             z"_x000D_
      fill="#ff3600"></path>_x000D_
  </svg>_x000D_
</div>_x000D_
_x000D_
<!-- right tab -->_x000D_
<div>_x000D_
  <svg width="60" height="60">_x000D_
    <path d="M10 0   _x000D_
             h 40_x000D_
             a10 10 0 0 1 10 10_x000D_
             v 27_x000D_
             a10 10 0 0 1 -10 10_x000D_
             h -40_x000D_
             z"_x000D_
      fill="#ff3600"></path>_x000D_
  </svg>_x000D_
</div>_x000D_
_x000D_
<!-- tab tab :) -->_x000D_
<div>_x000D_
  <svg width="60" height="60">_x000D_
    <path d="M10,40 _x000D_
             v -30_x000D_
             a10 10 0 0 1 10 -10_x000D_
             h 30_x000D_
             a10 10 0 0 1 10 10_x000D_
             v 30_x000D_
             z"_x000D_
      fill="#ff3600"></path>_x000D_
  </svg>_x000D_
</div>

The other answers explained the mechanics. I especially liked hossein-maktoobian's answer.

The paths in the pen do the brunt of the work, the values can be modified to suite whatever desired dimensions.

1. Use strtotime to convert the string to a time stamp
2. Add a day to it (eg: by adding 86400 seconds (24 * 60 * 60))

eg:

$time = strtotime($myInput);
$newTime = $time + 86400;

If it's only adding 1 day, then using strtotime again is probably overkill.

I got tired of having to re-learn this every six months, so I just published an npm module to abstract away the implementation details:

https://www.npmjs.com/package/streamify-string

This is the core of the module:

const Readable = require('stream').Readable;
const util     = require('util');

function Streamify(str, options) {

  if (! (this instanceof Streamify)) {
    return new Streamify(str, options);
  }

  Readable.call(this, options);
  this.str = str;
}

util.inherits(Streamify, Readable);

Streamify.prototype._read = function (size) {

  var chunk = this.str.slice(0, size);

  if (chunk) {
    this.str = this.str.slice(size);
    this.push(chunk);
  }

  else {
    this.push(null);
  }

};

module.exports = Streamify;

str is the string that must be passed to the constructor upon invokation, and will be outputted by the stream as data. options are the typical options that may be passed to a stream, per the documentation.

According to Travis CI, it should be compatible with most versions of node.

Yes, according to the usual benchmarks. E.G : http://mckoss.com/jscript/SpeedTrial.htm.

But for the small strings, this is irrelevant. You will only care about performances on very large strings. What's more, in most JS script, the bottle neck is rarely on the string manipulations since there is not enough of it.

You'd better watch the DOM manipulation.

http://www.exocortex.org/dsp/ is an open-source C# mathematics library with FFT algorithms.

If it's a nested Type, you might be forgetting to transform a . to a +

Regardless, typeof( T).FullName will tell you what you should be saying

EDIT: BTW the usings (as I'm sure you know) are only directives to the compiler at compile time and cannot thus have any impact on the API call's success. (If you had project or assembly references, that could potentially have had influence - hence the information isnt useless, it just takes some filtering...)

Try this:

Write-Host ($obj | Format-Table | Out-String)

or

Write-Host ($obj | Format-List | Out-String)

I just ran into this and the problem after switching a package from nuget to locally referenced dlls. The issue was old runtime binding stuff in app.config.

The first thing is to understand that, the Dispatcher is not designed to run long blocking operation (such as retrieving data from a WebServer...). You can use the Dispatcher when you want to run an operation that will be executed on the UI thread (such as updating the value of a progress bar).

What you can do is to retrieve your data in a background worker and use the ReportProgress method to propagate changes in the UI thread.

If you really need to use the Dispatcher directly, it's pretty simple:

Application.Current.Dispatcher.BeginInvoke(
  DispatcherPriority.Background,
  new Action(() => this.progressBar.Value = 50));

You can't have multiple lines in a text box, you need a textarea. Then it works with \n between the values.

you'd use any of these:

JSTL c:forEach varStatus properties

Property Getter Description

• current getCurrent() The item (from the collection) for the current round of iteration.

• index getIndex() The zero-based index for the current round of iteration.

• count getCount() The one-based count for the current round of iteration

• first isFirst() Flag indicating whether the current round is the first pass through the iteration

• last isLast() Flag indicating whether the current round is the last pass through the iteration

• begin getBegin() The value of the begin attribute

• end getEnd() The value of the end attribute

• step getStep() The value of the step attribute

Both capture output and run on background with threading

As mentioned on this answer, if you capture the output with stdout= and then try to read(), then the process blocks.

However, there are cases where you need this. For example, I wanted to launch two processes that talk over a port between them, and save their stdout to a log file and stdout.

The threading module allows us to do that.

First, have a look at how to do the output redirection part alone in this question: Python Popen: Write to stdout AND log file simultaneously

Then:

main.py

#!/usr/bin/env python3

import os
import subprocess
import sys
import threading

def output_reader(proc, file):
    while True:
        byte = proc.stdout.read(1)
        if byte:
            sys.stdout.buffer.write(byte)
            sys.stdout.flush()
            file.buffer.write(byte)
        else:
            break

with subprocess.Popen(['./sleep.py', '0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc1, \
     subprocess.Popen(['./sleep.py', '10'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc2, \
     open('log1.log', 'w') as file1, \
     open('log2.log', 'w') as file2:
    t1 = threading.Thread(target=output_reader, args=(proc1, file1))
    t2 = threading.Thread(target=output_reader, args=(proc2, file2))
    t1.start()
    t2.start()
    t1.join()
    t2.join()

sleep.py

#!/usr/bin/env python3

import sys
import time

for i in range(4):
    print(i + int(sys.argv[1]))
    sys.stdout.flush()
    time.sleep(0.5)

After running:

./main.py

stdout get updated every 0.5 seconds for every two lines to contain:

0
10
1
11
2
12
3
13

and each log file contains the respective log for a given process.

Inspired by: https://eli.thegreenplace.net/2017/interacting-with-a-long-running-child-process-in-python/

Tested on Ubuntu 18.04, Python 3.6.7.

1. check wamp server icon is green or not if it is green then it is working if not then you have to follow these steps to do

   a. all the programs should be closed before running the wamp because most of the cases some softwares like skype takes the same port (80) which is using by wamp.

   b. you can change the port of skype : Tool-s->oprions->advanced->connection untick use port 80

2. restart the wamp it will work.

SECOND case

1. when you click on the project in loalhost it does not show the localhost infront of the project name and because of that it looks like wamp is not working then you have to one thing on only

   . go to wamp index.php file and change $suppress_localhost = false; from $suppress_localhost = true; or try vice versa it will work

We're using Jira 6.2 and I use this query:

updatedDate > startOfDay(-1d) AND updatedDate < endOfDay(-1)

to return all of the issues that were updated from the previous day. You can combine with whichever queries you want to return the appropriate issues for the previous day.

You can actually write to a named pipe using its name, btw.

Open a command shell as Administrator to get around the default "Access is denied" error:

echo Hello > \\.\pipe\PipeName

With the xhr2 library you can globally overwrite XMLHttpRequest from your JS code. This allows you to use external libraries in node, that were intended to be run from browsers / assume they are run in a browser.

global.XMLHttpRequest = require('xhr2');

Answer from @gilly3 is great.

How to extend this for array of objects

I prefer the following way to update the new updated record into my array of records when I get data from the server. It keeps the order intact and quite straight forward one liner.

users = users.map(u => u.id !== editedUser.id ? u : editedUser);

var users = [_x000D_
{id: 1, firstname: 'John', lastname: 'Sena'},_x000D_
{id: 2, firstname: 'Serena', lastname: 'Wilham'},_x000D_
{id: 3, firstname: 'William', lastname: 'Cook'}_x000D_
];_x000D_
_x000D_
var editedUser = {id: 2, firstname: 'Big Serena', lastname: 'William'};_x000D_
_x000D_
users = users.map(u => u.id !== editedUser.id ? u : editedUser);_x000D_
_x000D_
console.log('users -> ', users);

When you add floating point numbers together, there's often a little bit of error. Would a range(0.0, 2.2, 1.1) return [0.0, 1.1] or [0.0, 1.1, 2.199999999]? There's no way to be certain without rigorous analysis.

The code you posted is an OK work-around if you really need this. Just be aware of the possible shortcomings.

I used ProcessBuilder but had the same issue. The issue was with using command as one String line (like I would type it in cmd) instead of String array. In example from above. If I ran

ProcessBuilder pb = new ProcessBuilder("C:/Program Files/WinRAR/winrar x myjar.jar *.* new");
pb.directory(new File("H:/"));
pb. redirectErrorStream(true);

Process p = pb.start();

I got an error. But if I ran

ProcessBuilder pb = new ProcessBuilder("C:/Program Files/WinRAR/winrar", "x", "myjar.jar", "*.*", "new");
pb.directory(new File("H:/"));
pb. redirectErrorStream(true);

Process p = pb.start();

everything was OK.

In the following line.

temp.Response = db.Responses.Where(y => y.ResponseId.Equals(item.ResponseId)).First();

You are calling First but the collection returned from db.Responses.Where is empty.

set -x is fine.

Another way to print each executed command is to use trap with DEBUG. Put this line at the beginning of your script :

trap 'echo "# $BASH_COMMAND"' DEBUG

You can find a lot of other trap usages here.

Dan, it's just you're accessing the protected field instead of properties.

See for example this line in your Main(...):

myClub.distance = Console.ReadLine();

myClub.distance is the protected field, while you wanted to set the property mydistance.

I'm just giving you some hint, I'm not going to correct your code, since this is homework! ;)

All of these look more complicated than they need to be! Here is a short and sweet way to convert a time interval into hours, minutes and seconds:

NSTimeInterval timeInterval = 326.4;
long seconds = lroundf(timeInterval); // Since modulo operator (%) below needs int or long

int hour = seconds / 3600;
int mins = (seconds % 3600) / 60;
int secs = seconds % 60;

Note when you put a float into an int, you get floor() automatically, but you can add it to the first two if if makes you feel better :-)

date.toJSON() prints the UTC-Date into a String formatted (So adds the offset with it when converts it to JSON format).

date = new Date();
new Date(date.getTime() - (date.getTimezoneOffset() * 60000)).toJSON();

To prevent full size category images slowing page down, you can use smaller images with wp_get_attachment_image_src():

<?php 

$thumbnail_id = get_woocommerce_term_meta( $term->term_id, 'thumbnail_id', true );

// get the medium-sized image url
$image = wp_get_attachment_image_src( $thumbnail_id, 'medium' );

// Output in img tag
echo '<img src="' . $image[0] . '" alt="" />'; 

// Or as a background for a div
echo '<div class="image" style="background-image: url("' . $image[0] .'")"></div>';

?>

EDIT: Fixed variable name and missing quote

Try this:

USE master;

GO;
 
GRANT ADMINISTER BULK OPERATIONS TO shira;

Use this Way in this circle image is also working + you have preloader also for network image:

new ClipRRect(
     borderRadius: new BorderRadius.circular(30.0),
     child: FadeInImage.assetNetwork(
          placeholder:'asset/loader.gif',
          image: 'Your Image Path',
      ),
    )

To expand on @Trung Lê answer, in Rails 4 you can do the following:

Topic.where.not(forum_id:@forums.map(&:id))

And you could take it a step further. If you need to first filter for only published Topics and then filter out the ids you don't want, you could do this:

Topic.where(published:true).where.not(forum_id:@forums.map(&:id))

Rails 4 makes it so much easier!

This merge approach will add one commit on top of master which pastes in whatever is in feature, without complaining about conflicts or other crap.

Before you touch anything

git stash
git status # if anything shows up here, move it to your desktop

Now prepare master

git checkout master
git pull # if there is a problem in this step, it is outside the scope of this answer

Get feature all dressed up

git checkout feature
git merge --strategy=ours master

Go for the kill

git checkout master
git merge --no-ff feature

In our case it ended up being a Kerberos issue. I followed the steps in this article to resolve the issue: https://techcommunity.microsoft.com/t5/SQL-Server-Support/Bulk-Insert-and-Kerberos/ba-p/317304.

It came down to configuring delegation on the machine account of the SQL Server where the BULK INSERT statement is running. The machine account needs to be able to delegate via the "cifs" service to the file server where the files are located. If you are using constrained delegation make sure to specify "Use any authenication protocol".

If DFS is involved you can execute the following Powershell command to get the name of the file server:

Get-DfsnFolderTarget -Path "\\dfsnamespace\share"

$query = "ALTER TABLE `" . $table_prefix . "posts_to_bookmark` 
          ADD COLUMN `ping_status` INT(1) NOT NULL 
          AFTER `<TABLE COLUMN BEFORE THIS COLUMN>`";

I believe you need to have ADD COLUMN and use AFTER, not BEFORE.

In case you want to place column at the beginning of a table, use the FIRST statement:

$query = "ALTER TABLE `" . $table_prefix . "posts_to_bookmark`
          ADD COLUMN `ping_status` INT(1) NOT NULL 
          FIRST";

http://dev.mysql.com/doc/refman/5.1/en/alter-table.html

public static T Runner<T>(Func<T> funcToRun)
{
    //Do stuff before running function as normal
    return funcToRun();
}

Usage:

var ReturnValue = Runner(() => GetUser(99));

You don't need to go level up and use .. since all buttons are on the same level:

//button[contains(.,'Arcade Reader')]/preceding-sibling::button[@name='settings']

In my MacOS case for some reason Cmd+Shift+L is not working while pressing the short cut on the keyboard (although it work just fine while clicking on this option in menu: Selection -> Select All Occurences). So for me pressing Cmd+FN+F2 did the trick (FN is for enabling "F2" obviously).

Btw, if you forget this shortcut just do right-click on the selection and see "Change All Occurrences" option

Here's a method which receives boundaries and returns a random integer. It is slightly more advanced (completely universal): boundaries can be both positive and negative, and minimum/maximum boundaries can come in any order.

int myRand(int i_from, int i_to) {
  return (int)(Math.random() * (Math.abs(i_from - i_to) + 1)) + Math.min(i_from, i_to);
}

In general, it finds the absolute distance between the borders, gets relevant random value, and then shifts the answer based on the bottom border.

data = {a: {b: [1, 2]}}.to_json
uri = URI 'https://myapp.com/api/v1/resource'
https = Net::HTTP.new uri.host, uri.port
https.use_ssl = true
https.post2 uri.path, data, 'Content-Type' => 'application/json'

In my case has helped to exclude javax.transaction.jta dependency from hibernate:

<dependency>
  <groupId>org.hibernate</groupId>
  <artifactId>hibernate</artifactId>
  <version>3.2.7.ga</version>
  <exclusions>
    <exclusion>
      <groupId>javax.transaction</groupId>
      <artifactId>jta</artifactId>
    </exclusion>
  </exclusions>
</dependency>

The 'find' method can be used to get all child inputs of a container that has already been cached to save looking it up again (whereas the 'children' method will only get the immediate children). e.g.

var panel= $("#panel");
var inputs = panel.find("input");

NUL in Windows seems to be actually a virtual path in any folder. Just like .., . in any filesystem.

Use any folder followed with NUL will work.

Example,

echo 1 > nul
echo 1 > c:\nul
echo 1 > c:\users\nul
echo 1 > c:\windows\nul

have the same effect as /dev/null on Linux.

This was tested on Windows 7, 64 bit.

This might be what you are looking for:

<?php

$text = 'This is a Simple text.';

// this echoes "is is a Simple text." because 'i' is matched first
echo strpbrk($text, 'mi');

// this echoes "Simple text." because chars are case sensitive
echo strpbrk($text, 'S');
?>

Is it?

Or maybe this:

<?php
$mystring = 'abc';
$findme   = 'a';
$pos = strpos($mystring, $findme);

// Note our use of ===.  Simply == would not work as expected
// because the position of 'a' was the 0th (first) character.
if ($pos === false) {
    echo "The string '$findme' was not found in the string '$mystring'";
} else {
    echo "The string '$findme' was found in the string '$mystring'";
    echo " and exists at position $pos";
}
?>

Or even this

<?php
$email  = '[email protected]';
$domain = strstr($email, '@');
echo $domain; // prints @example.com

$user = strstr($email, '@', true); // As of PHP 5.3.0
echo $user; // prints name
?>

You can read all about them in the documentation here:

http://php.net/manual/en/book.strings.php

I implement a app demo following Sajmon's answer. Just for anyone else who search this question.

You can access source code on GitHub

<?php
$host = "localhost";
$uname = "root";
$pass = "";
$database = "demo1"; //Change Your Database Name
$conn = new mysqli($host, $uname, $pass, $database);
$filename = 'users.sql'; //How to Create SQL File Step : url:http://localhost/phpmyadmin->detabase select->table select->Export(In Upper Toolbar)->Go:DOWNLOAD .SQL FILE
$op_data = '';
$lines = file($filename);
foreach ($lines as $line)
{
    if (substr($line, 0, 2) == '--' || $line == '')//This IF Remove Comment Inside SQL FILE
    {
        continue;
    }
    $op_data .= $line;
    if (substr(trim($line), -1, 1) == ';')//Breack Line Upto ';' NEW QUERY
    {
        $conn->query($op_data);
        $op_data = '';
    }
}
echo "Table Created Inside " . $database . " Database.......";
?>

PostgreSQL GIS extensions might be helpful - as in, it may already implement much of the functionality you are thinking of implementing.

It also posible string replacement with stringByReplacingCharactersInRange:withString:

for (int i = 0; i < card.length - 4; i++) {

    if (![[card substringWithRange:NSMakeRange(i, 1)] isEqual:@" "]) {

        NSRange range = NSMakeRange(i, 1);
        card = [card stringByReplacingCharactersInRange:range withString:@"*"];

    }

} //out: **** **** **** 1234

A HANDLE is a context-specific unique identifier. By context-specific, I mean that a handle obtained from one context cannot necessarily be used in any other aribtrary context that also works on HANDLEs.

For example, GetModuleHandle returns a unique identifier to a currently loaded module. The returned handle can be used in other functions that accept module handles. It cannot be given to functions that require other types of handles. For example, you couldn't give a handle returned from GetModuleHandle to HeapDestroy and expect it to do something sensible.

The HANDLE itself is just an integral type. Usually, but not necessarily, it is a pointer to some underlying type or memory location. For example, the HANDLE returned by GetModuleHandle is actually a pointer to the base virtual memory address of the module. But there is no rule stating that handles must be pointers. A handle could also just be a simple integer (which could possibly be used by some Win32 API as an index into an array).

HANDLEs are intentionally opaque representations that provide encapsulation and abstraction from internal Win32 resources. This way, the Win32 APIs could potentially change the underlying type behind a HANDLE, without it impacting user code in any way (at least that's the idea).

Consider these three different internal implementations of a Win32 API that I just made up, and assume that Widget is a struct.

Widget * GetWidget (std::string name)
{
    Widget *w;

    w = findWidget(name);

    return w;
}

void * GetWidget (std::string name)
{
    Widget *w;

    w = findWidget(name);

    return reinterpret_cast<void *>(w);
}

typedef void * HANDLE;

HANDLE GetWidget (std::string name)
{
    Widget *w;

    w = findWidget(name);

    return reinterpret_cast<HANDLE>(w);
}

The first example exposes the internal details about the API: it allows the user code to know that GetWidget returns a pointer to a struct Widget. This has a couple of consequences:

• the user code must have access to the header file that defines the Widget struct
• the user code could potentially modify internal parts of the returned Widget struct

Both of these consequences may be undesirable.

The second example hides this internal detail from the user code, by returning just void *. The user code doesn't need access to the header that defines the Widget struct.

The third example is exactly the same as the second, but we just call the void * a HANDLE instead. Perhaps this discourages user code from trying to figure out exactly what the void * points to.

Why go through this trouble? Consider this fourth example of a newer version of this same API:

typedef void * HANDLE;

HANDLE GetWidget (std::string name)
{
    NewImprovedWidget *w;

    w = findImprovedWidget(name);

    return reinterpret_cast<HANDLE>(w);
}

Notice that the function's interface is identical to the third example above. This means that user code can continue to use this new version of the API, without any changes, even though the "behind the scenes" implementation has changed to use the NewImprovedWidget struct instead.

The handles in these example are really just a new, presumably friendlier, name for void *, which is exactly what a HANDLE is in the Win32 API (look it up at MSDN). It provides an opaque wall between the user code and the Win32 library's internal representations that increases portability, between versions of Windows, of code that uses the Win32 API.

It's not very clear what the problem is and what you are trying to accomplish from the code you posted, but I'll take a stab at it.

In general, I suggest calling a function on ng-click like so:

<a ng-click="navigateToPath()">click me</a>

obj.val1 & obj.val2 should be available on your controller's $scope, you dont need to pass those into a function from the markup.

then, in your controller:

$scope.navigateToPath = function(){
   var path = '/somePath/' + $scope.obj.val1 + '/' + $scope.obj.val2; //dont need the '#'
   $location.path(path)       
}

If you are already using javascript take a look at jQuery. It supports a browser independent "last-child" selector and you can do something like this.

$("td:last-child").css({border:"none"})

Check out the Magick++ API to ImageMagick.

I know this is older but why not create a var class and create constructors with different types and depending on what constructors gets invoked you get var with different type. You could even build in methods to convert one type to another.

You use the following code to log post data:

router.post("/users",function(req,res){
    res.send(JSON.stringify(req.body, null, 4));
});

You can use .replace. For example:

>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2: np.nan}, 'col1': {0: 'w', 1: 1, 2: 2}})
>>> di = {1: "A", 2: "B"}
>>> df
  col1 col2
0    w    a
1    1    2
2    2  NaN
>>> df.replace({"col1": di})
  col1 col2
0    w    a
1    A    2
2    B  NaN

or directly on the Series, i.e. df["col1"].replace(di, inplace=True).

private void cleanlistbox(object sender, EventArgs e)
{
    listBox1.Items.Clear();
}

I just tried. If you execute the statement to generate your local table, the tool will accept that this column name exists. Just mark the table generation statement in your editor window and click execute.

Ordered lists of element (unique or not)
Conform to Java's interface named List
Can be accessed by index

Implemented using

• LinkedList
• ArrayList

Lists of unique elements:
Conform to Java's interface named Set
Can not be accessed by index

Implemented using

• HashSet (unordered)
• LinkedHashSet (ordered)
• TreeSet (sorted by natural order or by provided comparator)

Both interfaces Set and List conform to Java's interface named Collection

<li *ngFor="let obj of myArray">{{obj | json}}</li>

I ran this command:

C:\MongoDB\Server\3.4\bin>net start MongoDB

And got this message:

The service is not responding to the control function. More help is available by typing NET HELPMSG 2186.

After some trials and errors, I noticed when following the tutorial it asked me to name my file mongod.conf but the command was trying to refer to mongod.cfg.

As soon as I corrected that name and re-run the commands,

C:\MongoDB\Server\3.4\bin>sc.exe delete MongoDB
[SC] DeleteService SUCCESS

C:\MongoDB\Server\3.4\bin>sc.exe create MongoDB binPath= "\"C:\MongoDB\Server\3.4\bin\mongod.exe\" --service --config=\"C:\MongoDB\Server\3.4\mongod.cfg\"" DisplayName= "MongoDB" start= "auto"
[SC] CreateService SUCCESS

C:\MongoDB\Server\3.4\bin>net start MongoDB
The MongoDB service is starting....
The MongoDB service was started successfully.

The service started running fine.

Its ec2-user for Amazon Linux AMI's and ubuntu for Ubuntu images. Also, RHEL 6.4 and later ec2-user RHEL 6.3 and earlier root Fedora ec2-user Centos root

According to the documentation the related method to android:backgroundTint is setBackgroundTintList(ColorStateList list)

Update

Follow this link to know how create a Color State List Resource.

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <item
        android:color="#your_color_here" />
</selector>

then load it using

setBackgroundTintList(contextInstance.getResources().getColorStateList(R.color.your_xml_name));

where contextInstance is an instance of a Context

using AppCompart

btnTag.setSupportButtonTintList(ContextCompat.getColorStateList(Activity.this, R.color.colorPrimary));

To my understanding - we do not declare a variable with a data type so by default R has set any number without L to be a numeric. If you wrote:

> x <- c(4L, 5L, 6L, 6L)
> class(x)
>"integer" #it would be correct

Example of Integer:

> x<- 2L
> print(x)

Example of Numeric (kind of like double/float from other programming languages)

> x<-3.4
> print(x)

It is possible. But you have to hack it a little, there is a code What you have to do is to run stand alone server and "patch" RemoteWebDriver

public class CustomRemoteWebDriver : RemoteWebDriver
{
    public static bool newSession;
    public static string capPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFiles", "tmp", "sessionCap");
    public static string sessiodIdPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFiles", "tmp", "sessionid");

    public CustomRemoteWebDriver(Uri remoteAddress) 
        : base(remoteAddress, new DesiredCapabilities())
    {
    }

    protected override Response Execute(DriverCommand driverCommandToExecute, Dictionary<string, object> parameters)
    {
        if (driverCommandToExecute == DriverCommand.NewSession)
        {
            if (!newSession)
            {
                var capText = File.ReadAllText(capPath);
                var sidText = File.ReadAllText(sessiodIdPath);

                var cap = JsonConvert.DeserializeObject<Dictionary<string, object>>(capText);
                return new Response
                {
                    SessionId = sidText,
                    Value = cap
                };
            }
            else
            {
                var response = base.Execute(driverCommandToExecute, parameters);
                var dictionary = (Dictionary<string, object>) response.Value;
                File.WriteAllText(capPath, JsonConvert.SerializeObject(dictionary));
                File.WriteAllText(sessiodIdPath, response.SessionId);
                return response;
            }
        }
        else
        {
            var response = base.Execute(driverCommandToExecute, parameters);
            return response;
        }
    }
}

Change your storage engine to InnoDB by going to Operation

DECLARE @tab AS TABLE (col1 VARCHAR(10), col2 varchar(10)) 
INSERT into @tab EXECUTE  sp_executesql N'
SELECT 1 AS col1, 2 AS col2
UNION ALL
SELECT 1 AS col1, 2 AS col2
UNION ALL
SELECT 1 AS col1, 2 AS col2'

SELECT * FROM @tab

If your value under test is a Double (not a primitive) and might be null (which is obviously not a number too), then you should use the following term:

(value==null || Double.isNaN(value))

Since isNaN() wants a primitive (rather than boxing any primitive double to a Double), passing a null value (which can't be unboxed to a Double) will result in an exception instead of the expected false.

Instead of doing recursion, the parts of the code with checkNextID(ID + 18) and similar could be replaced with ID+=18, and then if you remove all instances of return 0, then it should do the same thing but as a simple loop. You should then put a return 0 at the end and make your variables non-global.

Summary of other answers after reading through them and playing a bit:

The usual command line command would be

git log --follow --all -p dir/file.c

But you can also use either gitk (gui) or tig (text-ui) to give much more human-readable ways of looking at it.

gitk --follow --all -p dir/file.c

tig --follow --all -p dir/file.c

Under debian/ubuntu, the install command for these lovely tools is as expected :

sudo apt-get install gitk tig

And I'm currently using:

alias gdf='gitk --follow --all -p'

so that I can just type gdf dir to get a focussed history of everything in subdirectory dir.

Had the same issue, because I forgot to go into my virtual machine. If I go to my local directory like this:

cd /www/homestead/my_project
php artisan migrate

that error will appear. But it works on my virtual machine

cd ~/homestead
vagrant ssh   
cd /www/homestead/my_project
php artisan migrate

Using ES6 the javascript becomes a little cleaner

handleFiles(input) {

    const file = input.target.files[0];
    const reader = new FileReader();

    reader.onload = (event) => {
        const file = event.target.result;
        const allLines = file.split(/\r\n|\n/);
        // Reading line by line
        allLines.forEach((line) => {
            console.log(line);
        });
    };

    reader.onerror = (event) => {
        alert(event.target.error.name);
    };

    reader.readAsText(file);
}