Adding the why this occurs and more possible cause. A lot of interfaces still do not understand ES6 Javascript syntax/features, hence there is need for Es6 to be compiled to ES5 whenever it is used in any file or project. The possible reasons for the SyntaxError: Cannot use import statement outside a module error is you are trying to run the file independently, you are yet to install and set up an Es6 compiler such as Babel or the path of the file in your runscript is wrong/not the compiled file. If you will want to continue without a compiler the best possible solution is to use ES5 syntax which in your case would be var ms = require(./ms.js); this can later be updated as appropriate or better still setup your compiler and ensure your file/project is compiled before running and also ensure your run script is running the compiled file usually named dist, build or whatever you named it and the path to the compiled file in your runscript is correct.

I have run into this before and trying a number of things has fixed it for me:

• Delete a bin folder if it exists
• Delete the hidden .vs folder
• Make sure the 4.6.1 targeting pack is installed
• Last Ditch Effort: Add a reference to System.Runtime (right click project -> add -> reference -> tick the box next to System.Runtime), although I think I've always figured out one of the above has solved it instead of doing this.

Also, if this is a .net core app running on the full framework, I've found you have to include a global.json file at the root of your project and point it to the SDK you want to use for that project:

{
  "sdk": {
    "version": "1.0.0-preview2-003121"
  }
}

Many modern browsers now support ES6 modules. As long as you import your scripts (including the entrypoint to your application) using <script type="module" src="..."> it will work.

Take a look at caniuse.com for more details: https://caniuse.com/#feat=es6-module

The question is already answered, but you can resolve it like this:

File dependency.js

const doSomething = (x) => x
export default doSomething;

File myModule.js

import doSomething from "./dependency";

export default (x) => doSomething(x * 2);

File myModule.spec.js

jest.mock('../dependency');
import doSomething from "../dependency";
import myModule from "../myModule";

describe('myModule', () => {
  it('calls the dependency with double the input', () => {
    doSomething.mockImplementation((x) => x * 10)

    myModule(2);

    expect(doSomething).toHaveBeenCalledWith(4);
    console.log(myModule(2)) // 40
  });
});

You did not post the code generated by the compiler, so there' some guesswork here, but even without having seen it, one can say that this:

test rax, 1
jpe even

... has a 50% chance of mispredicting the branch, and that will come expensive.

The compiler almost certainly does both computations (which costs neglegibly more since the div/mod is quite long latency, so the multiply-add is "free") and follows up with a CMOV. Which, of course, has a zero percent chance of being mispredicted.

You can also do it with a one liner with step support like this one:

((from, to, step) => ((add, arr, v) => add(arr, v, add))((arr, v, add) => v < to ? add(arr.concat([v]), v + step, add) : arr, [], from))(0, 10, 1)

The result is [0, 1, 2, 3, 4, 5, 6 ,7 ,8 ,9].

obscuring it in an eval worked for me, hiding it from the static analyzer ...

if (typeof __CLI__ !== 'undefined') {
  eval("require('fs');")
}

For NodeJS v12 and above, --experimental-json-modules would do the trick, without any help from babel.

https://nodejs.org/docs/latest-v14.x/api/esm.html#esm_experimental_json_modules

But it is imported in commonjs form, so import { a, b } from 'c.json' is not yet supported.

But you can do:

import c from 'c.json';
const { a, b } = c;

In order to use jQuery inside Angular only declare the $ as following: declare var $: any;

OK!

The code below is written using ES6 syntaxes but could just as easily be written in ES5 or even less. ES6 is not a requirement to create a "mechanism to loop x times"

If you don't need the iterator in the callback, this is the most simple implementation

const times = x => f => {_x000D_
  if (x > 0) {_x000D_
    f()_x000D_
    times (x - 1) (f)_x000D_
  }_x000D_
}_x000D_
_x000D_
// use it_x000D_
times (3) (() => console.log('hi'))_x000D_
_x000D_
// or define intermediate functions for reuse_x000D_
let twice = times (2)_x000D_
_x000D_
// twice the power !_x000D_
twice (() => console.log('double vision'))

If you do need the iterator, you can use a named inner function with a counter parameter to iterate for you

const times = n => f => {_x000D_
  let iter = i => {_x000D_
    if (i === n) return_x000D_
    f (i)_x000D_
    iter (i + 1)_x000D_
  }_x000D_
  return iter (0)_x000D_
}_x000D_
_x000D_
times (3) (i => console.log(i, 'hi'))

Stop reading here if you don't like learning more things ...

But something should feel off about those...

• single branch if statements are ugly — what happens on the other branch ?
• multiple statements/expressions in the function bodies — are procedure concerns being mixed ?
• implicitly returned undefined — indication of impure, side-effecting function

"Isn't there a better way ?"

There is. Let's first revisit our initial implementation

// times :: Int -> (void -> void) -> void
const times = x => f => {
  if (x > 0) {
    f()               // has to be side-effecting function
    times (x - 1) (f)
  }
}

Sure, it's simple, but notice how we just call f() and don't do anything with it. This really limits the type of function we can repeat multiple times. Even if we have the iterator available, f(i) isn't much more versatile.

What if we start with a better kind of function repetition procedure ? Maybe something that makes better use of input and output.

Generic function repetition

// repeat :: forall a. Int -> (a -> a) -> a -> a_x000D_
const repeat = n => f => x => {_x000D_
  if (n > 0)_x000D_
    return repeat (n - 1) (f) (f (x))_x000D_
  else_x000D_
    return x_x000D_
}_x000D_
_x000D_
// power :: Int -> Int -> Int_x000D_
const power = base => exp => {_x000D_
  // repeat <exp> times, <base> * <x>, starting with 1_x000D_
  return repeat (exp) (x => base * x) (1)_x000D_
}_x000D_
_x000D_
console.log(power (2) (8))_x000D_
// => 256

Above, we defined a generic repeat function which takes an additional input which is used to start the repeated application of a single function.

// repeat 3 times, the function f, starting with x ...
var result = repeat (3) (f) (x)

// is the same as ...
var result = f(f(f(x)))

Implementing times with repeat

Well this is easy now; almost all of the work is already done.

// repeat :: forall a. Int -> (a -> a) -> a -> a_x000D_
const repeat = n => f => x => {_x000D_
  if (n > 0)_x000D_
    return repeat (n - 1) (f) (f (x))_x000D_
  else_x000D_
    return x_x000D_
}_x000D_
_x000D_
// times :: Int -> (Int -> Int) -> Int _x000D_
const times = n=> f=>_x000D_
  repeat (n) (i => (f(i), i + 1)) (0)_x000D_
_x000D_
// use it_x000D_
times (3) (i => console.log(i, 'hi'))

Since our function takes i as an input and returns i + 1, this effectively works as our iterator which we pass to f each time.

We've fixed our bullet list of issues too

• No more ugly single branch if statements
• Single-expression bodies indicate nicely separated concerns
• No more useless, implicitly returned undefined

JavaScript comma operator, the

In case you're having trouble seeing how the last example is working, it depends on your awareness of one of JavaScript's oldest battle axes; the comma operator – in short, it evaluates expressions from left to right and returns the value of the last evaluated expression

(expr1 :: a, expr2 :: b, expr3 :: c) :: c

In our above example, I'm using

(i => (f(i), i + 1))

which is just a succinct way of writing

(i => { f(i); return i + 1 })

Tail Call Optimisation

As sexy as the recursive implementations are, at this point it would be irresponsible for me to recommend them given that no JavaScript VM I can think of supports proper tail call elimination – babel used to transpile it, but it's been in "broken; will reimplement" status for well over a year.

repeat (1e6) (someFunc) (x)
// => RangeError: Maximum call stack size exceeded

As such, we should revisit our implementation of repeat to make it stack-safe.

The code below does use mutable variables n and x but note that all mutations are localized to the repeat function – no state changes (mutations) are visible from outside of the function

// repeat :: Int -> (a -> a) -> (a -> a)_x000D_
const repeat = n => f => x =>_x000D_
  {_x000D_
    let m = 0, acc = x_x000D_
    while (m < n)_x000D_
      (m = m + 1, acc = f (acc))_x000D_
    return acc_x000D_
  }_x000D_
_x000D_
// inc :: Int -> Int_x000D_
const inc = x =>_x000D_
  x + 1_x000D_
_x000D_
console.log (repeat (1e8) (inc) (0))_x000D_
// 100000000

This is going to have a lot of you saying "but that's not functional !" – I know, just relax. We can implement a Clojure-style loop/recur interface for constant-space looping using pure expressions; none of that while stuff.

Here we abstract while away with our loop function – it looks for a special recur type to keep the loop running. When a non-recur type is encountered, the loop is finished and the result of the computation is returned

const recur = (...args) =>_x000D_
  ({ type: recur, args })_x000D_
  _x000D_
const loop = f =>_x000D_
  {_x000D_
    let acc = f ()_x000D_
    while (acc.type === recur)_x000D_
      acc = f (...acc.args)_x000D_
    return acc_x000D_
  }_x000D_
_x000D_
const repeat = $n => f => x =>_x000D_
  loop ((n = $n, acc = x) =>_x000D_
    n === 0_x000D_
      ? acc_x000D_
      : recur (n - 1, f (acc)))_x000D_
      _x000D_
const inc = x =>_x000D_
  x + 1_x000D_
_x000D_
const fibonacci = $n =>_x000D_
  loop ((n = $n, a = 0, b = 1) =>_x000D_
    n === 0_x000D_
      ? a_x000D_
      : recur (n - 1, b, a + b))_x000D_
      _x000D_
console.log (repeat (1e7) (inc) (0)) // 10000000_x000D_
console.log (fibonacci (100))        // 354224848179262000000

Typescript does not yet support Map.

ES6 Compatibility Table

It is actually impossible to stop the execution of the promise, but you can hijack the reject and call it from the promise itself.

class CancelablePromise {
  constructor(executor) {
    let _reject = null;
    const cancelablePromise = new Promise((resolve, reject) => {
      _reject = reject;
      return executor(resolve, reject);
    });
    cancelablePromise.cancel = _reject;

    return cancelablePromise;
  }
}

Usage:

const p = new CancelablePromise((resolve, reject) => {
  setTimeout(() => {
    console.log('resolved!');
    resolve();
  }, 2000);
})

p.catch(console.log);

setTimeout(() => {
  p.cancel(new Error('Messed up!'));
}, 1000);

Is there such a thing as destructors for ECMAScript 6?

No. EcmaScript 6 does not specify any garbage collection semantics at all^[1], so there is nothing like a "destruction" either.

If I register some of my object's methods as event listeners in the constructor, I want to remove them when my object is deleted

A destructor wouldn't even help you here. It's the event listeners themselves that still reference your object, so it would not be able to get garbage-collected before they are unregistered.
What you are actually looking for is a method of registering listeners without marking them as live root objects. (Ask your local eventsource manufacturer for such a feature).

_{1): Well, there is a beginning with the specification of WeakMap and WeakSet objects. However, true weak references are still in the pipeline [1][2].}

ES6 Arrow Function returns an Object

the right ways

1. normal function return an object

const getUser = user => {return { name: user.name, age: user.age };};

const user = { name: "xgqfrms", age: 21 };

console.log(getUser(user));
//  {name: "xgqfrms", age: 21}

2. (js expressions )

const getUser = user => ({ name: user.name, age: user.age });

const user = { name: "xgqfrms", age: 21 };

console.log(getUser(user));
//  {name: "xgqfrms", age: 21}

explain

refs

https://github.com/lydiahallie/javascript-questions/issues/220

https://mariusschulz.com/blog/returning-object-literals-from-arrow-functions-in-javascript

It doesn't exist but you can use JSON.parse(JSON.stringify(jobs))

You can always use normal functions:

function myPrivateFunction() {
  console.log("My property: " + this.prop);
}

class MyClass() {
  constructor() {
    this.prop = "myProp";
    myPrivateFunction.bind(this)();
  }
}

new MyClass(); // 'My property: myProp'

I had a problem with go get using private repository on gitlab from our company. I lost a few minutes trying to find a solution. And I did find this one:

1. You need to get a private token at:
   https://gitlab.mycompany.com/profile/account

2. Configure you git to add extra header with your private token:

   $ git config --global http.extraheader "PRIVATE-TOKEN: YOUR_PRIVATE_TOKEN
   

3. Configure your git to convert requests from http to ssh:

   $ git config --global url."[email protected]:".insteadOf "https://gitlab.mycompany.com/"
   

4. Finally you can use your go get normally:

   $ go get gitlab.com/company/private_repo
   

I had the same issue after installing the java-1.8.0-openjdk package on an AWS Linux AMI. The incorrect assumption I made, was that because the file ended in openjdk it would be the jdk version. This is not the case.

The openjdk install page explains everything clearly.

The java-1.8.0-openjdk package contains just the Java Runtime Environment. If you want to develop Java programs then install the java-1.8.0-openjdk-devel package.

If you've already installed the java-1.8.0-openjdk package, just leave it and the JAVA_HOME value if it's working for the JRE and install the java-1.8.0-openjdk-devel package using yum install java-1.8.0-openjdk-devel -y.

I made this plugin. There is some css interference taking place.

It's your border on the slider itself. Either use

box-sizing: border-box 

to absorb the border width, or put the border on the content inside the slide.

I think you've missed the point of access control.

A quick recap on why CORS exists: Since JS code from a website can execute XHR, that site could potentially send requests to other sites, masquerading as you and exploiting the trust those sites have in you(e.g. if you have logged in, a malicious site could attempt to extract information or execute actions you never wanted) - this is called a CSRF attack. To prevent that, web browsers have very stringent limitations on what XHR you can send - you are generally limited to just your domain, and so on.

Now, sometimes it's useful for a site to allow other sites to contact it - sites that provide APIs or services, like the one you're trying to access, would be prime candidates. CORS was developed to allow site A(e.g. paste.ee) to say "I trust site B, so you can send XHR from it to me". This is specified by site A sending "Access-Control-Allow-Origin" headers in its responses.

In your specific case, it seems that paste.ee doesn't bother to use CORS. Your best bet is to contact the site owner and find out why, if you want to use paste.ee with a browser script. Alternatively, you could try using an extension(those should have higher XHR privileges).

In the form designer add a new timer using the toolbox. In properties set "Enabled" equal to "True".

The set the DataGridView to equal your new data in the timer

Recently used xlsx package, works well.

library(xlsx)
write.xlsx(x, file, sheetName="Sheet1")

where x is a data.frame

In addition to the other answers, I've found that Maps are more unwieldy and verbose to operate with than objects.

obj[key] += x
// vs.
map.set(map.get(key) + x)

This is important, because shorter code is faster to read, more directly expressive, and better kept in the programmer's head.

Another aspect: because set() returns the map, not the value, it's impossible to chain assignments.

foo = obj[key] = x;  // Does what you expect
foo = map.set(key, x)  // foo !== x; foo === map

Debugging maps is also more painful. Below, you can't actually see what keys are in the map. You'd have to write code to do that.

Objects can be evaluated by any IDE:

I'm assuming you figured this out already but:

Technical Reference for Log Files in Configuration Manager

That's a list of client-side logs and what they do. They are located in Windows\CCM\Logs

AppEnforce.log will show you the actual command-line executed and the resulting exit code for each Deployment Type (only for the new style ConfigMgr Applications)

This is my go-to for troubleshooting apps. Haven't really found any other logs that are exceedingly useful.

Alternatively you could use a loop, keep the row number (counter should be the row number) and stop the loop when you find the first "ProjTemp".
Then it should look something like this:

Sub find()
    Dim i As Integer
    Dim firstTime As Integer
    Dim bNotFound As Boolean

    i = 1
    bNotFound = True

      Do While bNotFound
        If Cells(i, 2).Value = "ProjTemp" Then
            firstTime = i
            bNotFound = false
        End If
        i = i + 1
    Loop
End Sub

In windows you can use your Command Prompcmd cmd , in Ubuntu you can use your terminal by typing the following command:

mongoimport  -d  your_database_name  -c  your_collection_name  /path_to_json_file/json_file_name.json

then when you open your mongo shell, you will find to check your database_name when running this command:

show databases

Microsoft Core Library, ie they are at the heart of everything.

There is a more "massaged" explanation you may prefer:

"When Microsoft first started working on the .NET Framework, MSCorLib.dll was an acronym for Microsoft Common Object Runtime Library. Once ECMA started to standardize the CLR and parts of the FCL, MSCorLib.dll officially became the acronym for Multilanguage Standard Common Object Runtime Library."

From http://weblogs.asp.net/mreynolds/archive/2004/01/31/65551.aspx

Around 1999, to my personal memory, .Net was known as "COOL", so I am a little suspicious of this derivation. I never heard it called "COR", which is a silly-sounding name to a native English speaker.

Afaik the Browser application data is NOT clearable for other apps, since it is store in private_mode. So executing this command could probalby only work on rooted devices. Otherwise you should try another approach.

Use findIndex as other previously written. Here's the full example:

function find(arr, predicate) {
    foundIndex = arr.findIndex(predicate);
    return foundIndex !== -1 ? arr[foundIndex] : null;
}

And usage is following (we want to find first element in array which has property id === 1).

var firstElement = find(arr, e => e.id === 1);

I happen to be learning prototype from You Don't Know JS: this & Object Prototypes, which is a wonderful book to understand the design underneath and clarify so many misconceptions (that's why I'm trying to avoid using inheritance and things like instanceof).

But I have the same question as people asked here. Several answers are really helpful and enlightening. I'd also love to share my understandings.

What is a prototype?

Objects in JavaScript have an internal property, denoted in the specification as[[Prototype]], which is simply a reference to another object. Almost all objects are given a non-nullvalue for this property, at the time of their creation.

How to get an object's prototype?

via __proto__or Object.getPrototypeOf

var a = { name: "wendi" };
a.__proto__ === Object.prototype // true
Object.getPrototypeOf(a) === Object.prototype // true

function Foo() {};
var b = new Foo();
b.__proto__ === Foo.prototype
b.__proto__.__proto__ === Object.prototype

What is the prototype ?

prototype is an object automatically created as a special property of a function, which is used to establish the delegation (inheritance) chain, aka prototype chain.

When we create a function a, prototype is automatically created as a special property on a and saves the function code on as the constructor on prototype.

function Foo() {};
Foo.prototype // Object {constructor: function}
Foo.prototype.constructor === Foo // true

I'd love to consider this property as the place to store the properties (including methods) of a function object. That's also the reason why utility functions in JS are defined like Array.prototype.forEach() , Function.prototype.bind(), Object.prototype.toString().

Why to emphasize the property of a function?

{}.prototype // undefined;
(function(){}).prototype // Object {constructor: function}

// The example above shows object does not have the prototype property.
// But we have Object.prototype, which implies an interesting fact that
typeof Object === "function"
var obj = new Object();

So, Arary, Function, Objectare all functions. I should admit that this refreshes my impression on JS. I know functions are first-class citizen in JS but it seems that it is built on functions.

What's the difference between __proto__ and prototype?

__proto__a reference works on every object to refer to its [[Prototype]]property.

prototype is an object automatically created as a special property of a function, which is used to store the properties (including methods) of a function object.

With these two, we could mentally map out the prototype chain. Like this picture illustrates:

function Foo() {}
var b = new Foo();

b.__proto__ === Foo.prototype // true
Foo.__proto__ === Function.prototype // true
Function.prototype.__proto__ === Object.prototype // true

See the documentation on MDN about expressions and operators and statements.

Basic keywords and general expressions

this keyword:

• How does the "this" keyword work?

var x = function() vs. function x() — Function declaration syntax

• var functionName = function() {} vs function functionName() {}

(function(){…})() — IIFE (Immediately Invoked Function Expression)

• What is the purpose?, How is it called?
• Why does (function(){…})(); work but function(){…}(); doesn't?
• (function(){…})(); vs (function(){…}());
• shorter alternatives:
  • !function(){…}(); - What does the exclamation mark do before the function?
  • +function(){…}(); - JavaScript plus sign in front of function expression
  • !function(){ }() vs (function(){ })(), ! vs leading semicolon
• (function(window, undefined){…}(window));

someFunction()() — Functions which return other functions

• Two sets of parentheses after function call

=> — Equal sign, greater than: arrow function expression syntax

• What's the meaning of "=>" (an arrow formed from equals & greater than) in JavaScript?

|> — Pipe, greater than: Pipeline operator

• What does the "|>" operator do in Javascript?

function*, yield, yield* — Star after function or yield: generator functions

• What is "function*" in JavaScript?
• What's the yield keyword in JavaScript?
• Delegated yield (yield star, yield *) in generator functions

[], Array() — Square brackets: array notation

• What’s the difference between "Array()" and "[]" while declaring a JavaScript array?
• What is array literal notation in javascript and when should you use it?

If the square brackets appear on the left side of an assignment ([a] = ...), or inside a function's parameters, it's a destructuring assignment.

{key: value} — Curly brackets: object literal syntax (not to be confused with blocks)

• What do curly braces in JavaScript mean?
• Javascript object literal: what exactly is {a, b, c}?
• What do square brackets around a property name in an object literal mean?

If the curly brackets appear on the left side of an assignment ({ a } = ...) or inside a function's parameters, it's a destructuring assignment.

`…${…}…` — Backticks, dollar sign with curly brackets: template literals

• What does this `…${…}…` code from the node docs mean?
• Usage of the backtick character (`) in JavaScript?
• What is the purpose of template literals (backticks) following a function in ES6?

/…/ — Slashes: regular expression literals

• Meaning of javascript text between two slashes

$ — Dollar sign in regex replace patterns: $$, $&, $`, $', $n

• JavaScript replace() method dollar signs

() — Parentheses: grouping operator

• MDN: Grouping operator

Property-related expressions

obj.prop, obj[prop], obj["prop"] — Square brackets or dot: property accessors

• JavaScript property access: dot notation vs. brackets?

?., ?.[], ?.() — Question mark, dot: optional chaining operator

• Question mark after parameter
• Null-safe property access (and conditional assignment) in ES6/2015
• Optional Chaining in JavaScript
• Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
• Is there a "null coalescing" operator in JavaScript?

:: — Double colon: bind operator

• JavaScript double colon (bind operator)

new operator

• What is the 'new' keyword in JavaScript?
• What is "new.target"?

...iter — Three dots: spread syntax; rest parameters

• (...args) => {} — What is the meaning of “…args” (three dots) in a function definition?
• [...iter] — javascript es6 array feature […data, 0] “spread operator”
• {...props} — Javascript Property with three dots (…)

Increment and decrement

++, -- — Double plus or minus: pre- / post-increment / -decrement operators

• ++someVariable vs someVariable++ in Javascript

Unary and binary (arithmetic, logical, bitwise) operators

delete operator

• What is the purpose of the delete operator in Javascript?

void operator

• What does `void 0` mean?

+, - — Plus and minus: addition or concatenation, and subtraction operators; unary sign operators

• What does = +_ mean in JavaScript, Single plus operator in javascript
• What's the significant use of unary plus and minus operators?
• Why is [1,2] + [3,4] = "1,23,4" in JavaScript?
• Why does JavaScript handle the plus and minus operators between strings and numbers differently?

|, &, ^, ~ — Single pipe, ampersand, circumflex, tilde: bitwise OR, AND, XOR, & NOT operators

• What do these JavaScript bitwise operators do?
• How to: The ~ operator?
• Is there a & logical operator in Javascript
• What does the "|" (single pipe) do in JavaScript?
• What does the operator |= do in JavaScript?
• What does the ^ (caret) symbol do in JavaScript?
• Using bitwise OR 0 to floor a number, How does x|0 floor the number in JavaScript?
• Why does ~1 equal -2?
• What does ~~ ("double tilde") do in Javascript?
• How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method call? (also here and here)

% — Percent sign: remainder operator

• What does % do in JavaScript?

&&, ||, ! — Double ampersand, double pipe, exclamation point: logical operators

• Logical operators in JavaScript — how do you use them?
• Logical operator || in javascript, 0 stands for Boolean false?
• What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?, JavaScript OR (||) variable assignment explanation, What does the construct x = x || y mean?
• Javascript AND operator within assignment
• What is "x && foo()"? (also here and here)
• What is the !! (not not) operator in JavaScript?
• What is an exclamation point in JavaScript?

?? — Double question mark: nullish-coalescing operator

• How is the nullish coalescing operator (??) different from the logical OR operator (||) in ECMAScript?
• Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
• Is there a "null coalescing" operator in JavaScript?

** — Double star: power operator (exponentiation)

• x ** 2 is equivalent to Math.pow(x, 2)
• Is the double asterisk ** a valid JavaScript operator?
• MDN documentation

Equality operators

==, === — Equal signs: equality operators

• Which equals operator (== vs ===) should be used in JavaScript comparisons?
• How does JS type coercion work?
• In Javascript, <int-value> == "<int-value>" evaluates to true. Why is it so?
• [] == ![] evaluates to true
• Why does "undefined equals false" return false?
• Why does !new Boolean(false) equals false in JavaScript?
• Javascript 0 == '0'. Explain this example
• Why false == "false" is false?

!=, !== — Exclamation point and equal signs: inequality operators

• != vs. !==
• What is the difference between != and !== operators in JavaScript?

Bit shift operators

<<, >>, >>> — Two or three angle brackets: bit shift operators

• What do these JavaScript bitwise operators do?
• Double more-than symbol in JavaScript
• What is the JavaScript >>> operator and how do you use it?

Conditional operator

…?…:… — Question mark and colon: conditional (ternary) operator

• Question mark and colon in JavaScript
• Operator precedence with Javascript Ternary operator
• How do you use the ? : (conditional) operator in JavaScript?

Assignment operators

= — Equal sign: assignment operator

• In javascript == vs =?

%= — Percent equals: remainder assignment

• Having Confusion with Modulo operator

+= — Plus equals: addition assignment operator

• How does += (plus equal) work?

&&=, ||=, ??= — Double ampersand, pipe, or question mark, followed by equal sign: logical assignments

• Replace a value if null or undefined in JavaScript
• Set a variable if undefined
• Ruby’s ||= (or equals) in JavaScript?
• Original proposal
• Specification

Destructuring

• of function parameters: Where can I get info on the object parameter syntax for JavaScript functions?
• of arrays: Multiple assignment in javascript? What does [a,b,c] = [1, 2, 3]; mean?
• of objects/imports: Javascript object bracket notation ({ Navigation } =) on left side of assign

Comma operator

, — Comma operator

• What does a comma do in JavaScript expressions?
• Comma operator returns first value instead of second in argument list?
• When is the comma operator useful?

Control flow

{…} — Curly brackets: blocks (not to be confused with object literal syntax)

• JavaScript curly braces with no function or json

Declarations

var, let, const — Declaring variables

• What's the difference between using "let" and "var"?
• Are there constants in JavaScript?
• What is the temporal dead zone?

Label

label: — Colon: labels

• What does the JavaScript syntax foo: mean?
• What does ':' (colon) do in JavaScript?

# — Hash (number sign): Private methods or private fields

• What does the # symbol do in JavaScript?

On Linux there is unshield, which worked well for me (even if the GUI includes custom deterrents like license key prompts). It is included in the repositories of all major distributions (arch, suse, debian- and fedora-based) and its source is available at https://github.com/twogood/unshield

You will find below some code for reading unencrypted RSA keys encoded in the following formats:

• PKCS#1 PEM (-----BEGIN RSA PRIVATE KEY-----)
• PKCS#8 PEM (-----BEGIN PRIVATE KEY-----)
• PKCS#8 DER (binary)

It works with Java 7+ (and after 9) and doesn't use third-party libraries (like BouncyCastle) or internal Java APIs (like DerInputStream or DerValue).

private static final String PKCS_1_PEM_HEADER = "-----BEGIN RSA PRIVATE KEY-----";
private static final String PKCS_1_PEM_FOOTER = "-----END RSA PRIVATE KEY-----";
private static final String PKCS_8_PEM_HEADER = "-----BEGIN PRIVATE KEY-----";
private static final String PKCS_8_PEM_FOOTER = "-----END PRIVATE KEY-----";

public static PrivateKey loadKey(String keyFilePath) throws GeneralSecurityException, IOException {
    byte[] keyDataBytes = Files.readAllBytes(Paths.get(keyFilePath));
    String keyDataString = new String(keyDataBytes, StandardCharsets.UTF_8);

    if (keyDataString.contains(PKCS_1_PEM_HEADER)) {
        // OpenSSL / PKCS#1 Base64 PEM encoded file
        keyDataString = keyDataString.replace(PKCS_1_PEM_HEADER, "");
        keyDataString = keyDataString.replace(PKCS_1_PEM_FOOTER, "");
        return readPkcs1PrivateKey(Base64.decodeBase64(keyDataString));
    }

    if (keyDataString.contains(PKCS_8_PEM_HEADER)) {
        // PKCS#8 Base64 PEM encoded file
        keyDataString = keyDataString.replace(PKCS_8_PEM_HEADER, "");
        keyDataString = keyDataString.replace(PKCS_8_PEM_FOOTER, "");
        return readPkcs8PrivateKey(Base64.decodeBase64(keyDataString));
    }

    // We assume it's a PKCS#8 DER encoded binary file
    return readPkcs8PrivateKey(Files.readAllBytes(Paths.get(keyFilePath)));
}

private static PrivateKey readPkcs8PrivateKey(byte[] pkcs8Bytes) throws GeneralSecurityException {
    KeyFactory keyFactory = KeyFactory.getInstance("RSA", "SunRsaSign");
    PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(pkcs8Bytes);
    try {
        return keyFactory.generatePrivate(keySpec);
    } catch (InvalidKeySpecException e) {
        throw new IllegalArgumentException("Unexpected key format!", e);
    }
}

private static PrivateKey readPkcs1PrivateKey(byte[] pkcs1Bytes) throws GeneralSecurityException {
    // We can't use Java internal APIs to parse ASN.1 structures, so we build a PKCS#8 key Java can understand
    int pkcs1Length = pkcs1Bytes.length;
    int totalLength = pkcs1Length + 22;
    byte[] pkcs8Header = new byte[] {
            0x30, (byte) 0x82, (byte) ((totalLength >> 8) & 0xff), (byte) (totalLength & 0xff), // Sequence + total length
            0x2, 0x1, 0x0, // Integer (0)
            0x30, 0xD, 0x6, 0x9, 0x2A, (byte) 0x86, 0x48, (byte) 0x86, (byte) 0xF7, 0xD, 0x1, 0x1, 0x1, 0x5, 0x0, // Sequence: 1.2.840.113549.1.1.1, NULL
            0x4, (byte) 0x82, (byte) ((pkcs1Length >> 8) & 0xff), (byte) (pkcs1Length & 0xff) // Octet string + length
    };
    byte[] pkcs8bytes = join(pkcs8Header, pkcs1Bytes);
    return readPkcs8PrivateKey(pkcs8bytes);
}

private static byte[] join(byte[] byteArray1, byte[] byteArray2){
    byte[] bytes = new byte[byteArray1.length + byteArray2.length];
    System.arraycopy(byteArray1, 0, bytes, 0, byteArray1.length);
    System.arraycopy(byteArray2, 0, bytes, byteArray1.length, byteArray2.length);
    return bytes;
}

Source: https://github.com/Mastercard/client-encryption-java/blob/master/src/main/java/com/mastercard/developer/utils/EncryptionUtils.java

function isEven(n) {return parseInt(n)%2===0?true:parseInt(n)===0?true:false}

when 0/even wanted but

isEven(0) //true
isEven(1) //false
isEven(2) //true
isEven(142856) //true
isEven(142856.142857)//true
isEven(142857.1457)//false

?

If you have Symbol properties in your object, that should be filtered too, you can not use: Object.keys Object.entries Object.fromEntries, ... because:

Symbol keys are not enumerable !

You could use Reflect.ownKeys and filter keys in reduce

Reflect.ownKeys(o).reduce((a, k) => allow.includes(k) && {...a, [k]: o[k]} || a, {});

(Open DevTools for log output - Symbols are not logged on Stackoverflow UI)

const bKey = Symbol('b_k');
const o = {
    a:                 1,
    [bKey]:            'b',
    c:                 [1, 3],
    [Symbol.for('d')]: 'd'
};

const allow = ['a', bKey, Symbol.for('d')];

const z1 = Reflect.ownKeys(o).reduce((a, k) => allow.includes(k) && {...a, [k]: o[k]} || a, {});

console.log(z1);                   // {a: 1, Symbol(b_k): "b", Symbol(d): "d"}
console.log(bKey in z1)            // true
console.log(Symbol.for('d') in z1) // true

This is equal to this

const z2 = Reflect.ownKeys(o).reduce((a, k) => allow.includes(k) && Object.assign(a, {[k]: o[k]}) || a, {});
const z3 = Reflect.ownKeys(o).reduce((a, k) => allow.includes(k) && Object.defineProperty(a, k, {value: o[k]}) || a, {});

console.log(z2); // {a: 1, Symbol(b_k): "b", Symbol(d): "d"}
console.log(z3); // {a: 1, Symbol(b_k): "b", Symbol(d): "d"}

Wrapped in a filter() function, an optional target object could be passed

const filter = (o, allow, t = {}) => Reflect.ownKeys(o).reduce(
    (a, k) => allow.includes(k) && {...a, [k]: o[k]} || a, 
    t
);

console.log(filter(o, allow));           // {a: 1, Symbol(b_k): "b", Symbol(d): "d"}
console.log(filter(o, allow, {e: 'e'})); // {a: 1, e: "e", Symbol(b_k): "b", Symbol(d): "d"}

• Array(5) gives you an array with length 5 but no values, hence you can't iterate over it.

• Array.apply(null, Array(5)).map(function () {}) gives you an array with length 5 and undefined as values, now it can be iterated over.

• Array.apply(null, Array(5)).map(function (x, i) { return i; }) gives you an array with length 5 and values 0,1,2,3,4.

• Array(5).forEach(alert) does nothing, Array.apply(null, Array(5)).forEach(alert) gives you 5 alerts

• ES6 gives us Array.from so now you can also use Array.from(Array(5)).forEach(alert)

• If you want to initialize with a certain value, these are good to knows...
  Array.from('abcde'), Array.from('x'.repeat(5))
  or Array.from({length: 5}, (v, i) => i) // gives [0, 1, 2, 3, 4]

After decoding, it looks like the data is a repeating structure that's 8 bytes long, or some multiple thereof. It's just binary data though; what it might mean, I have no idea. There are 2064 entries, which means that it could be a list of 2064 8-byte items down to 129 128-byte items.

when I send only one object from the client to server all works well.

when I attempt to send several objects one after another on the same stream I get StreamCorruptedException.

Actually, your client code is writing one object to the server and reading multiple objects from the server. And there is nothing on the server side that is writing the objects that the client is trying to read.

Summary:

• Object.create() is a Javascript function which takes 2 arguments and returns a new object.
• The first argument is an object which will be the prototype of the newly created object
• The second argument is an object which will be the properties of the newly created object

Example:

const proto = {_x000D_
  talk : () => console.log('hi')_x000D_
}_x000D_
_x000D_
const props = {_x000D_
  age: {_x000D_
    writable: true,_x000D_
    configurable: true,_x000D_
    value: 26_x000D_
  }_x000D_
}_x000D_
_x000D_
_x000D_
let Person = Object.create(proto, props)_x000D_
_x000D_
console.log(Person.age);_x000D_
Person.talk();

Practical applications:

1. The main advantage of creating an object in this manner is that the prototype can be explicitly defined. When using an object literal, or the new keyword you have no control over this (however, you can overwrite them of course).
2. If we want to have a prototype The new keyword invokes a constructor function. With Object.create() there is no need for invoking or even declaring a constructor function.
3. It can Basically be a helpful tool when you want create objects in a very dynamic manner. We can make an object factory function which creates objects with different prototypes depending on the arguments received.

try

myString.match(/\d/g).join``

var myString = 'abc123.8<blah>'_x000D_
console.log( myString.match(/\d/g).join`` );

You can use a function that accepts a array and finds the max value in it. i made it generic so it could also accept other data types

public static <T extends Comparable<T>> T findMax(T[] array){       
    T max = array[0];
    for(T data: array){
        if(data.compareTo(max)>0)
            max =data;                
    }
    return max;
}

Alternatively, you could use the jQuery 1.2 inArray function, which should work across browsers:

jQuery.inArray( value, array [, fromIndex ] )

Without var - global variable.

Strongly recommended to ALWAYS use var statement, because init global variable in local context - is evil. But, if you need this dirty trick, you should write comment at start of page:

/* global: varname1, varname2... */

I have seen some answers that came real close to this little snippet.

JavaScript way:

function isValidDate(dateObject){
    return new Date(dateObject).toString() !== 'Invalid Date';
}
console.log(isValidDate('WTH')); // -> false
console.log(isValidDate(new Date('WTH'))); // -> false
console.log(isValidDate(new Date())); // -> true

ES2015 way:

const isValidDate = dateObject => new Date(dateObject )
    .toString() !== 'Invalid Date';
console.log(isValidDate('WTH')); // -> false
console.log(isValidDate(new Date('WTH'))); // -> false
console.log(isValidDate(new Date())); // -> true

Updated: To reflect comments.

any():

if any(t < 0 for t in x):
    # do something

Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:

if True in (t < 0 for t in x):

Following is Very Good Regular expression for Two digits and two decimal points.

[RegularExpression(@"\d{0,2}(\.\d{1,2})?", ErrorMessage = "{0} must be a Decimal Number.")]

In my understanding, ECMAScript is the "Theory" or "Specification", and Javascript is "Practicals" or "Implementation".

var a;

typeof a === 'undefined'; // true
a === undefined; // true
typeof a === typeof undefined; // true
typeof a === typeof sdfuwehflj; // true

Check this link in MDN

let x = 1;

if (x === 1) {
let x = 2;

console.log(x);
// expected output: 2
}

console.log(x);
// expected output: 1

Here is a minor improvement to CMS's solution:

if(!String.prototype.startsWith){
    String.prototype.startsWith = function (str) {
        return !this.indexOf(str);
    }
}

"Hello World!".startsWith("He"); // true

 var data = "Hello world";
 var input = 'He';
 data.startsWith(input); // true

Checking whether the function already exists in case a future browser implements it in native code or if it is implemented by another library. For example, the Prototype Library implements this function already.

Using ! is slightly faster and more concise than === 0 though not as readable.

You can't, Print Preview is a feature of a browser, and therefore should be protected from being called by JavaScript as it would be a security risk.

That's why your example uses Active X, which bypasses the JavaScript security issues.

So instead use the print stylesheet that you already should have and show it for media=screen,print instead of media=print.

Read Alist Apart: Going to Print for a good article on the subject of print stylesheets.

I second Kristopher's recommendation of K&R for C.

I've found the "Essential Actionscript 2.0" book quite useful for AS coding (there's an AS3 version out now I believe).

I've found that having real books to thumb through is more helpful than an online reference in some cases. Not really sure why though.

I saw in getwindowtext (user32) on pinvoke.net that you can place a MarshalAs statement to state that the StringBuffer is equivalent to LPSTR.

<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Ansi)> _
Public Function GetWindowText(hwnd As IntPtr, <MarshalAs(UnManagedType.LPStr)>lpString As System.Text.StringBuilder, cch As Integer) As Integer
End Function

The approach of running diff -qr old/ new/ has one major drawback: it may miss files in newly created directories. E.g. in the example below the file data/pages/playground/playground.txt is not in the output of diff -qr old/ new/ whereas the directory data/pages/playground/ is (search for playground.txt in your browser to quickly compare). I also posted the following solution on Unix & Linux Stack Exchange, but I'll copy it here as well:

To create a list of new or modified files programmatically the best solution I could come up with is using rsync, sort, and uniq:

(rsync -rcn --out-format="%n" old/ new/ && rsync -rcn --out-format="%n" new/ old/) | sort | uniq

Let me explain with this example: we want to compare two dokuwiki releases to see which files were changed and which ones were newly created.

We fetch the tars with wget and extract them into the directories old/ and new/:

wget http://download.dokuwiki.org/src/dokuwiki/dokuwiki-2014-09-29d.tgz
wget http://download.dokuwiki.org/src/dokuwiki/dokuwiki-2014-09-29.tgz
mkdir old && tar xzf dokuwiki-2014-09-29.tgz -C old --strip-components=1
mkdir new && tar xzf dokuwiki-2014-09-29d.tgz -C new --strip-components=1

Running rsync one way might miss newly created files as the comparison of rsync and diff shows here:

rsync -rcn --out-format="%n" old/ new/

yields the following output:

VERSION
doku.php
conf/mime.conf
inc/auth.php
inc/lang/no/lang.php
lib/plugins/acl/remote.php
lib/plugins/authplain/auth.php
lib/plugins/usermanager/admin.php

Running rsync only in one direction misses the newly created files and the other way round would miss deleted files, compare the output of diff:

diff -qr old/ new/

yields the following output:

Files old/VERSION and new/VERSION differ
Files old/conf/mime.conf and new/conf/mime.conf differ
Only in new/data/pages: playground
Files old/doku.php and new/doku.php differ
Files old/inc/auth.php and new/inc/auth.php differ
Files old/inc/lang/no/lang.php and new/inc/lang/no/lang.php differ
Files old/lib/plugins/acl/remote.php and new/lib/plugins/acl/remote.php differ
Files old/lib/plugins/authplain/auth.php and new/lib/plugins/authplain/auth.php differ
Files old/lib/plugins/usermanager/admin.php and new/lib/plugins/usermanager/admin.php differ

Running rsync both ways and sorting the output to remove duplicates reveals that the directory data/pages/playground/ and the file data/pages/playground/playground.txt were missed initially:

(rsync -rcn --out-format="%n" old/ new/ && rsync -rcn --out-format="%n" new/ old/) | sort | uniq

yields the following output:

VERSION
conf/mime.conf
data/pages/playground/
data/pages/playground/playground.txt
doku.php
inc/auth.php
inc/lang/no/lang.php
lib/plugins/acl/remote.php
lib/plugins/authplain/auth.php
lib/plugins/usermanager/admin.php

rsync is run with theses arguments:

• -r to "recurse into directories",
• -c to also compare files of identical size and only "skip based on checksum, not mod-time & size",
• -n to "perform a trial run with no changes made", and
• --out-format="%n" to "output updates using the specified FORMAT", which is "%n" here for the file name only

The output (list of files) of rsync in both directions is combined and sorted using sort, and this sorted list is then condensed by removing all duplicates with uniq

1. The currently preferred (Exchange 2013 and 2016) API is EWS. It is purely HTTP based and can be accessed from any language, but there are .Net and Java specific libraries.

   You can use EWSEditor to play with the API.

2. Extended MAPI. This is the native API used by Outlook. It ends up using the MSEMS Exchange MAPI provider, which can talk to Exchange using RPC (Exchange 2013 no longer supports it) or RPC-over-HTTP (Exchange 2007 or newer) or MAPI-over-HTTP (Exchange 2013 and newer).

   The API itself can only be accessed from unmanaged C++ or Delphi. You can also use Redemption (any language) - its RDO family of objects is an Extended MAPI wrapper. To use Extended MAPI, you need to install either Outlook or the standalone (Exchange) version of MAPI (on extended support, and it does not support Unicode PST and MSG files and cannot access Exchange 2016). Extended MAPI can be used in a service.

   You can play with the API using OutlookSpy or MFCMAPI.

3. Outlook Object Model - not Exchange specific, but it allows access to all data available in Outlook on the machine where the code runs. Cannot be used in a service.

4. Exchange Active Sync. Microsoft no longer invests any significant resources into this protocol.

5. Outlook used to install CDO 1.21 library (it wraps Extended MAPI), but it had been deprecated by Microsoft and no longer receives any updates.

6. There used to be a third-party .Net MAPI wrapper called MAPI33, but it is no longer being developed or supported.

7. WebDAV - deprecated.

8. Collaborative Data Objects for Exchange (CDOEX) - deprecated.

9. Exchange OLE DB Provider (EXOLEDB) - deprecated.

First. It is necessary add static IP address for Computer A AND B. For example in my case Computer A (172.20.14.13) and B (172.20.14.78).

Second. In Computer A with Net Manager add for Listener new address (172.20.14.13) or manually add new record in listener.ora

# listener.ora Network Configuration File: E:\app\user\product\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = E:\app\user\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:E:\app\user\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.14.13)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = E:\app\user

Third. With Net Manager create Service Naming with IP address computer B (172.20.14.78) or manually add new record in tnsnames.ora

# tnsnames.ora Network Configuration File: E:\app\user\product\11.2.0\dbhome_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

ALINADB =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = alinadb)
    )
  )

LISTENER_ALINADB =
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))


LOCAL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.14.13)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = alinadb)
    )
  )

ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

ORCL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.14.78)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

Fourth. In computer B (172.20.14.78) install win64_11gR2_client (For example it is for me in Windows 10 Pro 64 bit )

Five. Create with Net Configuration Assistant listener (localhost) or manually add record in listener.ora

# listener.ora Network Configuration File: F:\app\alinasoft\product\11.2.0\client_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = TCP)(HOST = myserver)(PORT = 1521))
          (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
        )
      )

    ADR_BASE_LISTENER = F:\app\alinasoft

Six. With Net Manager create Service Naming with IP address computer A (172.20.14.13) or manually add new record in tnsnames.ora.

SERVER-DB =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.14.13)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = alinadb)
    )
  )

Seven (Computer A - (172.20.14.13)) for database operations and connectivity from remote clients, the following executables must be added to the Windows Firewall exception list: (see image) Oracle_home\bin\oracle.exe - Oracle Database executable Oracle_home\bin\tnslsnr.exe - Oracle Listener

Eight Allow connections for port 1158 (Computer A - (172.20.14.13)) for Oracle Enterprise Manager (https://172.20.14.13:1158/em/console/logon/logon)

Ninth Allow connections for port 1521 ( in and out) (Computer A - (172.20.14.17))

Tenth In computer B 172.20.14.78 sqlplus /NOLOG CONNECT system/oracle@//172.20.14.13:1521/alinadb

If uses Toad, in my case is

You can compare an array like the below mentioned if the array has some values

it('should check if the array are equal', function() {
        var mockArr = [1, 2, 3];
        expect(mockArr ).toEqual([1, 2, 3]);
 });

But if the array that is returned from some function has more than 1 elements and all are zero then verify by using

expect(mockArray[0]).toBe(0);

Try this:

Dim dataView As New DataView(table)
dataView.Sort = " AutoID DESC, Name DESC"
Dim dataTable AS DataTable = dataView.ToTable()

If you want a super class to call a function from a subclass, the cleanest way is to define an abstract pattern, in this manner you explicitly know the method exists somewhere and must be overridden by a subclass.

This is as an example, normally you do not call a sub method within the constructor as the sub instance is not initialized yet… (reason why you have an "undefined" in your question's example)

abstract class A {
    // The abstract method the subclass will have to call
    protected abstract doStuff():void;

    constructor(){
     alert("Super class A constructed, calling now 'doStuff'")
     this.doStuff();
    }
}

class B extends A{

    // Define here the abstract method
    protected doStuff()
    {
        alert("Submethod called");
    }
}

var b = new B();

Test it Here

And if like @Max you really want to avoid implementing the abstract method everywhere, just get rid of it. I don't recommend this approach because you might forget you are overriding the method.

abstract class A {
    constructor() {
        alert("Super class A constructed, calling now 'doStuff'")
        this.doStuff();
    }

    // The fallback method the subclass will call if not overridden
    protected doStuff(): void {
        alert("Default doStuff");
    };
}

class B extends A {
    // Override doStuff()
    protected doStuff() {
        alert("Submethod called");
    }
}

class C extends A {
    // No doStuff() overriding, fallback on A.doStuff()
}

var b = new B();
var c = new C();

Try it Here

aM Charts are also making WPF Chart controls. Currently they only show off a pie chart, but they are set to provide new ones in short term.

if Linux users still have the same error, probably they have used "sudo" for adding android platform.. a quick solution for this here, or you have installed cordova using sudo, also there is a solution for this problem here.

Hope this help!

Software patents led Debian/Ubuntu to disable the H.264 and AAC encoders in ffmpeg. See /usr/share/doc/ffmpeg/README.Debian.gz.

So go install x264, mplayer/mencoder, and Nero's AAC encoder. (Or, if you want to use all Free software, and don't care so much about audio quality, then sudo aptitude install faac.)

I don't remember if the medibuntu package of mencoder includes x264 vid encoding, since I build my own from git x264 and svn mplayer sources. (x264 is very actively developed, with significant quality and speed improvements frequently added.) http://git.videolan.org/?p=x264.git;a=summary

x264 is also packaged, but you should check that it's up to date enough to include weightp with recent bugfixes, and even more recent speed improvements...

Or if you're already willing to convert from .flv, instead of going from the high-quality source the flv was made from, then probably whatever recent version of x264 you can find will be fine.

There is a mistake in your insert statement chage it to below and try : String sql = "insert into table_name values ('" + Col1 +"','" + Col2 + "','" + Col3 + "')";

For Bootstrap 3, if you want full-width and are using LESS, SASS, or something similar, all you have to do is make use of Bootstrap's mixin functions make-md-column, make-sm-column, etc.

LESS:

.col-lg-2-4{
  .make-lg-column(2.4)
}
.col-md-2-4{
  .make-md-column(2.4)
}
.col-sm-2-4{
  .make-sm-column(2.4)
}

SASS:

.col-lg-2-4{
  @include make-lg-column(2.4)
}
.col-md-2-4{
  @include make-md-column(2.4)
}
.col-sm-2-4{
  @include make-sm-column(2.4)
}

Not only can you build true full-width bootstrap column classes using these mixins, but you can also build all the related helper classes like .col-md-push-*, .col-md-pull-*, and .col-md-offset-*:

LESS:

.col-md-push-2-4{
  .make-md-column-push(2.4)
}
.col-md-pull-2-4{
  .make-md-column-pull(2.4)
}
.col-md-offset-2-4{
  .make-md-column-offset(2.4)
}

SASS:

.col-md-push-2-4{
  @include make-md-column-push(2.4)
}
.col-md-pull-2-4{
  @include make-md-column-pull(2.4)
}
.col-md-offset-2-4{
  @include make-md-column-offset(2.4)
}

Other answers talk about setting @gridColumns which is perfectly valid, but that changes the core column width for all of bootstrap. Using the above mixin functions will add 5 column layout on top of the default bootstrap columns, so it will not break any 3rd party tools or existing styling.

Answer given by kennyut/Kistian works very well but to get exact RDD like output when RDD consist of list of attributes e.g. [1,2,3,4] we can use flatmap command as below,

rdd = df.rdd.flatMap(list)
or 
rdd = df.rdd.flatmap(lambda x: list(x))

for me, this worked

exec utl_mail.send@myotherdb(
  sender => '[email protected]',recipients => '[email protected], 
  cc => null, subject => 'my subject', message => 'my message'
); 

You can find the DMGs or XIPs for Xcode and other development tools on https://developer.apple.com/download/more/ (requires Apple ID to login).

You must login to have a valid session before downloading anything below.

*(Newest on top. For each minor version (6.3, 5.1, etc.) only the latest revision is kept in the list.)

*With Xcode 12.2, Apple introduces the term “Release Candidate” (RC) which replaces “GM seed” and indicates this version is near final.

Xcode 12

• 12.4 (requires a Mac with Apple silicon running macOS Big Sur 11 or later, or an Intel-based Mac running macOS Catalina 10.15.4 or later) (Latest as of 27-Jan-2021)

• 12.3 (requires a Mac with Apple silicon running macOS Big Sur 11 or later, or an Intel-based Mac running macOS Catalina 10.15.4 or later)

• 12.2

• 12.1

• 12.0.1 (Requires macOS 10.15.4 or later) (Latest as of 24-Sept-2020)

Xcode 11

• 11.7 (Latest as of Sept 02 2020)

• 11.6

• 11.5

• 11.4.1 (Requires macOS 10.15.2 or later)

• 11.3.1

• 11.2.1

• 11.1

• 11 (Requires macOS 10.14.4 or later)

Xcode 10 (unsupported for iTunes Connect)

• 10.3 (Requires macOS 10.14.3 or later)
• 10.2.1 (Requires macOS 10.14.3 or later)
• 10.1 (Last version supporting macOS 10.13.6 High Sierra)
• 10 (Subsequent versions were unsupported for iTunes Connect from March 2019)

Xcode 9

• 9.4.1
• 9.3.1
• 9.2 (Last version supporting macOS 10.12.6 Sierra)
• 9.1
• 9.0.1

Xcode 8

• 8.3.3
• 8.2.1 (Last version supporting OS X 10.11.5 El Capitan)
• 8.1
• 8.0

Xcode 7

• 7.3.1
• 7.2.1 (Last version supporting OS X 10.10 Yosemite)
• 7.1.1
• 7.0.1

Xcode 6

• 6.4
• 6.3.2
• 6.2 (Last version supporting OS X 10.9.5 Mavericks)
• 6.1.1
• 6.0.1

Even Older Versions (unsupported for iTunes Connect)

• 5.1.1 (Latest version supporting OS X 10.8 Mountain Lion)
• 5.0.2
• 4.6.3
• 4.5.2
• 4.4.1
• 4.3.2
• 4.2
• 4.1
• 4.0.2
• 3.2.6
• 3.1.4
• 3.0
• 2.5
• 2.4.1
• 2.3
• 2.2.1
• 1.5
• 1.0

libeay32.dll and ssleay32.dll have to be path-accessible for php_curl.dll loading to succeed.

But copying them into Apache's ServerRoot, Apache's \bin\, Window's \System32\, or even worse into the Windows main directory is a bad hack and may not even work with newer PHP versions.

The right way to do it is to add the PHP path to the Windows Path variable.

1. In Control Panel -> System click on Advanced System Settings or press WIN+R and type SystemPropertiesAdvanced
2. Click the button Environment Variables.
3. Under System Variables you will find the Path variable. Edit it and prepend C:\PHP; to it - or whatever the path to your PHP folder is.
   (Hint: If your PHP folder contains spaces like C:\Program Files\PHP you may need to use the short filename form here, i.e. C:\Progra~1\PHP.)
4. Then fully stop Apache and start it again (a simple restart might not be enough).

Update 2017-05:
I changed the instructions above to prepend the Path variable with the PHP path instead of appending to it. This makes sure that the DLLs in the PHP path are used and not any other (outdated) versions in other paths of the system.

Update 2018-04:
If you have already chosen the wrong way and copied any of the PHP DLLs to Apache or Windows paths, then I strongly recommend that you remove them again! If you don't, you might get into trouble when you later try to update PHP. If a new PHP version brings new versions of these DLLs, but your old DLLs still linger around in system or webserver paths, these old DLLs might be found first. This will most certainly prevent the PHP interpreter from starting. Such errors can be very hard to understand and resolve. So better clean up now and remove any of the mentioned DLLs from Windows and Apache paths, if you copied them there.
(Thanks to @EdmundTam and @WasimA. for pointing out this problem in the comments!)

Update 2019-10:
Tip: To find all copies of these DLLs and check whether you might have placed them in the wrong folders, you can use the following commands in a Windows Command Prompt window:

dir c:\libeay32.dll /s
dir c:\ssleay32.dll /s

Be warned that these commands may take some time to complete as they search through the entire directory structure of your system drive C:.

Update 2020-08:
If your PHP folder contains spaces (i.e. C:\Program Files\PHP) you may need to use the short filename form in the Path variable at step 3 (i.e. C:\Progra~1\PHP). Thanks to @onee for this tip!

My answer?

function pageLoad() {

  $(document).ready(function(){

etc.

Worked like a charm, where a number of other solutions failed miserably.

Having a similar case and I couldn't use StackAttacks solution as he's referring to SDL2 which is for the legacy code I'm using too new.

Fortunately our friends from askUbuntu had something similar:

Download SDL

tar xvf SDL-1.2.tar.gz
cd SDL-1.2
./configure
make
sudo make install

You need to wrap the forward slash to avoid cross browser issues or //commenting out.

str = 'this/that and/if';

var newstr = str.replace(/[/]/g, 'ForwardSlash');

In some cases you may want the Rails root without having to load Rails.

For example, you get a quicker feedback cycle when TDD'ing models that do not depend on Rails by requiring spec_helper instead of rails_helper.

# spec/spec_helper.rb

require 'pathname'

rails_root = Pathname.new('..').expand_path(File.dirname(__FILE__))

[
  rails_root.join('app', 'models'),
  # Add your decorators, services, etc.
].each do |path|
  $LOAD_PATH.unshift path.to_s
end

Which allows you to easily load Plain Old Ruby Objects from their spec files.

# spec/models/poro_spec.rb

require 'spec_helper'

require 'poro'

RSpec.describe ...

Agree with Nick. Here is more elaborated code.

#count=0
for idx, item in enumerate(list):
    print item
    #count +=1
    #if count % 10 == 0:
    if (idx+1) % 10 == 0:
        print 'did ten'

I have commented out the count variable in your code.

I was not actually able to render an image without borders or axis data based on any of the code snippets here (even the one accepted at the answer). After digging through some API documentation, I landed on this code to render my image

plt.axis('off')
plt.tick_params(axis='both', left='off', top='off', right='off', bottom='off', labelleft='off', labeltop='off', labelright='off', labelbottom='off')
plt.savefig('foo.png', dpi=100, bbox_inches='tight', pad_inches=0.0)

I used the tick_params call to basically shut down any extra information that might be rendered and I have a perfect graph in my output file.

Once you set the app.config file, visual studio will generate a copy in the bin folder named App.exe.config. Copy this to the application directory during deployment. Sounds obvious but surprisingly a lot of people miss this step. WinForms developers are not used to config files :).

If you are using Maven as a build tool you might want to:

1. Close eclipse

2. Delete dependency directories located in .m2/repository/ - in Linux it's located under Home directory and in Windows it should be in c:\Users<YourUsername>.m2 (replace '' with your username)

3. Start Eclipse and enjoy normal work :)

That helped me resolve this issue and I hope it helps you too. :)
Cheers!

P.S. I've edited my answer (as @howlger asked) where it was also suggested to delete .eclipse and .p2 folders as it can do harm (although it did NOT in my case + I had to reinstall some of plugins I'm using).

You can use:

 echo '<?php if(function_exists("my_func")) echo "function exists"; ' | php

The short tag "< ?=" can be helpful too:

 echo '<?= function_exists("foo") ? "yes" : "no";' | php
 echo '<?= 8+7+9 ;' | php

The closing tag "?>" is optional, but don't forget the final ";"!

string hex = "#FFFFFF";
Color _color = System.Drawing.ColorTranslator.FromHtml(hex);

Note: the hash is important!

If only the columns are required then DataTable.Clone() can be used. With Clone function only the schema will be copied. But DataTable.Copy() copies both the structure and data

E.g.

DataTable dt = new DataTable();
dt.Columns.Add("Column Name");
dt.Rows.Add("Column Data");
DataTable dt1 = dt.Clone();
DataTable dt2 = dt.Copy();

dt1 will have only the one column but dt2 will have one column with one row.

I had the same problem on Visual Studio Code. For various reasons several python versions are installed on my computer. I was thus able to easily solve the problem by switching python interpreter.

If like me you have several versions of python on you machine, in Visual Studio Code, you can easily change the interpreter by clicking on the bottom left corner where it says Python...

Here's a way to do it without turning it into a string first (based on some rudimentary benchmarking, this is about twice as fast as stringifying n first):

>>> n = 43365644
>>> [(n//(10**i))%10 for i in range(math.ceil(math.log(n, 10))-1, -1, -1)]
[4, 3, 3, 6, 5, 6, 4, 4]

Updating this after many years in response to comments of this not working for powers of 10:

[(n//(10**i))%10 for i in range(math.ceil(math.log(n, 10)), -1, -1)][bool(math.log(n,10)%1):]

The issue is that with powers of 10 (and ONLY with these), an extra step is required. ---So we use the remainder in the log_10 to determine whether to remove the leading 0--- We can't exactly use this because floating-point math errors cause this to fail for some powers of 10. So I've decided to cross the unholy river into sin and call upon regex.

In [32]: n = 43

In [33]: [(n//(10**i))%10 for i in range(math.ceil(math.log(n, 10)), -1, -1)][not(re.match('10*', str(n))):]
Out[33]: [4, 3]

In [34]: n = 1000

In [35]: [(n//(10**i))%10 for i in range(math.ceil(math.log(n, 10)), -1, -1)][not(re.match('10*', str(n))):]
Out[35]: [1, 0, 0, 0]

I wouldn't recommend doing this, but you can override the ngClick directive to do what you are looking for. That's not saying, you should.

With the original implementation in mind:

compile: function($element, attr) {
  var fn = $parse(attr[directiveName]);
  return function(scope, element, attr) {
    element.on(lowercase(name), function(event) {
      scope.$apply(function() {
        fn(scope, {$event:event});
      });
    });
  };
}

We can do this to override it:

// Go into your config block and inject $provide.
app.config(function ($provide) {

  // Decorate the ngClick directive.
  $provide.decorator('ngClickDirective', function ($delegate) {

    // Grab the actual directive from the returned $delegate array.
    var directive = $delegate[0];

    // Stow away the original compile function of the ngClick directive.
    var origCompile = directive.compile;

    // Overwrite the original compile function.
    directive.compile = function (el, attrs) {

      // Apply the original compile function. 
      origCompile.apply(this, arguments);

      // Return a new link function with our custom behaviour.
      return function (scope, el, attrs) {

        // Get the name of the passed in function. 
        var fn = attrs.ngClick;

        el.on('click', function (event) {
          scope.$apply(function () {

            // If no property on scope matches the passed in fn, return. 
            if (!scope[fn]) {
              return;
            }

            // Throw an error if we misused the new ngClick directive.
            if (typeof scope[fn] !== 'function') {
              throw new Error('Property ' + fn + ' is not a function on ' + scope);
            }

            // Call the passed in function with the event.
            scope[fn].call(null, event);

          });
        });          
      };
    };    

    return $delegate;
  });
});

Then you'd pass in your functions like this:

<div ng-click="func"></div>

as opposed to:

<div ng-click="func()"></div>

jsBin: http://jsbin.com/piwafeke/3/edit

Like I said, I would not recommend doing this but it's a proof of concept showing you that, yes - you can in fact overwrite/extend/augment the builtin angular behaviour to fit your needs. Without having to dig all that deep into the original implementation.

Do please use it with care, if you were to decide on going down this path (it's a lot of fun though).

Probably late, but might help someone in need.

import serial.tools.list_ports


class COMPorts:

    def __init__(self, data: list):
        self.data = data

    @classmethod
    def get_com_ports(cls):
        data = []
        ports = list(serial.tools.list_ports.comports())

        for port_ in ports:
            obj = Object(data=dict({"device": port_.device, "description": port_.description.split("(")[0].strip()}))
            data.append(obj)

        return cls(data=data)

    @staticmethod
    def get_description_by_device(device: str):
        for port_ in COMPorts.get_com_ports().data:
            if port_.device == device:
                return port_.description

    @staticmethod
    def get_device_by_description(description: str):
        for port_ in COMPorts.get_com_ports().data:
            if port_.description == description:
                return port_.device


class Object:
    def __init__(self, data: dict):
        self.data = data
        self.device = data.get("device")
        self.description = data.get("description")


if __name__ == "__main__":
    for port in COMPorts.get_com_ports().data:
        print(port.device)
        print(port.description)

    print(COMPorts.get_device_by_description(description="Arduino Leonardo"))
    print(COMPorts.get_description_by_device(device="COM3"))

The IMEI is good but only works on Android devices with phone. You should consider support for Tablets or other Android devices as well, that do not have a phone.

You have some alternatives like: Build class members, BT MAC, WLAN MAC, or even better - a combination of all these.

I have explained these details in an article on my blog, see: http://www.pocketmagic.net/?p=1662

I have used a temporary file to do this in the past, like this below.

DIR /B *.DAT | FIND.EXE /C /V "" > COUNT.TXT

FOR /F "tokens=1" %%f IN (COUNT.TXT) DO (
IF NOT %%f==6 SET _MSG=File count is %%f, and 6 were expected. & DEL COUNT.TXT & ECHO #### ERROR - FILE COUNT WAS %%f AND 6 WERE EXPECTED. #### >> %_LOGFILE% & GOTO SENDMAIL
)

Additionally, for our Android friends (API Level 8):

import android.util.Base64

...

Base64.encodeToString(bytes, Base64.DEFAULT);

' mouse pointer touch '.replace(/^\s+|\s+$|(\s)+/g, "$1") should do the trick!

Quoting from Wikipedia:

Thus, anyone can create a UUID and use it to identify something with reasonable confidence that the identifier will never be unintentionally used by anyone for anything else

It goes on to explain in pretty good detail on how safe it actually is. So to answer your question: Yes, it's safe enough.

It's done by binding to the scroll event of the container (usually window).

Quick example:

// Cache selectors
var topMenu = $("#top-menu"),
    topMenuHeight = topMenu.outerHeight()+15,
    // All list items
    menuItems = topMenu.find("a"),
    // Anchors corresponding to menu items
    scrollItems = menuItems.map(function(){
      var item = $($(this).attr("href"));
      if (item.length) { return item; }
    });

// Bind to scroll
$(window).scroll(function(){
   // Get container scroll position
   var fromTop = $(this).scrollTop()+topMenuHeight;

   // Get id of current scroll item
   var cur = scrollItems.map(function(){
     if ($(this).offset().top < fromTop)
       return this;
   });
   // Get the id of the current element
   cur = cur[cur.length-1];
   var id = cur && cur.length ? cur[0].id : "";
   // Set/remove active class
   menuItems
     .parent().removeClass("active")
     .end().filter("[href='#"+id+"']").parent().addClass("active");
});?

See the above in action at jsFiddle including scroll animation.

Use the map-function instead. It transforms the value inside the optional.

Like this:

private String getStringIfObjectIsPresent(Optional<Object> object) {
    return object.map(() -> {
        String result = "result";
        //some logic with result and return it
        return result;
    }).orElseThrow(MyCustomException::new);
}

just return true inside your if statement

var myArr = [1,2,3,4];

myArr.forEach(function(elem){
  if (elem === 3) {

      return true;

    // Go to "next" iteration. Or "continue" to next iteration...
  }

  console.log(elem);
});

There are some problems with your code. First I advise to use parametrized queries so you avoid SQL Injection attacks and also parameter types are discovered by framework:

var cmd = new SqlCommand("SELECT EmpName FROM Employee WHERE EmpID = @id", con);
cmd.Parameters.AddWithValue("@id", id.Text);

Second, as you are interested only in one value getting returned from the query, it is better to use ExecuteScalar:

var name = cmd.ExecuteScalar();

if (name != null)
{
   position = name.ToString();
   Response.Write("User Registration successful");
}
else
{
    Console.WriteLine("No Employee found.");
}

The last thing is to wrap SqlConnection and SqlCommand into using so any resources used by those will be disposed of:

string position;

using (SqlConnection con = new SqlConnection("server=free-pc\\FATMAH; Integrated Security=True; database=Workflow; "))
{
  con.Open();

  using (var cmd = new SqlCommand("SELECT EmpName FROM Employee WHERE EmpID = @id", con))
  {
    cmd.Parameters.AddWithValue("@id", id.Text);
  
    var name = cmd.ExecuteScalar();
  
    if (name != null)
    {
       position = name.ToString();
       Response.Write("User Registration successful");
    }
    else
    {
        Console.WriteLine("No Employee found.");
    }
  }
}

Dictionary:

dict = {'a':'a','b':'b','c':'c'}

array of dictionary

arr = (dict,dict,dict)
arr
({'a': 'a', 'c': 'c', 'b': 'b'}, {'a': 'a', 'c': 'c', 'b': 'b'}, {'a': 'a', 'c': 'c', 'b': 'b'})

On the "How to do it" part:

I think the introduction to ScalaTest does good job of illustrating different styles of unit tests.

On the "When to do it" part:

Unit testing is not only for testing. By doing unit testing you also force the design of the software into something that is unit testable. Many people are of the opinion that this design is for the most part Good Design(TM) regardless of other benefits from testing.

So one reason to do unit test is to force your design into something that hopefully will be easier to maintain that what it would be had you not designed it for unit testing.

You're thinking of Boolean algebra.

If look into native Math object in JavaScript, you get the whole bunch of functions to work on numbers and values, etc...

Basically what you want to do is quite simple and native in JavaScript...

Imagine you have the number below:

const myValue = 56.4534931;

and now if you want to round it down to the nearest number, just simply do:

const rounded = Math.floor(myValue);

and you get:

56

If you want to round it up to the nearest number, just do:

const roundedUp = Math.ceil(myValue);

and you get:

57

Also Math.round just round it to higher or lower number depends on which one is closer to the flot number.

Also you can use of ~~ behind the float number, that will convert a float to a whole number.

You can use it like ~~myValue...

I'm was trying to do the same thing and it was bugging the crap out of me. In firefox, it appears that if you try to do some things when the escape key is pressed, it continues processing the escape key which then cancels whatever you were trying to do. Alert works fine. But in my case, I wanted to go back in the history which did not work. Finally figured out that I had to force the propagation of the event to stop as shown below...

if (keyCode == 27)
{
    history.back();

    if (window.event)
    {
        // IE works fine anyways so this isn't really needed
        e.cancelBubble = true;
        e.returnValue = false;
    }
    else if (e.stopPropagation)
    {
        // In firefox, this is what keeps the escape key from canceling the history.back()
        e.stopPropagation();
        e.preventDefault();
    }

    return (false);
}

To do this for a specific target, you can do the following:

target_compile_definitions(my_target PRIVATE FOO=1 BAR=1)

You should do this if you have more than one target that you're building and you don't want them all to use the same flags. Also see the official documentation on target_compile_definitions.

New, resurrected project site (Win7 compability and more!): http://sshwindows.sourceforge.net

1st January 2012

• OpenSSH for Windows 5.6p1-2 based release created!!
• Happy New Year all! Since COpSSH has started charging I've resurrected this project
• Updated all binaries to current releases
• Added several new supporting DLLs as required by all executables in package
• Renamed switch.exe to bash.exe to remove the need to modify and compile mkpasswd.exe each build
• Please note there is a very minor bug in this release, detailed in the docs. I'm working on fixing this, anyone who can code in C and can offer a bit of help it would be much appreciated

I think you are right by saying that people cannot click half pixels, so personally, I would use rounded jQuery offset...

The below code works for me, for both accessing and changing a pixel value.

For accessing pixel's channel value :

for (int i = 0; i < image.cols; i++) {
    for (int j = 0; j < image.rows; j++) {
        Vec3b intensity = image.at<Vec3b>(j, i);
        for(int k = 0; k < image.channels(); k++) {
            uchar col = intensity.val[k]; 
        }   
    }
}

For changing a pixel value of a channel :

uchar pixValue;
for (int i = 0; i < image.cols; i++) {
    for (int j = 0; j < image.rows; j++) {
        Vec3b &intensity = image.at<Vec3b>(j, i);
        for(int k = 0; k < image.channels(); k++) {
            // calculate pixValue
            intensity.val[k] = pixValue;
        }
     }
}

`

Source : Accessing pixel value

adb shell killall -9 com.your.package.name

according to MAC "mandatory access control" you probably have the permission to kill process which is not started by root

have fun!

Separate with commas:

http://localhost:8080/MovieDB/GetJson?name=Actor1,Actor2,Actor3&startDate=20120101&endDate=20120505

or:

http://localhost:8080/MovieDB/GetJson?name=Actor1&name=Actor2&name=Actor3&startDate=20120101&endDate=20120505

or:

http://localhost:8080/MovieDB/GetJson?name[0]=Actor1&name[1]=Actor2&name[2]=Actor3&startDate=20120101&endDate=20120505

Either way, your method signature needs to be:

@RequestMapping(value = "/GetJson", method = RequestMethod.GET) 
public void getJson(@RequestParam("name") String[] ticker, @RequestParam("startDate") String startDate, @RequestParam("endDate") String endDate) {
   //code to get results from db for those params.
 }

It really depends what you are going for, and specifically, what kind of performance you really need to offer.

I've seen admirable solutions for strongly-typed HTML development (complete control models, be it ASP.NET Web Controls, or similar to it) that just add amazing complexity to a project. In other situations, it is perfect.

In order of preference in the C# world,

• ASP.NET Web Controls
• ASP.NET primitives and HTML controls
• XmlWriter and/or HtmlWriter
• If doing Silverlight development with HTML interoperability, consider something strongly typed like link text
• StringBuilder and other super primitives

Using SPEL and P-NAMESPACE:

<beans...
xmlns:p="http://www.springframework.org/schema/p" ...>
..
<bean name="someName" class="my.pkg.classes"
    p:type="#{T(my.pkg.types.MyEnumType).TYPE1}"/>

Make sure that when you cloned the repository, you did so with the SSH URL and not the HTTPS; in the clone URL box of the repo, choose the SSH protocol before copying the URL. See image below:

I suppose you're probably using the Decimal() objects from the decimal module? (If you need exactly two digits of precision beyond the decimal point with arbitrarily large numbers, you definitely should be, and that's what your question's title suggests...)

If so, the Decimal FAQ section of the docs has a question/answer pair which may be useful for you:

Q. In a fixed-point application with two decimal places, some inputs have many places and need to be rounded. Others are not supposed to have excess digits and need to be validated. What methods should be used?

A. The quantize() method rounds to a fixed number of decimal places. If the Inexact trap is set, it is also useful for validation:

>>> TWOPLACES = Decimal(10) ** -2       # same as Decimal('0.01')
>>> # Round to two places
>>> Decimal('3.214').quantize(TWOPLACES)
Decimal('3.21')
>>> # Validate that a number does not exceed two places
>>> Decimal('3.21').quantize(TWOPLACES, context=Context(traps=[Inexact]))
Decimal('3.21')
>>> Decimal('3.214').quantize(TWOPLACES, context=Context(traps=[Inexact]))
Traceback (most recent call last):
   ...
Inexact: None

The next question reads

Q. Once I have valid two place inputs, how do I maintain that invariant throughout an application?

If you need the answer to that (along with lots of other useful information), see the aforementioned section of the docs. Also, if you keep your Decimals with two digits of precision beyond the decimal point (meaning as much precision as is necessary to keep all digits to the left of the decimal point and two to the right of it and no more...), then converting them to strings with str will work fine:

str(Decimal('10'))
# -> '10'
str(Decimal('10.00'))
# -> '10.00'
str(Decimal('10.000'))
# -> '10.000'

How about this, which I managed to achieve thanks, in part, to this post.

You want to find several files, lets say logs with different names but a pattern (e.g. filename=logfile.DATE), inside several directories with a pattern (e.g. /logsapp1, /logsapp2). Each file has a pattern you want to grep (e.g. "init time"), and you want to have the "init time" of each file, but knowing which file it belongs to.

find ./logsapp* -name logfile* | xargs -I{} grep "init time" {} \dev\null | tee outputfilename.txt

Then the outputfilename.txt would be something like

./logsapp1/logfile.22102015: init time: 10ms
./logsapp1/logfile.21102015: init time: 15ms
./logsapp2/logfile.21102015: init time: 17ms
./logsapp2/logfile.22102015: init time: 11ms

In general

find ./path_pattern/to_files* -name filename_pattern* | xargs -I{} grep "grep_pattern" {} \dev\null | tee outfilename.txt

Explanation:

find command will search the filenames based in the pattern

then, pipe xargs -I{} will redirect the find output to the {}

which will be the input for grep ""pattern" {}

Then the trick to make grep display the filenames \dev\null

and finally, write the output in file with tee outputfile.txt

This worked for me in grep version 9.0.5 build 1989.

If you want to define your ItemReader instance and your Step instance in a single JavaConfig class. You can use the @StepScope and the @Value annotations such as:

@Configuration
public class ContributionCardBatchConfiguration {

   private static final String WILL_BE_INJECTED = null;

   @Bean
   @StepScope
   public FlatFileItemReader<ContributionCard> contributionCardReader(@Value("#{jobParameters['fileName']}")String contributionCardCsvFileName){

     ....
   }

   @Bean
   Step ingestContributionCardStep(ItemReader<ContributionCard> reader){
         return stepBuilderFactory.get("ingestContributionCardStep")
                 .<ContributionCard, ContributionCard>chunk(1)
                 .reader(contributionCardReader(WILL_BE_INJECTED))
                 .writer(contributionCardWriter())
                 .build();
    }
}

The trick is to pass a null value to the itemReader since it will be injected through the @Value("#{jobParameters['fileName']}") annotation.

Thanks to Tobias Flohre for his article : Spring Batch 2.2 – JavaConfig Part 2: JobParameters, ExecutionContext and StepScope

    jQuery(function ($) {
        $('li#linkss').find('a').on('click', function (e) {
            var
                link_href = $(this).attr('href')
                , $linkElem = $(link_href)
                , $linkElem_scroll = $linkElem.get(0) && $linkElem.position().top - 115;
            $('html, body')
                .animate({
                    scrollTop: $linkElem_scroll
                }, 'slow');
            e.preventDefault();
        });
    });

What would you like these support libraries to do? Just using OpenGL from C# is simple enough and does not require any additional libraries afaik.

downloading the email via the POP3 protocol is the easy part of the task. The protocol is quite simple and the only hard part could be advanced authentication methods if you don't want to send a clear text password over the network (and cannot use the SSL encrypted communication channel). See RFC 1939: Post Office Protocol - Version 3 and RFC 1734: POP3 AUTHentication command for details.

The hard part comes when you have to parse the received email, which means parsing MIME format in most cases. You can write quick&dirty MIME parser in a few hours or days and it will handle 95+% of all incoming messages. Improving the parser so it can parse almost any email means:

• getting email samples sent from the most popular mail clients and improve the parser in order to fix errors and RFC misinterpretations generated by them.
• Making sure that messages violating RFC for message headers and content will not crash your parser and that you will be able to read every readable or guessable value from the mangled email
• correct handling of internationalization issues (e.g. languages written from righ to left, correct encoding for specific language etc)
• UNICODE
• Attachments and hierarchical message item tree as seen in "Mime torture email sample"
• S/MIME (signed and encrypted emails).
• and so on

Debugging a robust MIME parser takes months of work. I know, because I was watching my friend writing one such parser for the component mentioned below and was writing a few unit tests for it too ;-)

Back to the original question.

Following code taken from our POP3 Tutorial page and links would help you:

// 
// create client, connect and log in 
Pop3 client = new Pop3();
client.Connect("pop3.example.org");
client.Login("username", "password");

// get message list 
Pop3MessageCollection list = client.GetMessageList();

if (list.Count == 0)
{
    Console.WriteLine("There are no messages in the mailbox.");
}
else 
{
    // download the first message 
    MailMessage message = client.GetMailMessage(list[0].SequenceNumber);
    ...
}

client.Disconnect();

• HOWTO: Download emails from a GMail account in C# (blogpost)
• Rebex Mail for .NET (POP3/IMAP client component for .NET)
• Rebex Secure Mail for .NET (POP3/IMAP client component for .NET - SSL enabled)

Those are for command-line arguments in Java.

In other words, if you run

java MyProgram one two

Then args contains:

[ "one", "two" ]

public static void main(String [] args) {
    String one = args[0]; //=="one"
    String two = args[1]; //=="two"
}

The reason for this is to configure your application to run a particular way or provide it with some piece of information it needs.

If you are new to Java, I highly recommend reading through the official Oracle's Java™ Tutorials.

$input = "Test me more";
echo preg_replace("/\s.*$/","",$input); // "Test"

This solution matches integers:

• Negative integers are matched (-1,-2,etc)
• Single zeroes are matched (0)
• Negative zeroes are not (-0, -01, -02)
• Empty spaces are not matched ('')

/^(0|-*[1-9]+[0-9]*)$/

No. Scroll speed is determined by the browser (and usually directly by the settings on the computer/device). CSS and Javascript don't (or shouldn't) have any way to affect system settings.

That being said, there are likely a number of ways you could try to fake a different scroll speed by moving your own content around in such a way as to counteract scrolling. However, I think doing so is a HORRIBLE idea in terms of usability, accessibility, and respect for your users, but I would start by finding events that your target browsers fire that indicate scrolling.

Once you can capture the scroll event (assuming you can), then you would be able to adjust your content dynamically so that the portion you want is visible.

Another approach would be to deal with this in Flash, which does give you at least some level of control over scrolling events.

Be very careful: NULL is a macro used mainly for pointers. The standard way of terminating a string is:

char *buffer;
...
buffer[end_position] = '\0';

This (below) works also but it is not a big difference between assigning an integer value to a int/short/long array and assigning a character value. This is why the first version is preferred and personally I like it better.

buffer[end_position] = 0; 

if you want your check box to keep its height and width but only be invisible:

.hiddenCheckBox{
    visibility: hidden;
}

if you want your check box to be invisible without any with and height:

.hiddenCheckBox{
    display: none;
}

Try javax.net.ssl.keyStorePassword instead of javax.net.ssl.keyPassword: the latter isn't mentioned in the JSSE ref guide.

The algorithms you mention should be there by default using the default security providers. NoSuchAlgorithmExceptions are often cause by other underlying exceptions (file not found, wrong password, wrong keystore type, ...). It's useful to look at the full stack trace.

You could also use -Djavax.net.debug=ssl, or at least -Djavax.net.debug=ssl,keymanager, to get more debugging information, if the information in the stack trace isn't sufficient.

Simplejson 2.1 and higher has native support for Decimal type:

>>> json.dumps(Decimal('3.9'), use_decimal=True)
'3.9'

Note that use_decimal is True by default:

def dumps(obj, skipkeys=False, ensure_ascii=True, check_circular=True,
    allow_nan=True, cls=None, indent=None, separators=None,
    encoding='utf-8', default=None, use_decimal=True,
    namedtuple_as_object=True, tuple_as_array=True,
    bigint_as_string=False, sort_keys=False, item_sort_key=None,
    for_json=False, ignore_nan=False, **kw):

So:

>>> json.dumps(Decimal('3.9'))
'3.9'

Hopefully, this feature will be included in standard library.

I prefer optparse to getopt. It's very declarative: you tell it the names of the options and the effects they should have (e.g., setting a boolean field), and it hands you back a dictionary populated according to your specifications.

http://docs.python.org/lib/module-optparse.html

public async Task<bool> Update(MyObject item)
{
    Context.Entry(await Context.MyDbSet.FirstOrDefaultAsync(x => x.Id == item.Id)).CurrentValues.SetValues(item);
    return (await Context.SaveChangesAsync()) > 0;
}

The original memwatch is essentially dead. Try memwatch-next instead, which seems to be working well on modern versions of Node.

You can use Visual Studio for Android Development. See a nice article on it here

The only real difference is that a synchronized block can choose which object it synchronizes on. A synchronized method can only use 'this' (or the corresponding Class instance for a synchronized class method). For example, these are semantically equivalent:

synchronized void foo() {
  ...
}

void foo() {
    synchronized (this) {
      ...
    }
}

The latter is more flexible since it can compete for the associated lock of any object, often a member variable. It's also more granular because you could have concurrent code executing before and after the block but still within the method. Of course, you could just as easily use a synchronized method by refactoring the concurrent code into separate non-synchronized methods. Use whichever makes the code more comprehensible.

on MAC starting from chrome Version 67.0.3396.99 my self-signed certificate stopped to work.

regeneration with all what written here didn't work.

UPDATE

had a chance to confirm that my approach works today :). If it doesn't work for you make sure your are using this approach

v3.ext
authorityKeyIdentifier=keyid,issuer
basicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
subjectAltName = @alt_names

[alt_names]
DNS.1 = <specify-the-same-common-name-that-you-used-while-generating-csr-in-the-last-step>
$

copied from here https://ksearch.wordpress.com/2017/08/22/generate-and-import-a-self-signed-ssl-certificate-on-mac-osx-sierra/

END UPDATE

finally was able to see green Secure only when removed my cert from system, and added it to local keychain. (if there is one - drop it first). Not sure if it maters but in my case I downloaded certificate via chrome, and verified that create date is today - so it is the one I've just created.

hope it will be helpful for someone spend like a day on it.

never update chrome!

A jsfiddle for custom tooltip pattern is Here

It is based on CSS Positioning and pseduo class selectors

Check MDN docs for cross-browser support of pseudo classes

    <!-- HTML -->
<p>
    <a href="http://www.google.com/" class="tooltip">
    I am a 
        <span> (This website rocks) </span></a>&nbsp; a developer.
</p>

    /*CSS*/
a.tooltip {
    position: relative;
}

a.tooltip span {
    display: none;    
}

a.tooltip:hover span, a.tooltip:focus span {
    display:block;
    position:absolute;
    top:1em;
    left:1.5em;
    padding: 0.2em 0.6em;
    border:1px solid #996633;
    background-color:#FFFF66;
    color:#000;
}

In your example propertyInfo.GetValue(this, null) should work. Consider altering GetNamesAndTypesAndValues() as follows:

public void GetNamesAndTypesAndValues()
{
  foreach (PropertyInfo propertyInfo in allClassProperties)
  {
    Console.WriteLine("{0} [type = {1}] [value = {2}]",
      propertyInfo.Name,
      propertyInfo.PropertyType,
      propertyInfo.GetValue(this, null));
  }
}

For project that does not use maven : This worked for me https://ihategeek.wordpress.com/2012/04/18/eclipse-junit-test-class-not-found/

Adding the jre and project src at the bottom in Order and exports in build path

Your chunk size could be too large, have you tried dropping that - maybe 1024 bytes at a time? (also, you could use with to tidy up the syntax)

def DownloadFile(url):
    local_filename = url.split('/')[-1]
    r = requests.get(url)
    with open(local_filename, 'wb') as f:
        for chunk in r.iter_content(chunk_size=1024): 
            if chunk: # filter out keep-alive new chunks
                f.write(chunk)
    return 

Incidentally, how are you deducing that the response has been loaded into memory?

It sounds as if python isn't flushing the data to file, from other SO questions you could try f.flush() and os.fsync() to force the file write and free memory;

    with open(local_filename, 'wb') as f:
        for chunk in r.iter_content(chunk_size=1024): 
            if chunk: # filter out keep-alive new chunks
                f.write(chunk)
                f.flush()
                os.fsync(f.fileno())

First I think you need to fix your lists, as the first node of a <ul> must be a <li> (stackoverflow ref). Once that is setup you can do this:

// note this array has outer scope
var phrases = [];

$('.phrase').each(function(){
        // this is inner scope, in reference to the .phrase element
        var phrase = '';
        $(this).find('li').each(function(){
            // cache jquery var
            var current = $(this);
            // check if our current li has children (sub elements)
            // if it does, skip it
            // ps, you can work with this by seeing if the first child
            // is a UL with blank inside and odd your custom BLANK text
            if(current.children().size() > 0) {return true;}
            // add current text to our current phrase
            phrase += current.text();
        });
        // now that our current phrase is completely build we add it to our outer array
        phrases.push(phrase);
    });
    // note the comma in the alert shows separate phrases
    alert(phrases);

Working jsfiddle.

One thing is if you get the .text() of an upper level li you will get all sub level text with it.

Keeping an array will allow for many multiple phrases to be extracted.

EDIT:

This should work better with an empty UL with no LI:

// outer scope
var phrases = [];

$('.phrase').each(function(){
    // inner scope
    var phrase = '';
    $(this).find('li').each(function(){
        // cache jquery object
        var current = $(this);
        // check for sub levels
        if(current.children().size() > 0) {
            // check is sublevel is just empty UL
            var emptyULtest = current.children().eq(0); 
            if(emptyULtest.is('ul') && $.trim(emptyULtest.text())==""){
                phrase += ' -BLANK- '; //custom blank text
                return true;   
            } else {
             // else it is an actual sublevel with li's
             return true;   
            }
        }
        // if it gets to here it is actual li
        phrase += current.text();
    });
    phrases.push(phrase);
});
// note the comma to separate multiple phrases
alert(phrases);

The problem with interpreted languages, is that you send the source to get them working (unless you have a compiler to bytecode, but then again, it is quite trivial to decompile).

So, if you don't want to sacrifice performance, you can only act on variable and function names, eg. replacing them with a, b... aa, ab... or a101, a102, etc. And, of course, remove as much space/newlines as you can (that's what so called JS compressors do).
Obfuscating strings will have a performance hit, if you have to encrypt them and decrypt them in real time. Plus a JS debugger can show the final values...

Here is the solution I'm using:

const result = `${ window.location.protocol }//${ window.location.host }`;

EDIT:

To add cross-browser compatibility, use the following:

const result = `${ window.location.protocol }//${ window.location.hostname + (window.location.port ? ':' + window.location.port: '') }`;

please go to .env file and change the value of AWS_DEFAULT_REGION to special area u want to...

AWS_DEFAULT_REGION = Asia/Dhaka

If you don't have a .gitignore file. You can create a new one by

touch .gitignore

And you can exclude a folder by entering the below command in the .gitignore file

/folderName

push this file into your git repository so that when a new person clone your project he don't have to add the same again

Since you are the only user:

git reset --hard HEAD@{1}
git push -f
git reset --hard HEAD@{1}

( basically, go back one commit, force push to the repo, then go back again - remove the last step if you don't care about the commit )

Without doing any changes to your local repo, you can also do something like:

git push -f origin <sha_of_previous_commit>:master

Generally, in published repos, it is safer to do git revert and then git push

Something like this should work:

UPDATE
    table_Name
SET 
  column_A = CASE WHEN @flag = '1' THEN column_A + @new_value ELSE column_A END,
  column_B = CASE WHEN @flag = '0' THEN column_B + @new_value ELSE column_B END
WHERE
    ID = @ID

You can either:

1. Zip the selected files and return the one zipped file.
2. Open multiple pop-ups each prompting for a download.

Note - option one is objectively better.

Edit Found an option three: https://stackoverflow.com/a/9425731/1803682

You can change the output based on your requirements, but here is a Bash one-liner I wrote to recursively count and report the number of files in a series of numerically named directories.

dir=/tmp/count_these/ ; for i in $(ls -1 ${dir} | sort -n) ; { echo "$i => $(find ${dir}${i} -type f | wc -l),"; }

This looks recursively for all files (not directories) in the given directory and returns the results in a hash-like format. Simple tweaks to the find command could make what kind of files you're looking to count more specific, etc.

It results in something like this:

1 => 38,
65 => 95052,
66 => 12823,
67 => 10572,
69 => 67275,
70 => 8105,
71 => 42052,
72 => 1184,

I was faced with the same problem today. Apparently the solution is as simple as using :

padding: calc(*put fixed pixels here*px + *put your required %age here*%) 

Note that you do have to decrement the required %age a little to account for fixed pixels.

I know this is old but this answer came up in search results. For the next guy - the proposed and accepted answer works, however the code initially submitted in the question is lower-level than it needs to be. Nobody got time for that.

//one-line post request/response...
response, err := http.PostForm(APIURL, url.Values{
    "ln": {c.ln},
    "ip": {c.ip},
    "ua": {c.ua}})

//okay, moving on...
if err != nil {
  //handle postform error
}

defer response.Body.Close()
body, err := ioutil.ReadAll(response.Body)

if err != nil {
  //handle read response error
}

fmt.Printf("%s\n", string(body))

https://golang.org/pkg/net/http/#pkg-overview

For someone looking to solve same by using maven. Add below dependency in POM:

<dependency>
    <groupId>com.microsoft.sqlserver</groupId>
    <artifactId>mssql-jdbc</artifactId>
    <version>7.0.0.jre8</version>
</dependency>

And use below code for connection:

String connectionUrl = "jdbc:sqlserver://localhost:1433;databaseName=master;user=sa;password=your_password";

try {
    System.out.print("Connecting to SQL Server ... ");
    try (Connection connection = DriverManager.getConnection(connectionUrl))        {
        System.out.println("Done.");
    }
} catch (Exception e) {
    System.out.println();
    e.printStackTrace();
}

Look for this link for other CRUD type of queries.

Another possible way:

open my $fh, '<', "filename";
read $fh, my $string, -s $fh;
close $fh;

The modern way to do it that maintains the order is:

>>> from collections import OrderedDict
>>> list(OrderedDict.fromkeys(lseparatedOrbList))

as discussed by Raymond Hettinger (python core dev) in this answer. In python 3.5 and above this is also the fastest way - see the linked answer for details. However the keys must be hashable (as is the case in your list I think)

You need only one line before the declaration of the class Animal for correct polymorphic serialization/deserialization:

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY, property = "@class")
public abstract class Animal {
   ...
}

This line means: add a meta-property on serialization or read a meta-property on deserialization (include = JsonTypeInfo.As.PROPERTY) called "@class" (property = "@class") that holds the fully-qualified Java class name (use = JsonTypeInfo.Id.CLASS).

So, if you create a JSON directly (without serialization) remember to add the meta-property "@class" with the desired class name for correct deserialization.

More information here

Or, change the app to WinForms, use grid and bind DataTable to grid. If it is a demo/sample app.

Use the following Statement:

IF EXISTS(SELECT * FROM prueba )
then
  UPDATE prueba
  SET nombre = '1', apellido = '1' 
  WHERE cedula = 'ct'
ELSE 
  INSERT INTO prueba (cedula, nombre, apellido)
  VALUES ('ct', 'ct', 'ct');

var modalVerticalCenterClass = ".modal";
function centerModals($element) {
    var $modals;
    if ($element.length) {
        $modals = $element;
    } else {
        $modals = $(modalVerticalCenterClass + ':visible');
    }
    $modals.each( function(i) {
        var $clone = $(this).clone().css('display', 'block').appendTo('body');
        var top = Math.round(($clone.height() - $clone.find('.modal-content').height()) / 2);
        top = top > 0 ? top : 0;
        $clone.remove();
        $(this).find('.modal-content').css("margin-top", top);
    });
}
$(modalVerticalCenterClass).on('show.bs.modal', function(e) {
    centerModals($(this));
});
$(window).on('resize', centerModals);

There's no built in method to do that. You can use the expression:

(date1 > date2 ? date1 : date2)

to find the maximum of the two.

You can write a generic method to calculate Min or Max for any type (provided that Comparer<T>.Default is set appropriately):

public static T Max<T>(T first, T second) {
    if (Comparer<T>.Default.Compare(first, second) > 0)
        return first;
    return second;
}

You can use LINQ too:

new[]{date1, date2, date3}.Max()

Any object in Java can be used as a lock using a synchronized block. This will also automatically take care of releasing the lock when an exception occurs.

Object someObject = ...;

synchronized (someObject) {
  ...
}

You can read more about this here: Intrinsic Locks and Synchronization

My solution is in function getRoman:

public  String getRoman(int number) {

    String riman[] = {"M","XM","CM","D","XD","CD","C","XC","L","XL","X","IX","V","IV","I"};
    int arab[] = {1000, 990, 900, 500, 490, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
    StringBuilder result = new StringBuilder();
    int i = 0;
    while (number > 0 || arab.length == (i - 1)) {
        while ((number - arab[i]) >= 0) {
            number -= arab[i];
            result.append(riman[i]);
        }
        i++;
    }
    return result.toString();
}

In Python, paths are relative to the current working directory, which in most cases is the directory from which you run your program. The current working directory is very likely not as same as the directory of your module file, so using a path relative to your current module file is always a bad choice.

Using absolute path should be the best solution:

import os
package_dir = os.path.dirname(os.path.abspath(__file__))
thefile = os.path.join(package_dir,'test.cvs')

Commenting on Ken Bertelson solution and answering Jan Hettich:

How it works

the takes_ary_as_arg descTable[@] optsTable[@] line in try_with_local_arys() function sends:

1. This is actually creates a copy of the descTable and optsTable arrays which are accessible to the takes_ary_as_arg function.
2. takes_ary_as_arg() function receives descTable[@] and optsTable[@] as strings, that means $1 == descTable[@] and $2 == optsTable[@].

3. in the beginning of takes_ary_as_arg() function it uses ${!parameter} syntax, which is called indirect reference or sometimes double referenced, this means that instead of using $1's value, we use the value of the expanded value of $1, example:

   baba=booba
   variable=baba
   echo ${variable} # baba
   echo ${!variable} # booba
   

   likewise for $2.

4. putting this in argAry1=("${!1}") creates argAry1 as an array (the brackets following =) with the expanded descTable[@], just like writing there argAry1=("${descTable[@]}") directly. the declare there is not required.

N.B.: It is worth mentioning that array initialization using this bracket form initializes the new array according to the IFS or Internal Field Separator which is by default tab, newline and space. in that case, since it used [@] notation each element is seen by itself as if he was quoted (contrary to [*]).

My reservation with it

In BASH, local variable scope is the current function and every child function called from it, this translates to the fact that takes_ary_as_arg() function "sees" those descTable[@] and optsTable[@] arrays, thus it is working (see above explanation).

Being that case, why not directly look at those variables themselves? It is just like writing there:

argAry1=("${descTable[@]}")

See above explanation, which just copies descTable[@] array's values according to the current IFS.

In summary

This is passing, in essence, nothing by value - as usual.

I also want to emphasize Dennis Williamson comment above: sparse arrays (arrays without all the keys defines - with "holes" in them) will not work as expected - we would loose the keys and "condense" the array.

That being said, I do see the value for generalization, functions thus can get the arrays (or copies) without knowing the names:

• for ~"copies": this technique is good enough, just need to keep aware, that the indices (keys) are gone.

• for real copies: we can use an eval for the keys, for example:

  eval local keys=(\${!$1})
  

and then a loop using them to create a copy. Note: here ! is not used it's previous indirect/double evaluation, but rather in array context it returns the array indices (keys).

• and, of course, if we were to pass descTable and optsTable strings (without [@]), we could use the array itself (as in by reference) with eval. for a generic function that accepts arrays.

According to Martin Fowler

The term was coined while Rebecca Parsons, Josh MacKenzie and I were preparing for a talk at a conference in September 2000. In the talk, we were pointing out the many benefits of encoding business logic into regular java objects rather than using Entity Beans. We wondered why people were so against using regular objects in their systems and concluded that it was because simple objects lacked a fancy name. So we gave them one, and it’s caught on very nicely.

Generally, a POJO is not bound to any restriction and any Java object can be called a POJO but there are some directions. A well-defined POJO should follow below directions.

1. Each variable in a POJO should be declared as private.
2. Default constructor should be overridden with public accessibility.
3. Each variable should have its Setter-Getter method with public accessibility.
4. Generally POJO should override equals(), hashCode() and toString() methods of Object (but it's not mandatory).
5. Overriding compare() method of Comparable interface used for sorting (Preferable but not mandatory).

And according to Java Language Specification, a POJO should not have to

1. Extend pre-specified classes
2. Implement pre-specified interfaces
3. Contain pre-specified annotations

However, developers and frameworks describe a POJO still requires the use prespecified annotations to implement features like persistence, declarative transaction management etc. So the idea is that if the object was a POJO before any annotations were added would return to POJO status if the annotations are removed then it can still be considered a POJO.

A JavaBean is a special kind of POJO that is Serializable, has a no-argument constructor, and allows access to properties using getter and setter methods that follow a simple naming convention.

Read more on Plain Old Java Object (POJO) Explained.

To clarify the problem with @@Identity:

For instance, if you insert a table and that table has triggers doing inserts, @@Identity will return the id from the insert in the trigger (a log_id or something), while scope_identity() will return the id from the insert in the original table.

So if you don't have any triggers, scope_identity() and @@identity will return the same value. If you have triggers, you need to think about what value you'd like.

I slightly modified your stored procedure (to use SCOPE_IDENTITY) and it looks like this:

CREATE PROCEDURE usp_InsertContract
    @ContractNumber varchar(7),
    @NewId int OUTPUT
AS
BEGIN
    INSERT INTO [dbo].[Contracts] (ContractNumber)
    VALUES (@ContractNumber)

    SELECT @NewId = SCOPE_IDENTITY()
END

I tried this and it works just fine (with that modified stored procedure):

// define connection and command, in using blocks to ensure disposal
using(SqlConnection conn = new SqlConnection(pvConnectionString ))
using(SqlCommand cmd = new SqlCommand("dbo.usp_InsertContract", conn))
{
    cmd.CommandType = CommandType.StoredProcedure;

    // set up the parameters
    cmd.Parameters.Add("@ContractNumber", SqlDbType.VarChar, 7);
    cmd.Parameters.Add("@NewId", SqlDbType.Int).Direction = ParameterDirection.Output;

    // set parameter values
    cmd.Parameters["@ContractNumber"].Value = contractNumber;

    // open connection and execute stored procedure
    conn.Open();
    cmd.ExecuteNonQuery();

    // read output value from @NewId
    int contractID = Convert.ToInt32(cmd.Parameters["@NewId"].Value);
    conn.Close();
}

Does this work in your environment, too? I can't say why your original code won't work - but when I do this here, VS2010 and SQL Server 2008 R2, it just works flawlessly....

If you don't get back a value - then I suspect your table Contracts might not really have a column with the IDENTITY property on it.

As suggested by Alan, function 'mapply' applies a function to multiple Multiple Lists or Vector Arguments:

mapply(myfun, arg1, arg2)

See man page: https://stat.ethz.ch/R-manual/R-devel/library/base/html/mapply.html

I finished my work on this stuff - that is, iOS 4 + iTunes 9.2 update of my backup decoder library for Python - http://www.iki.fi/fingon/iphonebackupdb.py

It does what I need, little documentation, but feel free to copy ideas from there ;-)

(Seems to work fine with my backups at least.)

Live Demo

Tested on Chrome / FF / IE11

There is a Chrome/IE annoyance which is that these browsers add <div> element for each new line. There is a post about this here and it can be fixed by setting the contenteditable element to be display:inline-block

Select some highlighted HTML and paste it here:

function onPaste(e){_x000D_
  var content;_x000D_
  e.preventDefault();_x000D_
_x000D_
  if( e.clipboardData ){_x000D_
    content = e.clipboardData.getData('text/plain');_x000D_
    document.execCommand('insertText', false, content);_x000D_
    return false;_x000D_
  }_x000D_
  else if( window.clipboardData ){_x000D_
    content = window.clipboardData.getData('Text');_x000D_
    if (window.getSelection)_x000D_
      window.getSelection().getRangeAt(0).insertNode( document.createTextNode(content) );_x000D_
  }_x000D_
}_x000D_
_x000D_
_x000D_
/////// EVENT BINDING /////////_x000D_
document.querySelector('[contenteditable]').addEventListener('paste', onPaste);

[contenteditable]{ _x000D_
  /* chroem bug: https://stackoverflow.com/a/24689420/104380 */_x000D_
  display:inline-block;_x000D_
  width: calc(100% - 40px);_x000D_
  min-height:120px; _x000D_
  margin:10px;_x000D_
  padding:10px;_x000D_
  border:1px dashed green;_x000D_
}_x000D_
_x000D_
/* _x000D_
 mark HTML inside the "contenteditable"  _x000D_
 (Shouldn't be any OFC!)'_x000D_
*/_x000D_
[contenteditable] *{_x000D_
  background-color:red;_x000D_
}

<div contenteditable></div>

It is actually very easy:

just use:

.icon-name{
color: #0C0;}

For example:

.icon-compass{
color: #C30;}

That's it.

Swift 3:

self.btn.sendActions(for: .touchUpInside)

According to the Apache site this is the Gradle dependency you need to include, if you use Android API 23 or newer:

dependencies {
    compile group: 'cz.msebera.android' , name: 'httpclient', version: '4.4.1.1'
}

Source: https://hc.apache.org/httpcomponents-client-4.5.x/android-port.html

For the difference between A1 and Today's date you could enter: =ABS(TODAY()-A1)

which returns the (fractional) number of days between the dates.

You're likely getting a #VALUE! error in your formula because Excel treats dates as numbers.

I had a similiar problem, where I had a grid with "ajax textfields" (Yii CGridView) and just one submit button. Everytime I did a search on a textfield and hit enter the form submitted. I had to do something with the button because it was the only common button between the views (MVC pattern). All I had to do was remove type="submit" and put onclick="document.forms[0].submit()

Here's a rails solutions. It's kind of back-door, which is actually the front door.

# create a headless browser
b = Watir::Browser.new :phantomjs
uri = 'https://www.instagram.com/explore/tags/' + query
uri = 'https://www.instagram.com/' + query if type == 'user'

b.goto uri

# all data are stored on this page-level object.
o = b.execute_script( 'return window._sharedData;')

b.close

The object you get back varies depending on whether or not it's a user search or a tag search. I get the data like this:

if type == 'user'
  data = o[ 'entry_data' ][ 'ProfilePage' ][ 0 ][ 'user' ][ 'media' ][ 'nodes' ]
  page_info = o[ 'entry_data' ][ 'ProfilePage' ][ 0 ][ 'user' ][ 'media' ][ 'page_info' ]
  max_id = page_info[ 'end_cursor' ]
  has_next_page = page_info[ 'has_next_page' ]
else
  data = o[ 'entry_data' ][ 'TagPage' ][ 0 ][ 'tag' ][ 'media' ][ 'nodes' ]
  page_info = o[ 'entry_data' ][ 'TagPage' ][ 0 ][ 'tag' ][ 'media' ][ 'page_info' ]
  max_id = page_info[ 'end_cursor' ]
  has_next_page = page_info[ 'has_next_page' ]
end

I then get another page of results by constructing a url in the following way:

  uri = 'https://www.instagram.com/explore/tags/' + query_string.to_s\
    + '?&max_id=' + max_id.to_s
  uri = 'https://www.instagram.com/' + query_string.to_s + '?&max_id='\
    + max_id.to_s if type === 'user'

Use Awk.

awk '{ print length }' abc.txt

You should actually be able to disable foreign key constraints the same way you temporarily disable other constraints:

Alter table MyTable nocheck constraint FK_ForeignKeyConstraintName

Just make sure you're disabling the constraint on the first table listed in the constraint name. For example, if my foreign key constraint was FK_LocationsEmployeesLocationIdEmployeeId, I would want to use the following:

Alter table Locations nocheck constraint FK_LocationsEmployeesLocationIdEmployeeId

even though violating this constraint will produce an error that doesn't necessarily state that table as the source of the conflict.

I needed to adapt this to

error_reporting = E_ALL & ~E_DEPRECATED

By using exploits or on badly configured servers it could be possible to download your PHP source. You could however either obfuscate and/or encrypt your code (using Zend Guard, Ioncube or a similar app) if you want to make sure your source will not be readable (to be accurate, obfuscation by itself could be reversed given enough time/resources, but I haven't found an IonCube or Zend Guard decryptor yet...).

I think this is the best and easy way:

$lista = @()

$lista += ('{"name": "Diego" }' | ConvertFrom-Json)
$lista += ('{"name": "Monica" }' | ConvertFrom-Json)
$lista += ('{"name": "Celia" }' | ConvertFrom-Json)
$lista += ('{"name": "Quin" }' | ConvertFrom-Json)

if ("Diego" -in $lista.name) {
    Write-Host "is in the list"
    return $true

}
else {
    Write-Host "not in the list"
    return $false
}

if you send the variable from PHP, you can obtain it with this before sending:

$string=nl2br($string);

If you search directly it won't appear so please follow as below steps to see .M2 repository path.

Go-> Find folder ->  type this "~/.m2" and click go

If Maven is already installed and used, the .m2 will be listed.

Source

To get an object from a xib file programatically you can use: [[NSBundle mainBundle] loadNibNamed:@"MyXibName" owner:self options:nil] which returns an array of the top level objects in the xib.

So, you could do something like this:

UIView *rootView = [[[NSBundle mainBundle] loadNibNamed:@"MyRootView" owner:self options:nil] objectAtIndex:0];
UIView *containerView = [[[NSBundle mainBundle] loadNibNamed:@"MyContainerView" owner:self options:nil] lastObject];
[rootView addSubview:containerView];
[self.view addSubview:rootView];

The form you are after is listed in the books online documentation.

http://msdn.microsoft.com/en-us/library/aa226054(SQL.80).aspx

For example, try the following:

select convert(varchar,getDate(),120)
select convert(varchar(10),getDate(),120)

I have found the simplest way to get current date and time in JavaScript from here - How to get current Date and Time using JavaScript

var today = new Date();
var date = today.getFullYear()+'-'+(today.getMonth()+1)+'-'+today.getDate();
var time = today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();
var CurrentDateTime = date+' '+time;

THIS WORKS GREAT - I tested it so, please SET NAME for every object

give the name to the object upon creation

    mesh.name = 'nameMeshObject';

and use this if you have to delete an object

    delete3DOBJ('nameMeshObject');



    function delete3DOBJ(objName){
        var selectedObject = scene.getObjectByName(objName);
        scene.remove( selectedObject );
        animate();
    }

open a new scene , add object

delete an object and create new

Based on answers from the community, there appear to be several ways that might solve this:

1. From the official FAQ and support forums and this answer, you may have have a firewall or proxy issue that is blocking RStudio from connecting to the internet:

• Disable any firewalls
• Tools -> Global Options -> Packages and unchecking the "Use Internet Explorer library/proxy for HTTP" option and restart R (#1, #2, #3)
• Flag R with --internet2
• On CentOS it was suggested to try the following: install.packages('package_name', dependencies=TRUE, repos='http://cran.rstudio.com/')

2. Several answers suggest using an alternate mirror (#1, #2, #3):

• Preferences > General > Default working directory > Browse and switch your mirror from local/global (whichever is unchecked)

3. On Windows you can start the application with http_proxy=http://host:port/:

• "C:\Program Files\RStudio\bin\rstudio.exe" http_proxy=http://host:port/

5. Shut down and restart. Needed after many of the above operations, and suggested standalone.

When I see that the big-site Content Management Systems routinely put some <style> elements (some, not all) close to the content that relies on those classes, I conclude that the horse is out of the barn.

Go look at page sources from cnn.com, nytimes.com, huffingtonpost.com, your nearest big-city newspaper, etc. All of them do this.

If there's a good reason to put an extra <style> section somewhere in the body -- for instance if you're include()ing diverse and independent page elements in real time and each has an embedded <style> of its own, and the organization will be cleaner, more modular, more understandable, and more maintainable -- I say just bite the bullet. Sure it would be better if we could have "local" style with restricted scope, like local variables, but you go to work with the HTML you have, not the HTML you might want or wish to have at a later time.

Of course there are potential drawbacks and good (if not always compelling) reasons to follow the orthodoxy, as others have elaborated. But to me it looks more and more like thoughtful use of <style> in <body> has already gone mainstream.

The correct answer for Java is use a Set. If you already have a List<Customer> and want to de duplicate it

Set<Customer> s = new HashSet<Customer>(listCustomer);

Otherise just use a Set implemenation HashSet, TreeSet directly and skip the List construction phase.

You will need to override hashCode() and equals() on your domain classes that are put in the Set as well to make sure that the behavior you want actually what you get. equals() can be as simple as comparing unique ids of the objects to as complex as comparing every field. hashCode() can be as simple as returning the hashCode() of the unique id' String representation or the hashCode().

One-liner to read a fixed amount of numbers into a vector (C++11):

#include <algorithm>
#include <iterator>
#include <iostream>
#include <vector>
#include <cstddef>

int main()
{
    const std::size_t LIMIT{5};
    std::vector<int> collection;

    std::generate_n(std::back_inserter(collection), LIMIT,
        []()
        {
            return *(std::istream_iterator<int>(std::cin));
        }
    );

    return 0;
}

The Angular way

The correct Angular way to do this is to write a single page app, AJAX in the form template, then populate it dynamically from the model. The model is not populated from the form by default because the model is the single source of truth. Instead Angular will go the other way and try to populate the form from the model.

If however, you don't have time to start over from scratch

If you have an app written, this might involve some fairly hefty architectural changes. If you're trying to use Angular to enhance an existing form, rather than constructing an entire single page app from scratch, you can pull the value from the form and store it in the scope at link time using a directive. Angular will then bind the value in the scope back to the form and keep it in sync.

Using a directive

You can use a relatively simple directive to pull the value from the form and load it in to the current scope. Here I've defined an initFromForm directive.

var myApp = angular.module("myApp", ['initFromForm']);

angular.module('initFromForm', [])
  .directive("initFromForm", function ($parse) {
    return {
      link: function (scope, element, attrs) {
        var attr = attrs.initFromForm || attrs.ngModel || element.attrs('name'),
        val = attrs.value;
        if (attrs.type === "number") {val = parseInt(val)}
        $parse(attr).assign(scope, val);
      }
    };
  });

You can see I've defined a couple of fallbacks to get a model name. You can use this directive in conjunction with the ngModel directive, or bind to something other than $scope if you prefer.

Use it like this:

<input name="test" ng-model="toaster.test" value="hello" init-from-form />
{{toaster.test}}

Note this will also work with textareas, and select dropdowns.

<textarea name="test" ng-model="toaster.test" init-from-form>hello</textarea>
{{toaster.test}}

if you are using http get please remove this line

urlConnection.setDoOutput(true);

I had to split a list for feature extraction in two parts lt,lc:

ltexts = ((df4.ix[0:,[3,7]]).values).tolist()
random.shuffle(ltexts)

featsets = [(act_features((lt)),lc) 
              for lc, lt in ltexts]

def act_features(atext):
  features = {}
  for word in nltk.word_tokenize(atext):
     features['cont({})'.format(word.lower())]=True
  return features

Most of above answer are right, so written a helper methods, so you can use it directly in you project .

set layout_gravity programmtically

// gravity types : Gravity.BOTTOM, Gravity.START etc.
// view : can be any view example : button, textview, linearlayout, image etc.

// for single view
   public static void setLayoutGravity(int gravity, View view){
     ((LinearLayout.LayoutParams) view.getLayoutParams()).gravity = gravity;
    }


// for mulitple views
  public static void setLayoutGravity(int gravity, View ...view){
        for(View item : view)
            ((LinearLayout.LayoutParams) item.getLayoutParams()).gravity = gravity;
    }

There is no defined maximum size for HTTP POST requests. If you notice such a limit then it's an arbitrary limitation of your HTTP Server/Client.

You might get a better answer if you tell how big the XML is.

check your value which you want to store in integer column. I think this is greater then range of integer. if you want to store value greater then integer range. you should use bigint datatype

This concept is not that easy as it looks. We can access static members without inheritance, which is HasA-relation. We can access static members by extending the parent class also. That doesn't imply that it is an ISA-relation (Inheritance). Actually static members belong to the class, and static is not an access modifier. As long as the access modifiers permit to access the static members we can use them in other classes. Like if it is public then it will be accessible inside the same package and also outside the package. For private we can't use it anywhere. For default, we can use it only within the package. But for protected we have to extend the super class. So getting the static method to other class does not depend on being Static. It depends on Access modifiers. So, in my opinion, Static members can access if the access modifiers permit. Otherwise, we can use them like we use by Hasa-relation. And has a relation is not inheritance. Again we can not override the static method. If we can use other method but cant override it, then it is HasA-relation. If we can't override them it won't be inheritance.So the writer was 100% correct.

Two-way binding just means that:

1. When properties in the model get updated, so does the UI.
2. When UI elements get updated, the changes get propagated back to the model.

Backbone doesn't have a "baked-in" implementation of #2 (although you can certainly do it using event listeners). Other frameworks like Knockout do wire up two-way binding automagically.

In Backbone, you can easily achieve #1 by binding a view's "render" method to its model's "change" event. To achieve #2, you need to also add a change listener to the input element, and call model.set in the handler.

Here's a Fiddle with two-way binding set up in Backbone.

On MVC 5 is quite similar

@Html.ActionLink("LinkText", "ActionName", new { id = "id" })

Another method could be to split the string by ":" and then pop off the end. var newString = string.split(":").pop();

This is the only way I've found to tell reliably:

SCRIPT_DIR=$(dirname $(cd "$(dirname "$BASH_SOURCE")"; pwd))

Initialization (component) using:

public selector = new FormControl({value: '', disabled: true});

Then instead of using (template):

<ngx-select
[multiple]="true"
[disabled]="errorSelector"
[(ngModel)]="ngxval_selector"
[items]="items"
</ngx-select>

Just remove the attribute disabled:

<ngx-select
[multiple]="true"
[(ngModel)]="ngxval_selector"
[items]="items"
</ngx-select>

And when you have items to show, launch (in component): this.selector.enable();

It can also be caused by this bug, if you're having Eclipse 4.5/4.6, an Eclipse Xtext plugin version older than v2.9.0, and a particular workspace configuration.

The workaround would be to create a new workspace and import the existing projects.

just use V to select lines or v to select chars or Ctrlv to select a block.

When the selection spans the area you'd like to copy just hit y and use p to paste it anywhere you like...

Try to uninstall angular and then reinstall

npm uninstall --save @angular/(then whatever component you want deleted)

after that, a box with babyblue color border will appear with suggestion to update and install angular back up.

Can't resist adding my own spin to this. This is so much better and more compact than what I've used in the past.

This solution:

• Does not depend on a database driver or 3rd party library.
• Will not fail on duplicate column names
• Handles commas in the data
• Handles any delimiter, not just commas (although that is the default)

Here's what I came up with:

  Public Function ToDataTable(FileName As String, Optional Delimiter As String = ",") As DataTable
    ToDataTable = New DataTable
    Using TextFieldParser As New Microsoft.VisualBasic.FileIO.TextFieldParser(FileName) With
      {.HasFieldsEnclosedInQuotes = True, .TextFieldType = Microsoft.VisualBasic.FileIO.FieldType.Delimited, .TrimWhiteSpace = True}
      With TextFieldParser
        .SetDelimiters({Delimiter})
        .ReadFields.ToList.Unique.ForEach(Sub(x) ToDataTable.Columns.Add(x))
        ToDataTable.Columns.Cast(Of DataColumn).ToList.ForEach(Sub(x) x.AllowDBNull = True)
        Do Until .EndOfData
          ToDataTable.Rows.Add(.ReadFields.Select(Function(x) Text.BlankToNothing(x)).ToArray)
        Loop
      End With
    End Using
  End Function

It depends on an extension method (Unique) to handle duplicate column names to be found as my answer in How to append unique numbers to a list of strings

And here's the BlankToNothing helper function:

  Public Function BlankToNothing(ByVal Value As String) As Object 
    If String.IsNullOrEmpty(Value) Then Return Nothing
    Return Value
  End Function

You can now (C++14) return a locally-defined (i.e. defined inside the function) as follows:

auto f()
{
    struct S
    {
      int a;
      double b;
    } s;
    s.a = 42;
    s.b = 42.0;
    return s;
}

auto x = f();
a = x.a;
b = x.b;

I wrote a set of attached properties to automatically sort a GridView, you can check it out here. It doesn't handle the up/down arrow, but it could easily be added.

<ListView ItemsSource="{Binding Persons}"
          IsSynchronizedWithCurrentItem="True"
          util:GridViewSort.AutoSort="True">
    <ListView.View>
        <GridView>
            <GridView.Columns>
                <GridViewColumn Header="Name"
                                DisplayMemberBinding="{Binding Name}"
                                util:GridViewSort.PropertyName="Name"/>
                <GridViewColumn Header="First name"
                                DisplayMemberBinding="{Binding FirstName}"
                                util:GridViewSort.PropertyName="FirstName"/>
                <GridViewColumn Header="Date of birth"
                                DisplayMemberBinding="{Binding DateOfBirth}"
                                util:GridViewSort.PropertyName="DateOfBirth"/>
            </GridView.Columns>
        </GridView>
    </ListView.View>
</ListView>

While Python 3 deals in Unicode, the Windows console or POSIX tty that you're running inside does not. So, whenever you print, or otherwise send Unicode strings to stdout, and it's attached to a console/tty, Python has to encode it.

The error message indirectly tells you what character set Python was trying to use:

  File "C:\Python32\lib\encodings\cp850.py", line 19, in encode

This means the charset is cp850.

You can test or yourself that this charset doesn't have the appropriate character just by doing '\u2013'.encode('cp850'). Or you can look up cp850 online (e.g., at Wikipedia).

It's possible that Python is guessing wrong, and your console is really set for, say UTF-8. (In that case, just manually set sys.stdout.encoding='utf-8'.) It's also possible that you intended your console to be set for UTF-8 but did something wrong. (In that case, you probably want to follow up at superuser.com.)

But if nothing is wrong, you just can't print that character. You will have to manually encode it with one of the non-strict error-handlers. For example:

>>> '\u2013'.encode('cp850')
UnicodeEncodeError: 'charmap' codec can't encode character '\u2013' in position 0: character maps to <undefined>
>>> '\u2013'.encode('cp850', errors='replace')
b'?'

So, how do you print a string that won't print on your console?

You can replace every print function with something like this:

>>> print(r['body'].encode('cp850', errors='replace').decode('cp850'))
?

… but that's going to get pretty tedious pretty fast.

The simple thing to do is to just set the error handler on sys.stdout:

>>> sys.stdout.errors = 'replace'
>>> print(r['body'])
?

For printing to a file, things are pretty much the same, except that you don't have to set f.errors after the fact, you can set it at construction time. Instead of this:

with open('path', 'w', encoding='cp850') as f:

Do this:

with open('path', 'w', encoding='cp850', errors='replace') as f:

… Or, of course, if you can use UTF-8 files, just do that, as Mark Ransom's answer shows:

with open('path', 'w', encoding='utf-8') as f:

In my case,it is cause by Realm library,after I update it to latest version(5.1.0 so far) of Realm,the problem solved!

Here is the working gradle script:

buildscript {
repositories {
    jcenter()
    google()
}

dependencies {
    classpath 'com.android.tools.build:gradle:3.1.2'
    classpath "io.realm:realm-gradle-plugin:5.1.0"
    // NOTE: Do not place your application dependencies here; they belong
    // in the individual module build.gradle files
    classpath 'com.google.gms:google-services:3.2.1'
  }
}

If you want to replace space below code worked for me in C#

Regex.Replace(Line,"\\\s","");

For Tab

Regex.Replace(Line,"\\\s\\\s","");

You can see use the free and open source pdftools (disclaimer: I am the author of it).

It is basically a Python interface to the Latex pdfpages package.

To merge pdf files one by one, you can run:

pdftools --input-file file1.pdf --input-file file2.pdf --output output.pdf

To merge together all the pdf files in a directory, you can run:

pdftools --input-dir ./dir_with_pdfs --output output.pdf

Try using exit(0); instead. The exit function expects an integer parameter. And don't forget to #include <stdlib.h>.

check the /tmp/tmp/server.pid

there is a pid inside.

Usually, I ill do "kill -9 THE_PID" in the cmd

How I would start emulation.

1.Get books based around low level programming, you'll need it for the "pretend" operating system of the Nintendo...game boy...

2.Get books on emulation specifically, and maybe os development. (you won't be making an os, but the closest to it.

3.look at some open source emulators, especially ones of the system you want to make an emulator for.

4.copy snippets of the more complex code into your IDE/compliler. This will save you writing out long code. This is what I do for os development, use a district of linux

For spring :

File inputFile = new ClassPathResource("\\chrome\\chromedriver.exe").getFile();
System.setProperty("webdriver.chrome.driver",inputFile.getCanonicalPath());

You should not define global variables in header files. You can declare them as extern in header file and define them in a .c source file.

(Note: In C, int i; is a tentative definition, it allocates storage for the variable (= is a definition) if there is no other definition found for that variable in the translation unit.)

Try with "update tablet set (row='value' where id=0001'), (row='value2' where id=0002'), ...

The most common way to do this is something along these lines:

ul {_x000D_
  list-style: none;_x000D_
  padding: 0;_x000D_
  margin: 0;_x000D_
}_x000D_
_x000D_
li {_x000D_
  padding-left: 1em; _x000D_
  text-indent: -.7em;_x000D_
}_x000D_
_x000D_
li::before {_x000D_
  content: "• ";_x000D_
  color: red; /* or whatever color you prefer */_x000D_
}

<ul>_x000D_
  <li>Foo</li>_x000D_
  <li>Bar</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</li>_x000D_
</ul>

JSFiddle: http://jsfiddle.net/leaverou/ytH5P/

Will work in all browsers, including IE from version 8 and up.

The Java 8 streaming api offers an elegant alternative:

public static void main(String[] args) {
    double avg = Arrays.stream(new int[]{1,3,2,5,8}).average().getAsDouble();

    System.out.println("avg: " + avg);
}

• Method 1: Upgrade manually one by one

pip install package_name -U

• Method 2: Upgrade all at once (high chance rollback if some package fail to upgrade

pip install $(pip list --outdated --format=columns |tail -n +3|cut -d" " -f1) --upgrade

• Method 3: Upgrade one by one using loop

for i in  $(pip list --outdated --format=columns |tail -n +3|cut -d" " -f1); do pip install $i --upgrade; done

def is_iterable(item):
   return isinstance(item, list) or isinstance(item, tuple)


def flatten(items):
    for i in items:
        if is_iterable(item):
            for m in flatten(i):
                yield m
        else:
            yield i

Test:

print list(flatten2([1.0, 2, 'a', (4,), ((6,), (8,)), (((8,),(9,)), ((12,),(10)))]))

Bounds - x:0, y:0, width: 20, height: 40 is a static
Frame - x:60, y:20, width: 45, height: 45 is a dynamic based on inner bounds.

One more illustration to show a difference between frame and bounds. At this example:

• View B is a subview of View A
• View B was moved to x:60, y: 20
• View B was rotated 45 degrees

You can easily wrap the readFile command with a promise like so:

async function readFile(path) {
    return new Promise((resolve, reject) => {
      fs.readFile(path, 'utf8', function (err, data) {
        if (err) {
          reject(err);
        }
        resolve(data);
      });
    });
  }

then use:

await readFile("path/to/file");

If you actually want a static property of your class, that isn't currently supported in Swift. The current advice is to get around that by using global constants:

let testStr = "test"
let testStrLen = countElements(testStr)

class MyClass {
    func myFunc() {
    }
}

If you want these to be instance properties instead, you can use a lazy stored property for the length -- it will only get evaluated the first time it is accessed, so you won't be computing it over and over.

class MyClass {
    let testStr: String = "test"
    lazy var testStrLen: Int = countElements(self.testStr)

    func myFunc() {
    }
}

You can access you website using your IP address and your cPanel username with ~ symbols. For Example: http://serverip/~cpusername like as https://xxx.xxx.xx.xx/~mohidul

You want this method:

boolean isList = List.class.isAssignableFrom(myClass);

where in general, List (above) should be replaced with superclass and myClass should be replaced with subclass

From the JavaDoc:

Determines if the class or interface represented by this Class object is either the same as, or is a superclass or superinterface of, the class or interface represented by the specified Class parameter. It returns true if so; otherwise it returns false. If this Class object represents a primitive type, this method returns true if the specified Class parameter is exactly this Class object; otherwise it returns false.

Reference:

• Class.isAssignableFrom(Class)

Related:

a) Check if an Object is an instance of a Class or Interface (including subclasses) you know at compile time:

boolean isInstance = someObject instanceof SomeTypeOrInterface;

Example:

assertTrue(Arrays.asList("a", "b", "c") instanceof List<?>);

b) Check if an Object is an instance of a Class or Interface (including subclasses) you only know at runtime:

Class<?> typeOrInterface = // acquire class somehow
boolean isInstance = typeOrInterface.isInstance(someObject);

Example:

public boolean checkForType(Object candidate, Class<?> type){
    return type.isInstance(candidate);
}

You can use also util methods mentioned in this blog: Getting cell witdth and height from excel with Apache POI. It can solve your problem.

Copy & paste from that blog:

static public class PixelUtil {

    public static final short EXCEL_COLUMN_WIDTH_FACTOR = 256;
    public static final short EXCEL_ROW_HEIGHT_FACTOR = 20;
    public static final int UNIT_OFFSET_LENGTH = 7;
    public static final int[] UNIT_OFFSET_MAP = new int[] { 0, 36, 73, 109, 146, 182, 219 };

    public static short pixel2WidthUnits(int pxs) {
        short widthUnits = (short) (EXCEL_COLUMN_WIDTH_FACTOR * (pxs / UNIT_OFFSET_LENGTH));
        widthUnits += UNIT_OFFSET_MAP[(pxs % UNIT_OFFSET_LENGTH)];
        return widthUnits;
    }

    public static int widthUnits2Pixel(short widthUnits) {
        int pixels = (widthUnits / EXCEL_COLUMN_WIDTH_FACTOR) * UNIT_OFFSET_LENGTH;
        int offsetWidthUnits = widthUnits % EXCEL_COLUMN_WIDTH_FACTOR;
        pixels += Math.floor((float) offsetWidthUnits / ((float) EXCEL_COLUMN_WIDTH_FACTOR / UNIT_OFFSET_LENGTH));
        return pixels;
    }

    public static int heightUnits2Pixel(short heightUnits) {
        int pixels = (heightUnits / EXCEL_ROW_HEIGHT_FACTOR);
        int offsetWidthUnits = heightUnits % EXCEL_ROW_HEIGHT_FACTOR;
        pixels += Math.floor((float) offsetWidthUnits / ((float) EXCEL_ROW_HEIGHT_FACTOR / UNIT_OFFSET_LENGTH));
        return pixels;
    }
}

So when you want to get cell width and height you can use this to get value in pixel, values are approximately.

PixelUtil.heightUnits2Pixel((short) row.getHeight())
PixelUtil.widthUnits2Pixel((short) sh.getColumnWidth(columnIndex));

v is a query parameter, technically you need to consider cases ala: http://www.youtube.com/watch?p=DB852818BF378DAC&v=1q-k-uN73Gk

In .NET I would recommend to use System.Web.HttpUtility.ParseQueryString

HttpUtility.ParseQueryString(url)["v"];

And you don't even need to check the key, as it will return null if the key is not in the collection.

You can first cast object to string and then cast the string to int; for example:

string str_myobject = myobject.ToString();
int int_myobject = int.Parse(str_myobject);

this worked for me.

I believe that you can omit updating the "non-desired" columns by adjusting the other answers as follows:

update table set
    columnx = (case when condition1 then 25 end),
    columny = (case when condition2 then 25 end)`

As I understand it, this will update only when the condition is met.

After reading all the comments, this is the most efficient:

Update table set ColumnX = 25 where Condition1
 Update table set ColumnY = 25 where Condition1`

Sample Table:

CREATE TABLE [dbo].[tblTest](
    [ColX] [int] NULL,
    [ColY] [int] NULL,
    [ColConditional] [bit] NULL,
    [id] [int] IDENTITY(1,1) NOT NULL
) ON [PRIMARY]

Sample Data:

Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 0)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 0)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 1)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 1)
Insert into tblTest (ColX, ColY, ColConditional) values (1, null, null)
Insert into tblTest (ColX, ColY, ColConditional) values (2, null, null)
Insert into tblTest (ColX, ColY, ColConditional) values (null, 1, null)
Insert into tblTest (ColX, ColY, ColConditional) values (null, 2, null)

Now I assume you can write a conditional that handles nulls. For my example, I am assuming you have written such a conditional that evaluates to True, False or Null. If you need help with this, let me know and I will do my best.

Now running these two lines of code does infact change X to 25 if and only if ColConditional is True(1) and Y to 25 if and only if ColConditional is False(0)

Update tblTest set ColX = 25 where ColConditional = 1
Update tblTest set ColY = 25 where ColConditional = 0

P.S. The null case was never mentioned in the original question or any updates to the question, but as you can see, this very simple answer handles them anyway.

Here's a quick example:

termList = []
termList.append(('term1', [1,2,3,4]))
termList.append(('term2', [5,6,7,8]))
termList.append(('term3', [9,10,11,12]))

result = [x[1] for x in termList if x[0] == 'term3']

print(result)

It's not jsut stack allocation that's faster. You also win a lot on using stack variables. They have better locality of reference. And finally, deallocation is a lot cheaper too.

Yes, it is used all the time for testing. It is very likely that the testing framework uses .equals() for comparisons such as these.

Below is a link explaining the "string equality mistake". Essentially, strings in Java are objects, and when you compare object equality, typically they are compared based on memory address, and not by content. Because of this, two strings won't occupy the same address, even if their content is identical, so they won't match correctly, even though they look the same when printed.

http://blog.enrii.com/2006/03/15/java-string-equality-common-mistake/

In my case, I has having problems removing and reinstalling SaltStack.

After running:

ls -lah /usr/local/Cellar/salt/

I noticed that the group owner was "staff". (BTW, I'm running macOS Mojave version 10.14.3.) The staff group could be related to my workplace configuration, but I don't really know. Regardless, I preserved the group to prevent myself from breaking anything further.

I then ran:

sudo chown -R "$USER":staff /usr/local/Cellar/salt/

After that, I was successfully able to remove it with this command (not as root):

brew uninstall --force salt

There is a c++ class called _bstr_t. It has useful methods and a collection of overloaded operators.

For example, you can easily assign from a const wchar_t * or a const char * just doing _bstr_t bstr = L"My string"; Then you can convert it back doing const wchar_t * s = bstr.operator const wchar_t *();. You can even convert it back to a regular char const char * c = bstr.operator char *(); You can then just use the const wchar_t * or the const char * to initialize a new std::wstring oe std::string.

If you are doing this in a browser, you can capture keyboard events.

• keydown
• keypress
• keyup

Can all be listened to on HTML nodes in most browsers.

Webkit also supports...

• textInput

See for more details .. http://unixpapa.com/js/key.html

Here is a very fast script based on the Unicode standard, taken from here: http://semplicewebsites.com/removing-accents-javascript

var Latinise={};Latinise.latin_map={"Á":"A","A":"A","?":"A","?":"A","?":"A","?":"A","?":"A","A":"A","Â":"A","?":"A","?":"A","?":"A","?":"A","?":"A","Ä":"A","A":"A","?":"A","?":"A","?":"A","?":"A","À":"A","?":"A","?":"A","A":"A","A":"A","Å":"A","?":"A","?":"A","?":"A","Ã":"A","?":"AA","Æ":"AE","?":"AE","?":"AE","?":"AO","?":"AU","?":"AV","?":"AV","?":"AY","?":"B","?":"B","?":"B","?":"B","?":"B","?":"B","C":"C","C":"C","Ç":"C","?":"C","C":"C","C":"C","?":"C","?":"C","D":"D","?":"D","?":"D","?":"D","?":"D","?":"D","?":"D","?":"D","?":"D","Ð":"D","?":"D","?":"DZ","?":"DZ","É":"E","E":"E","E":"E","?":"E","?":"E","Ê":"E","?":"E","?":"E","?":"E","?":"E","?":"E","?":"E","Ë":"E","E":"E","?":"E","?":"E","È":"E","?":"E","?":"E","E":"E","?":"E","?":"E","E":"E","?":"E","?":"E","?":"E","?":"ET","?":"F","ƒ":"F","?":"G","G":"G","G":"G","G":"G","G":"G","G":"G","?":"G","?":"G","G":"G","?":"H","?":"H","?":"H","H":"H","?":"H","?":"H","?":"H","?":"H","H":"H","Í":"I","I":"I","I":"I","Î":"I","Ï":"I","?":"I","I":"I","?":"I","?":"I","Ì":"I","?":"I","?":"I","I":"I","I":"I","I":"I","I":"I","?":"I","?":"D","?":"F","?":"G","?":"R","?":"S","?":"T","?":"IS","J":"J","?":"J","?":"K","K":"K","K":"K","?":"K","?":"K","?":"K","?":"K","?":"K","?":"K","?":"K","L":"L","?":"L","L":"L","L":"L","?":"L","?":"L","?":"L","?":"L","?":"L","?":"L","?":"L","?":"L","?":"L","L":"L","?":"LJ","?":"M","?":"M","?":"M","?":"M","N":"N","N":"N","N":"N","?":"N","?":"N","?":"N","?":"N","?":"N","?":"N","?":"N","?":"N","Ñ":"N","?":"NJ","Ó":"O","O":"O","O":"O","Ô":"O","?":"O","?":"O","?":"O","?":"O","?":"O","Ö":"O","?":"O","?":"O","?":"O","?":"O","O":"O","?":"O","Ò":"O","?":"O","O":"O","?":"O","?":"O","?":"O","?":"O","?":"O","?":"O","?":"O","?":"O","O":"O","?":"O","?":"O","O":"O","O":"O","O":"O","Ø":"O","?":"O","Õ":"O","?":"O","?":"O","?":"O","?":"OI","?":"OO","?":"E","?":"O","?":"OU","?":"P","?":"P","?":"P","?":"P","?":"P","?":"P","?":"P","?":"Q","?":"Q","R":"R","R":"R","R":"R","?":"R","?":"R","?":"R","?":"R","?":"R","?":"R","?":"R","?":"R","?":"C","?":"E","S":"S","?":"S","Š":"S","?":"S","S":"S","S":"S","?":"S","?":"S","?":"S","?":"S","T":"T","T":"T","?":"T","?":"T","?":"T","?":"T","?":"T","?":"T","?":"T","T":"T","T":"T","?":"A","?":"L","?":"M","?":"V","?":"TZ","Ú":"U","U":"U","U":"U","Û":"U","?":"U","Ü":"U","U":"U","U":"U","U":"U","U":"U","?":"U","?":"U","U":"U","?":"U","Ù":"U","?":"U","U":"U","?":"U","?":"U","?":"U","?":"U","?":"U","?":"U","U":"U","?":"U","U":"U","U":"U","U":"U","?":"U","?":"U","?":"V","?":"V","?":"V","?":"V","?":"VY","?":"W","W":"W","?":"W","?":"W","?":"W","?":"W","?":"W","?":"X","?":"X","Ý":"Y","Y":"Y","Ÿ":"Y","?":"Y","?":"Y","?":"Y","?":"Y","?":"Y","?":"Y","?":"Y","?":"Y","?":"Y","Z":"Z","Ž":"Z","?":"Z","?":"Z","Z":"Z","?":"Z","?":"Z","?":"Z","?":"Z","?":"IJ","Œ":"OE","?":"A","?":"AE","?":"B","?":"B","?":"C","?":"D","?":"E","?":"F","?":"G","?":"G","?":"H","?":"I","?":"R","?":"J","?":"K","?":"L","?":"L","?":"M","?":"N","?":"O","?":"OE","?":"O","?":"OU","?":"P","?":"R","?":"N","?":"R","?":"S","?":"T","?":"E","?":"R","?":"U","?":"V","?":"W","?":"Y","?":"Z","á":"a","a":"a","?":"a","?":"a","?":"a","?":"a","?":"a","a":"a","â":"a","?":"a","?":"a","?":"a","?":"a","?":"a","ä":"a","a":"a","?":"a","?":"a","?":"a","?":"a","à":"a","?":"a","?":"a","a":"a","a":"a","?":"a","?":"a","å":"a","?":"a","?":"a","?":"a","ã":"a","?":"aa","æ":"ae","?":"ae","?":"ae","?":"ao","?":"au","?":"av","?":"av","?":"ay","?":"b","?":"b","?":"b","?":"b","?":"b","?":"b","b":"b","?":"b","?":"o","c":"c","c":"c","ç":"c","?":"c","c":"c","?":"c","c":"c","?":"c","?":"c","d":"d","?":"d","?":"d","?":"d","?":"d","?":"d","?":"d","?":"d","?":"d","?":"d","?":"d","d":"d","?":"d","?":"d","i":"i","?":"j","?":"j","?":"j","?":"dz","?":"dz","é":"e","e":"e","e":"e","?":"e","?":"e","ê":"e","?":"e","?":"e","?":"e","?":"e","?":"e","?":"e","ë":"e","e":"e","?":"e","?":"e","è":"e","?":"e","?":"e","e":"e","?":"e","?":"e","?":"e","e":"e","?":"e","?":"e","?":"e","?":"e","?":"et","?":"f","ƒ":"f","?":"f","?":"f","?":"g","g":"g","g":"g","g":"g","g":"g","g":"g","?":"g","?":"g","?":"g","g":"g","?":"h","?":"h","?":"h","h":"h","?":"h","?":"h","?":"h","?":"h","?":"h","?":"h","h":"h","?":"hv","í":"i","i":"i","i":"i","î":"i","ï":"i","?":"i","?":"i","?":"i","ì":"i","?":"i","?":"i","i":"i","i":"i","?":"i","?":"i","i":"i","?":"i","?":"d","?":"f","?":"g","?":"r","?":"s","?":"t","?":"is","j":"j","j":"j","?":"j","?":"j","?":"k","k":"k","k":"k","?":"k","?":"k","?":"k","?":"k","?":"k","?":"k","?":"k","?":"k","l":"l","l":"l","?":"l","l":"l","l":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","?":"l","l":"l","?":"lj","?":"s","?":"s","?":"s","?":"s","?":"m","?":"m","?":"m","?":"m","?":"m","?":"m","n":"n","n":"n","n":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","?":"n","ñ":"n","?":"nj","ó":"o","o":"o","o":"o","ô":"o","?":"o","?":"o","?":"o","?":"o","?":"o","ö":"o","?":"o","?":"o","?":"o","?":"o","o":"o","?":"o","ò":"o","?":"o","o":"o","?":"o","?":"o","?":"o","?":"o"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String.prototype.latinise=function(){return this.replace(/[^A-Za-z0-9\[\] ]/g,function(a){return Latinise.latin_map[a]||a})};
String.prototype.latinize=String.prototype.latinise;
String.prototype.isLatin=function(){return this==this.latinise()}

Some examples:

> "Piqué".latinize();
"Pique"
> "Piqué".isLatin();
false
> "Pique".isLatin();
true
> "Piqué".latinise().isLatin();
true

To ensure the above latin_map doesn't get corrupted by copy/pasting or other transformations, use this base64 encoded string, replacing the first line of the above:

var base64map="{"Á":"A","Ă":"A","Ắ":"A","Ặ":"A","Ằ":"A","Ẳ":"A","Ẵ":"A","Ǎ":"A","Â":"A","Ấ":"A","Ậ":"A","Ầ":"A","Ẩ":"A","Ẫ":"A","Ä":"A","Ǟ":"A","Ȧ":"A","Ǡ":"A","Ạ":"A","Ȁ":"A","À":"A","Ả":"A","Ȃ":"A","Ā":"A","Ą":"A","Å":"A","Ǻ":"A","Ḁ":"A","Ⱥ":"A","Ã":"A","Ꜳ":"AA","Æ":"AE","Ǽ":"AE","Ǣ":"AE","Ꜵ":"AO","Ꜷ":"AU","Ꜹ":"AV","Ꜻ":"AV","Ꜽ":"AY","Ḃ":"B","Ḅ":"B","Ɓ":"B","Ḇ":"B","Ƀ":"B","Ƃ":"B","Ć":"C","Č":"C","Ç":"C","Ḉ":"C","Ĉ":"C","Ċ":"C","Ƈ":"C","Ȼ":"C","Ď":"D","Ḑ":"D","Ḓ":"D","Ḋ":"D","Ḍ":"D","Ɗ":"D","Ḏ":"D","ǲ":"D","ǅ":"D","Đ":"D","Ƌ":"D","Ǳ":"DZ","Ǆ":"DZ","É":"E","Ĕ":"E","Ě":"E","Ȩ":"E","Ḝ":"E","Ê":"E","Ế":"E","Ệ":"E","Ề":"E","Ể":"E","Ễ":"E","Ḙ":"E","Ë":"E","Ė":"E","Ẹ":"E","Ȅ":"E","È":"E","Ẻ":"E","Ȇ":"E","Ē":"E","Ḗ":"E","Ḕ":"E","Ę":"E","Ɇ":"E","Ẽ":"E","Ḛ":"E","Ꝫ":"ET","Ḟ":"F","Ƒ":"F","Ǵ":"G","Ğ":"G","Ǧ":"G","Ģ":"G","Ĝ":"G","Ġ":"G","Ɠ":"G","Ḡ":"G","Ǥ":"G","Ḫ":"H","Ȟ":"H","Ḩ":"H","Ĥ":"H","Ⱨ":"H","Ḧ":"H","Ḣ":"H","Ḥ":"H","Ħ":"H","Í":"I","Ĭ":"I","Ǐ":"I","Î":"I","Ï":"I","Ḯ":"I","İ":"I","Ị":"I","Ȉ":"I","Ì":"I","Ỉ":"I","Ȋ":"I","Ī":"I","Į":"I","Ɨ":"I","Ĩ":"I","Ḭ":"I","Ꝺ":"D","Ꝼ":"F","Ᵹ":"G","Ꞃ":"R","Ꞅ":"S","Ꞇ":"T","Ꝭ":"IS","Ĵ":"J","Ɉ":"J","Ḱ":"K","Ǩ":"K","Ķ":"K","Ⱪ":"K","Ꝃ":"K","Ḳ":"K","Ƙ":"K","Ḵ":"K","Ꝁ":"K","Ꝅ":"K","Ĺ":"L","Ƚ":"L","Ľ":"L","Ļ":"L","Ḽ":"L","Ḷ":"L","Ḹ":"L","Ⱡ":"L","Ꝉ":"L","Ḻ":"L","Ŀ":"L","Ɫ":"L","ǈ":"L","Ł":"L","Ǉ":"LJ","Ḿ":"M","Ṁ":"M","Ṃ":"M","Ɱ":"M","Ń":"N","Ň":"N","Ņ":"N","Ṋ":"N","Ṅ":"N","Ṇ":"N","Ǹ":"N","Ɲ":"N","Ṉ":"N","Ƞ":"N","ǋ":"N","Ñ":"N","Ǌ":"NJ","Ó":"O","Ŏ":"O","Ǒ":"O","Ô":"O","Ố":"O","Ộ":"O","Ồ":"O","Ổ":"O","Ỗ":"O","Ö":"O","Ȫ":"O","Ȯ":"O","Ȱ":"O","Ọ":"O","Ő":"O","Ȍ":"O","Ò":"O","Ỏ":"O","Ơ":"O","Ớ":"O","Ợ":"O","Ờ":"O","Ở":"O","Ỡ":"O","Ȏ":"O","Ꝋ":"O","Ꝍ":"O","Ō":"O","Ṓ":"O","Ṑ":"O","Ɵ":"O","Ǫ":"O","Ǭ":"O","Ø":"O","Ǿ":"O","Õ":"O","Ṍ":"O","Ṏ":"O","Ȭ":"O","Ƣ":"OI","Ꝏ":"OO","Ɛ":"E","Ɔ":"O","Ȣ":"OU","Ṕ":"P","Ṗ":"P","Ꝓ":"P","Ƥ":"P","Ꝕ":"P","Ᵽ":"P","Ꝑ":"P","Ꝙ":"Q","Ꝗ":"Q","Ŕ":"R","Ř":"R","Ŗ":"R","Ṙ":"R","Ṛ":"R","Ṝ":"R","Ȑ":"R","Ȓ":"R","Ṟ":"R","Ɍ":"R","Ɽ":"R","Ꜿ":"C","Ǝ":"E","Ś":"S","Ṥ":"S","Š":"S","Ṧ":"S","Ş":"S","Ŝ":"S","Ș":"S","Ṡ":"S","Ṣ":"S","Ṩ":"S","Ť":"T","Ţ":"T","Ṱ":"T","Ț":"T","Ⱦ":"T","Ṫ":"T","Ṭ":"T","Ƭ":"T","Ṯ":"T","Ʈ":"T","Ŧ":"T","Ɐ":"A","Ꞁ":"L","Ɯ":"M","Ʌ":"V","Ꜩ":"TZ","Ú":"U","Ŭ":"U","Ǔ":"U","Û":"U","Ṷ":"U","Ü":"U","Ǘ":"U","Ǚ":"U","Ǜ":"U","Ǖ":"U","Ṳ":"U","Ụ":"U","Ű":"U","Ȕ":"U","Ù":"U","Ủ":"U","Ư":"U","Ứ":"U","Ự":"U","Ừ":"U","Ử":"U","Ữ":"U","Ȗ":"U","Ū":"U","Ṻ":"U","Ų":"U","Ů":"U","Ũ":"U","Ṹ":"U","Ṵ":"U","Ꝟ":"V","Ṿ":"V","Ʋ":"V","Ṽ":"V","Ꝡ":"VY","Ẃ":"W","Ŵ":"W","Ẅ":"W","Ẇ":"W","Ẉ":"W","Ẁ":"W","Ⱳ":"W","Ẍ":"X","Ẋ":"X","Ý":"Y","Ŷ":"Y","Ÿ":"Y","Ẏ":"Y","Ỵ":"Y","Ỳ":"Y","Ƴ":"Y","Ỷ":"Y","Ỿ":"Y","Ȳ":"Y","Ɏ":"Y","Ỹ":"Y","Ź":"Z","Ž":"Z","Ẑ":"Z","Ⱬ":"Z","Ż":"Z","Ẓ":"Z","Ȥ":"Z","Ẕ":"Z","Ƶ":"Z","Ĳ":"IJ","Œ":"OE","ᴀ":"A","ᴁ":"AE","ʙ":"B","ᴃ":"B","ᴄ":"C","ᴅ":"D","ᴇ":"E","ꜰ":"F","ɢ":"G","ʛ":"G","ʜ":"H","ɪ":"I","ʁ":"R","ᴊ":"J","ᴋ":"K","ʟ":"L","ᴌ":"L","ᴍ":"M","ɴ":"N","ᴏ":"O","ɶ":"OE","ᴐ":"O","ᴕ":"OU","ᴘ":"P","ʀ":"R","ᴎ":"N","ᴙ":"R","ꜱ":"S","ᴛ":"T","ⱻ":"E","ᴚ":"R","ᴜ":"U","ᴠ":"V","ᴡ":"W","ʏ":"Y","ᴢ":"Z","á":"a","ă":"a","ắ":"a","ặ":"a","ằ":"a","ẳ":"a","ẵ":"a","ǎ":"a","â":"a","ấ":"a","ậ":"a","ầ":"a","ẩ":"a","ẫ":"a","ä":"a","ǟ":"a","ȧ":"a","ǡ":"a","ạ":"a","ȁ":"a","à":"a","ả":"a","ȃ":"a","ā":"a","ą":"a","ᶏ":"a","ẚ":"a","å":"a","ǻ":"a","ḁ":"a","ⱥ":"a","ã":"a","ꜳ":"aa","æ":"ae","ǽ":"ae","ǣ":"ae","ꜵ":"ao","ꜷ":"au","ꜹ":"av","ꜻ":"av","ꜽ":"ay","ḃ":"b","ḅ":"b","ɓ":"b","ḇ":"b","ᵬ":"b","ᶀ":"b","ƀ":"b","ƃ":"b","ɵ":"o","ć":"c","č":"c","ç":"c","ḉ":"c","ĉ":"c","ɕ":"c","ċ":"c","ƈ":"c","ȼ":"c","ď":"d","ḑ":"d","ḓ":"d","ȡ":"d","ḋ":"d","ḍ":"d","ɗ":"d","ᶑ":"d","ḏ":"d","ᵭ":"d","ᶁ":"d","đ":"d","ɖ":"d","ƌ":"d","ı":"i","ȷ":"j","ɟ":"j","ʄ":"j","ǳ":"dz","ǆ":"dz","é":"e","ĕ":"e","ě":"e","ȩ":"e","ḝ":"e","ê":"e","ế":"e","ệ":"e","ề":"e","ể":"e","ễ":"e","ḙ":"e","ë":"e","ė":"e","ẹ":"e","ȅ":"e","è":"e","ẻ":"e","ȇ":"e","ē":"e","ḗ":"e","ḕ":"e","ⱸ":"e","ę":"e","ᶒ":"e","ɇ":"e","ẽ":"e","ḛ":"e","ꝫ":"et","ḟ":"f","ƒ":"f","ᵮ":"f","ᶂ":"f","ǵ":"g","ğ":"g","ǧ":"g","ģ":"g","ĝ":"g","ġ":"g","ɠ":"g","ḡ":"g","ᶃ":"g","ǥ":"g","ḫ":"h","ȟ":"h","ḩ":"h","ĥ":"h","ⱨ":"h","ḧ":"h","ḣ":"h","ḥ":"h","ɦ":"h","ẖ":"h","ħ":"h","ƕ":"hv","í":"i","ĭ":"i","ǐ":"i","î":"i","ï":"i","ḯ":"i","ị":"i","ȉ":"i","ì":"i","ỉ":"i","ȋ":"i","ī":"i","į":"i","ᶖ":"i","ɨ":"i","ĩ":"i","ḭ":"i","ꝺ":"d","ꝼ":"f","ᵹ":"g","ꞃ":"r","ꞅ":"s","ꞇ":"t","ꝭ":"is","ǰ":"j","ĵ":"j","ʝ":"j","ɉ":"j","ḱ":"k","ǩ":"k","ķ":"k","ⱪ":"k","ꝃ":"k","ḳ":"k","ƙ":"k","ḵ":"k","ᶄ":"k","ꝁ":"k","ꝅ":"k","ĺ":"l","ƚ":"l","ɬ":"l","ľ":"l","ļ":"l","ḽ":"l","ȴ":"l","ḷ":"l","ḹ":"l","ⱡ":"l","ꝉ":"l","ḻ":"l","ŀ":"l","ɫ":"l","ᶅ":"l","ɭ":"l","ł":"l","ǉ":"lj","ſ":"s","ẜ":"s","ẛ":"s","ẝ":"s","ḿ":"m","ṁ":"m","ṃ":"m","ɱ":"m","ᵯ":"m","ᶆ":"m","ń":"n","ň":"n","ņ":"n","ṋ":"n","ȵ":"n","ṅ":"n","ṇ":"n","ǹ":"n","ɲ":"n","ṉ":"n","ƞ":"n","ᵰ":"n","ᶇ":"n","ɳ":"n","ñ":"n","ǌ":"nj","ó":"o","ŏ":"o","ǒ":"o","ô":"o","ố":"o","ộ":"o","ồ":"o","ổ":"o","ỗ":"o","ö":"o","ȫ":"o","ȯ":"o","ȱ":"o","ọ":"o","ő":"o","ȍ":"o","ò":"o","ỏ":"o","ơ":"o","ớ":"o","ợ":"o","ờ":"o","ở":"o","ỡ":"o","ȏ":"o","ꝋ":"o","ꝍ":"o","ⱺ":"o","ō":"o","ṓ":"o","ṑ":"o","ǫ":"o","ǭ":"o","ø":"o","ǿ":"o","õ":"o","ṍ":"o","ṏ":"o","ȭ":"o","ƣ":"oi","ꝏ":"oo","ɛ":"e","ᶓ":"e","ɔ":"o","ᶗ":"o","ȣ":"ou","ṕ":"p","ṗ":"p","ꝓ":"p","ƥ":"p","ᵱ":"p","ᶈ":"p","ꝕ":"p","ᵽ":"p","ꝑ":"p","ꝙ":"q","ʠ":"q","ɋ":"q","ꝗ":"q","ŕ":"r","ř":"r","ŗ":"r","ṙ":"r","ṛ":"r","ṝ":"r","ȑ":"r","ɾ":"r","ᵳ":"r","ȓ":"r","ṟ":"r","ɼ":"r","ᵲ":"r","ᶉ":"r","ɍ":"r","ɽ":"r","ↄ":"c","ꜿ":"c","ɘ":"e","ɿ":"r","ś":"s","ṥ":"s","š":"s","ṧ":"s","ş":"s","ŝ":"s","ș":"s","ṡ":"s","ṣ":"s","ṩ":"s","ʂ":"s","ᵴ":"s","ᶊ":"s","ȿ":"s","ɡ":"g","ᴑ":"o","ᴓ":"o","ᴝ":"u","ť":"t","ţ":"t","ṱ":"t","ț":"t","ȶ":"t","ẗ":"t","ⱦ":"t","ṫ":"t","ṭ":"t","ƭ":"t","ṯ":"t","ᵵ":"t","ƫ":"t","ʈ":"t","ŧ":"t","ᵺ":"th","ɐ":"a","ᴂ":"ae","ǝ":"e","ᵷ":"g","ɥ":"h","ʮ":"h","ʯ":"h","ᴉ":"i","ʞ":"k","ꞁ":"l","ɯ":"m","ɰ":"m","ᴔ":"oe","ɹ":"r","ɻ":"r","ɺ":"r","ⱹ":"r","ʇ":"t","ʌ":"v","ʍ":"w","ʎ":"y","ꜩ":"tz","ú":"u","ŭ":"u","ǔ":"u","û":"u","ṷ":"u","ü":"u","ǘ":"u","ǚ":"u","ǜ":"u","ǖ":"u","ṳ":"u","ụ":"u","ű":"u","ȕ":"u","ù":"u","ủ":"u","ư":"u","ứ":"u","ự":"u","ừ":"u","ử":"u","ữ":"u","ȗ":"u","ū":"u","ṻ":"u","ų":"u","ᶙ":"u","ů":"u","ũ":"u","ṹ":"u","ṵ":"u","ᵫ":"ue","ꝸ":"um","ⱴ":"v","ꝟ":"v","ṿ":"v","ʋ":"v","ᶌ":"v","ⱱ":"v","ṽ":"v","ꝡ":"vy","ẃ":"w","ŵ":"w","ẅ":"w","ẇ":"w","ẉ":"w","ẁ":"w","ⱳ":"w","ẘ":"w","ẍ":"x","ẋ":"x","ᶍ":"x","ý":"y","ŷ":"y","ÿ":"y","ẏ":"y","ỵ":"y","ỳ":"y","ƴ":"y","ỷ":"y","ỿ":"y","ȳ":"y","ẙ":"y","ɏ":"y","ỹ":"y","ź":"z","ž":"z","ẑ":"z","ʑ":"z","ⱬ":"z","ż":"z","ẓ":"z","ȥ":"z","ẕ":"z","ᵶ":"z","ᶎ":"z","ʐ":"z","ƶ":"z","ɀ":"z","ﬀ":"ff","ﬃ":"ffi","ﬄ":"ffl","ﬁ":"fi","ﬂ":"fl","ĳ":"ij","œ":"oe","ﬆ":"st","ₐ":"a","ₑ":"e","ᵢ":"i","ⱼ":"j","ₒ":"o","ᵣ":"r","ᵤ":"u","ᵥ":"v","ₓ":"x"}";
var Latinise={};Latinise.latin_map=JSON.parse(decodeURIComponent(escape(atob(base64map))));

window.scroll({top: 0, behavior: "smooth"})

Just use this piece of code and it will work perfectly, You can wrap it into a method or event.

http://css3please.com/

Scroll down to '.box_rotate' for the Microsoft IE9+ prefix. Similar discussion here: Rotating a Div Element in jQuery

First off, this actually is being raised in the next version to 8MB or 16MB ... but I think to put this into perspective, Eliot from 10gen (who developed MongoDB) puts it best:

EDIT: The size has been officially 'raised' to 16MB

So, on your blog example, 4MB is actually a whole lot.. For example, the full uncompresses text of "War of the Worlds" is only 364k (html): http://www.gutenberg.org/etext/36

If your blog post is that long with that many comments, I for one am not going to read it :)

For trackbacks, if you dedicated 1MB to them, you could easily have more than 10k (probably closer to 20k)

So except for truly bizarre situations, it'll work great. And in the exception case or spam, I really don't think you'd want a 20mb object anyway. I think capping trackbacks as 15k or so makes a lot of sense no matter what for performance. Or at least special casing if it ever happens.

-Eliot

I think you'd be pretty hard pressed to reach the limit ... and over time, if you upgrade ... you'll have to worry less and less.

The main point of the limit is so you don't use up all the RAM on your server (as you need to load all MBs of the document into RAM when you query it.)

So the limit is some % of normal usable RAM on a common system ... which will keep growing year on year.

Note on Storing Files in MongoDB

If you need to store documents (or files) larger than 16MB you can use the GridFS API which will automatically break up the data into segments and stream them back to you (thus avoiding the issue with size limits/RAM.)

Instead of storing a file in a single document, GridFS divides the file into parts, or chunks, and stores each chunk as a separate document.

GridFS uses two collections to store files. One collection stores the file chunks, and the other stores file metadata.

You can use this method to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.

Found a solution to Excel Mac2016 as having to paste the code into the relevant cell, enter, then go to the end of the formula within the header bar and enter the following:

Enter a formula as an array formula Image + SHIFT + RETURN or CONTROL + SHIFT + RETURN

If you wish to use "like" as a parameter your link needs to be:

<a href="/topic.php?like=like">Like</a>

More likely though is that you want:

<a href="/topic.php?id=14&like=like">Like</a>

The Answer already posted .But We can use the jquery in this way also

demo

$(function(){
    $('#check1').click(function() {
        if($('#check1').attr('checked'))
            alert('checked');
        else
            alert('unchecked');
    });

    $('#check2').click(function() {
        if(!$('#check2').attr('checked'))
            alert('unchecked');
        else
            alert('checked');
    });
});

Its pretty straight forward to do it with only shell

while read A B C; do
echo "$C"
done < oldfile >newfile

React + TypeScript inline util method:

const navigateToExternalUrl = (url: string, shouldOpenNewTab: boolean = true) =>
shouldOpenNewTab ? window.open(url, "_blank") : window.location.href = url;

I did this way:

Add this method to check whether email address is valid or not:

private boolean isValidEmailId(String email){

    return Pattern.compile("^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@"
              + "((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
              + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\."
              + "([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?"
              + "[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|"
              + "([a-zA-Z]+[\\w-]+\\.)+[a-zA-Z]{2,4})$").matcher(email).matches();
     }

Now check with String of EditText:

if(isValidEmailId(edtEmailId.getText().toString().trim())){
  Toast.makeText(getApplicationContext(), "Valid Email Address.", Toast.LENGTH_SHORT).show();
}else{       
  Toast.makeText(getApplicationContext(), "InValid Email Address.", Toast.LENGTH_SHORT).show();
}

Done

Both --assume-unchanged and --skip-worktree are NOT A CORRECT WAY to ignore files locally... Kindly check this answer and the notes in the documentation of git update-index. Files that for any reason keep changing frequently (and/or change from a clone to another) and their changes should not be committed, then these files SHOULD NOT be tracked in the first place.

However, the are two proper ways to ignore files locally (both work with untracked files). Either to put files names in .git/info/exclude file which is the local alternative of .gitignore but specific to the current clone. Or to use a global .gitignore (which should be properly used only for common auxiliary files e.g. pyz, pycache, etc) and the file will be ignored in any git repo in your machine.

To make the above as kind of automated (adding to exclude or global .gitignore), you can use the following commands (add to your bash-profile):

• Per clone local exclude (Note that you should be in the root of the repository when calling the command because of using the relative path), change ##FILE-NAME## to .git/info/exclude
• Global .gitignore, first make global .gitignore here then change ##FILE-NAME## to ~/.gitignore

Linux

alias git-ignore='echo $1 >> ##FILE-NAME##'
alias git-show-ignored='cat ##FILE-NAME##'
git-unignore(){
  GITFILETOUNIGNORE=${1//\//\\\/}
  sed -i "/$GITFILETOUNIGNORE/d" ##FILE-NAME##
  unset GITFILETOUNIGNORE
}

MacOS (you need the .bak for sed inplace modifications (i.e. you are forced to add a file extension to inplace sed. i.e. make a backup before replacing something), therefore to delete the .bak file I added rm filename.bak)

alias git-ignore='echo $1 >> ##FILE-NAME##'
alias git-show-ignored='cat ##FILE-NAME##'
git-unignore(){
  GITFILETOUNIGNORE=${1//\//\\\/}
  sed -i.bak "/$GITFILETOUNIGNORE/d" ##FILE-NAME##
  rm ##FILE-NAME##.bak
  unset GITFILETOUNIGNORE
}

Then you can do:

git-ignore example_file.txt
git-unignore example_file.txt

How about

wc -l file.txt | cut -d' ' -f1

i.e. pipe the output of wc into cut (where delimiters are spaces and pick just the first field)

I used AutoIt to do it.

using AutoIt;
AutoItX.MouseClick("LEFT",150,150,1,0);//1: click once, 0: Move instantaneous

1. Pro:
   • simple
   • regardless of mouse movement
2. Con:
   • since coordinate is screen-based, there should be some caution if the app scales.
   • the drive won't know when the app finish with clicking consequence actions. There should be a waiting period.

Just change moveCamera to animateCamera like below

Googlemap.animateCamera(CameraUpdateFactory.newLatLngZoom(locate, 16F))

If you have a String, you can do that:

String s = "test";
try {
    s.getBytes("UTF-8");
} catch(UnsupportedEncodingException uee) {
    uee.printStackTrace();
}

If you have a 'broken' String, you did something wrong, converting a String to a String in another encoding is defenetely not the way to go! You can convert a String to a byte[] and vice-versa (given an encoding). In Java Strings are AFAIK encoded with UTF-16 but that's an implementation detail.

Say you have a InputStream, you can read in a byte[] and then convert that to a String using

byte[] bs = ...;
String s;
try {
    s = new String(bs, encoding);
} catch(UnsupportedEncodingException uee) {
    uee.printStackTrace();
}

or even better (thanks to erickson) use InputStreamReader like that:

InputStreamReader isr;
try {
     isr = new InputStreamReader(inputStream, encoding);
} catch(UnsupportedEncodingException uee) {
    uee.printStackTrace();
}

You could either explicitly name the columns you want to keep, like so:

keep = [a.id, a.julian_date, a.user_id, b.quan_created_money, b.quan_created_cnt]

Or in a more general approach you'd include all columns except for a specific one via a list comprehension. For example like this (excluding the id column from b):

keep = [a[c] for c in a.columns] + [b[c] for c in b.columns if c != 'id']

Finally you make a selection on your join result:

d = a.join(b, a.id==b.id, 'outer').select(*keep)

How would you expect recode to know that a file is Windows-1252? In theory, I believe any file is a valid Windows-1252 file, as it maps every possible byte to a character.

Now there are certainly characteristics which would strongly suggest that it's UTF-8 - if it starts with the UTF-8 BOM, for example - but they wouldn't be definitive.

One option would be to detect whether it's actually a completely valid UTF-8 file first, I suppose... again, that would only be suggestive.

I'm not familiar with the recode tool itself, but you might want to see whether it's capable of recoding a file from and to the same encoding - if you do this with an invalid file (i.e. one which contains invalid UTF-8 byte sequences) it may well convert the invalid sequences into question marks or something similar. At that point you could detect that a file is valid UTF-8 by recoding it to UTF-8 and seeing whether the input and output are identical.

Alternatively, do this programmatically rather than using the recode utility - it would be quite straightforward in C#, for example.

Just to reiterate though: all of this is heuristic. If you really don't know the encoding of a file, nothing is going to tell you it with 100% accuracy.

Basically, you're not allowed to request JSON data from another domain via AJAX due to same-origin policy. AJAX allows you to fetch data after a page has already loaded, and then execute some code/call a function once it returns. We can't use AJAX but we are allowed to inject <script> tags into our own page and those are allowed to reference scripts hosted at other domains.

Usually you would use this to include libraries from a CDN such as jQuery. However, we can abuse this and use it to fetch data instead! JSON is already valid JavaScript (for the most part), but we can't just return JSON in our script file, because we have no way of knowing when the script/data has finished loading and we have no way of accessing it unless it's assigned to a variable or passed to a function. So what we do instead is tell the web service to call a function on our behalf when it's ready.

For example, we might request some data from a stock exchange API, and along with our usual API parameters, we give it a callback, like ?callback=callThisWhenReady. The web service then wraps the data with our function and returns it like this: callThisWhenReady({...data...}). Now as soon as the script loads, your browser will try to execute it (as normal), which in turns calls our arbitrary function and feeds us the data we wanted.

It works much like a normal AJAX request except instead of calling an anonymous function, we have to use named functions.

jQuery actually supports this seamlessly for you by creating a uniquely named function for you and passing that off, which will then in turn run the code you wanted.

I just wanted to include a link to a resolution to an issue I was having with VS2008 and TFS08.

I accidently opened my solution without being connected to my network and was not able to get it "back the way it was" and had to rebind every time I openned.

I found the solution here; http://www.fkollmann.de/v2/post/Visual-Studio-2008-refuses-to-bind-to-TFS-or-to-open-solution-source-controlled.aspx

Basically, you need to open the "Connect to Team Foundation Server" and then "Servers..." once there, Delete/Remove your server and re-add it. This fixed my issue.

This works even if the objects are different. you could customize the methods in the utilities class maybe you want to compare private properties as well...

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class ObjectA
{
    public string PropertyA { get; set; }
    public string PropertyB { get; set; }
    public string PropertyC { get; set; }
    public DateTime PropertyD { get; set; }

    public string FieldA;
    public DateTime FieldB;
}

class ObjectB
{
    public string PropertyA { get; set; }
    public string PropertyB { get; set; }
    public string PropertyC { get; set; }
    public DateTime PropertyD { get; set; }


    public string FieldA;
    public DateTime FieldB;


}

class Program
{
    static void Main(string[] args)
    {
        // create two objects with same properties
        ObjectA a = new ObjectA() { PropertyA = "test", PropertyB = "test2", PropertyC = "test3" };
        ObjectB b = new ObjectB() { PropertyA = "test", PropertyB = "test2", PropertyC = "test3" };

        // add fields to those objects
        a.FieldA = "hello";
        b.FieldA = "Something differnt";

        if (a.ComparePropertiesTo(b))
        {
            Console.WriteLine("objects have the same properties");
        }
        else
        {
            Console.WriteLine("objects have diferent properties!");
        }


        if (a.CompareFieldsTo(b))
        {
            Console.WriteLine("objects have the same Fields");
        }
        else
        {
            Console.WriteLine("objects have diferent Fields!");
        }

        Console.Read();
    }
}

public static class Utilities
{
    public static bool ComparePropertiesTo(this Object a, Object b)
    {
        System.Reflection.PropertyInfo[] properties = a.GetType().GetProperties(); // get all the properties of object a

        foreach (var property in properties)
        {
            var propertyName = property.Name;

            var aValue = a.GetType().GetProperty(propertyName).GetValue(a, null);
            object bValue;

            try // try to get the same property from object b. maybe that property does
                // not exist! 
            {
                bValue = b.GetType().GetProperty(propertyName).GetValue(b, null);
            }
            catch
            {
                return false;
            }

            if (aValue == null && bValue == null)
                continue;

            if (aValue == null && bValue != null)
                return false;

            if (aValue != null && bValue == null)
               return false;

            // if properties do not match return false
            if (aValue.GetHashCode() != bValue.GetHashCode())
            {
                return false;
            }
        }

        return true;
    }



    public static bool CompareFieldsTo(this Object a, Object b)
    {
        System.Reflection.FieldInfo[] fields = a.GetType().GetFields(); // get all the properties of object a

        foreach (var field in fields)
        {
            var fieldName = field.Name;

            var aValue = a.GetType().GetField(fieldName).GetValue(a);

            object bValue;

            try // try to get the same property from object b. maybe that property does
            // not exist! 
            {
                bValue = b.GetType().GetField(fieldName).GetValue(b);
            }
            catch
            {
                return false;
            }

            if (aValue == null && bValue == null)
               continue;

            if (aValue == null && bValue != null)
               return false;

            if (aValue != null && bValue == null)
               return false;


            // if properties do not match return false
            if (aValue.GetHashCode() != bValue.GetHashCode())
            {
                return false;
            }
        }

        return true;
    }


}

Go to Files->Options->Formulas-> Calculation Options / Set Workbook calculation to Automatic

You can use ngStyle to set background for a div

<div [ngStyle]="{background-image: 'url(./images/' + trls.img + ')'}"></div>

or you can also use built in background style:

<div [style.background-image]="'url(/images/' + trls.img + ')'"></div>

That's what solved this problem for me.

I used:

npm install --save @angular/material @angular/cdk
npm install --save @angular/animations

but INSIDE THE APPLICATION'S FOLDER.

Source: https://medium.com/@ismapro/first-steps-with-angular-cli-and-angular-material-5a90406e9a4

Try closing and reopening the file, then press Ctrl+F11.

Verify that the name of the file you are running is the same as the name of the project you are working in, and that the name of the public class in that file is the same as the name of the project you are working in as well.

Otherwise, restart Eclipse. Let me know if this solves the problem! Otherwise, comment, and I'll try and help.