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Loop through an array in JavaScript
... //Do something
}
Pros
Works on every environment
You can use break and continue flow control statements
Cons
Too verbose
Imperative
Easy to have off-by-one errors (sometimes also called a fence post error)
2. Array.prototype.forEach
The ES5 specification introduced a lot of beneficial arr...
Can you have multiline HTML5 placeholder text in a ?
...present this hint to the user when the element's value is the empty string and the control is not focused (e.g. by displaying it inside a blank unfocused control). All U+000D CARRIAGE RETURN U+000A LINE FEED character pairs (CRLF) in the hint, as well as all other U+000D CARRIAGE RETURN (CR) and U+0...
Capturing multiple line output into a Bash variable
...y as it is represented in the variable — newlines, tabs, multiple blanks and all — whereas (2) the unquoted version (echo $RESULT) replaces each sequence of one or more blanks, tabs and newlines with a single space. Thus (1) preserves the shape of the input variable, whereas (2) creates a potent...
How do you append to an already existing string?
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How do you get the Git repository's name in some Git repository?
... get the Git repository name in some Git repository? Are there any Git commands?
17 Answers
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How to get distinct values from an array of objects in JavaScript?
...
If this were PHP I'd build an array with the keys and take array_keys at the end, but JS has no such luxury. Instead, try this:
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
flags[array[i].age] = true;
...
Moving decimal places over in a double
...Decimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1234;
x /= 100;
System.out.println(x);
which prints:
12.34
This works because Doub...
Render Partial View Using jQuery in ASP.NET MVC
... however, call a method (action) that will render the partial view for you and add it to the page using jQuery/AJAX. In the below, we have a button click handler that loads the url for the action from a data attribute on the button and fires off a GET request to replace the DIV contained in the par...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...y having a #! at the start of the first line, followed by the interpreter (and any flags it may need).
If you're talking about other platforms, of course, this rule does not apply (but that "shebang line" does no harm, and will help if you ever copy that script to a platform with a Unix base, such ...
C++ template typedef
...
Oh great, I hadn't seen this part of C++0x and I've been bitching about templated typedef for a while... guess I should have a more thorough read of the final draft.
– Matthieu M.
May 9 '10 at 11:19
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