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How to initialize a List to a given size (as opposed to capacity)?
...ldn't an associative array be more fitting?
Dictionary<int, string> foo = new Dictionary<int, string>();
foo[2] = "string";
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What is the easiest way to push an element to the beginning of the array?
...
array = ["foo"]
array.unshift "bar"
array
=> ["bar", "foo"]
be warned, it's destructive!
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JavaScript variables declare outside or inside loop?
....
That is also known as lexical scope.
If you declare something like
var foo = function(){
for(var i = 0; i < 10; i++){
}
};
This gets hoisted to:
var foo = function(){
var i;
for(i = 0; i < 10; i++){
}
}
So it does not make any difference in performance (But correct...
erb, haml or slim: which one do you suggest? And why? [closed]
...aner syntax, and allows you to write HTML attributes more cleanly: a href="foo".
– Mohamad
Nov 20 '13 at 14:17
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How do I forward parameters to other command in bash script?
... quoting them as "$1", then the shell will perform word splitting, so e.g. foo bar will be forwarded as foo and bar separately.
– Tamás Zahola
Jul 17 '18 at 17:54
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Are unused CSS images downloaded?
...ext/css">
.nonexistent {
background: url('index.php?foo');
}
</style>
</head>
<body>
<?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If test.t...
How do I get an object's unqualified (short) class name?
...0535163879 s ClassA
Explode: 2.6507515668869 s ClassA
Code
namespace foo\bar\baz;
class ClassA{
public function getClassExplode(){
return explode('\\', static::class)[0];
}
public function getClassReflection(){
return (new \ReflectionClass($this))->getShortName...
Static Initialization Blocks
...h it from a field? For example, how would you want to write:
public class Foo {
private static final int widgets;
static {
int first = Widgets.getFirstCount();
int second = Widgets.getSecondCount();
// Imagine more complex logic here which really used first/second
...
Why shouldn't Java enum literals be able to have generic type parameters?
...ugh things seem constant, they aren't. Consider public final static String FOO; with a static block static { FOO = "bar"; } - also constants are evaluated even when known at compile time.
– Martin Algesten
Nov 27 '10 at 9:47
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How can I change an element's text without changing its child elements?
...
For the specific case you mentioned:
<div id="foo">
**text to change**
<someChild>
text that should not change
</someChild>
<someChild>
text that should not change
</someChild>
</div>
... this is very easy:
...