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Difference between array_map, array_walk and array_filter
...onal array. Every element's value changes in place into a more informative string specifying its key, category and value.
<?php
$f = function(&$item,$key,$prefix) {
$item = "$key: $prefix: $item";
};
array_walk($nu, $f,"fruit");
var_dump($nu);
?>
See demo
Note: the callba...
Displaying better error message than “No JSON object could be decoded”
...ean values: it appears that rson reads incorrectly capitalized booleans as strings.
>>> rson.loads('[true,False]')
[True, u'False']
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When should I use Inline vs. External Javascript?
...d as <static> and <dynamic>. The static portion is basically a string constant which you shove down the response pipe as fast as you possibly can. This can be a little tricky if you use a lot of middleware that sets cookies (these need to be set before sending http content), but in princ...
What's the difference between using “let” and “var”?
...e initialization is processed." That means that the 'identifier' (the text-string 'reserved' to point to 'something') is already reserved in the relevant scope, otherwise it would become part of the root/host/window scope. To me personally, 'hoisting' means nothing more than reserving/linking declar...
How can I create and style a div using JavaScript?
...work, I notice you asked for a div with content. So here's my version with extra content. JSFiddle link at the bottom.
JavaScript (with comments):
// Creating a div element
var divElement = document.createElement("Div");
divElement.id = "divID";
// Styling it
divElement.style.textAlign = "center"...
How can I pass a parameter to a Java Thread?
...f a Runnable or Thread class
class MyThread extends Thread {
private String to;
public MyThread(String to) {
this.to = to;
}
@Override
public void run() {
System.out.println("hello " + to);
}
}
public static void main(String[] args) {
new MyThread("wo...
How to programmatically determine the current checked out Git branch [duplicate]
...
A challenge for all bash string artists out there: surely there must be a nice way of doing this in less than three variable assignments? :-D
– conny
Jun 23 '10 at 16:32
...
How to return 2 values from a Java method?
... 2;
return new MyResult(number1, number2);
}
public static void main(String[] args) {
MyResult result = something();
System.out.println(result.getFirst() + result.getSecond());
}
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Centering a view in its superview using Visual Format Language
...g only VFL. It is, however, not that difficult to do it using a single VFL string and a single extra constraint (per axis):
VFL: "|-(>=20)-[view]-(>=20)-|"
[NSLayoutConstraint constraintWithItem:view
attribute:NSLayoutAttributeCenterX
...
Setting environment variables for accessing in PHP when using Apache
...
in xampp on windows the file will be C:\xampp\apache\conf\extra\httpd-vhosts.conf
– Dung
Apr 3 '17 at 19:09
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