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What does “=>” mean in PHP?
...the context of that foreach loop, it assigns the key of the array to $user and the value to $pass.
Example:
$user_list = array(
'dave' => 'apassword',
'steve' => 'secr3t'
);
foreach ($user_list as $user => $pass) {
echo "{$user}'s pass is: {$pass}\n";
}
// Prints:
// "dave's...
YAML current date in rmarkdown
...e in the YAML front-matter of a .rmd document to be processed by knitr and the rmarkdown package. I used to have the following line at the top of my wiki pages,
...
How Many Seconds Between Two Dates?
So I have two dates YYYY-MM-DD and ZZZZ-NN-EE
9 Answers
9
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Print content of JavaScript object? [duplicate]
...re a cross-browser way of doing something similar?
– Anderson Green
Oct 2 '12 at 1:30
62
In recen...
CSS: background image on background color
...d-image: url('images/checked.png');
Or, you can use the background shorthand and specify it all in one line:
background: url('images/checked.png'), #6DB3F2;
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improve this answer
...
Get yesterday's date in bash on Linux, DST-safe
I have a shell script that runs on Linux and uses this call to get yesterday's date in YYYY-MM-DD format:
10 Answers
...
Implement C# Generic Timeout
...CallWithTimeout. This will cancel the long running thread by aborting it, and swallowing the ThreadAbortException:
Usage:
class Program
{
static void Main(string[] args)
{
//try the five second method with a 6 second timeout
CallWithTimeout(FiveSecondMethod, 6000);
...
Objective-C and Swift URL encoding
...cape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
NSLog(@"escapedString: %@", escapedString...
Remove all elements contained in another array
... @AlecRust Convert all elements of toRemove() to upper case and change in the callback from el to el.toUpperCase().
– Sirko
Jun 17 '17 at 17:25
...
How do I perform a Perl substitution on a string while keeping the original?
...a good way to perform a replacement on a string using a regular expression and store the value in a different variable, without changing the original?
...
