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Try-finally block prevents StackOverflowError
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332
It doesn't run forever. Each stack overflow causes the code to move to the finally block. The pr...
Creating NSData from NSString in Swift
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In Swift 3
let data = string.data(using: .utf8)
In Swift 2 (or if you already have a NSString instance)
let data = string.dataUsingEncoding(NSUTF8StringEncoding)
In Swift 1 (or if you have a swift String):
let data = (string as NSString).dataUsingEncoding(NSUTF8StringEncoding...
How can I use grep to find a word inside a folder?
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edited May 13 '16 at 20:30
SeldomNeedy
7121010 silver badges1919 bronze badges
answered Dec 17 '12 ...
What's the safest way to iterate through the keys of a Perl hash?
...eys with doubled values works fine using keys():
%h = (a => 1, b => 2);
foreach my $k (keys %h)
{
$h{uc $k} = $h{$k} * 2;
}
producing the expected resulting hash:
(a => 1, A => 2, b => 2, B => 4)
But using each() to do the same thing:
%h = (a => 1, b => 2);
keys %h...
Code coverage for Jest
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When using Jest 21.2.1, I can see code coverage at the command line and create a coverage directory by passing --coverage to the Jest script. Below are some examples:
I tend to install Jest locally, in which case the command might look like...
In java how to get substring from a string till a character c?
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edited May 28 '13 at 17:40
Anirudha
30.2k66 gold badges5858 silver badges7878 bronze badges
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How to write a CSS hack for IE 11? [duplicate]
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When a user agent cannot parse the selector (i.e., it is not valid CSS 2.1), it must ignore the selector and the following declaration block (if any) as well.
<!doctype html>
<html>
<head>
<title>IE10/11 Media Query Test</title>
<meta charset="utf...
Copying PostgreSQL database to another server
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