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Create singleton using GCD's dispatch_once in Objective-C
... @hooleyhoop Yes, in its documentation. "If called simultaneously from multiple threads, this function waits synchronously until the block has completed."
– Kevin
Aug 17 '13 at 22:31
...
Convert JavaScript String to be all lower case?
...get "Die Strasse" as the title case. Correct would be "Die Straße". Apart from that, prototype pollution is nowadays frowned upon.
– ComFreek
Apr 18 at 13:40
...
if else statement in AngularJS templates
I want to do a condition in an AngularJS template. I fetch a video list from the Youtube API. Some of the videos are in 16:9 ratio and some are in 4:3 ratio.
...
Creating the Singleton design pattern in PHP5
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From @ggsonic: "subclass should own its own static var. check this: echo get_class(Foobar::getInstance());echo get_class(Singleton::getInstance());".
– Brock Adams
Dec 1 '11 at 5:39
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Junit - run set up method once
...have said to AlexR, his solution requires all the test classes to subclass from a CommonTest class if it is only to run once. But it is simple as simple can be, and IMHO you probably shouldn't use a "fancy" framework-supplied solution when a simple mechanism is available from the language. Unless ...
How to include *.so library in Android Studio?
...estinationDir file("$buildDir/native-libs")
baseName 'native-libs'
from fileTree(dir: 'libs', include: '**/*.so')
into 'lib/'
}
tasks.withType(JavaCompile) {
compileTask -> compileTask.dependsOn(nativeLibsToJar)
}
Same answer can also be found in related question: Include .so l...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
...252 for some reason. Be advised that ISO-8859-1 is missing some characters from WINDOWS-1252 as shown here:
| Char | ANSI | Unicode | ANSI Hex | Unicode Hex | HTML entity | Unicode Name | Unicode Range |
| € | 128 | 8364 | 0x80 | U+20AC | &...
Check whether an array is a subset of another
...
Lets take the example from your comment t2={1,2,3,4,5,6,7,8} t1={2,4,6,8} t2.Except(t1) => first element of t2 = 1 => difference of 1 to t1 is 1 (checked against {2,4,6,8}) => Except() emits first element 1 => Any() gets an element =&g...
Difference between \b and \B in regex
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The confusion stems from your thinking \b matches spaces (probably because "b" suggests "blank").
\b matches the empty string at the beginning or end of a word. \B matches the empty string not at the beginning or end of a word. The key here i...
Calculating text width
...t.
Demo: http://jsfiddle.net/philfreo/MqM76/
// Calculate width of text from DOM element or string. By Phil Freo <http://philfreo.com>
$.fn.textWidth = function(text, font) {
if (!$.fn.textWidth.fakeEl) $.fn.textWidth.fakeEl = $('<span>').hide().appendTo(document.body);
$.fn.t...