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Check for internet connection availability in Swift
Is there a way to check if the internet connection is available using Swift?
10 Answers
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How to use background thread in swift?
...e.main.async {
print("This is run on the main queue, after the previous code in outer block")
}
}
Swift 1.2 through 2.3
let qualityOfServiceClass = QOS_CLASS_BACKGROUND
let backgroundQueue = dispatch_get_global_queue(qualityOfServiceClass, 0)
dispatch_async(backgroundQueue, {
prin...
Numpy: Get random set of rows from 2D array
...cement. Once the edit is peer-reviewed, you'll see the added replace=False param to choice.
– 0x24a537r9
Oct 17 '16 at 7:06
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java.lang.IllegalStateException: The specified child already has a parent
...e no idea why but using the override that accepts the boolean as the third param fixed it. I think it tells the Fragment and/or Activity not to use the "container" as the parent of the newly-created View.
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Split a string by another string in C#
...Is there a way to split a string , with another string being the split by parameter?
10 Answers
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Convert a Unix timestamp to time in JavaScript
...nds as hh:mm:ss:
/**
* Convert seconds to time string (hh:mm:ss).
*
* @param Number s
*
* @return String
*/
function time(s) {
return new Date(s * 1e3).toISOString().slice(-13, -5);
}
console.log( time(12345) ); // "03:25:45"
Method Date.prototype.toISOString() returns time in
si...
Re-sign IPA (iPhone)
I currently build all my applications with hudson using xcodebuild followed by a xcrun without any problems
11 Answers
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How to execute shell command in Javascript
...'child_process';
/**
* Execute simple shell command (async wrapper).
* @param {String} cmd
* @return {Object} { stdout: String, stderr: String }
*/
async function sh(cmd) {
return new Promise(function (resolve, reject) {
exec(cmd, (err, stdout, stderr) => {
if (err) {
rej...
Does Typescript support the ?. operator? (And, what's it called?)
Does Typescript currently (or are there plans to) support the safe navigation operator of ?.
14 Answers
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Return positions of a regex match() in Javascript?
... _word, _case_sensitive, _whole_words, _multiline )
{
/*besides '_word' param, others are flags (0|1)*/
var _match_pattern = "g"+(_case_sensitive?"i":"")+(_multiline?"m":"") ;
var _bound = _whole_words ? "\\b" : "" ;
var _re = new RegExp( _bound+_word+_bound, _match_pattern );
var _po...