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How do you debug a regex? [closed]
...ly). As a consequence the display is unusable. In addition, the JavaScript testing hangs the browser with a lot of test cases, for every edition (not only once when fired). Finally, some of the proposed regexes are bugged and do not match as intended.
– 7heo.tk
...
Check variable equality against a list of values
...to escaping and is also more error-prone due to that.
/foo|bar|something/.test(str);
To be more precise, this will check the exact string, but then again is more complicated for a simple equality test:
/^(foo|bar|something)$/.test(str);
...
Java String to SHA1
...
Shoudln't encryptPassword("test") and echo test|sha1sum in linux terminal output the same result ? They don't.
– Tulains Córdova
Dec 17 '14 at 13:14
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text-overflow:ellipsis in Firefox 4? (and FF5)
...he box isn't known. This was a deal breaker for me so I stopped working on/testing it... but I thought I'd post it here in case it is of use to someone. Be sure to test it well as my testing was less than exhaustive. I intended to add a browser check to only run the code for FF4 and let all the othe...
Clearing using jQuery
...same element at the end (including custom properties that were set on it).
Tested and working in Opera, Firefox, Safari, Chrome and IE6+. Also works on other types of form elements, with the exception of type="hidden".
window.reset = function(e) {
e.wrap('<form>').closest('form').get(0)....
Check whether user has a Chrome extension installed
... here: https://developer.chrome.com/extensions/extension#global-events
Untested, but you should be able to do...
var myPort=chrome.extension.connect('yourextensionid_qwerqweroijwefoijwef', some_object_to_send_on_connect);
...
Reading in a JSON File Using Swift
...low the below code :
if let path = NSBundle.mainBundle().pathForResource("test", ofType: "json")
{
if let jsonData = NSData(contentsOfFile: path, options: .DataReadingMappedIfSafe, error: nil)
{
if let jsonResult: NSDictionary = NSJSONSerialization.JSONObjectWithData(jsonData, optio...
Creating multiline strings in JavaScript
... the performance loss for an application is often negligible. As that perf test shows, even IE7 can do tens of thousands of operations per second.
– Benjamin Atkin
Aug 20 '11 at 8:16
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How to format numbers? [duplicate]
... Beware that toLocaleString is very slow and can leak memory in Node! Tested this on Node 10.16.3: console.log('on start RSS = ', process.memoryUsage().rss / 1024 / 1024); const number = Math.random() * 10; const params = { minimumFractionDigits: 3, maximumFractionDigits: 3, useGrouping: false ...
How to trim a string to N chars in Javascript?
...size);
}
// usage
console.log('Old school JS -> "' + fixedSize_JS('test (30 characters)', 30) + '"');
console.log('Semi-Old school JS -> "' + fixedSize_JSAlt('test (10 characters)', 10) + '"');
console.log('Prototypes (Preferred) -> "' + 'test (25 characters)'.fixedSize(25) + '"');
...