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What's the best way to retry an AJAX request on failure using jQuery?
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Something like this:
$.ajax({
url : 'someurl',
type : 'POST',
data : ....,
tryCount : 0,
retryLimit : 3,
success : function(json) {
//do something
},
error : function(xhr, textStatu...
When is null or undefined used in JavaScript? [duplicate]
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The DOM methods getElementById(), nextSibling(), childNodes[n], parentNode() and so on return null (defined but having no value) when the call does not return a node object.
The property is defined, but the object it refers to does...
List comprehension vs map
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map may be microscopically faster in some cases (when you're NOT making a lambda for the purpose, but using the same function in map and a listcomp). List comprehensions may be faster in other cases and most (not all) pythonistas consider them more direct and clea...
RegEx match open tags except XHTML self-contained tags
... There are disputes about this answer’s content being resolved at this time. It is not currently accepting new interactions.
You can't parse [X]HTML with regex. Because HTML can't be parsed by re...
How do I read the contents of a Node.js stream into a string variable?
... on this question". If you are thinking of down clicking, what do you want me to do?)
The key is to use the data and end events of a Readable Stream. Listen to these events:
stream.on('data', (chunk) => { ... });
stream.on('end', () => { ... });
When you receive the data event, add the new ch...
Behaviour for significant change location API when terminated/suspended?
This is the section from the CLLocationManager documentation describing the app behavior with startMonitoringSignificantLocationChanges :
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How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
I am writing an iframe based facebook app. Now I want to use the same html page to render the normal website as well as the canvas page within facebook. I want to know if I can determine whether the page has been loaded inside the iframe or directly in the browser?
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Official way to ask jQuery wait for all images to load before executing something
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With jQuery, you use $(document).ready() to execute something when the DOM is loaded and $(window).on("load", handler) to execute something when all other things are loaded as well, such as the images.
The difference can be seen in the following compl...
Should I use JSLint or JSHint JavaScript validation? [closed]
...dating my JavaScript against JSLint and making progress on, it's assisting me to write better JavaScript - in particular in working with the Jquery library.
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Checking from shell script if a directory contains files
...bin/bash
shopt -s nullglob dotglob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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