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Difference between JSONObject and JSONArray
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When you are working with JSON data in Android, you would use JSONArray to parse JSON which starts with the array brackets. Arrays in JSON are used to organize a collection of related items (Which could be JSON objects).
For example: [{"name":"item 1"},{"name": "item2...
How do you represent a graph in Haskell?
...to additional indirection, as you're suggesting; often by using a map from ids to the actual elements, and having elements contain references to the ids instead of to other elements. The main thing I didn't like about doing that (aside from the obvious inefficiency) is that it felt more fragile, int...
Javascript Object push() function
...ects, so use the right data structure.
var data = [];
// ...
data[0] = { "ID": "1", "Status": "Valid" };
data[1] = { "ID": "2", "Status": "Invalid" };
// ...
var tempData = [];
for ( var index=0; index<data.length; index++ ) {
if ( data[index].Status == "Valid" ) {
tempData.push( dat...
What is the difference between children and childNodes in JavaScript?
...ems iOS 8.3 (maybe others?) doesn't support .children on XML documents: jsfiddle.net/fbwbjvch/1
– Saebekassebil
May 21 '15 at 10:12
4
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ViewPager and fragments — what's the right way to store fragment's state?
...led when a fragment for that position does not exist. After rotating, Android will notice that it already created/saved a fragment for this particular position and so it simply tries to reconnect with it with FragmentManager.findFragmentByTag(), instead of creating a new one. All of this comes free ...
How exactly do Django content types work?
...kish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
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Determine if running on a rooted device
...refer an ability to silently check if root is available first, and if not,hide the respective options in the first place.
2...
How to remove all CSS classes using jQuery/JavaScript?
Instead of individually calling $("#item").removeClass() for every single class an element might have, is there a single function which can be called which removes all CSS classes from the given element?
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jQuery .on('change', function() {} not triggering for dynamically created inputs
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You should provide a selector to the on function:
$(document).on('change', 'input', function() {
// Does some stuff and logs the event to the console
});
In that case, it will work as you expected. Also, it is better to specify some el...
Canvas is stretched when using CSS but normal with “width” / “height” properties
I have 2 canvases, one uses HTML attributes width and height to size it, the other uses CSS:
8 Answers
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