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GCD to perform task in main thread
I have a callback which might come from any thread. When I get this callback, then I would like to perform a certain task on the main thread.
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Scrollview vertical and horizontal in android
...d solution:
Custom ScrollView:
package com.scrollable.view;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ScrollView;
public class VScroll extends ScrollView {
public VScroll(Context context, AttributeSet attrs, int ...
Get checkbox value in jQuery
... this:
$("input[type='checkbox']").val();
Or if you have set a class or id for it, you can:
$('#check_id').val();
$('.check_class').val();
However this will return the same value whether it is checked or not, this can be confusing as it is different to the submitted form behaviour.
To check w...
Mismatch Detected for 'RuntimeLibrary'
...aving the same idea about the size of objects on either side of a function call.
Consider for example that the above two pieces of code are called A and B. A is compiled against one version of the standard library, and B against another. In A's view, some random object that a standard function retu...
How do I link to part of a page? (hash?)
...
If there is an <a name="foo"> tag or any tag with an id (e.g., <div id="foo">), then you can simply append #foo to the URL. Otherwise, you can't arbitrarily link to portions of a page.
Here's a complete example: <a href="http://example.com/page.html#foo">Jump to #...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...million installations on Packagist and 1.6k stars on Github, which theoretically should be higher priority.
If you are tasked with working with the twitter API for your work, you must take this potentially extremely long wait-time into account. Also consider other social media avenues like Facebook ...
Why are we not to throw these exceptions?
... this exception because it simply does not contain any useful information. Calling code catching for exceptions couldn’t disambiguate the intentionally thrown exception (from your logic) from other system exceptions that are entirely undesired and point out real faults.
The same reason also appli...
JavaScript ternary operator example with functions
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The ternary style is generally used to save space. Semantically, they are identical. I prefer to go with the full if/then/else syntax because I don't like to sacrifice readability - I'm old-school and I prefer my braces.
The full if/then/else format is used for pretty much everyth...
How to get response status code from jQuery.ajax?
... all I am trying to do is to get the HTTP response code from a jQuery.ajax call. Then, if the code is 301 (Moved Permanently), display the 'Location' response header:
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How can I programmatically generate keypress events in C#?
How can I programmatically create an event that would simulate a key being pressed on the keyboard?
5 Answers
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