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iOS start Background Thread
...
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self getResultSetFromDB:docids];
});
GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code.
Updated with a hat tip to Chris Nolet, who suggested a change that makes th...
Multiple levels of 'collection.defaultdict' in Python
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answered Apr 8 '10 at 14:40
interjayinterjay
93.6k1818 gold badges230230 silver badges230230 bronze badges
...
How to save an image to localStorage and display it on the next page?
...img.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var dataURL = canvas.toDataURL("image/png");
return dataURL.replace(/^data:image\/(png|jpg);base64,/, "");
}
Then, on my next page I created an image with a blank src like so:
<img src="" id="tableBanne...
Android Crop Center of Bitmap
...itmap(
srcBmp,
srcBmp.getWidth()/2 - srcBmp.getHeight()/2,
0,
srcBmp.getHeight(),
srcBmp.getHeight()
);
}else{
dstBmp = Bitmap.createBitmap(
srcBmp,
0,
srcBmp.getHeight()/2 - srcBmp.getWidth()/2,
srcBmp.getWidth(),
srcBmp.getWidth()
...
How do I abort the execution of a Python script? [duplicate]
...lso provide an exit status value, usually an integer.
import sys
sys.exit(0)
Exits with zero, which is generally interpreted as success. Non-zero codes are usually treated as errors. The default is to exit with zero.
import sys
sys.exit("aa! errors!")
Prints "aa! errors!" and exits with a st...
Best way to compare 2 XML documents in Java
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edited Feb 20 at 12:53
vulcan raven
28.6k88 gold badges5050 silver badges8686 bronze badges
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What is the difference between OpenID and SAML?
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Original OpenID 2.0 vs SAML
They are two different protocols of authentication and they differ at the technical level.
From a distance, differences start when users initiate the authentication. With OpenID, a user login is usually an HTTP ad...
How to make ng-repeat filter out duplicate results
...-repeat over a JSON file and want to get category names. There are about 100 objects, each belonging to a category - but there are only about 6 categories.
...
How to select the first element in the dropdown using jquery?
...one drop down list at a time as coded below:
var myDDL = $('myID');
myDDL[0].selectedIndex = 0;
Take a look at this post on how to set based on value, its interesting but won't help you for this specific issue:
Change the selected value of a drop-down list with jQuery
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...very nasty-sounding FatalExecutionEngineError exception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app:
...