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convert UIImage to NSData
...age
);
Here the docs.
EDIT:
if you want to access the raw bytes that make up the UIImage, you could use this approach:
CGDataProviderRef provider = CGImageGetDataProvider(image.CGImage);
NSData* data = (id)CFBridgingRelease(CGDataProviderCopyData(provider));
const uint8_t* bytes = [data bytes];...
Bootstrap: How do I identify the Bootstrap version?
I want to update Bootstrap on a site, but I don't know the installed version.
11 Answers
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When deleting remote git branch “error: unable to push to unqualified destination”
...ranch exists in the origin remote repository.
Do git fetch -p origin to make refs/remotes/origin/my_remote_branch go away if it's already deleted in origin. The -p option tells fetch to delete any tracking branches that no longer exist in the corresponding remotes; by default they are kept around.
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How to uninstall Jenkins?
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These instructions apply if you installed using the official Jenkins Mac installer from http://jenkins-ci.org/
Execute uninstall script from terminal:
'/Library/Application Support/Jenkins/Uninstall.command'
or use Finder to navigate into that folder and double-click on Uninstall.comm...
What is a Lambda?
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EeveeEevee
41.1k1010 gold badges8080 silver badges117117 bronze badges
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How to find current transaction level?
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Jon Schneider
19.9k1616 gold badges120120 silver badges149149 bronze badges
answered Jun 24 '09 at 12:54
SQLMenaceSQLMe...
Pushing read-only GUI properties back into ViewModel
I want to write a ViewModel that always knows the current state of some read-only dependency properties from the View.
6 An...
Which one will execute faster, if (flag==0) or if (0==flag)?
...have seen other abuses already.
If flag is a built-in, then both should take the same speed.
From the Wikipedia article on x86, I'd bet for a Jxx instruction for the if statement: perhaps a JNZ (Jump if Not Zero) or some equivalent.
I'd doubt the compiler misses such an obvious optimization, even...
Difference between $(document.body) and $('body')
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Justin EthierJustin Ethier
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How do I restart a service on a remote machine in Windows? [closed]
...rt a service on a remote machine. Currently, I'm doing this via Remote Desktop. How can it be done from the command line on my local machine?
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