大约有 44,000 项符合查询结果（耗时：0.0515秒） [XML]
How do I know that the UICollectionView has been loaded completely?
...UICollectionView's datasource / layout methods should be called. How do I know that?? Is there any delegate method to know UICollectionView loaded status?
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How do I get the coordinates of a mouse click on a canvas element?
...Dom access are done on each click / move. And getBoundingClientRect exists now, and is more elegant.
– GameAlchemist
May 13 '14 at 8:28
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How do you install an APK file in the Android emulator?
I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator.
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Replacement for deprecated sizeWithFont: in iOS 7?
In iOS 7, sizeWithFont: is now deprecated. How do I now pass in the UIFont object into the replacement method sizeWithAttributes: ?
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Heroku/GoDaddy: send naked domain to www [closed]
...veryone leave godaddy for more than one reason. NameCheap.com is who I use now. They are great, and they support what I was trying to do. Also, NameCheap accepts bitcoin.
– Matt
Jan 1 '14 at 19:13
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Latest jQuery version on Google's CDN
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UPDATE 7/3/2014: As of now, jquery-latest.js is no longer being updated.
From the jQuery blog:
We know that http://code.jquery.com/jquery-latest.js is abused
because of the CDN statistics
showing it’s the most popular file. That wouldn...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...view
// Release anything that's not essential, such as cached data
}
Now, in the new OS 3.0, there is an -viewDidUnload method, which will be invoked from the system when the view has been unloaded because of low memory (please correct me: when exactly does this get called?)
-viewDidUnload is...
How to delete a file or folder?
..._path.mkdir()
file_path = directory_path / 'file'
file_path.touch()
and now:
>>> file_path.is_file()
True
Now let's delete them. First the file:
>>> file_path.unlink() # remove file
>>> file_path.is_file()
False
>>> file_path.exists()
False
We can use...
PowerShell: Run command from script's directory
... to the correct folder
Push-Location $folder
# do stuff, call ant, etc
# now back to previous directory
Pop-Location
There's probably other ways of achieving something similar using Invoke-Command as well.
share
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Why is there “data” and “newtype” in Haskell? [duplicate]
... to implement multiple instances of a class for that same underlying type. Now compiler won't complain if you attempt to define instances of say Ord Feet and Ord Cm. Whereas you can't have two definitions as Ord Double.
– Niket Kumar
May 29 '14 at 12:08
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