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Save An Image To Application Documents Folder From UIView On IOS
...tter to write the images to files.
NSData *pngData = UIImagePNGRepresentation(image);
This pulls out PNG data of the image you've captured. From here, you can write it to a file:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documen...
PowerShell: Store Entire Text File Contents in Variable
...
To get the entire contents of a file:
$content = [IO.File]::ReadAllText(".\test.txt")
Number of lines:
([IO.File]::ReadAllLines(".\test.txt")).length
or
(gc .\test.ps1).length
Sort of hackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-pyth...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
I am developing a mobile web application (for iPhone & Android) with a local database (using html5 webstorage) so my app is still usable when the user is offline.
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How do I trim a file extension from a String in Java?
...the hard stuff.
In this case, I recommend using FilenameUtils.removeExtension() from Apache Commons IO
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How to Apply Gradient to background view of iOS Swift App
...er()
self.gl.colors = [colorTop, colorBottom]
self.gl.locations = [0.0, 1.0]
}
}
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Animate text change in UILabel
...ntly, the new text appears just fine. However, I'd like to add some animation when the new text appears. I'm wondering what I can do to animate the appearance of the new text.
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...s, Webworkers and Threads (thread-a-gogo). Now which one to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed!
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Not showing placeholder for input type=“date” field
...e placeholder I have given. I found the same issue here in SO, but no solution anywhere.
32 Answers
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Compare two DataFrames and output their differences side-by-side
...d the second the columns which has been changed.
In [27]: difference_locations = np.where(df1 != df2)
In [28]: changed_from = df1.values[difference_locations]
In [29]: changed_to = df2.values[difference_locations]
In [30]: pd.DataFrame({'from': changed_from, 'to': changed_to}, index=changed.inde...
iOS app error - Can't add self as subview
...away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complete synchronously) and seeing if that eliminates the crash.
If this is ...