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Android; Check if file exists without creating a new one
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It worked for me:
File file = new File(getApplicationContext().getFilesDir(),"whatever.txt");
if(file.exists()){
//Do something
}
else{
//Nothing
}
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How to hide 'Back' button on navigation bar on iPhone?
I added a navigation control to switch between views in my app. But some of the views shouldn't have 'Back' (the previous title) button. Any ideas about how to hide the back button?
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What's the difference between the atomic and nonatomic attributes?
... astronomicalEvents; that lists data I want to display in the UI. When the application launches the pointer points to an empty array, then the app pulls data from the web. When the web request completes (in a different thread) the app builds a new array then atomically sets the property to a new poi...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...ap build again and it should successfully compile and install your Android app.
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ImportError: No module named MySQLdb
I am referring the following tutorial to make a login page for my web application.
http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
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Moving decimal places over in a double
...average introduce a greater error than multiplying by 0.01 once; but I'll happily concede @JasperBekkers's point about 100 being different, being exactly binary-representable.
– Amadan
Jan 12 '12 at 18:21
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...(including the cell itself) opaque for performance. That means setting the appropriate background color in everything.
3.6) When using an NSURLConnection, as a rule you may well want to implement the delegate method:
- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
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Freeing up a TCP/IP port?
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...and that happens if you don't have permission to see the process... try sudo netstat to actually see the PIDs :)
– Anentropic
Sep 23 '16 at 17:25
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Android Studio: Where is the Compiler Error Output Window?
... do so click on "compiler settings icon" in the "Messages Make" panel that appears when you have an error. You can also open the compiler settings by going to File -> Settings -> Compiler. (Thanx to @maxgalbu for this tip).
Uncheck "Use External build"
And you will see the errors in the ...
How to find out how many lines of code there are in an Xcode project?
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it appears the .m and .mm tests are missing an * (edited: seems SO is not rendering those without a preceding slash) The above was not working for me until I added them as such: find . "(" -name "*.m" -or -name "*.mm" -or -name ...