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How to remove all event handlers from an event
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If button1 is set to null, are all event handlers attached to button1.Click correctly disposed?
– Damien
Jul 29 '09 at 4:12
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Reading in a JSON File Using Swift
I'm really struggling with trying to read a JSON file into Swift so I can play around with it. I've spent the best part of 2 days re-searching and trying different methods but no luck as of yet so I have signed up to StackOverFlow to see if anyone can point me in the right direction.....
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package R does not exist
...ed by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
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SQLite: How do I save the result of a query as a CSV file?
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Use sqlite> .output C:/Users/jdoe/Documents/output.csv if you want to use a specific path.
– Dustin
Mar 29 '16 at 14:01
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How do I read all classes from a Java package in the classpath?
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If you have Spring in you classpath then the following will do it.
Find all classes in a package that are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNot...
SQL DROP TABLE foreign key constraint
If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
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unix - head AND tail of file
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You can simply:
(head; tail) < file.txt
And if you need to uses pipes for some reason then like this:
cat file.txt | (head; tail)
Note: will print duplicated lines if number of lines in file.txt is smaller than default lines of head + default lines of tail.
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How do you clear a stringstream variable?
...nherited from ios and is used to clear the error state of the stream, e.g. if a file stream has the error state set to eofbit (end-of-file), then calling clear() will set the error state back to goodbit (no error).
For clearing the contents of a stringstream, using:
m.str("");
is correct, althou...
Save An Image To Application Documents Folder From UIView On IOS
...want to store these images in Core Data, since that can impact performance if the data set grows too large. Better 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...
How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
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