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How Do I Take a Screen Shot of a UIView?
... you may want renderInContext, not drawInContext. drawInContext is more a method you would override...
Note that it may not work in all views, specifically a year or so ago when I tried to use this with the live camera view it did not work.
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Matching a space in regex
...those examples).
These will work in every* regex engine I've ever seen (some of which don't even have the one-or-more "+" character, ugh).
If you know you'll be using one of the more modern regex engines, "\s" and its variations are the way to go. In addition, I believe word boundaries match start...
Cross-browser window resize event - JavaScript / jQuery
What is the correct (modern) method for tapping into the window resize event that works in Firefox, WebKit , and Internet Explorer?
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Diff files present in two different directories
I have two directories with the same list of files. I need to compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them?
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How to remove RVM (Ruby Version Manager) from my system
...mong other things.
You may also have an /etc/rvmrc file, or one in your home directory ~/.rvmrc that may need to be removed as well.
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How to pass parameters to anonymous class?
Is it possible to pass parameters, or access external parameters to an anonymous class? For example:
11 Answers
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How to use XPath in Python?
What are the libraries that support XPath? Is there a full implementation? How is the library used? Where is its website?
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Algorithm to get the excel-like column name of a number
I'm working on a script that generate some Excel documents and I need to convert a number into its column name equivalent. For example:
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Generate JSON string from NSDictionary in iOS
...SString*) bv_jsonStringWithPrettyPrint:(BOOL) prettyPrint;
@end
.
@implementation NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) prettyPrint {
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self
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Remove all unused resources from an android project
...ors, etc from my Android res directory. Are there any tools that will give me a list of files and I can remove from my repository and elements within specifics files (e.g. unused string entries) that are no longer used?
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