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What to do Regular expression pattern doesn't match anywhere in string?
I am trying to match <input> type “hidden” fields using this pattern:
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Detach (move) subdirectory into separate Git repository
I have a Git repository which contains a number of subdirectories. Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository.
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Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
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How do you build a Singleton in Dart?
The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
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Why are flag enums usually defined with hexadecimal values
A lot of times I see flag enum declarations that use hexadecimal values. For example:
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When is an interface with a default method initialized?
While searching through the Java Language Specification to answer this question , I learned that
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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Replace multiple characters in one replace call
Very simple little question, but I don't quite understand how to do it.
14 Answers
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Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
How to save username and password with Mercurial?
I used Mercurial in a personal project, and I have been typing my username and password every time I want to push something to the server.
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