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What's the difference between lists and tuples?

...have structure, lists have order. Using this distinction makes code more m>exm>plicit and understandable. One m>exm>ample would be pairs of page and line number to reference locations in a book, e.g.: my_location = (42, 11) # page number, line number You can then use this as a key in a dictionary to ...
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Rails: What's a good way to validate links (URLs)?

...how I would best validate URLs in Rails. I was thinking of using a regular m>exm>pression, but am not sure if this is the best practice. ...
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Are there any smart cases of runtime code modification?

...ich involves the dynamic creation of code on the stack (or another place). m>Exm>amples are GCC's nested functions and the signal mechanism of some Unices. Sometimes code is translated into code at runtime (this is called dynamic binary translation): Emulators like Apple's Rosetta use this technique...
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Use of Initializers vs Constructors in Java

...tic initializer is the way to go, especially as it allows you to do a complm>exm> initialization and still have the static variable be final. This is a big win. I find "if (someStaticVar == null) // do stuff" to be messy and error prone. If it is initialized statically and declared final, then you av...
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?

...is no such thing as "associative arrays" in javascript. That is strictly a m>phpm> concept. – Breton Jun 25 '10 at 23:14 I...
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Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”

...data) in your case i say YES this is RESTy, but try avoiding using native m>phpm> sessions in your REST API and start generating your own hashed tokens that m>exm>pire in determined periode of time! share | ...
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How do I convert an enum to a list in C#? [duplicate]

... that's superfluous, and will mean m>exm>tra copying. Enum.GetValues returns an array already, so you just have to do var values = (SomeEnum[])Enum.GetValues(typeof(SomeEnum)) – thecoop Nov 9 '10 at 2:33 ...
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Comments in Markdown

...s also worth noting that link labels often need to be separated from other content by a blank line. – Zenm>exm>er Mar 5 '14 at 0:17 ...
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Collection versus List what should you use on your interfaces?

...I simplicity. Future-proofing List<T> is not designed to be easily m>exm>tensible by subclassing it; it is designed to be fast for internal implementations. You'll notice the methods on it are not virtual and so cannot be overridden, and there are no hooks into its Add/Insert/Remove operations. ...
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What is the difference between declarative and procedural programming paradigms?

... of instructions. The instructions may change based on some file or memory content, but overall, it doesn't vary widely. the input to the program is typically not from user input in real-time, but rather from a pre-gathered set of data. Declarative Programming: In Declarative Event driven programm...