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What is the purpose of a stack? Why do we need it?

...u mean the evaluation stack of the MSIL language, and not the actual per-thread stack at runtime. Why is there a transfer from memory to stack or "loading?" On the other hand, why is there a transfer from stack to memory or "storing"? Why not just have them all placed in the memory? MSIL is a...
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Parse string to DateTime in C#

...Spaces; if (dateFmt == null) { var dateInfo = System.Threading.Thread.CurrentThread.CurrentCulture.DateTimeFormat; dateFmt=dateInfo.GetAllDateTimePatterns(); } // Commented out below because it can be done shorter as shown below. // For older C# versions...
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Java HashMap performance optimization / alternative

...ust got an up-vote on this answer 6 years after posting which led me to re-read the question. The hash function given in the question is not a good hash for 26 million entries. It adds together a[0]+a[1] and b[0]+b[1]+b[2]. He says values of each byte range from 0 to 51, so that gives only (51*2+1...
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What is the id( ) function used for?

I read the Python 2 docs and noticed the id() function: 13 Answers 13 ...
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Why does ReSharper tell me “implicitly captured closure”?

... @emodendroket Correct, at this point we're talking code style and readability. A field is easier to reason about. If memory pressure or object lifetimes are important I'd chose the field, otherwise I'd leave it in the more concise closure. – yzorg De...
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Why isn't Python very good for functional programming? [closed]

...nder if the OP (with admitted limited FP background) is well-informed when reading terms like "pattern matching", "functional dictionaries", "currying", or "lazy lists". – ThomasH May 6 '11 at 10:32 ...
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How can I properly handle 404 in ASP.NET MVC?

...a generic ControllerFactory that will be easy to implement if you aren't already using a ControllerFactory. – David Murdoch Feb 25 '11 at 16:26 7 ...
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How does Facebook disable the browser's integrated Developer Tools?

...pt using Chrome developer tools. Here is the script with minor changes for readability. I have removed the bits that I could not understand: Object.defineProperty(window, "console", { value: console, writable: false, configurable: false }); var i = 0; function showWarningAndThrow() { ...
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When do we have to use copy constructors?

...ecessary for the correct operation of the programs using that type. After reading through this section, you will learn about several pitfalls of allowing the compiler to generate the copy constructor on its own. Therefore, as seand noted in his answer, it is always safe to turn off copyability for ...
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Removing multiple keys from a dictionary safely

... extra line for existence checking personally, and it's significantly more readable unless you already know about pop(). On the other hand if you were trying to do this in a comprehension or inline lambda this trick could be a big help. I'd also say that it's important, in my opinion, to meet peop...