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Structs versus classes

...heap space than stack space, so putting things on the stack isn't always a win. Besides which, a list of struct-types and a list of class-types will be on the heap either way, so this is irrelevant in this case. Edit: I'm beginning to consider the term evil to be harmful. After all, making a class...
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Differences between dependencyManagement and dependencies in Maven

... the like, but that's not really complicated either - dependencyManagement wins out over dependencies at the parent level - but if have a question about that or imports, the Maven documentation is a little better). After reading all of the 'a', 'b', 'c' garbage on the Maven site and getting confus...
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clang: how to list supported target architectures?

...en do a $ llc --version | grep Default Default target: x86_64-apple-darwin16.1.0 or alternatively: $ llvm-config --host-target x86_64-apple-darwin16.0.0 or $ clang -v 2>&1 | grep Target Target: x86_64-apple-darwin16.1.0 Then you know how to target it when cross compiling anyway. App...
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Is it worth hashing passwords on the client side

...order to make sure, that such a replay attack cannot work, usually, by allowing the client to select a bunch of random bits, which are hashed along with the password, and also submitted in the clear to the server. On the server: generate a few bits of random send these bits (in clear text) to th...
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When do you use POST and when do you use GET?

... to provide the PUT and DELETE calls also. But, even if you are not following RESTful principles, it can be useful to think in terms of using GET for retrieving / viewing information and POST for creating / editing information. You should never use GET for an operation which alters data. If a se...
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Which comment style should I use in batch files?

... is an actual command that just does nothing. In neither case (at least on Windows 7) does the presence of redirection operators cause a problem. However, :: is known to misbehave in blocks under certain circumstances, being parsed not as a label but as some sort of drive letter. I'm a little fuzzy...
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Why is Go so slow (compared to Java)?

... In the next release of the Go FAQ, something similar to the following should appear. Performance Why does Go perform badly on benchmark X? One of Go's design goals is to approach the performance of C for comparable programs, yet on some benchmarks it does quite poorly...
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Performance surprise with “as” and nullable types

.... While the IL code for the new syntax is indeed 1 byte smaller, it mostly wins big by making zero calls (vs. two) and avoiding the unbox operation altogether when possible. // static void test1(Object o, ref int y) // { // int? x = o as int?; // if (x.HasValue) // y = x.Value; // }...
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What is “stdafx.h” used for in Visual Studio?

...long, slow process. Compiling the huge header structures that form part of Windows API and other large API libraries is a very, very long, slow process. To have to do it over, and over, and over for every single Cpp source file is a death knell. This is not unique to Windows but an old problem face...
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CALL command vs. START with /WAIT option

...ing another batch it's a big difference, as CALL will start it in the same window and the called batch has access to the same variable context. So it can also change variables which affects the caller. START will create a new cmd.exe for the called batch and without /b it will open a new window....