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Why is the use of alloca() not considered good practice?

alloca() allocates memory on the stack rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache an...
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Why are C# 3.0 object initializer constructor parentheses optional?

It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...
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Definition of a Balanced Tree

... The constraint is generally applied recursively to every subtree. That is, the tree is only balanced if: The left and right subtrees' heights differ by at most one, AND The left subtree is balanced, AND The right subtree is balanced According t...
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Git diff says subproject is dirty

I have just run a git diff, and I am getting the following output for all of my approx 10 submodules 9 Answers ...
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What do REFRESH and MERGE mean in terms of databases?

...database into my representation". Cascading this is simple; it means that all associated entities are refreshed. MERGE means something complex that approximates "save" but is more like "push this detached entity back into managed status and save its state changes"; the cascading means that all ass...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . 3 Answers ...
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Get exit code of a background process

I have a command CMD called from my main bourne shell script that takes forever. 12 Answers ...
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Disable browser 'Save Password' functionality

... joys of working for a government healthcare agency is having to deal with all of the paranoia around dealing with PHI (Protected Health Information). Don't get me wrong, I'm all for doing everything possible to protect people's personal information (health, financial, surfing habits, etc.), but som...
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Static/Dynamic vs Strong/Weak

I see these terms bandied around all over the place in programming and I have a vague notion of what they mean. A search shows me that such things have been asked all over stack overflow in fact. As far as I'm aware Static/Dynamic typing in languages is subtly different to Strong/Weak typing but wha...
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Normal arguments vs. keyword arguments

How are "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax? ...