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How to make git mark a deleted and a new file as a file move?
...According to Git, it is a new file and a removed file. Is there any way to force Git into treating it as a file move?
14 An...
How does a language expand itself? [closed]
... case of e.g. Windows the operating system exposes the so-called WIN32 API for applications running on Windows. The Qt library uses that API to provide applications using Qt to its own API. You use Qt, Qt uses WIN32, WIN32 uses lower levels of the Windows operating system, and so on until it's elect...
When do you use POST and when do you use GET?
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Use POST for destructive actions such as creation (I'm aware of the irony), editing, and deletion, because you can't hit a POST action in the address bar of your browser. Use GET when it's safe to allow a person to call an action. So ...
What REALLY happens when you don't free after malloc?
This has been something that has bothered me for ages now.
17 Answers
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When should I really use noexcept?
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I think it is too early to give a "best practices" answer for this as there hasn't been enough time to use it in practice. If this was asked about throw specifiers right after they came out then the answers would be very different to now.
Having to think about whether or not I n...
Should composer.lock be committed to version control?
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For applications/projects: Definitely yes.
The composer documentation states on this (with emphasis):
Commit your application's composer.lock (along with composer.json) into version control.
Like @meza said: You should...
Why would I ever use push_back instead of emplace_back?
...ies on compiler optimizations to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything push_back can do, but some of the time it will do it better (but never worse).
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
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It's a solution for Ubuntu (the idea also works for Windows or Mac) I just tried today and it works like a charm.
Material
a cross-over Ethernet cable (the name is fancy but it's just a normal Ethernet cable)
a laptop (ubuntu)
a Raspberr...
Is there any advantage of using map over unordered_map in case of trivial keys?
...t unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got no problems with ...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...a to determine whether the cp1252 or MacRoman characters are more common.
For example, in a search I just performed on 100 random English Wikipedia articles, the most common non-ASCII characters are ·•–é°®’èö—. Based on this fact,
The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7,...