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How to convert wstring into string?
...ngth() * converter.max_length());
std::mbstate_t state;
const wchar_t* from_next;
char* to_next;
const converter_type::result result = converter.out(state, ws.data(), ws.data() + ws.length(), from_next, &to[0], &to[0] + to.size(), to_next);
if (result == converter_type::ok or resul...
Any way to exit bash script, but not quitting the terminal
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Yes; you can use return instead of exit. Its main purpose is to return from a shell function, but if you use it within a source-d script, it returns from that script.
As §4.1 "Bourne Shell Builtins" of the Bash Reference Manual puts it:
return [n]
Cause a shell function to exit wi...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...equest that map-reduces a chunk of data for about 25K users and returns it from Riak to the app, I get an error in the Nginx log:
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Convert .pem to .crt and .key
...and to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...an important one. Might be a good place to point out various distributions from the C++11 standard library.
– leftaroundabout
Jun 20 '13 at 21:43
add a comment
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How to read a line from the console in C?
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Note that this getline() is different from the POSIX standard getline() function.
– Jonathan Leffler
Apr 12 '17 at 5:42
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Getting a random value from a JavaScript array
...ed in your project you can use _.sample.
// will return one item randomly from the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return two items randomly from the array using unders...
Log all requests from the python-requests module
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@TD_Nijboer: see How do I disable log messages from the Requests library?
– Martijn Pieters♦
Aug 11 '16 at 13:46
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C++ valarray vs. vector
...true) didn't help it either.
ISTR that the main reason it wasn't removed from the standard is that nobody took the time to evaluate the issue thoroughly and write a proposal to remove it.
Please keep in mind, however, that all this is vaguely remembered hearsay. Take this with a grain of salt an...
What are the use-cases for Web Workers? [closed]
... wouldn’t want to block your code editing whilst you’re using the app.
From Mozilla: One way workers are useful is to allow your code to perform processor-intensive calculations without blocking the user interface thread.
As a practical example, think of an app which has a large table of #s (t...