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Using pre-compiled headers with CMake
...:/foo/bar.h will force you to either pass the /FpC:/foo/bar.h flag or put #include <C:/foo/bar.h> at the top of all of your .cpp files as the first include statement. MSVC does a string compare of the #include arguments, it does not check whether it points to the same file as what was given to...
TCP vs UDP on video stream
...ways better to re-transmit data only to clients having packet loss then to include overhead of forward-error-correction in stream sent to all clients.
In any case lost packets are unacceptable. Dropped frames are ok in exceptional cases when bandwidth is hindered.
The result of missing packets ar...
How to check if the URL contains a given string?
...has a toString() method. So you can do it like this:
(''+window.location).includes("franky")
or
window.location.toString().includes("franky")
From the old Mozilla docs:
Location objects have a toString
method returning the current URL. You
can also assign a string to
window.location...
Read whole ASCII file into C++ std::string [duplicate]
... a streambuf iterator out of the file and initialize the string with it:
#include <string>
#include <fstream>
#include <streambuf>
std::ifstream t("file.txt");
std::string str((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());
N...
C++ Convert string (or char*) to wstring (or wchar_t*)
...d with the standard library (C++11 and newer) alone.
The TL;DR version:
#include <locale>
#include <codecvt>
#include <string>
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = converter.to_bytes(wide_utf16_source_string);
std::ws...
Serializing an object to JSON
...Download https://github.com/douglascrockford/JSON-js/blob/master/json2.js, include it and do
var json_data = JSON.stringify(obj);
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...f only to keep the compiler quiet.
From a purely stylistic point-of-view, including the virtual keyword clearly 'advertises' the fact to the user that the function is virtual. This will be important to anyone further sub-classing B without having to check A's definition. For deep class hierarchi...
Auto-reload browser when I save changes to html file, in Chrome?
...cript" src="http://livejs.com/live.js"></script>
How?
Just include Live.js and it will monitor the current page including local CSS and Javascript by sending consecutive HEAD requests to the server. Changes to CSS will be applied dynamically and HTML or Javascript changes will reload...
Mercurial - all files that changed in a changeset?
... to see files that have been modified/added/removed in the last 5 commits (including the ones that I didn't push yet to the repo).
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