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C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...
... bind： .commit(std::bind(&Dog::sayHello, &dog));
// 一种是用 mem_fn： .commit(std::mem_fn(&Dog::sayHello), this)
template<class F, class... Args>
auto commit(F&& f, Args&&... args) ->future<decltype(f(args...))>
{
if (!_run)
throw runtime_error("commit on ThreadPool is stopped.")...
Preferred Github workflow for updating a pull request after code review
...istory); my idea'd be to just backup the latest commit SHA that is being reset/rewritten and refer it in a comment on the PR, after the forced-push has been performed. IF prune doesn't remove that detached commit then its history will still be matching PR's comments.
– Kamafeat...
How can I convert a comma-separated string to an array?
... Please note that parseInt() tries to guess the base unless you explicit set it, which can cause unexpected results when dealing with leading zeros ("001,002,003..."). Compare parseInt('010') with parseInt('010', 10).
– Álvaro González
Dec 14 '10 at 16:04
...
How to extract a string using JavaScript Regex?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
variable === undefined vs. typeof variable === “undefined”
The jQuery Core Style Guidelines suggest two different ways to check whether a variable is defined.
8 Answers
...
Random float number generation
... for (auto p : hist) {
std::cout << std::fixed << std::setprecision(1) << std::setw(2)
<< p.first << ' ' << std::string(p.second/200, '*') << '\n';
}
}
output will be similar to the following:
0 ****
1 ****
2 ****
3 ****
4 **...
How to automatically indent source code?
...
Set Options > C/C++ > Formatting > Automatic Indentation on Tab to True and press TAB.
– Steve Pitchers
Oct 21 '13 at 13:29
...
What are the underlying data structures used for Redis?
... you'll find the time complexity in the documentation and, if you have the set of operations and the time complexity, the only other thing you need is some clue about memory usage (and because we do many optimizations that may vary depending on data, the best way to get these latter figures are doin...
How to set Oracle's Java as the default Java in Ubuntu?
...rc file, it should automatically point to the new version.
If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file.
share
|
imp...
Multi-gradient shapes
...PEAT);
return lg;
}
};
PaintDrawable p=new PaintDrawable();
p.setShape(new RectShape());
p.setShaderFactory(sf);
Basically, the int array allows you to select multiple color stops, and the following float array defines where those stops are positioned (from 0 to 1). You can then, as s...