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How do I measure execution time of a command on the Windows command line?
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Active
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What text editor is available in Heroku bash shell? [closed]
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131
votes
I recently turned the original gist into a heroku cli plugin.
Just install:...
convert a char* to std::string
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391
std::string has a constructor for this:
const char *s = "Hello, World!";
std::string str(s);
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Plotting two variables as lines using ggplot2 on the same graph
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383
For a small number of variables, you can build the plot manually yourself:
ggplot(test_data, ...
How do I retrieve my MySQL username and password?
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Xenph YanXenph Yan
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Draw in Canvas by finger, Android
... circlePath.reset();
circlePath.addCircle(mX, mY, 30, Path.Direction.CW);
}
}
private void touch_up() {
mPath.lineTo(mX, mY);
circlePath.reset();
// commit the path to our offscreen
mCanvas.drawPath...
Finding a branch point with Git?
...nteresting to anyone):
G: a9546a2 merge from topic back to master
F: e7c863d commit on master after master was merged to topic
E: 648ca35 merging master onto topic
D: 37ad159 post-branch commit on master
C: 132ee2a first commit on topic branch
B: 6aafd7f second commit on master before branching
A: ...
WPF Button with Image
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237
You want to do something like this instead:
<Button>
<StackPanel>
<...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...函数：
(1) 使用了静态数据结构;
(2) 调用了malloc或free;
(3) 调用了标准I/O函数;标准io库很多实现都以不可重入的方式使用全局数据结构。
(4) 进行了浮点运算.许多的处理器/编译器中，浮点一般都是不可重入的 (浮点运算大多使...