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How do I download a file over HTTP using Python?
...te(buffer)
status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
status = status + chr(8)*(len(status)+1)
print status,
f.close()
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What does “|=” mean? (pipe equal operator)
...lic static final int DEFAULT_LIGHTS = 4; // is the same than 1<<2 or 100 in binary
So you can use bit-wise OR to add flags
int myFlags = DEFAULT_SOUND | DEFAULT_VIBRATE; // same as 001 | 010, producing 011
so
myFlags |= DEFAULT_LIGHTS;
simply means we add a flag.
And symmetrically, we...
使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
...(FALSE)。
m_wndSplitter.CreateView(0,0,RUNTIME_CLASS(CTest),CSize(190,100),pContext);
实现的关键代码
BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext)
{
// TODO: Add your specialized code here and/or call the base class
if(!m_wndSplitter.CreateSta...
How do I create test and train samples from one dataframe with pandas?
... would just use numpy's randn:
In [11]: df = pd.DataFrame(np.random.randn(100, 2))
In [12]: msk = np.random.rand(len(df)) < 0.8
In [13]: train = df[msk]
In [14]: test = df[~msk]
And just to see this has worked:
In [15]: len(test)
Out[15]: 21
In [16]: len(train)
Out[16]: 79
...
Official way to ask jQuery wait for all images to load before executing something
...0.jpg">
<img src="jollyroger01.jpg">
// : 100 copies of this
<img src="jollyroger99.jpg">
</body>
</html>
With that, the alert box appears before the images are loaded, because the DOM is ready at that point. If you then change:
...
Can I use multiple versions of jQuery on the same page?
... height: "toggle",
opacity: "toggle"
}, 100).hide();
el.toggle();
});
});
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What are the differences between B trees and B+ trees?
...
Charlie MartinCharlie Martin
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Uploading images using Node.js, Express, and Mongoose
...ceived, bytesExpected){
var percent = (bytesReceived / bytesExpected * 100) | 0;
process.stdout.write('Uploading: %' + percent + '\r');
});
});
app.listen(3000);
console.log('Express app started on port 3000');
s...
What does it mean when MySQL is in the state “Sending data”?
...out the data being already present in buffer in RAM and it is sorting some 100k's or 1M's of rows?
– sjas
Jun 22 '17 at 15:53
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How to determine the current shell I'm working on
... Since the current process is the shell, it will be included.
This is not 100% reliable, as you might have other processes whose ps listing includes the same number as shell's process ID, especially if that ID is a small number (for example, if the shell's PID is "5", you may find processes called ...