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Rails :dependent => :destroy VS :dependent => :delete_all
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202
The difference is with the callback.
The :delete_all is made directly in your application and ...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
...and_Mrs_D
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answered Jun 21 '13 at 18:51
Andy HaydenAndy Hayden
262k73...
How to find out what type of a Mat object is with Mat::type() in OpenCV
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201
Here is a handy function you can use to help with identifying your opencv matrices at runtime. ...
Embedding unmanaged dll into a managed C# dll
... using (Stream outFile = File.Create(dllPath))
{
const int sz = 4096;
byte[] buf = new byte[sz];
while (true)
{
int nRead = stm.Read(buf, 0, sz);
if (nRead < 1)
break;
outFile.Write(buf, 0, nRead);
}
}
}
catch
{
// ...
How to handle AccessViolationException
...ationException, COMException and everything else, but when Visual Studio (2010) intercepts the AccessViolationException, the debugger breaks on the method call (doc.OCR), and if I step through, it continues to the next line instead of entering the catch block. Additionally, if I run this outside o...
How can I get the sha1 hash of a string in node.js?
...pto.createHash('sha1')
shasum.update('foo')
shasum.digest('hex') // => "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"
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Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
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edited Jun 22 '10 at 20:36
Michael Mrozek
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What does -D_XOPEN_SOURCE do/mean?
...h as Windows.
The numbers refer to different versions of the standard.
500 - X/Open 5, incorporating POSIX 1995
600 - X/Open 6, incorporating POSIX 2004
700 - X/Open 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For ...
What is the difference D3 datum vs. data?
...ijosephmisiti
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How to add http:// if it doesn't exist in the URL?
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answered May 4 '10 at 0:30
Alix AxelAlix Axel
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