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How do I remove documents using Node.js Mongoose?

...s to me more efficient and easy to maintain. See example: Model.remove({ _id: req.body.id }, function(err) { if (!err) { message.type = 'notification!'; } else { message.type = 'error'; } }); UPDATE: As of mongoose 3.8.1, there are several methods that le...
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Finding local maxima/minima with Numpy in a 1D numpy array

...ntries in the 1d array a smaller than their neighbors, you can try numpy.r_[True, a[1:] < a[:-1]] & numpy.r_[a[:-1] < a[1:], True] You could also smooth your array before this step using numpy.convolve(). I don't think there is a dedicated function for this. ...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

... of std::copy over memcpy: 2.99% My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations. Code for my SHA-2 implementations. I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided t...
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How to use the C socket API in C++ on z/OS

...nnect() API. When I do that, this is what I see: FORMAT X/Open #define _XOPEN_SOURCE_EXTENDED 1 #include <sys/socket.h> int connect(int socket, const struct sockaddr *address, socklen_t address_len); Berkeley Sockets #define _OE_SOCKETS #include <sys/types.h> #include <sys/soc...
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa

...the exception in your global exception handler: protected void Application_Error(object sender, EventArgs e) { Exception ex = Server.GetLastError(); //TODO } share | improve this ...
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Use “ENTER” key on softkeyboard instead of clicking button

...ode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { switch (keyCode) { case KeyEvent.KEYCODE_DPAD_CENTER: case KeyEvent.KEYCODE_ENTER: addCourseFromTextBox(); retur...
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Comments in Android Layout xml

...hem inside tags <EditText <!--This is not valid--> android:layout_width="fill_parent" /> share | improve this answer | follow | ...
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Make a UIButton programmatically in Swift

..., 500) myFirstButton.addTarget(self, action: #selector(myClass.pressed(_:)), forControlEvents: .TouchUpInside) self.view.addSubview(myFirstLabel) self.view.addSubview(myFirstButton) } @objc func pressed(sender: UIButton!) { var alertView = UIAlertView() alertView.addButtonWithTi...
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Loading and parsing a JSON file with multiple JSON objects

... @Pi_: you'll have a dictionary, so just access the fields as keys: data = json.loads(line); print data[u'votes'] – Martijn Pieters♦ Sep 16 '12 at 23:26 ...
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What's the difference between size_t and int in C++?

In several C++ examples I see a use of the type size_t where I would have used a simple int . What's the difference, and why size_t should be better? ...