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How do I update/upsert a document in Mongoose?

... Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify). The upsert = true option creates the object if it doesn't exist. defaults to false. var query = {'username': req.user.username}; req.newData.username = req.user.username; MyModel.findOneAndUpd...
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Select all text inside EditText when it gets focus

... You can try in your main.xml file: android:selectAllOnFocus="true" Or, in Java, use editText.setSelectAllOnFocus(true); share | improve this answer | ...
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“Keep Me Logged In” - the best approach

...e algorithm that you used. For example: md5(salt+username+ip+salt) Now, all an attacker needs to do is brute force the "salt" (which isn't really a salt, but more on that later), and he can now generate all the fake tokens he wants with any username for his IP address! But brute-forcing a salt is...
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Why do Java programmers like to name a variable “clazz”? [closed]

...nvention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ? ...
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How can I get current location from user in iOS

...@end MainFile In the init method locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.distanceFilter = kCLDistanceFilterNone; locationManager.desiredAccuracy = kCLLocationAccuracyBest; [locationManager startUpdatingLocation]; Callback function -...
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How to get folder path for ClickOnce application

...c:\Documents & Settings That's right. ClickOnce applications are installed under the profile of the user who installed them. Did you take the path that retrieving the info from the executing assembly gave you, and go check it out? On windows Vista and Windows 7, you will find the ClickOnce c...
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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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How to programmatically send a 404 response with Express/Node?

...on for this on the response object. Just chain it in somewhere before you call send. res.status(404) // HTTP status 404: NotFound .send('Not found'); share | improve this answer ...
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Implement touch using Python?

... On Python2.7: pip install pathlib – Andre Miras Oct 24 '17 at 17:54 8 ...
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How does BLAS get such extreme performance?

...e optimization. This boost significantly exceeds the second boost from parallelism and other hardware optimizations. By the way, most (or even all) of the high performance BLAS implementations are NOT implemented in Fortran. ATLAS is implemented in C. GotoBLAS/OpenBLAS is implemented in C and i...