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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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CALayers didn't get resized on its UIView's bounds change. Why?

...you sure? it sounds like you are describing frame. bounds should, theoretically, always have 0,0 as its origin. – griotspeak Feb 11 '12 at 2:32 3 ...
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How to convert currentTimeMillis to a date in Java?

... Calendar objects are generally considered quite large, so should be avoided when possible. A Date object is going to be better assuming it has the functionality you need. "Date date=new Date(millis);" provided in the other answer by user AVD is going ...
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What are all the uses of an underscore in Scala?

...s taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated. ...
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Java 8: performance of Streams vs Collections

I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections. ...
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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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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro

...trollers property) has been updated by the time that viewWillDisappear is called. share | improve this answer | follow | ...
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Escaping single quote in PHP when inserting into MySQL [duplicate]

...e it again, the string you get back from the database will not be automatically escaped for you. You'll get back "O'Brien". So, you will need to pass it through mysql_real_escape_string(). share | i...
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How to shut down the computer from C#

...() { ManagementBaseObject mboShutdown = null; ManagementClass mcWin32 = new ManagementClass("Win32_OperatingSystem"); mcWin32.Get(); // You can't shutdown without security privileges mcWin32.Scope.Options.EnablePrivileges = true; ManagementBaseObject mboShutdownParams = ...
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Received an invalid column length from the bcp client for colid 6

... Specifically, if you have any columns that are VARCHAR smaller than 4, watch out for NULL in your data getting misinterpreted as the 4char string "NULL" – CrazyPyro Feb 11 at 8:13 ...