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Remove the last three characters from a string

... I read through all these, but wanted something a bit more elegant. Just to remove a certain number of characters from the end of a string: string.Concat("hello".Reverse().Skip(3).Reverse()); output: "he" ...
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Populate nested array in mongoose

...omponent' } }) .exec(function(err, docs) {}); And you can join more than one deep level share | improve this answer | follow | ...
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server

...' and User=''. Because that entry has a Host value 'localhost' that is more specific than '%', it is used in preference to the new entry when connecting from localhost! The correct procedure is to insert a second entry with Host='localhost' and User='some_user', or to delete the en...
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How to specify HTTP error code?

... +1 for using the latest version of the API. If you want to send more down the wire, just chain: res.status(400).json({ error: 'message' }) – TyMayn Sep 23 '14 at 4:15 ...
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Do zombies exist … in .NET?

...xt" won't be released until GC.Collect is called - it turns out it is even more difficult than I thought to create a zombie thread that leaks handles) If applicable, How can I leverage locking without risking a zombie thread scenario in .NET? Don't do what I just did! As long as your code clean...
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Getting an empty JQuery object

...t it, but I solved it by using PHP instead of jQuery so I can't really dig more into it right now. – cregox Mar 2 '11 at 19:02 2 ...
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In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?

...  |  show 2 more comments 239 ...
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Why is it slower to iterate over a small string than a small list?

... TL;DR The actual speed difference is closer to 70% (or more) once a lot of the overhead is removed, for Python 2. Object creation is not at fault. Neither method creates a new object, as one-character strings are cached. The difference is unobvious, but is likely created from a g...
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How can I determine if a JavaScript variable is defined in a page? [duplicate]

... @Ben: The string "undefined" is more correct – if !== is used then the quotes are necessary because typeof results in a string. – Sophie Alpert Aug 14 '11 at 23:52 ...
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What's the best way to distribute Java applications? [closed]

...e a company. Use launch4j and an installer like NSIS. This gives you a lot more control, although the user can still do stupid stuff like un-installing the java runtime. This is probably the most popular approach, and what I currently use. Use Webstart. This also assumes that the user has the correc...