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C# - how to determine whether a Type is a number

...of(byte), typeof(sbyte), typeof(short), typeof(ushort), ... }; EDIT: One advantage of this over using a type code is that when new numeric types are introduced into .NET (e.g. BigInteger and Complex) it's easy to adjust - whereas those types won't get a type code. ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

... well I mean that no need to quote array keys. one have to quote strings, not array keys. a key don't require no special quoting. – Your Common Sense Nov 6 '11 at 11:40 ...
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cleanest way to skip a foreach if array is empty [duplicate]

... There are a million ways to do this. The first one would be to go ahead and run the array through foreach anyway, assuming you do have an array. In other cases this is what you might need: foreach ((array) $items as $item) { print $item; } Note: to all the people ...
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How to stop app that node.js express 'npm start'

...pm-scripts prestop, stop, poststop: Run by the npm stop command. Set one of the above in your package.json, and then use npm stop npm help npm-stop You can make this really simple if you set in app.js, process.title = myApp; And, then in scripts.json, "scripts": { "start": "app.js...
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Rails 3: Get Random Record

...eter to first, the limit is set to zero and this returns no records. What one should use instead is 1 + Random( users.length) assuming users.length > 0. – SWoo Sep 18 '15 at 3:45 ...
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How to determine a user's IP address in node

... For anyone whose interested, for Heroku it's: request.headers['x-forwarded-for'] – FueledPublishing Oct 22 '14 at 10:51 ...
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Powershell v3 Invoke-WebRequest HTTPS error

....com/a/25163476/68432) is also valid. This solution won't work if you've done "[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}" beforehand. – Paul Suart Sep 27 '15 at 21:54 ...
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Convert a Unicode string to a string in Python (containing extra symbols)

...hat encoding the file is in if they want to read them. If you are the only one doing the reading/writing this isn't a problem, otherwise make sure that you write in a form understandable by whatever else uses the files. In Python 3, this form of file access is the default, and the built-in open fun...
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Working copy locked error in tortoise svn while committing

... thanks @MicroEyes...now i'm able to commit. I just have one small doubt. After making changes to a file, should i first commit and then update the file (in working copy) or update and then commit? – Anil Aug 1 '12 at 18:58 ...
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Do we need semicolon at the end? [duplicate]

...e end of a line means that the statement is over. Now it's like the second one but you always have the thought in the back of your head that there should actually be a semicolon, even if it is completely redundant. – Nearoo Feb 2 '17 at 19:01 ...