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`if __name__ == '__main__'` equivalent in Ruby

... It's handy, though, for testing things -- you can put module tests in there and run them just from the module file without any wrapper. – ebneter Feb 12 '10 at 3:11 ...
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Can I get “&&” or “-and” to work in PowerShell?

...execute command 2". I have used it for things like: build && run_tests In PowerShell, the closest thing you can do is: (build) -and (run_tests) It has the same logic, but the output text from the commands is lost. Maybe it is good enough for you, though. If you're doing this in a sc...
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How do I search for an object by its ObjectId in the mongo console?

...e matters) and that the ObjectId is exact. Documentation is here > db.test.insert({x: 1}) > db.test.find() // no criteria { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find({"_id" : ObjectId("4ecc05e55dd98a436ddcc...
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text-overflow: ellipsis not working

... width: 100px; display: block; overflow: hidden } <span>Test test test test test test</span> Addendum If you want an overview of techniques to do line clamping (Multiline Overflow Ellipses), look at this CSS-Tricks page: https://css-tricks.com/line-clampin/ Addendum2 ...
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Node JS Error: ENOENT

... "/tmp/test.jpg" is not the correct path – this path starts with / which is the root directory. In unix, the shortcut to the current directory is . Try this "./tmp/test.jpg" ...
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How can I get the client's IP address in ASP.NET MVC?

... here was very helpful, but I cleaned it up for my purposes and added some tests. Here's what I ended up with: using System; using System.Linq; using System.Net; using System.Web; public class RequestHelpers { public static string GetClientIpAddress(HttpRequestBase request) { try ...
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Splitting a Java String by the pipe symbol using split(“|”)

... You need test.split("\\|"); split uses regular expression and in regex | is a metacharacter representing the OR operator. You need to escape that character using \ (written in String as "\\" since \ is also a metacharacter in String...
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How to configure XAMPP to send mail from localhost?

... In XAMPP v3.2.1 for testing purposes you can see the emails that the XAMPP sends in XAMPP/mailoutput. In my case on Windows 8 this did not require any additional configuration and was a simple solution to testing email ...
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How can I display an image from a file in Jupyter Notebook?

...u can do the following: from IPython.display import Image Image(filename='test.png') (official docs) share | improve this answer | follow | ...
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What's the best way to set a single pixel in an HTML5 canvas?

...ba("+r+","+g+","+b+","+(a/255)+")"; ctx.fillRect( x, y, 1, 1 ); You can test the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1 I recommend testing against browsers you care about for maximum speed. As of July 2017, fillR...