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How do you simulate Mouse Click in C#?

...ave also removed the Windows.Forms references so I can use it from console and WPF applications without additional references. using System; using System.Runtime.InteropServices; public class MouseOperations { [Flags] public enum MouseEventFlags { LeftDown = 0x00000002, ...
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What is the best way to convert an array to a hash in Ruby

... NOTE: For a concise and efficient solution, please see Marc-André Lafortune's answer below. This answer was originally offered as an alternative to approaches using flatten, which were the most highly upvoted at the time of writing. I should h...
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How do I measure the execution time of JavaScript code with callbacks?

... Use the Node.js console.time() and console.timeEnd(): var i; console.time("dbsave"); for(i = 1; i < LIMIT; i++){ db.users.save({id : i, name : "MongoUser [" + i + "]"}, end); } end = function(err, saved) { console.log(( err || !saved )?"Error...
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Export a graph to .eps file with R

...e? I typically export my graphs to a .pdf file (using the 'pdf' function), and it works quite well. However, now I have to export to .eps files. ...
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it

... On the one hand, throwing exceptions is inherently expensive, because the stack has to be unwound etc. On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation. BTW: The correct way t...
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How do I uninstall a package installed using npm link?

... The package can be uninstalled using the same uninstall or rm command that can be used for removing installed packages. The only thing to keep in mind is that the link needs to be uninstalled globally - the --global flag needs to be provided. In order to uninstall the globally linked foo p...
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Cross-Origin Request Headers(CORS) with PHP headers

... Handling CORS requests properly is a tad more involved. Here is a function that will respond more fully (and properly). /** * An example CORS-compliant method. It will allow any GET, POST, or OPTIONS requests from any * ...
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Permanently add a directory to PYTHONPATH?

... using (.profile or whatever, depending on your favorite shell) with a command which, again, depends on the shell in question; in Windows, you can do it through the system GUI for the purpose. superuser.com may be a better place to ask further, i.e. for more details if you need specifics about how ...
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

...roperties (e.g., right-click on the project's name in the project explorer and select "Properties"). Select "Deployment Assembly". Click the "Add..." button on the right margin. Select "Java Build Path Entries" from the menu of Directive Type and click "Next". Select "Maven Dependencies" from the Ja...
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Python argparse ignore unrecognised arguments

Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified. ...