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How to use HttpWebRequest (.NET) asynchronously?

...DoWork += (sender, args) => { args.Result = new WebClient().DownloadString(settings.test_url); }; worker.RunWorkerCompleted += (sender, e) => { if (e.Error != null) { connectivityLabel.Text = "Error: " + e.Error.Message; } else { connectivityLabel.Text = "Connectiv...
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Create subdomains on the fly with .htaccess (PHP)

...ches[1])) { $subdomain = $matches[1]; } I have used regex here to to allow for people hitting your site via www.subdomain.example.org or subdomain.example.org. If you never anticipate having to deal with www. (or other subdomains) then you could simply use a substring like so: $subdomain = s...
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Cartesian product of x and y array points into single array of 2D points

... 5], [2, 5], [3, 5]]) See Using numpy to build an array of all combinations of two arrays for a general solution for computing the Cartesian product of N arrays. share | improve this...
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Retrieve the position (X,Y) of an HTML element relative to the browser window

...supported this since as long as you are likely to care about and it was finally standardized in CSSOM Views. All other browsers adopted it a long time ago. Some browsers also return height and width properties, though this is non-standard. If you're worried about older browser compatibility, che...
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Warning the user/local/mysql/data directory is not owned by the mysql user

...ve</key> <true /> <key>Label</key> <string>com.mysql.mysqld</string> <key>ProgramArguments</key> <array> <string>/usr/local/mysql/bin/mysqld_safe</string> <string>--user=mysql</string> &...
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How do I view cookies in Internet Explorer 11 using Developer Tools

...er. The same way you gan go here and paste knowledge how to get user agent string in this post. Wil it be an answer? Should it be downvoted? If you still disagree with me then please write what is a much better reason to downvote. – pstarkov Jan 31 '16 at 10:33...
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Checking a Python module version at runtime

...s have an attribute which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not. ...
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Python argparse mutual exclusive group

... add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive. What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have: p...
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Importing from a relative path in Python

...his method is still commonly used in some situations, where you aren't actually ever 'installing' your package. For example, it's popular with Django users. You can add Common/ to your sys.path (the list of paths python looks at to import things): import sys, os sys.path.append(os.path.join(os.p...
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Can someone explain how to implement the jQuery File Upload plugin?

...de to upload the files: $('#upload').fileupload({ // This function is called when a file is added to the queue add: function (e, data) { //This area will contain file list and progress information. var tpl = $('<li class="working">'+ '<input type="text" value="...