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URL Encoding using C#

...file name) may be constructed using Uri.EscapeDataString(fileOrFolderName) allowing all non Uri compatible character (spaces, unicode ...). For example to allow any character in filename, use: req =(FtpWebRequest)WebRequest.Create(new Uri(path + "/" + Uri.EscapeDataString(filename))); Using...
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Coalesce function for PHP?

...HP 7 introduced a real coalesce operator: echo $_GET['doesNotExist'] ?? 'fallback'; // prints 'fallback' If the value before the ?? does not exists or is null the value after the ?? is taken. The improvement over the mentioned ?: operator is, that the ?? also handles undefined variables without...
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How do you validate a URL with a regular expression in Python?

...he result of parsing gives you a netloc or path you don't like, you could call that "invalid". – S.Lott Jun 29 '09 at 20:44 2 ...
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submit a form in a new tab

...to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible? 8...
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded. ...
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How to save an image locally using Python whose URL address I already know?

... Python 2 Here is a more straightforward way if all you want to do is save it as a file: import urllib urllib.urlretrieve("http://www.digimouth.com/news/media/2011/09/google-logo.jpg", "local-filename.jpg") The second argument is the local path where the file should be s...
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What is the type of lambda when deduced with “auto” in C++11?

... The type of a lambda expression is unspecified. But they are generally mere syntactic sugar for functors. A lambda is translated directly into a functor. Anything inside the [] are turned into constructor parameters and members of the functor object, and the parameters inside () are turned ...
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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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UITapGestureRecognizer tap on self.view but ignore subviews

...UI object on this view and I don't want to attach any recognizer object to all of them. I found this method below how to make gesture on my view and I know how it works. Right now I am in front of handicap which way to choose for create this recognizer ignoring subview. Any ideas? Thanks. ...
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?

... First of all, never use a for in loop to enumerate over an array. Never. Use good old for(var i = 0; i<arr.length; i++). The reason behind this is the following: each object in JavaScript has a special field called prototype. Ever...