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How can I save application settings in a Windows Forms application?

... get persistable settings. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist. Use the Settings tab to create application settings. Visual Studio creates the files Settings.settings and Settings.Designe...
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Should I use encodeURI or encodeURIComponent for encoding URLs?

... generated by forms with spaces in their fields. Due to this shortcoming and the fact that this function fails to handle non-ASCII characters correctly, you should avoid use of escape() whenever possible. The best alternative is usually encodeURIComponent(). escape() will not encode: @*...
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Intercept page exit event

... page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved. ...
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Simple way to calculate median with MySQL

What's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but ...
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How do I rename all files to lowercase?

... If you're comfortable with the terminal: Open Terminal.app, type cd and then drag and drop the Folder containing the files to be renamed into the window. To confirm you're in the correct directory, type ls and hit enter. Paste this code and hit enter: for f in *; do mv "$f" "$f.tmp"; mv "$f....
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Virtual/pure virtual explained

What exactly does it mean if a function is defined as virtual and is that the same as pure virtual? 12 Answers ...
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Interface vs Base class

When should I use an interface and when should I use a base class? 38 Answers 38 ...
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GetType() can lie?

Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type . ...
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PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)

...rt multiple queries getting executed in one statement. I've been Googleing and found few posts talking about PDO_MYSQL and PDO_MYSQLND. ...
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add a string prefix to each value in a string column using Pandas

... like to append a string to the start of each value in a said column of a pandas dataframe (elegantly). I already figured out how to kind-of do this and I am currently using: ...