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How can I extract a good quality JPEG image from a video file with ffmpeg?

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How do I use vi keys in ipython under *nix?

...ile. You can add set editing-mode vi to that file to make all readline based applications use vi style keybindings instead of Emacs. share | improve this answer | follow...
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.NET 4.0 build issues on CI server

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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... Georgy 4,77555 gold badges3838 silver badges4646 bronze badges answered Apr 10 '10 at 10:16 cryocryo 12.5k44 gold badges282...
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How to add a line break in C# .NET documentation

...ags in this documentation article from MS. Documenting your code Example (based on original OP sample): /// <summary> /// <para>Get a human-readable variant of the SQL WHERE statement of the search element.</para> /// Rather than return SQL, this method returns a string with ic...
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What's the difference between Cache-Control: max-age=0 and no-cache?

...onse no matter what. Maybe you'd want the SHOULD-revalidate behavior when baseball stats are generated in a page, but you'd want the MUST-revalidate behavior when you've generated the response to an e-commerce purchase. Although you're correct in your comment when you say no-cache is not supposed ...
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TypeScript “this” scoping issue when called in jquery callback

... extra work if the function has parameters Bad: Derived classes can't call base class methods written this way using super. Bad: The exact semantics of which methods are "pre-bound" and which aren't create an additional non-typesafe contract between your class and its consumers. Function.bind Also...
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Undo a particular commit in Git that's been pushed to remote repos

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Fastest way to serialize and deserialize .NET objects

...he fastest) general purpose serializer in .NET. If you need strings, just base-64 encode the binary. [XmlType] public class CT { [XmlElement(Order = 1)] public int Foo { get; set; } } [XmlType] public class TE { [XmlElement(Order = 1)] public int Bar { get; set; } } [XmlType] publi...
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What's the need of array with zero elements?

...xample_large_s { u32 first; // align to CL u32 data; .... u64 *second; // align to second CL after the first one .... }; In code you can declare them using GCC extensions like: __attribute__((aligned(CACHE_LINE_BYTES))) But you still want to make sure this is enforced in ru...