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stdlib and colored output in C

...which requires colored output. How can I make my output colored like emacs and bash do? 7 Answers ...
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Commenting in a Bash script inside a multiline command

...omment here` \ def `#Another chance for a comment` \ xyz, etc. And for pipelines specifically, there is a clean solution with no overhead: echo abc | # Normal comment OK here tr a-z A-Z | # Another normal comment OK here sort | # The pipelines are automatically co...
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what is the difference between const_iterator and iterator? [duplicate]

...); dereferencing it returns a reference to a constant value (const T&) and prevents modification of the referenced value: it enforces const-correctness. When you have a const reference to the container, you can only get a const_iterator. Edited: I mentionned “The const_iterator returns const...
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Best Practice - NSError domains and codes for your own project/app

...ameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ? ...
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Using the Swift if let with logical AND operator &&

We know that we can use an if let statement as a shorthand to check for an optional nil then unwrap. 6 Answers ...
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Rotating videos with FFmpeg

...ut.mov For the transpose parameter you can pass: 0 = 90CounterCLockwise and Vertical Flip (default) 1 = 90Clockwise 2 = 90CounterClockwise 3 = 90Clockwise and Vertical Flip Use -vf "transpose=2,transpose=2" for 180 degrees. Make sure you use a recent ffmpeg version from here (a static build wi...
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How do I add a ToolTip to a control?

...Form1_Load(object sender, System.EventArgs e) { // Create the ToolTip and associate with the Form container. ToolTip toolTip1 = new ToolTip(); // Set up the delays for the ToolTip. toolTip1.AutoPopDelay = 5000; toolTip1.InitialDelay = 1000; toolTip1.ReshowDelay = 500; ...
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What is the fastest way to compare two sets in Java?

...ething if needs be } If you need to get the elements that are in one set and not the other. EDIT: set.removeAll(otherSet) returns a boolean, not a set. To use removeAll(), you'll have to copy the set then use it. Set one = new HashSet<>(firstSet); Set two = new HashSet<>(secondSet); o...
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jQuery Validation plugin: disable validation for specified submit buttons

... validation with others)? This would be similar to ValidationGroups with standard ASP.NET validator controls. 12 Answers ...
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HTTP POST using JSON in Java

...enable you to make the required request Create an HttpPost request with it and add the header application/x-www-form-urlencoded Create a StringEntity that you will pass JSON to it Execute the call The code roughly looks like (you will still need to debug it and make it work): // @Deprecated HttpCli...