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How to do scanf for single char in C [duplicate]

...mat. For example, if you input abc for an int such as: scanf("%d", &int_var); then abc will have to read and discarded. Consider: #include <stdio.h> int main(void) { int i; while(1) { if (scanf("%d", &i) != 1) { /* Input "abc" */ printf("Invalid input. Tr...
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Export to CSV via PHP

...ay &$array) { if (count($array) == 0) { return null; } ob_start(); $df = fopen("php://output", 'w'); fputcsv($df, array_keys(reset($array))); foreach ($array as $row) { fputcsv($df, $row); } fclose($df); return ob_get_clean(); } Then you can make your user...
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Extract subset of key-value pairs from Python dictionary object?

... A bit shorter, at least: wanted_keys = ['l', 'm', 'n'] # The keys you want dict((k, bigdict[k]) for k in wanted_keys if k in bigdict) share | improve thi...
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Making macOS Installer Packages which are Developer ID ready

...oductbuild, and pkgutil After a successful "Build and Archive" open $BUILT_PRODUCTS_DIR in the Terminal. $ cd ~/Library/Developer/Xcode/DerivedData/.../InstallationBuildProductsLocation $ pkgbuild --analyze --root ./HelloWorld.app HelloWorldAppComponents.plist $ pkgbuild --analyze --root ./Helper....
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Accessing MP3 metadata with Python [closed]

...ecific tag versions can be selected: tag.link("/some/file.mp3", eyeD3.ID3_V2) tag.link("/some/file.mp3", eyeD3.ID3_V1) tag.link("/some/file.mp3", eyeD3.ID3_ANY_VERSION) # The default. Or you can iterate over the raw frames: tag = eyeD3.Tag() tag.link("/some/file.mp3") for frame in tag.fra...
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What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i

...that @Scott Lowe already said this above.) – fearless_fool Dec 26 '11 at 19:33 280 ...
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What is simplest way to read a file into String? [duplicate]

...: new String(Files.readAllBytes(Paths.get(filePath)), StandardCharsets.UTF_8); Where filePath is a String representing the file you want to load. share | improve this answer | ...
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How to find keys of a hash?

... You could use Underscore.js, which is a Javascript utility library. _.keys({one : 1, two : 2, three : 3}); // => ["one", "two", "three"] share | improve this answer | ...
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Given an RGB value, how do I create a tint (or shade)?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Differences between numpy.random and random.random in Python

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...