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How do I install an R package from source?

... 98 Download the source package, open Terminal.app, navigate to the directory where you currently h...
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Undo a merge by pull request?

...om.com> Date: Mon Apr 29 06:12:38 2013 -0700 Merge pull request #123 from john/foo_and_bar Add foo and bar commit a507888e9fcc9e08b658c0b25414d1aeb1eef45e Author: John Doe <john@doe.com> Date: Mon Apr 29 12:13:29 2013 +0000 Add bar commit 470ee0f407198057d5cb1d6427bb837...
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How to check if an NSDictionary or NSMutableDictionary contains a key?

... s4y 44k1212 gold badges6464 silver badges8989 bronze badges answered May 6 '10 at 21:30 AdiraelAdirael 9,16222 gold badg...
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Static/Dynamic vs Strong/Weak

...kly typed that "12" + "34" would equal "46", but "12" + "34Q" would equal "1234Q" [fortunately, one could write "12" & "34" if one wanted concatenation]. Curiously, variables holding numbers stored them as double-precision floats, and math on such variables used the floating-point values without...
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How to execute shell command in Javascript

... Unihedron 9,9821010 gold badges5050 silver badges6464 bronze badges answered Dec 17 '13 at 15:33 JoshJosh ...
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使用Activity启动器组件 · App Inventor 2 中文网

...,例如, Action:android.intent.action.VIEW DataUri:https://www.fun123.cn 使用预先指定的消息启动邮件程序 2020 年 1 月 26 日:此示例已更新以适应 android 中的更改。 此处显示的电子邮件发送代码将在下一个应用程序发明者版本中运行,...
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Calculate the date yesterday in JavaScript

... 98 [edit sept 2020]: a snippet containing previous answer and added an arrow function // a (no...
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Setting default value for TypeScript object passed as argument

... Dan Dascalescu 98.2k3636 gold badges263263 silver badges333333 bronze badges answered Sep 15 '15 at 21:45 jpadvojpad...
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Count how many files in directory PHP

... (obviously, glob() doesn't count dot-files) 1: 99 (0.4815571308136 s) 2: 98 (0.96104407310486 s) 3: 99 (0.26513481140137 s)
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Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?

... 98 I had to add extension=php_openssl.dll to my php.ini file located in xampp/php/php.ini. Somehow...