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How do I replace NA values with zeros in an R dataframe?

...and only replaces the ones with missingness. – Twitch_City Jul 29 '15 at 16:14 3 And... if you ha...
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What does (function($) {})(jQuery); mean?

.../This is where you write your plugin's name 'pluginname': function(_options) { // Put defaults inline, no need for another variable... var options = $.extend({ 'defaults': "go here..." }, _options); //Iterate over the current ...
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Why is a ConcurrentModificationException thrown and how to debug it

...ator is still designed for single-thread access). – G__ May 9 '11 at 20:51 This solution has no point, because Maps do...
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How to change the default charset of a MySQL table?

...lumns to a new character set, use a statement like this: ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name; So query will be: ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8; share | ...
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WordPress asking for my FTP credentials to install plugins

... Try to add the code in wp-config.php: define('FS_METHOD', 'direct'); share | improve this answer | follow | ...
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Is ASCII code 7-bit or 8-bit?

...haracter Codes, 1874-1968" (samizdat copy at http://falsedoor.com/doc/ascii_evolution-of-character-codes.pdf) and then chase its references (many of which are not available online and may be hard to find even with access to a university library, I regret to say). ...
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Binding to static property

... binding updates. public class VersionManager { private static String _filterString; /// <summary> /// A static property which you'd like to bind to /// </summary> public static String FilterString { get { return _filterString...
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What's the best way to trim std::string?

...ic inline void ltrim(std::string &s) { s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); })); } // trim from end (in place) static inline void rtrim(std::string &s) { s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigne...
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?

...t copy won't modify it's target but move does? – RaGa__M Jul 5 '17 at 7:47 ...
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How is “=default” different from “{}” for default constructor and destructor?

...leted destructor: struct A { private: ~A(); }; class Widget { A a_; public: #if 1 virtual ~Widget() = default; #else virtual ~Widget() {} #endif }; Then the =default solution will compile, but Widget won't be a destructible type. I.e. if you try to destruct a Widget, you'll get a ...