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What is copy-on-write?

...ou want the rest of the implementation to work, such as file\data locking, etc. – Puddler Jul 10 '16 at 23:05 add a comment  |  ...
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Configuring Vim for C++

...nipmate or UltiSnip Search for reference of variables, functions, classes, etc.: Cscope Go to definition: Ctags or part of YouCompleteMe subcommands mentioned above Refactoring tools: Refactor, lh-refactor Useful text objects: Arg text object and Class text object C++ category in Vim Tips wiki Luc H...
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Static class initializer in PHP

... // file Foo.php class Foo { static function init() { /* ... */ } } Foo::init(); This way, the initialization happens when the class file is included. You can make sure this only happens when necessary (and only once) by using autolo...
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Cron jobs and random times, within given hours

I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm. ...
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Display an array in a readable/hierarchical format

... <?php foreach($data[0] as $child) { echo $child . "<br />"; }?> this worked great thanks Brian ! – Xavier Mar 22 '11 at 14:58 ...
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Keep file in a Git repo, but don't track changes

... For my Code Igniter projects, I keep database.php.example and config.php.example in the repo. Then I add config.php and applications/config/database.php to the .gitignore file. So, finally, when I deploy, I can copy the .example files (to config.php and database.php), ...
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Remove multiple whitespaces

... Note that in PHP \s not including "vertical tab" chr(11). To include it too you need to use space character class: [[:space:]]+ php.net/manual/en/regexp.reference.character-classes.php – Yaroslav Oct...
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SQL select join: is it possible to prefix all columns as 'prefix.*'?

...ee http://www.sqlite.org/pragma.html Otherwise all I can recommend is to fetch columns in a result set by ordinal position rather than by column name, if it's too much trouble for you to type the names of the columns in your query. This is a good example of why it's bad practice to use SELECT * --...
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How to remove a package from Laravel using composer?

...mposer.json (in "require" section) Remove Service Provider from config/app.php (reference in "providers" array) Remove any Class Aliases from config/app.php Remove any references to the package from your code :-) Run composer update vendor/package-name. This will remove the package folder from the v...
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...序执行过程、跟踪变量值的方法,可以帮我们找到原因。问题出在输入等号之后,此时: 前数=计算结果 后数=0 算符=“”接下来输入算符,由于算符=“”,因此执行点击算符过程的“如果...则”分支,第一行代码为【前数=后数...