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What's the easy way to auto create non existing dir in ansible

... Right now, this is the only way - name: Ensures {{project_root}}/conf dir exists file: path={{project_root}}/conf state=directory - name: Copy file template: src: code.conf.j2 dest: "{{project_root}}/conf/code.conf" ...
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Unresolved reference issue in PyCharm

... by simply telling pycharm that you want to add the src folder as a source root, and then adding the sources root to your python path. This way, you don't have to hard code things into your interpreter's settings: Add src as a source content root:                        ...
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ORA-00979 not a group by expression

... @AaronDigulla That's what MySQL does, and the world didn't end :p – Chris Baker Aug 27 '14 at 21:32 1 ...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

...th on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode! ...
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Add primary key to existing table

...primary key for sql table. First, you have to drop your old primary key. MySQL: ALTER TABLE Persion DROP PRIMARY KEY; SQL Server / Oracle / MS Access: ALTER TABLE Persion DROP CONSTRAINT 'constraint name'; You have to find the constraint name in your table. If you had given constraint n...
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Call to undefined method mysqli_stmt::get_result

... Please read the user notes for this method: http://php.net/manual/en/mysqli-stmt.get-result.php It requires the mysqlnd driver... if it isn't installed on your webspace you will have to work with BIND_RESULT & FETCH! https://secure.php.net/manual/en/mysqli-stmt.bind-result.php https://s...
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How do I get the current date and time in PHP?

...tetime; $now = new DateTime(); echo $now->format('Y-m-d H:i:s'); // MySQL datetime format echo $now->getTimestamp(); // Unix Timestamp -- Since PHP 5.3 And to specify the timezone: $now = new DateTime(null, new DateTimeZone('America/New_York')); $now->setTimezone(new DateTi...
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Drop all tables whose names begin with a certain string

... MYSQL: SELECT concat('DROP TABLE ',TABLE_NAME,";") as data FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME LIKE '[prefix]%' --- for those who like me found this thread – Andre Nov 6 '12...
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How to add directory to classpath in an application run profile in IntelliJ IDEA?

... @uaaquarius, Why is it that if I add mysql-connector-java-5.1.45/mysql-connector-java-5.1.45-bin.jar as dependency using the other method at stackoverflow.com/a/16742141/632951 it works, but doing using -Xbootclasspath/a it doesn't? – Pace...
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How to enable PHP short tags?

... /etc/php.d/gd.ini, /etc/php.d/json.ini, /etc/php.d/mcrypt.ini, /etc/php.d/mysql.ini, /etc/php.d/mysqli.ini, /etc/php.d/pdo.ini, /etc/php.d/pdo_mysql.ini, /etc/php.d/pdo_sqlite.ini, /etc/php.d/phar.ini, /etc/php.d/sqlite3.ini, /etc/php.d/zip.ini See 2nd line from the comment output.The file will b...