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Strings as Primary Keys in SQL Database [closed]

...Good explanation. But holds this true for all SQL databases? I've heard of MySQL performance issues when using random UUID as primary key. – hgoebl Aug 27 '17 at 11:08 add a c...
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Stacking Divs from Bottom to Top

...s. I created a codepen for it. https://codepen.io/king-dev/pen/PoPgXEg .root { transform: scaleY(-1); } .root > div { transform: scaleY(-1); } The idea is to flip the root first horizontally and then flip direct children divs again. NOTE: the above method also reverses the order of divs...
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Why “no projects found to import”?

I am trying to "import existing project into workspace". As the "root directory" I select the directory where all my .java (and .class) files are located. Eclipse writes me that "no projects are found to import". Why? ...
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How to force the browser to reload cached CSS/JS files?

...($file) { if(strpos($file, '/') !== 0 || !file_exists($_SERVER['DOCUMENT_ROOT'] . $file)) return $file; $mtime = filemtime($_SERVER['DOCUMENT_ROOT'] . $file); return preg_replace('{\\.([^./]+)$}', ".$mtime.\$1", $file); } Now, wherever you include your CSS, change it from this: <lin...
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Best practice to run Linux service as a different user

Services default to starting as root at boot time on my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d . ...
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How to remove “index.php” in codeigniter's path

... If you are using Apache place a .htaccess file in your root web directory containing the following: RewriteEngine on RewriteCond $1 !^(index\.php|[Javascript / CSS / Image root Folder name(s)]|robots\.txt) RewriteRule ^(.*)$ /index.php/$1 [L] Another good version is located he...
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Cannot read configuration file due to insufficient permissions

... I had the same problem when I tried to share the site root folder with another user. Some folder lost the permission. So I followed the steps to add permission to IIS_IUSRS group as suggested by Afshin Gh. The problem is this group was not available for me. I am using windows 7....
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What is the use of “assert” in Python?

... errors. The goal of using assertions is to let developers find the likely root cause of a bug more quickly. An assertion error should never be raised unless there’s a bug in your program. share | ...
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Best way to add “current” class to nav in Rails 3

... link_to link_text, link_path end end used like: nav_link 'Home', root_path which will produce HTML like <li class="current"><a href="/">Home</a></li> share | im...
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How can I get the version defined in setup.py (setuptools) in my package?

...ead that file during setup.py. version_file = open(os.path.join(mypackage_root_dir, 'VERSION')) version = version_file.read().strip() The same VERSION file will then work exactly as well in any other program, even non-Python ones, and you only need to change the version string in one place for al...