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Where does Android emulator store SQLite database?
...o your regular hard drive.
Edit: Removed suggestion that this works for unrooted devices too - it only works for emulators, and devices where you are operating adb as root.
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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...roblems where a RDBMS is not a viable solution, for all other things I use MySQL (or SQLite for testing).
If you need a NoSQL db you usually know about it, possible reasons are:
client wants 99.999% availability on
a high traffic site.
your data makes
no sense in SQL, you find yourself
doing mult...
How to check if command line tools is installed
... user has a password. A blank password won't work when trying to enable a root user.
System Preferences > Users and Groups > (select user) > Change password
Then to enable root, run dsenableroot in a terminal:
$ dsenableroot
username = mac_admin_user
user password:
root password:
verif...
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...
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>
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How can I define colors as variables in CSS?
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CSS supports this natively with CSS Variables.
Example CSS file
:root {
--main-color:#06c;
}
#foo {
color: var(--main-color);
}
For a working example, please see this JSFiddle (the example shows one of the CSS selectors in the fiddle has the color hard coded to blue, the other C...
How to mount a host directory in a Docker container
...nt boot2docker file on linux container
docker run -v /boot2dockerfolder:/root/containerfolder -i -t imagename
Then when you ls inside the containerfolder you will see the content of your hostfolder.
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.append(), prepend(), .after() and .before()
...
<div></div>
// <-- $(".root").before("<div></div>");
<div class="root">
// <-- $(".root").prepend("<div></div>");
<div></div>
// <-- $(".root").append("<div></div>");
</div>
//...
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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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
I'm used to using relational databases like MySQL or PostgreSQL, and combined with MVC frameworks such as Symfony, RoR or Django, and I think it works great.
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