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Rails raw SQL example
...s.rubyonrails.org/active_record_querying.html
and in associations, scopes, etc. You could probably construct the same SQL with ActiveRecord relational queries and can do cool things with ARel as Ernie mentions in http://erniemiller.org/2010/03/28/advanced-activerecord-3-queries-with-arel/. And, of c...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...d a file called 01_files.config with the following contents:
files:
"/etc/nginx/conf.d/proxy.conf" :
mode: "000755"
owner: root
group: root
content: |
client_max_body_size 20M;
This generates a proxy.conf file inside of the /etc/nginx/conf.d director...
Nginx not picking up site in sites-enabled?
...! I am trying to move my localhost to my sites-enabled folder which is in /etc/nginx/sites-enabled/default.
3 Answers
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Xcode: What is a target and scheme in plain language?
...ects usually relate to one another
Project - Contains code and resources, etc. (You'll be used to these!)
Target - Each project has one or more targets.
Each target defines a list of build settings for that project
Each target also defines a list of classes, resources, custom scripts etc to incl...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...ies found in the directories specified on the command
line, in the file /etc/ld.so.conf, and in the trusted directories
(/lib and /usr/lib).
Usually your package manager will take care of this when you install a new library, but not always, and it won't hurt to run ldconfig even if that is not...
Difference between solr and lucene
...work.
Examples are Solr, Elastic Search, LinkedIn (yes, under the hood), etc..
Check out this article: Lucene vs Solr
UPDATE (6/18/14)
When to use Lucene?
You are a search engineer AND
You are a programmer AND
You want full control over almost all the internals of Lucene AND
Your requirements...
Viewing contents of a .jar file
What would be the easiest way to view classes, methods, properties, etc. inside a jar file?
I'm looking for something equivalent to the very useful Lutz Roeder .NET Reflector - for Java
...
Why is String immutable in Java?
...ring in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.
Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization issues.
Caching: when compi...
http to https apache redirection
...ite.example.com
DocumentRoot /usr/local/apache2/htdocs
SSLEngine On
# etc...
</VirtualHost>
Then do:
/etc/init.d/httpd restart
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MySQL Database won't start in XAMPP Manager-osx
...mputername>.local.pid)
My Solution:
In /Applications/XAMPP/xamppfiles/etc/my.cnf change user = <uid> s that <uid> is uid from id command.
$ id
uid=...
$ vim /Applications/XAMPP/xamppfiles/etc/my.cnf
...
s...