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what is the difference between GROUP BY and ORDER BY in sql
...orm aggregation functions on non-grouped columns (such as SUM, COUNT, AVG, etc).
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Why doesn't Java offer operator overloading?
...plexNumber.equals to have it return a random value, modify the operands... etc. etc. etc..
In Java, as in C++, or whatever language, the programmer must respect a minimum of semantics when writing code. This means implementing a add function that adds, and Cloneable implementation method that clone...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...oesn't affect your view of any branches.
git remote prune origin and git fetch --prune both operate on references under refs/remotes/... (I'll refer to these as remote references). It doesn't affect local branches. The git remote version is useful if you only want to remove remote references unde...
What are five things you hate about your favorite language? [closed]
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+1 for the proliferation of frameworks etc.
– Erich Kitzmueller
Feb 16 '10 at 12:52
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How to connect to Mysql Server inside VirtualBox Vagrant?
...OS): sed -i 's/symbolic-links=0/symbolic-links=0\nbind-address=0.0.0.0/g' /etc/my.cnf
– ronan_mac
Jun 10 '14 at 13:54
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Make XAMPP/Apache serve file outside of htdocs [closed]
...t;
</VirtualHost>
Open your hosts file (C:\Windows\System32\drivers\etc\hosts).
Add
127.0.0.1 transitcalculator.localhost #transitCalculator
to the end of the file (before the Spybot - Search & Destroy stuff if you have that installed).
Save (You might have to save it to the desktop, c...
How to handle many-to-many relationships in a RESTful API?
...who referred them to that team, who their coach is/was while on that team, etc etc.
REST depends on caching for efficiency, which requires some consideration for cache atomicity and invalidation. If you POST a new entity to /teams/3/players/ that list will be invalidated, but you don't want the alte...
How to automatically start a service when running a docker container?
... @KarlMorrison docker exec -it <CONTAINER NAME> mysql /etc/init.d/mysqld restart
– kaiser
Mar 14 '16 at 0:46
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How to set up a cron job to run an executable every hour?
... you're using Ubuntu, you can put a shell script in one of these folders: /etc/cron.daily, /etc/cron.hourly, /etc/cron.monthly or /etc/cron.weekly.
For more detail, check out this post: https://askubuntu.com/questions/2368/how-do-i-set-up-a-cron-job
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Comparison between Corona, Phonegap, Titanium
...uch as Geolocation, Accelerometer Camera, Contacts, Database, File system, etc. Basically any function that the mobile phone SDK provides can be "bridged" to the javascript world. On the other hand, a normal web app that runs on the mobile web browser does not have access to most of these functions ...