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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...e same way in C# by replacing synchronized with lock):
void foo()
{
// etc.
synchronized(someObject)
{
// if something throws here, the lock on someObject will
// be unlocked
}
// etc.
}
... is already using RAII: The mutex acquisition is done in the keyword (synchron...
Declaring an unsigned int in Java
...s an unsigned integer. Static methods like compareUnsigned, divideUnsigned etc have been added to the Integer class to support the arithmetic operations for unsigned integers.
Note that int variables are still signed when declared but unsigned arithmetic is now possible by using those methods in t...
Java EE web development, where do I start and what skills do I need? [closed]
...ou'd like to pick another, e.g. WildFly, TomEE, Payara, Liberty, WebLogic, etc. Otherwise you have to use Spring instead of Java EE. It's namely not possible to install EJB in a barebones servlet container without modifying the core engine, you'd in case of Tomcat basically be reinventing TomEE. See...
How do I create a simple 'Hello World' module in Magento?
...VC is very different from the Ruby on Rails, Django, CodeIgniter, CakePHP, etc. MVC model that's popular with PHP developers these days. I think it's based on the Zend model, and the whole thing is very Java OOP-like. There's two controllers you need to be concerned about. The module/frontName contr...
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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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...
What are five things you hate about your favorite language? [closed]
...
+1 for the proliferation of frameworks etc.
– Erich Kitzmueller
Feb 16 '10 at 12:52
6
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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...
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
...