Varghese Chacko
Perl/Python hacker with 9+ years of experience
How To Install Java on Ubuntu with Apt-Get. Introduction As a lot of articles and programs require to have Java installed, this article will guide you through the process of installing and managing different versions of Java. Installing default JRE/JDK This is the recommended and easiest option. This will install OpenJDK 6 on Ubuntu 12.04 and earlier and on 12.10+ it will install OpenJDK 7. Installing Java with apt-get is easy. First, update the package index: sudo apt-get update Then, check if Java is not already installed: java -version If it returns "The program java can be found in the following packages", Java hasn't been installed yet, so execute the following command: sudo apt-get install default-jre This will install the Java Runtime Environment (JRE). Sudo apt-get install default-jdk That is everything that is needed to install Java. All other steps are optional and must only be executed when needed.
Installing OpenJDK 7 (optional) To install OpenJDK 7, execute the following command: sudo apt-get install openjdk-7-jre Oracle JDK 6. How To Pick The Perfect Name For Your Business or Startup. Browsing around /r/Entrepreneur and other entrepreneur communities I see that one roadblock many new entrepreneurs run into is picking a great name for their business. Name selection is often an overwhelming, frustrating, and exhausting experience. I can remember how stressful the naming process was for me when launching my first couple of projects.
It would start off fun and loose for the first couple of names, but I would quickly become trapped in a mind numbing list of gibberish. Several hours into it, I could feel my standards dropping and eventually lost all confidence in my ability to even judge the names I was coming up with. That was usually the point where I would put up a desperation post on some forums like this (or the ones you see above) - And while I think it’s a good idea to ask somebody but yourself, this isn’t the best way to come up with a good name. What I always ended up with were names that I settled for. And that’s not what I want for you… Huge time saver – Bust-A-Name.
Using regular expressions - LimeSurvey Manual. Regular Expressions must start and finish with a forward slash ("/"). You can find a good library of regular expressions at These patterns will almost all work if surrounded with the forward slash. To test your regex you can use this regex tester. Please add successfully tested regular expressions! Examples (note that these are all one line): Note that when using regular expressions in the condition editor, do NOT include the beginning and ending slash. /(\w[-. The above regex will not validate email adresses with "+" - which is valid, and e.g. promoted by gmail. /^(\w[-. It is still far from perfect - but I think its better then the original (also because start-of-string and end-of-string anchors are added).
Australian Postcodes: Brazilian Postcodes: Canadian Postcodes: /^[a-zA-Z]\d{1}[a-zA-Z](\-| |)\d{1}[a-zA-Z]\d{1}$/ US Postal Codes: UK Postcodes: /^[A-Z][A-Z]? Note that this is not very exact, and a more exact validation is much more complex. US Phone Number: or But not: Problem 92 - Project Euler. Recruit | Simplest way to hire programmers | HackerEarth.
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