I am currently working with some text files from which I have to extract some data. Generally, when you have to do this kind of work on a *nix machine, you use cut or awk. However, even for simple tasks cut is superseded by the mighty awk. Let’s look at the following examples which are
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There are a lot of tutorials online that will tell you how to secure your SSH server. Most of them will tell you not to allow the root account to login, to use only keys for authentication and possibly to change the port on which your server listens from 22 to any other. Although this
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Securing REST web services is a very debated topic on the Internet. Because REST represents an architecture, and not a protocol – like SOAP -, there aren’t any specifications dealing with security, leaving this aspect as a design decision for the software engineers / developers. Still, if you search the web to find out what
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jQuery is one of the greatest JavaScript frameworks with plenty of documentation for just about everything one can do with it. In my latest project I have used jQuery extensively for any UX aspect: form validations, dialogs, error messages, AJAX, UI, etc. A feature that I would really like to see implemented on all HTML
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When I’ve started working with Git, besides using the quick how-to guides from the official site, I’ve also wanted to read a more detailed book about how this distributed VCS tool should be used in order to benefit from all of its functionalities. One of these books is Pro Git by Scott Chacon, from Apress.
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I was faced today with the problem of getting the difference between two JavaScript arrays. After Googling a bit, I haven’t found anything to catch my attention and so I decided to write my own function. It’s not the most efficient way of doing the job and probably not the most elegant either, but it
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I was introduced to Oracle’s TopLink ORM package during my second internship at Oracle. Although the API (because TopLink actually became the reference implementation for the JPA 2.0) seemed a bit overwhelming at first, I’ve managed to get a grasp of it quite fast, allowing me to finish the assigned projects in time. The familiarity
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A great man once said: Only wimps use tape backup: real men just upload their important stuff on ftp, and let the rest of the world mirror it ;) While it works for him, for us pure mortals this trick doesn’t get the job done. That’s why we have to use backups. Protecting your data is
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Twitter became a trend nowadays when almost everything important is being found out via this social-networking micro-blogging service. And now with Google’s real time search-results that includes tweets too, Twitter is recognised as a powerful platform by even the Internet’s giant. Since your (and mine too) online presence might include a few tweets a day,
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