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9 Useful PHP Functions and Features You Need to Know
Friday, September 03, 2010 @ 18:27:44 CEST by tw45admin (132 reads) |  Even after using PHP for years, we stumble upon functions and features that we did not know about. Some of these can be very useful, yet underused. Not all of us have read the manual and the function reference from cover to cover! You may already know that PHP allows you to define functions with optional arguments. But there is also a method for allowing completely arbitrary number of function arguments. First, here is an example with just optional arguments...
Start with functions with an arbitrary number of arguments and then cover the other 8 PHP functions at net.tutplus.com.
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Google ships Chrome 6 on second anniversary
Friday, September 03, 2010 @ 14:46:18 CEST by tw45admin (38 reads) |  Google today celebrated Chrome's second birthday by launching the sixth version of its browser for Windows, Mac and Linux. Chrome 6, which Google released into its "stable" channel, the upgrade mechanism for the production quality version, also included patches for 16 vulnerabilities and another crack at fixing a Windows kernel bug that affected the browser. "The last couple of years we've been focused on speed," said Brian Rakowski, Chrome's director of product management. "A lot of things have changed in the last two years [in browsers], but the one thing we've learned is that speed matters. It's something Google's always believed in and it resonates with people."
More on this story at Techworld.com.
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How to Use KDE Plasma Activities
Friday, September 03, 2010 @ 14:09:00 CEST by tw45admin (28 reads) |  The concept of activities is a new feature introduced with KDE 4. In the old desktop model of KDE 3, the desktop was a program called “kdesktop”, which gave users the ability to have a number of virtual desktops. Although other tools like Superkaramba could be used to add more features, the essential KDE desktop ended there. When activities were introduced into KDE 4, they did not make much sense in isolation. In addition to having virtual desktops, there were activities, which the user could create and configure to have different wallpapers and different widgets. Much of the virtual desktop functionality of KDE 3 was absent and not directly connected to Plasma activities.
Make Tech Easier has the rest.
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How To Set Up A USB-Over-IP Server And Client With Ubuntu 10.04
Friday, September 03, 2010 @ 14:06:47 CEST by tw45admin (33 reads) |  falko writes
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Ubuntu 10.10 Beta Is Available for Download
Friday, September 03, 2010 @ 14:06:15 CEST by tw45admin (31 reads) | A few minutes ago (yesterday, actually -ed), the Ubuntu development team unleashed the Beta version of the up-coming Ubuntu 10.10 (Maverick Meerkat) operating system, due for release in October 10th, 2010. As usual, we've downloaded a copy of it in order to keep you up-to-date with the latest changes in the Ubuntu 10.10 development...Ubuntu 10.10 Beta contains new wallpapers and an improved theme, a new installer, and the powerful Shotwell photo organizer and editor...
More news plus screenshots are at softpedia.com.
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Android: the return of the Unix wars?
Friday, September 03, 2010 @ 14:02:56 CEST by tw45admin (26 reads) |  Your editor was recently amused to encounter this ZDNet article on "Android's dirty little secret." According to that article, the openness of Android has led to an increase in the control held by handset manufacturers and wireless carriers and the fragmentation of the platform. The Open Handset Alliance is in a "shambles," and Android phones have undone all the gains won by that great standard bearer for openness and freedom - the iPhone. One might easily conclude that Android is just business as usual for the mobile telephony industry, but there are a few things worth contemplating here.
Android's "dirty little secret" is revealed at lwn.net.
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Top Ten One-Liners from CommandLineFu Explained
Thursday, September 02, 2010 @ 23:08:41 CEST by tw45admin (123 reads) |  I love working in the shell. Mastery of shell lets you get things done in seconds, rather than minutes or hours, if you chose to write a program instead. In this article I'd like to explain the top one-liners from the commandlinefu.com. It's a user-driven website where people get to choose the best and most useful shell one-liners. But before I do that, I want to take the opportunity and link to a few of my articles that I wrote some time ago on working efficiently in the command line...
Interesting list at catonmat.net.
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How To Setup A Firewall For Your Linux Box In 15 Minutes
Thursday, September 02, 2010 @ 15:42:11 CEST by tw45admin (110 reads) |  Setting up a firewall for IPtables can be rather difficult, especially if its your first time. A firewall is something you need to have, whether you are just trying to keep hackers out, or trying to meet a requirement such as PCI compliance, or HIIPA compliance. Luckily the folks at rfxnetworks, created a CLI based configuration for IPtables. First, download the firewall software at this URL...
Discover the rest at Secure Hosting Directory.
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Tutorial: Best Practices with sudo on Linux
Thursday, September 02, 2010 @ 15:40:02 CEST by tw45admin (101 reads) | Many Linux users are familiar with sudo these days. Ubuntu has done a lot to popularize sudo by enforcing its use in place of encouraging users to use su to switch to the root account to install software and perform other administrative tasks. But there's much more to sudo that users and admins should know. What many users aren't aware of is that sudo can be used to execute commands as any user, not just the root user. In the hands of a skilled admin, sudo can be used to set up fine-grained permissions to provide users with access to perform a few administrative tasks without giving away the keys to the kingdom. Let's look at some of the best practices for controlling system access with sudo while still allowing users to be productive.
Yvo Van Doorn wrote this for Linux Planet.
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Resizing Linux partitions, Part 2: Advanced resizing
Thursday, September 02, 2010 @ 15:38:06 CEST by tw45admin (86 reads) | Simple partition resizing operations, such as those described in Part 1 of this series, usually conclude successfully. Sometimes, though, you need to do something different or troubleshoot problems. This article covers some of these situations. The first topic is LVM configuration and how it interacts with partition resizing. The second topic is troubleshooting techniques. Although a complete description of all the problems that can occur when resizing partitions might fill a book, a few basic principles can help you work through many common problems. Finally, this article describes some alternatives to partition resizing, should the problems you encounter prove insurmountable.
Read the rest at IBM's DeveloperWorks.
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Help us cut cost by not downloading the whole site!
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