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Post thumbnail of Use gtk settings to make buttons show their icons again
17 May 2011
Continue reading Use gtk settings to make buttons show their icons again

Use gtk settings to make buttons show their icons again

ou may have noticed gtk has stopped showing images for buttons by default. Many apps have not bothered to check the default settings and just assumed that defining an image for a button meant it would show. Too bad the gtk devs decided to change the default value. But never fear, for there is a way to make sure the image shows without modifying the system or user preferences outside of your application!

Post thumbnail of Chinese Ghost Cities like Zhengzhou not so ghostly after all
15 April 2011
Continue reading Chinese Ghost Cities like Zhengzhou not so ghostly after all

Chinese Ghost Cities like Zhengzhou not so ghostly after all

Check out the people living in Zhengzhou, Henan, China as of March 2011. It’s easy to find report after report of places like Zhengzhou, devoid of people; a testament to government corruption in the public for everyone to see. There’s lots of satellite photos depicting public buildings, residential housing, roads, and parking lots all empty like something out of Survivor. If the reports of new urban projects - brand new cities meant to replace aging cities elsewhere - are true, and the government will relocate citizens, then what exactly is to happen to the residents of these old overcrowded metropolises that get left behind?

Post thumbnail of Radiation exposure in small doses good for you?
22 March 2011
Continue reading Radiation exposure in small doses good for you?

Radiation exposure in small doses good for you?

We’re all exposed to limited amounts every day, but what about limited doses of radiation exposure? There have been all kinds of tests to prove low doses of a substance can have the inverse affects of higher dosages.

Post thumbnail of Python memory management
19 May 2010
Continue reading Python memory management

Python memory management

Object creation and deletion is handled for you, but have you ever thought about how it works, when is memory freed, etc.? Think of everything in python as an object. Even something as simple as this, and since’s its a string, you can invoke any string method. When you lose access to some object, that memory is freed on its own. If you assign a string to a variable, you will find the memory locations are the same. Calling __del__ only removes access to the object from the local or global namespace. It does not mean the memory location has been freed.

Post thumbnail of Android update to include flash for Verizon’s Droid smartphone
31 March 2010
Continue reading Android update to include flash for Verizon’s Droid smartphone

Android update to include flash for Verizon’s Droid smartphone

So it’s delayed, it’s not that big of a deal. Features found in the Nexus phone that are missing will be a nice addition, but the big news is flash support is coming. But flash is client side, so I wonder how well that will work on the droid hardware? Even if it renders just fine, is flash the right direction?

Post thumbnail of SSH Captchas and Man In The Middle Attacks
5 February 2010
Continue reading SSH Captchas and Man In The Middle Attacks

SSH Captchas and Man In The Middle Attacks

I can see a use of this type of attack for getting around captchas. If I host a web page that gives you access to download free mp3s, and all you have to do is complete a captcha to get it, what if I get that captcha from another site? I mean, when you load my page, I load the site I want to attack and show you their captcha instead?! That would basically make you my captcha-cracking conscript!

Post thumbnail of IANA set to run out of IPv4 Addresses in 2011
25 January 2010
Continue reading IANA set to run out of IPv4 Addresses in 2011

IANA set to run out of IPv4 Addresses in 2011

The interesting part is 1/8 was just allocated. That’s hard to look at without reading it as one-eighth. IANA predicts all address blocks will be completely assigned by late 2011. I guess the real switch to IPv6 will be a forced one after all.

Post thumbnail of What terms and conditions
21 December 2009
Continue reading What terms and conditions

What terms and conditions

Internet Explorer garbled the terms and conditions when I installed Google Chrome for Windows. It doesn’t seem to be a language pack thing, so what’s going on here? More importantly, what terms and conditions am I bound by? I accepted the terms you see pictured and installed chrome, so now what?

Post thumbnail of Enable ethernet bridging through your firewall using iptables or sysctl.conf
23 November 2009
Continue reading Enable ethernet bridging through your firewall using iptables or sysctl.conf

Enable ethernet bridging through your firewall using iptables or sysctl.conf

Which is better? Which is faster? For a desktop system, I don’t think it really matters if you have to process a bunch of rules. How many can there be, and how much network traffic are you seeing anyway? It’s probably more efficient to modify your sysctl.conf, but it seems more organized to do it all with iptables.

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