Welcome to VX Heavens! (VX heavens) Top 50 Free Open Source Classes on Computer Science : Comtechtor Computer science is an interesting field to go into. There are a number of opportunities in computer science that you can take advantage of. With computers increasingly becoming a regular part of life, those who can work with computers have good opportunities. You can find a good salary with a program in computer science, and as long as you are careful to keep up your skills. Here are 50 free opencourseware classes that can help you learn more about computer science: Introduction to Computer Science Learn the basics of computer science, and get a foundation in how computer science works. Introduction to Computer Science: Learn about the history of computing, as well as the development of computer languages. Comprehensive Computer Science Collections If you are interested in courses that are a little more comprehensive in nature, you can get a good feel for computer science from the following collections: Programming and Languages Computer Software Computer Systems and Information Technology
TwistyPuzzles.com Forum • View topic - 3x3 into a 2x2 TomZ wrote: You must first truncate the edges of the cube like the ones of a half truncated cube. You should then glue the three edges around ONE corner to it to make sure the middle layer won't misalign. Then add some plastic sheet to the corners to make it look like a 2x2. I don't really agree wth that. 1. 2. 3. 5. 6. 7. 8. I have still yet to do this project, but I can conclude that this will work. Drewseph wrote: Oskar, we all love this world that we live in. Why does he always have the funny quotes?
Why passwords have never been weaker—and crackers have never been stronger In late 2010, Sean Brooks received three e-mails over a span of 30 hours warning that his accounts on LinkedIn, Battle.net, and other popular websites were at risk. He was tempted to dismiss them as hoaxes—until he noticed they included specifics that weren't typical of mass-produced phishing scams. The e-mails said that his login credentials for various Gawker websites had been exposed by hackers who rooted the sites' servers, then bragged about it online; if Brooks used the same e-mail and password for other accounts, they would be compromised too. The warnings Brooks and millions of other people received that December weren't fabrications. "The danger of weak password habits is becoming increasingly well-recognized," said Brooks, who at the time blogged about the warnings as the Program Associate for the Center for Democracy and Technology. The ancient art of password cracking has advanced further in the past five years than it did in the previous several decades combined.
Removing an object on a photo with GIMP Tutorial to remove objects (or people) and restore the portion of the background they hide in a photo with the Resynthesizer plugin. An impressive video has been posted on Youtube to show how, with Photoshop, it is possible to delete objects in an image automatically, without any design work. The same can be done with The Gimp in fact and for longer (it is not impossible that the same algorithm has been reused). This plugin "re-synthesizes" the background" and rebuilds it from same elements on the photo. First, see the Resynthesizer tutorial to know the purpose of controls. We will put in practice the commands using the same pictures that the Photoshop demonstration video. Using Resynthesizer in Script-Fu 1. 2. We want to remove the tree on the top left. 3. This windows is opened. 4.Here is the final image Using the Map -> Resynthesize filter To choose the sample that reconstructs the background, this command is necessary. 1. 2. 3. To remove the road, it is delimited with the lasso. 4. 5. More
MR01001101 :: cryptography steganography resources and challenges 2x2x2 | TecSpy It's all corners! I first obtained an East-sheen RD02 double 2x2x2 cube on Sat 23rd Aug 08. This is a tiny keychain of two 2x2x2 cubes that share a corner. I would've preferred a straightforward 2x2x2 but I'll take what comes across my path! A fascinating mechanism - there are only corner cubies! This can be quite confusing when you're only used to a 3x3x3 with its fixed centres. Dec 25th 2008: I received a white EastSheen 2x2x2 from puzl.co.uk as part of my self-directed set of Xmas presents and began my true exploration into this puzzle. A Simple 2x2x2 Method I'm terrible with algorithms so my 2x2x2 technique is a simplified 3x3x3 layer-by-layer method. solve first layer freestyle - I always use white first and solve on top (bad form, I know!) Ortega 2x2x2 Method Recently I've been trying to improve my 2x2x2 times by using the Ortega Method. Starting with week 33, I'm now using the Ortega method in the speedsolving.com weekly competition.
Cyber Security Wiki An Overview of Cryptography 1. INTRODUCTION Does increased security provide comfort to paranoid people? Or does security provide some very basic protections that we are naive to believe that we don't need? During this time when the Internet provides essential communication between literally billions of people and is used as a tool for commerce, social interaction, and the exchange of an increasing amount of personal information, security has become a tremendously important issue for every user to deal with. There are many aspects to security and many applications, ranging from secure commerce and payments to private communications and protecting health care information. One essential aspect for secure communications is that of cryptography. In most common usage, cryptography is most closely associated with the development and creation of the mathematical algorithms used to encrypt and decrypt messages, whereas cryptanalysis is the science of analyzing and breaking encryption schemes. 3.3.
12 Absolutely and Insanely Essential Utilities For Programmers In every era in recent times there has been one profession that for a short while you could enter without formal training. Autodidacts in the 19th century could read the law without recourse to formal education (see Abe Lincoln). In the early 20th century it was aviation. Were it not for that Window® of opportunity, I hate to think what would have become of me. As much as I continue to love to code 30 years later, there are a few aspects I hate: Doing a mundane task more than onceNot remembering how i fixed this problem in the pastLosing work to crashed disks or stupid irreversible revisionsNot being able to find subtle text differences in files. Hence, my 12 essential utilities…. Before We Begin I assume you have (and use)… Visual Studio 2010Expression – at a minimum Expression Blend and probably Expression EncoderWindows 7The essential hardware to run it (see forthcoming list!) If not, stop reading this list and go get em. # 1. What is wonderfully controversial is which one is better.
2x2x2 Methods Goal is this time to make 1 face instead of 1 complete layer. So take white for example and put all the white cubies on 1 face, not looking at there permutation. The result is that the last step is drammaticaly faster. Step 1, make a face Simply make 1 correct orienten but not permutated face. Step 2, orientate bottom corners. Now, when you have 1 face, orient the bottom corners with these algs. Note: you see that the first layer is completely solved, this is not necessary, but it's just that I'm lazy and used the images from the page where you do make one complete layer. Step 3, both layers This step is pretty easy, you can learn the first 6 cases (including solved case, but for optimization for this step, learn to do case 1, 4 and 5 from different angles. Done!!
How To Configure Remote Access To Your Ubuntu Desktop Version 1.0 Author: Falko Timme <ft [at] falkotimme [dot] com> Last edited 01/23/2008 This guide explains how you can enable a remote desktop on an Ubuntu desktop so that you can access and control it remotely. This makes sense for example if you have customers that are not very tech-savvy. If they have a problem, you can log in to their desktops without the need to drive to their location. I will also show how to access the remote Ubuntu desktop from a Windows XP client and an Ubuntu client. I do not issue any guarantee that this will work for you! 1 Preliminary Note I have tested this on an Ubuntu 7.10 (Gutsy Gibbon) desktop. 2 Enabling The Remote Desktop We don't have to install anything to enable the remote desktop on Ubuntu. (JavaScript must be enabled in your browser to view the large image as an image overlay.) In the Remote Desktop Preferences window, you can configure the remote desktop connection. vncviewer falko-desktop:0 Then there are the security settings. Instead of