background preloader

Education

Facebook Twitter

How to be a Programmer: A Short, Comprehensive, and Personal Summary. Debugging is the cornerstone of being a programmer. The first meaning of the verb to debug is to remove errors, but the meaning that really matters is to see into the execution of a program by examining it. A programmer that cannot debug effectively is blind. Idealists that think design, or analysis, or complexity theory, or whatnot, are more fundamental are not working programmers.

The working programmer does not live in an ideal world. Debugging is about the running of programs, not programs themselves. To get visibility into the execution of a program you must be able to execute the code and observe something about it. The common ways of looking into the ‘innards’ of an executing program can be categorized as: Using a debugging tool, Printlining --- Making a temporary modification to the program, typically adding lines that print information out, and Logging --- Creating a permanent window into the programs execution in the form of a log.

How to Debug by Splitting the Problem Space. LinuxCommand.org: Learn the Linux command line. Write shell scripts. Development for Beginners | C++ Beginner's Guide | MSDN. ALT+NUMPAD ASCII Key Combos: The α and Ω of Creating Obscure Passwords. ALT+NUMPAD ASCII Key Combos: The α and Ω of Creating Obscure Passwords As some Microsoft Operating System geeks know, you can type many more characters than are on a standard keyboard by using the ALT+NUMPAD combination technique.

For example, by holding down the ALT key, typing 234 on the number pad, then releasing ALT gives you the Ω character. I'm writing this article mostly because when I search around for information on the topic of ALT+Number key combos I find pages that are lacking in details. Most of the pages I found are coming from the angle of using ALT+NUMPAD combinations as shortcuts for typing in non-English languages, but I have another use for them. 1. 2.

I'll cover the 2nd point more in an upcoming article. 1. 2. Microsoft has the following to say on the subject of ALT+NUM key codes: Shortly I'll explain explain the first two methods further. First, make sure you are using the number pad and not the top roll number keys, only the number pad works for this. Links: Free Computer books Download | Online computer ebooks | online free computer science ebooks. Welcome to VX Heavens! (VX heavens) The Guide DB. Find your guide to any topic.

Hacking

How to hide files in JPEG pictures. If you’re looking to hide files on your PC hard drive, you may have read about ways to encrypt folders or change the attributes on a file so that they cannot be accessed by prying eyes. However, a lot of times hiding files or folders in that way requires that you install some sort of software on your computer, which could then be spotted by someone else. I’ve actually written quite a few articles on how you can hide files and folders in Windows XP and Vista before, but here I’m going to show you a new way to hide files that is very counter-intuitive and therefore pretty safe!

Using a simple trick in Windows, you can actually hide a file inside of the JPG picture file! You can actually hide any type of file inside of an image file, including txt, exe, mp3, avi, or whatever else. Hide File in Picture In order to accomplish this task, you will need to have either WinZip or WinRAR installed on your computer. Create a folder on your hard drive, i.e. Now here’s the fun part! And that’s it! Network administrator interview questions. The Ultimate Dropbox Toolkit & Guide.

Dropbox, the app we all (at least many of us) know and love, has a plethora of advanced uses to make life so much easier in managing data between multiple computers and online. We’ve posted several roundups of tips and tricks for Dropbox and now we present our ultimate toolkit and guide. We’ve pulled all our tips and tricks together and added quite a few more. Additionally, share your Dropbox tips and tricks and we’ll update the list to share the fun with everyone. Dropbox? Not familiar with Dropbox? Is Dropbox a web app? Dropbox is software that syncs your files online and across your computers. Dropbox Tour The secondary component of Dropbox is the web app. So what else can you do with Dropbox? Tips & Tricks Dropbox seems to have an ever growing list of fun things you can do with the app, so instead of scrolling through one massive list to find something that interests you, use the list below to skip straight to the section you’d like to read.

Basic Tips List Advanced Tips List Basic Tips Mac. Windows Commands: Think You Know It All !? IT Security Best Practices (How-To)