Articles

I remember hearing of some software that would take a screen print every 15 minutes and store it in a file. They mentioned it can be used to keep track of the … Screenshot – Program that does a screen print every 15 minutes and saves it to a fileRead more

I have 251 images that are 128×128 in size; I need to create one big image that includes them all tiled together. The image will be 32128×32128 in size if all goes … Script – How can I take hundreds of smaller images and create one big tiled image?Read more

I want to set environmental variables permanently through a batch file. Is there a command to set Permanent Environmental Variable (other than SETX) for Windows XP service pack 3? commandSETX JAVA_HOME=”C:javajdk-1.4″is not … Script – Set Permanent Environmental Variable in Windows XPRead more

My task today is to open up and copy some files to 700 brand new micro SD cards. As I get going on this task I am finding that some of the … Sd card – Disable write-protection on Micro SDRead more

My Seagate Expansion Hard Drive is not recognized by windows. When I connect it to the computer I do not see “Mass Storage Device” Under “Universal Serial Bus Controller”. I already check … Seagate Expansion Hard Drive (Portable) is not recognized By Windows!Read more

Just a general question of computer security – if I download a .pdf or .docx from an untrusted source, can it seriously harm my machine/give a malicious user access to my information? … Security – Are .docx or .pdf files potentially dangerous?Read more

There’s a strong belief amoung non-technical people that home computers should not ever be left on unattended – since they are electrical devices and can go up in flames and set the … Security – Do computer system units actually go up in flames?Read more

I’m running Windows 7 Professional. Is there any way to make a user’s directory (anything under C:UsersFoo) encrypted? I’m looking for something like Apple’s FileVault feature. When I login as an administrator … Security – Encrypting a user’s directory in Windows 7Read more

I’ve never quite got this. Just say you write a small program in any language at all which rolls some dice (just using dice as an example). After 600,000 rolls, each number … Security – How are pseudorandom and truly random numbers different and why does it matter?Read more

So I was thinking about viruses recently, and wondering how exactly antiviruses keep up?Considering anybody who’d been coding for a few weeks could hack together something do do nasty, nasty things to … Security – How do anti-viruses work?Read more