This is a perfect way to hide secret files and messages in an innocent looking JPG file. Try it for yourself; Save the picture below to your harddisk and open it there. When opened, it'll probably open with the standard image viewer. Now, close the application, right click the JPG file and open it with WinRAR. Can you see the hidden file? How to create such an hidden message on your own, click on "Read more..."
One of my friends recommended this small little program that'll mute a Flash application within your browser. Now you can keep on browsing the web without having to listen to any annoying Flash-based ad, or play a Flash-game that doesn't have a "mute" button of his own. This way you'll only hear what you want to hear.
Do you want to ban people from your website? Of course you can code this in PHP, but the most efficient way to do it, is to put it in the .htaccess file of your host. This way, you can also disable hotlinking of images or other files that are hosted on your website.
Keep your website yours, don't let it be taken over by useless spammers, bots and other annoying people.
Be careful when banning entire ranges of IPs, as you may also be blocking legitimate traffic!
User IP Ban
Valid entries:
IP-addresses should have this format:
xxx.xxx.xxx.xxx
, where "xxx" is a number between 0 and 255. In the .htaccess files you can specify a certain IP from your site, but you can also block full ranges. Examples:
Google's mail service, better known as Gmail, has a nice feature called keyboard shortcuts. This way, you can simply use your keyboard to navigate fast trough your Gmail account. I created this cheat sheet with they keyboard shortcuts from Gmail and what they do. Print it and put it next to your PC, you'll never forget an shortcut again.
For those people that don't have the keyboard shortcuts enabled (yet), go to the Settings page of Gmail and turn them on there.
You're probably one of the many Google users in the world. Ever had those days that you were searching on Google and you couldn't find what you were looking for? Try these tips to optimize your search phrase so that you'll most likely find what you've been looking for.
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