Get ready before you go into the Registry

When I started this blog I said (in the About Me page) that I'll be posting something about Windows Registry. Well although I have written one or two posts on Windows Registry I didn't writing anything much interesting till now. So I decided that this week I'll be posting more on some Registry Hacks. Before that be sure to Back up you registry so that even if some problems occur you can solve that by reverting to the original registry.

You can either backup the whole registry or only the key value you are editing. For this click on the Key value you are editing and go to File»Export here you are given two options either to export the full registry or to back up just the key you selected. The second one is more useful as you are given an ability to revert only a single change. Always make the name of the exported .REG file makes sense to what you were editing. Now if you hit a problem and decide to revert the change double click the exported file and click ok when you are asked whether to merge this with you registry.

So this was just to make sure that you are comfortable before you edit your registry. It will take you some time before you can do the editing easily after you know what all the keys and values in Registry actually represent. Be ready to experiment till then. Never fear anything after all you have got you Windows CD with you right? lol... :)

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Heard about the Google Image Labeler?

Image labeler from Google has been moved to the new home of Simple Informations

How to hide files under other files by merging them

We all would like to hide some of files from the prying eyes of others. But only very few of us know that this can be done by using the copy command in Command Prompt. The format of the command to merge files is
copy /b FILE1.ext+FILE2.ext+....+FILEn.EXT destination.EXT

the parameter /b tells the OS to consider the files as Binary Files. An example is copy /b 1.jpg+2.zip 3.jpg this will produce an image named 3.jpg after merging the image 1.jpg and compressed archive 2.zip The file is now treated as an Image of JPEG type. It's always better to use two files as this will enable you to recover both the files (else you may need a hex editor to split the files). Now if you want to open the zipped file change the extension of the merged file from .jpg to .zip (if Windows Zip utility won't open the file use another archive tool such as WinRAR or WinZIP). This can be applied to most of the file type but still you wont be able to recover the second file be changing the extension if both are of same type. Here you can use a HEX editor to find the JPEG header of second image and making a new file from that point – will be explained later. Here are the screen shots of my merging process
The Image file and the Archive before Merging
After the copy command has been used to merge the files to a single file (check out the file sizes of all the three files )

The Image file after merging has been renamed to .rar (extension of second file) and has been opened using WinRAR

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Adsense section targeting for better Ads

Google Adsense has been a money maker for many of the bloggers out there. but many a times we have seen really nonsense ads appearing on our blogs, may be of medicine on a blog about computers etc.. Well this can easily be prevented by using ad section targeting in Adsense. By section targeting what we do is tell the ad producing script to consider only the text lying between the
<!-- google_ad_section_start --> <!-- google_ad_section_end -->
tags for keywords. Then the ads will be related to the words in the the text lying between them. So what you need to do is put
<!-- google_ad_section_start -->
Your Post (article) Body Here
<!-- google_ad_section_end -->. and see the difference.

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