Showing posts from November, 2012

How to create a self signed SSL certificate and how to use it with your web Server.

SSL certificate is the foremost important aspect of any website. If your website is running without the SSL, the modern browsers will stop the users from entering the website. Of course, there are ways to bypass that, at your own risk. As long as your website has no commercial data exchange, sensitive user information, etc, you are still good to run a website without a proper SSL certificate. For example, a blog can run without an SSL.  Note that Google AdSense accepts websites without SSL.  But the topic of this post is about Self Signed SSL certificate. How to create one, how to use it, and where to use it.  Let us see where to use it. For any website which is used for internal purposes, it's always a good idea to use Self Signed SSL, instead of paying for a real SSL certificate. Internal I mean, within a company, team, or for personal uses, for testing purposes, etc.  Now, let us see how to create a self-signed SSL certificate.  What you need A Linux machine.  OpenSSL utility  A

How to make an Excel macro available for entire excel in a PC - Excel add-ins

This post will show you how to make an Excel macro available for entire MS Excel in a PC. Whatever macro you write will only be available to that particular file. When you open a new Excel file you need to copy-paste or rewrite the entire macro again in the new excel workbook. You can avoid this by making an Excel Add-In. You can place the excel macro somewhere and make it as an add-in. whatever functionality present in the macro(add-in) will be available to the entire excel in your PC. It will be similar to your =SUM() function. When you try to insert the function, you can see your own functions in the “ User Defined Functions ” category Let’s do it 1.        Open an Excel workbook 2.        Press ALT+F11 3.        In the project explorer( left side pane) select “ VBA Project (book2) ”, right-click Insert, then select Module. A blank page opens in the middle. 4. open this link and cop

Number system grouping in Indian system in Excel

By default all computer have number grouping of 1000 separator system, like ###,###,###. But we Indians follow 1000 and 100 separator system like ##,##,###. We can change this default setting to the Indian System in Windows 7. I have not checked in Windows XP. Follow the below steps to change the default settings An easy way by means of Windows Search 1. Press Windows Button 2. Type "Regional Settings" in the search box 3. select "Change the date, time and number format" 4. In the "Formats" tab select "Additional settings" 5. Under the "Numbers" tab see Digits Grouping" and change it to the Indian system. Manual steps if you don't have Windows Search 1. Go to "Control Panel" 2. Select "Region and Language" or if you have a Categorized view select "Clock, Language, and Region" and "Change the date, time and Number format". 3. Go to Step 4 above