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How To Apply Gamma Filter on Images using C#
First of all, I want describe about the term Gamma and its effect. According to the information found on internet especially Wikipedia, In the early days of television, the intensity produced by a CRT(Cathode Ray Tube) is proportional to the input voltage raised to the power gamma. The value of gamma is dependant on CRT but it is usually close to 2.2. A Gamma Filter attempts to correct for this….
How To Generate Random Numbers In SQL Server
Sometimes you need to generate Random numbers for some kind of functionality in SQL Server. Say you want to create an application to select Lucky Draw winner for any kind of competition from your database. Then you can achieve the same by generating a random number and then selecting that row or person from your database. Here is my article on How To Select nth Row from a Table. Instructions:…
How to Embed PHP using Different Tag Types
In PHP language, there are some different types of tags to start and end the PHP script. There are four delimitation variants, all of which are introduced below: Default Syntax: The default delimiter syntax opens with “<?php” and ends with “?>” <?php echo "Text using the default syntax of tags."; ?> Short-Tags: These tags are known as short-tags because you are typing less for same result. The difference is…
How To add Captions to Tables, Figures, Equations in Word
You can add captions to tables, figures, equations, or other objects in Microsoft Word 2010. I am using Word 2010 for the instructions purpose, but the procedure for the older versions of Microsoft Word will be same. Instructions: Open your Word document and then select the object you want to add caption to. After selecting the object (table in following image), click on References tab and then click on Insert…
How to Write Your First PHP Code
Under the label PHP you can learn basics, intermediate and advanced programming in PHP. If you are the beginner lets start with your first script in PHP. <html> <head> <title>First PHP Script</title> </head> <body> <?php echo "This is the text using PHP."; ?> </body> </html> In the above example there is a basic structure of HTML. In the body tag I used PHP code. To start…
How To Tag/ Mention People in Google+ Status Updates
Like Facebook, you can tag or mention your friends while updating your status on Google+. As we have to type @ in Facebook to tag people, but we can do the same in Google+ by either using @ or +. Instructions: Login to your Google+ profile. In the status update box, type in your status and type “@” or “+” where you want to tag or mention your friend.
How to validate date in PHP
Sometimes in the forms you want to validate the date via PHP functions to check whether date was in correct format or not. If you didn’t validate it, it may cause some issues in your code. To prevent such errors you should check the date format in PHP. To perform that use the checkdate() function in PHP. This function accomplishes the task of validating dates quite nicely. returns TRUE if…
How to Add People in your Circles in Google+
You can add people in your Circles by a number of ways in Google+. The following instructions covers all the possible ways Instructions: Login to your Google+ profile. On your Profile, if you see any incoming from new people, you can view all those incoming and then you can add any of those people to your Circle by hovering your mouse on the text “Add to circles” which will populate…
How To Remove People From Circles in Google+
You can easily remove people from your Circles, in Google+. Instructions: Login to your Google+ account. Now you can remove a person from your Circles page or by visiting the person’s wall whom you want to remove from a Circle. If you are visiting that person’s profile, then you can click on the Circles button in Green colour which is showing the number of Circles of yours that persons is…
How To Delete a Circle in Google+
You can delete both default as well as manually created Circles from your Google+ profile which you no longer want to use. Instructions: Login to your Google+ profile. Go to your Circles page. Right click on the Circle you want to delete and select delete Circle. After confirming to delete that Circle, the selected Circle will roll down to the Create New Circle.