It was a assignment to program a line follower robot. We have five sensors to detect a black line on a white surface. In my group we were two members:- me and Sufi. What we do is that we wrote a program in BASIC that will tell the user to put the robot sensor on [...]
Curve is a combination of a lot of small segmented straight line. So small segment of straight line is the source of all kind of curves not in the drawing board but also in our nature and life. Curve has some strange things over straight line. You can create a curve with some small segmented [...]
A beautiful world does not mean that the world is full of precious and eye catching things. When we can say that our world has become beautiful? It is true that the world has a lot of beautiful things to notice. Are this enough to declare our world beautiful? I say no, because a beautiful [...]
What is beauty? Something pleasant, smooth, easing or something else that makes a sense of feeling good. How can we define beauty? How can we measure it? Well it is relative to the tastes of the human being. We say a thing is beautified when external ornament is applied. We say a thing natural beauty [...]
I have just created a thread in webhostingtalk.com about a review of my host. The thing is that my site is moved from the initial server. One of the guy from that forum traced it and replied it. They smell a rat about my correctness of information. It is true that I bought my hosting [...]
Today, I got a problem in a php script. I was using header() function in the if-else branching. The code is something like
if(condition1)
{
header(”Location:dummy.php?err=1″);
}
else
{
header(”Location:dummy.php?err=2″);
}
if(condition2)
{
header(”Location:dummy.php?err=3″);
}
else
{
header(”Location:dummy.php?err=4″);
}
a contition may fullfill both condition 1 and 2. But in this case I want to go through the first if clause. I run the script and saw that the final page is [...]
I use ubuntu. I found a problem in ubuntu file permission. I have made a php script to delete a file. The file run on CentOs server correctly, but if I run that script on my ubuntu localhost, it shows me a warning saying “Warning: unlink(toberemoved.php) [function.unlink]: Permission denied in /var/www/remover.php on line 5“.
The [...]
Sometimes I take photos. I found a virtual pond type thing in front of your department. I saw some shrubs udner the water. I took a photo of it.
Yesterday My classmate Rinku asked me how to export mysql database. He said that using PhpMyAdmin is pain to download the database everyday. So he needs a button which will do the job of PhpMyAdmin in a single step. That is why he needs the system of exporting a database. I knew how to import [...]
Today I faced a new problem in php coding. I was coding a simple file uploader class. I used regular script as I do. A warning is found at move_uploaded_file() function. I passed some time googling about it. I found that the function cannot access the directory I have mentioned. I made a command on [...]
