Problem: I want to create a dynamic HTML table with a row starting after certain number of columns, i.e. like, i want to create an html table which automatically generate new row after 3 columns in a row. Solution: $content = array(1, 2, 3, 4, 5, 6, 7, 8, 9); <table border="1" width="50%"> <tr> <?php … Read more
Below is the code with sufficient comments on making a tree navigation menu (hierarchical menu) in PHP. A single page holding different links. The navigation links are present at the left sidebar of the page. I have not used any dynamic approach over here. Have not used any loop. It’s just a static and straight-forward … Read more
In another article, I have written about Very Simple Add, Edit, Delete, View in PHP & MySQL. That article contains a basic CRUD (Create, Read, Update, Delete) system. It doesn’t have the feature of login and register. In this article, I will be presenting a complete CRUD system containing login and register feature. User should … Read more
This article shows how to backup/export and restore/import single & multiple databases and tables in MySQL. Backup/Export 1) Backup/Export single database mysqldump -h hostname -u username -p database_name > /path/backup.sql 2) Backup/Export multiple databases mysqldump -h hostname -u username -p –databases db1 db2 db3 > /path/threedb.sql Here: db1, db2, db3 are three different database name. … Read more
Problem: can’t create pid file: no such file or directory I had this problem and had a very tough and frustrating time with it. While I was installing a fresh copy of MySQL 5 in Windows XP, I got this problem. (I was installing it from the installer i.e. setup file.) The server was not … Read more
Fun with perl regular expression A) $st = “The programming republic of perl”; $1 = ?, $2 = ? and $3 = ? 1) if($st =~/(.*)(e|r)(.*)$/) 2) if($st =~/(m{1,2})(.*)$/) 3) if($st =~/(.*)(m{1,2})(.*)$/) 4) if($st =~/(.?)(m{1,2})(.*)$/) 5) if($st =~/(.+?)(e|r)(.*)$/) 6) if($st =~/(m{1,2}?)(.*?)$/) 7) if($st =~/(m{1,2}?)(.*?)/) 8 ) if($st =~/(.*})(.*)$/) Answer: 1) $1 = The programming republic … Read more
History Public-key encryption makes key-management much easier. It was invented in 1976 by two Stanford mathematicians, Whitfield Diffie and Martin Hellman. Their discovery can be phrased simply: enciphering schemes should be asymmetric. For thousands of years all ciphers were symmetric—the key for encrypting a message was identical to the key for decrypting it, but used, … Read more
NP domain registration service is provided by Mercantile Communications completely free of charge to people and company in Nepal. This article shows step-by-step procedure to register and host a free .np domain/website. Here is the step-by-step guide: 1) Go to domain registration website: http://register.mos.com.np 2) Check Domain Availability Note that, you should choose domain with … Read more