Official PHP Coding Standards
Posted by: uzzal on: April 6, 2009
Download the php official coding standard documentation in pdf format from here
This file lists several standards that any programmer, adding or changing code in PHP, should follow. Since this file was added at a very late stage of the development of PHP v3.0, the code base does not (yet) fully follow it, but it’s going in that general direction. Since we are now well into the version 4 releases, many sections have been recoded to use these rules.
OWASP* TOP 10
Posted by: uzzal on: March 27, 2009
THE TEN MOST CRITICAL WEB APPLICATION SECURITY VULNERABILITIES
- Cross Site Scripting (XSS): XSS flaws occur whenever an application takes user supplied data and sends it to a web browser without first validating or encoding that content. XSS allows attackers to execute script in the victim’s browser which can hijack user sessions, deface web sites, possibly introduce worms, etc.
- Injection Flaws: Injection flaws, particularly SQL injection, are common in web applications. Injection occurs when user-supplied data is sent to an interpreter as part of a command or query. The attacker’s hostile data tricks the interpreter into executing unintended commands or changing data.
- Malicious File Execution: Code vulnerable to remote file inclusion (RFI) allows attackers to include hostile code and data, resulting in devastating attacks, such as total server compromise. Malicious file execution attacks affect PHP, XML and any framework which accepts filenames or files from users. Read the rest of this entry »
Top Search Engine Ranking Factors
Posted by: uzzal on: March 21, 2009
PageRank is not the only factor that Google uses to rank search results. Google uses more than 200 “signals”to calculate the rank of a page. According to a survey of SEO experts, the top 10 most important factors include the following:
- Keyword use in title tag
- Anchor text of inbound link
- Global link popularity of site
- Age of site
- Link popularity within the site’s internal link structure
- Topical relevance of inbound links to site
- Link popularity of site in topical community
- Keyword use in body text
- Global link popularity of linking site
- Topical relationship of linking page
The top factors that negatively affect a search engine spider’s ability to crawl a page or harm its rankings are as follows: Read the rest of this entry »
enabling shadow effect in ubuntu (inside virtualbox)
Posted by: uzzal on: March 6, 2009
Ubuntu has impressive graphical effects. But while running inside virutalbox i was little upset that ubuntu can’t detect any graphics hardware inside virtualbox. I was just thinking how can i enable those nice effects in ubuntu while running inside virtualbox. I was searching in google and i endup with a solution, here i am sharing it.
step1: after logging in ubuntu press alt+f2 (it will open a run application popup)
step2: type gconf-editor in there (it will open configuration editor).
step3: in configuration editor find app->metacity->general->compositing_manager (mark compositing manager checked and it will enable the shadow effect)
enjoy 
Microsoft’s future!
Posted by: uzzal on: March 3, 2009
just take a look, what microsoft is planning for the near future…
A Real bad day!!!
Posted by: uzzal on: February 23, 2009
Yesterday was a really bad day for me, i faced a great personal disaster. When i came back from office yesterday and started my home pc then i found my pc can’t start windows (only showing the loading logo, and just loading and loading). I tried to use the safe mode, but not worked. Then i decided to repair the windows with the windows setup CD. I inserted the cd in drive and everything goes well but it couldn”t detect my old windows and just went directly to format screen. i didn’t have anyother choice except format the pertition (I never saw anything like this before). After formatting i was thinking why not try ubuntu except windows. I inserted the ubuntu 8.10 cd in drive everything went well, then i clicked on ubuntu installer icon in ubuntu live desktop. all seemed well at 3rd step of installation ubuntu started partitioner. when partitioner reached at 50% then it just stopped responding. i waited for almost 2hour no respond. Then i restarted the pc and repeat everything, nothing new (i also tried by manually partitionning ext3 with dpart). then at last i googled “ubuntu partitioner stops at 50%” and i found thousands of replies but not a single working solution. I just get disappointed and had setup windows again. What a day! anyway ubuntu also sucks (at-least for now)
Installing VirtualBox Guest Additions in Ubuntu
Posted by: uzzal on: February 20, 2009
Step 1: After starting the ubuntu in VirtualBox Select Device->Install Guest Additions… from VirtualBox menu.
Step 2: Now in ubuntu open terminal and type the following bash command to install the VirtualBox guest addition
cd /media/cdrom sudo bash ./VBoxLinuxAdditions-x86.run
Then it will ask for the password, type your password and just after that you will have VirtualBox guest addition installed in your ubuntu. If you have older version of Ubuntu then it might require to upgrade your Linux kernel.
Here VBoxLinuxAdditions-x86.run is the file name of my VirtualBox guest addition.
Microsoft launches portals for developers and IT professionals
Posted by: uzzal on: February 13, 2009
- In: Microsoft
- 2 Comments
Microsoft Bangladesh on Wednesday announced that it would run two online community portals each for developers and IT professionals in Bangladesh.
Microsoft Bangladesh launched msdnbangladesh.net (developers) and techbangladesh.net (IT Professionals) in a ceremony held at the BIAM Foundation auditorium in the Capital. Read the rest of this entry »
Basic Shell Commands
Posted by: uzzal on: February 2, 2009
To speak about the truth, I actually don’t dislike Linux, but i don’t feel comfortable on it. But i am feeling it is going to be important day by day specially in developer society (I don’t know, home user will ever choose Linux for their every day computing). I am learning some shell commands (they are not many but TOO many!!) here i listed some basic commands (just for me):
cd—Changes directories
chmod—Changes file access permissions
cp—Copies files
du—Prints disk usage
find—Finds files by searching
grep—Searches for a string in input
less—Filter for paging through output
ln—Creates links between files
locate—Finds files from an index
ls—Lists files in the current directory
make—Compiles and installs programs
man—The manual page reader
mkdir—Makes directories
mv—Moves files
ps—Lists processes
rm—Deletes files and directories
ssh—Connects to other machines
tail—Prints the last lines of a file
top—Prints resource usage
which—Prints the location of a command
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