Today's Question:  What does your personal desk look like?        GIVE A SHOUT

SEARCH KEYWORD -- Remote form submission

  the Performance Golden Rule

Yesterday I did a workshop at Google Ventures for some of their portfolio companies. I didn’t know how much performance background the audience would have, so I did an overview of everything performance-related starting with my first presentations back in 2007. It was very nostalgic. It has been years since I talked about the best practices from High Performance Web Sites. I reviewed some of those early tips, like Make Fewer HTTP Requests, Add an Expires Header, and Gzip Components. ...

   Web design,Golden rule,Performance     2012-02-17 07:51:09

  SQL Injection through HTTP Headers

During vulnerability assessment or penetration testing, identifying the input vectors of the target application is a primordial step. Sometimes, when dealing with Web application testing, verification routines related to SQL injection flaws discovery are restricted to the GET and POST variables as the unique inputs vectors ever. What about other HTTP header parameters? Aren’t they potential input vectors for SQL injection attacks? How can one test all these HTTP parameters and whic...

   Code security,SQL injection,HTTP header     2012-04-05 11:42:04

  OpenLDAP Proxy -- Installation and configuration

After understanding what the configuration would be for an OpenLDAP proxy, it's time to explain the installation of OpenLDAP proxy and how to make it run. In this post, we will cover how to install OpenLDAP proxy both locally and using docker. Local installation The installation is quite easy, there are a few packages to be installed including the ldap server, ldap client and some utilities. Below steps are for CentOS, the instructions for other platforms should be similar with minor differ...

   INSTALLATION,CENTOS,DOCKER,OPENLDAP,OPENLDAP PROXY     2017-11-03 20:26:41

  Top 10 Best Free PHP Frameworks of 2015

Like it or not, PHP is still, the most celebrated as well as an influential platform which is widely admired for its brilliant HTML, database integration support, intuitive features, and simple in learning too. Using diverse PHP frameworks, developers can create robust, effective, well- defined and stable web application with an ease and therefore, saving towards development cost is possible.   In essence, these frameworks facilitate scalability and enduring maintenance by obeying developm...

   PHP FRAMWORKS,CAKEPHP,LARAVEL,CODEIGNITER,ZEND ,PHALCONPHP,YII ,FUELPHP,SYMFONY,PHPIXIE,SLIM     2015-10-02 04:56:03

  A mini guide to HTTP referer

In HTTP header, there is a field named Referer which is to provide the referrer of the current accessed page. In this post, we will introduce the usage of HTTP referer field. On the web, when a user visits a webpage, s/he must be from some place. This place is usually referred a s referer. This information is very important to some website operators and server owners as they want to know where they get the traffic from and this helps them provide better service for potential targeted users. In t...

   HTML,HTTP REFERER,REFERRERPOLICY     2019-06-29 02:23:25

  10 notorious computer virus

The history of computer virus is the same as computer history. With more and more powerful computers, virus also are smarter and harder to be detected and killed. They have big impact on data security and system usability. We introduce 10 notorious computer virus in the history. 1. Creeper In 1971, the Creeper virus, an experimental self-replicating program, is written by Bob Thomas at BBN Technologies. Creeper infected DEC PDP-10 computers running the TENEX operating sy...

   Computer virus,History,Security     2013-07-16 21:09:22

  How to check why Vim is slow

On *nix, some processes may not be able to start up, software runs very slowly suddenly and software's "Segment Fault" are some issues faced by many *nix users. Here we show you how to use truss to trace why Vim becomes slow suddenly. Operating system : FreeBSD-5.2.1-releas vim version is 6.2.154, after typing vim on command line, sometimes we need to wait for a few minutes to get into the edit interface and there is no error output. After carefully checking .vimrc and all vim settings, there ar...

   vim, truss, linux     2012-11-26 11:54:35

  AI solves complex biology problem from scratch

An interdisciplinary, interuniversity group of scientists from Vanderbilt, Cornell, and CFD Research Corporation have created an artificial intelligence capable of solving complex scientific problems from scratch. The AI, called ABE (Automated Biology Explorer), “discovered” how glycolysis produces energy in a living cell by looking at a set of data and then squeezing it into a mathematical formula, just like a human biology researcher.ABE is powered by the freeware Eureqa softw...

   AI,Artificial intelligence,Biology,ABE     2011-10-17 11:08:58

  File upload in PHP

File is a special kind of form data, when being uploaded to the server through HTTP POST request, PHP will create a $_FILES global array, the relevant file information will be stored in this global array. We will illustrate file upload with some code snippets using PHP and look into the internal work mechanism. Lastly will talk about file upload security. File upload In order for users to upload files in client side, we have to provide a form on the user interface. Since the uploaded file is a s...

   File upload,PHP     2012-11-30 22:01:28

  What We’re Really Afraid Of

I recently had a very interesting conversation with a friend who recently launched an online business, and it surprised me how our fears are never what they seem to be It went something like this: B.: I need your help. I launched my product a few months ago, but I am not getting any sales. Me: Do you have traffic? B.: Not much, about 100 visitors a month Me: Then you need to get more traffic. You probably need at least 100x that amount in your market to start seeing any sales. B.: And how do...

   Developer,Career,Idea,Refuse,Afraid     2012-01-06 02:30:42

RECENT