Computers and Technology Articles
Designing Shared Libraries - ...nst an older version of the library still works when run against a newer version of the library. However, there needs to be a way to mark librarie...
Shared Libraries - ...ies save system memory, they can make the whole system work faster, especially in situations in which memory is not plentiful.
...
Using Shared Libraries - ...namic loading.
Using Noninstalled Libraries
When you run a program, the dynamic loader usually looks in a cache (/etc/ld.so.cache,...
What are Java Listeners - ...rently occupying that area of the screen.
The most commonly used event listeners are shown below and are found in the package java.awt.eve...
Break ins - ...d any subdirectories and files therein, and so on. In most break-ins, however, the intruder's goal is not simply to reach another user's account. ...
Whats a Linux Process - ...m's credentials (which user and group owned the process, for example)
The program's current directory
Which ...
Common PHP Errors - ...>
will return an error similar to the following:
Parse error: parse error, unexpected T_ECHO in c:\webserver\test2.php on lin...
POSIX Interfaces - ...16-bit machine does not have the same native word size as a 64-bit machine, and a low-level programming language should not pretend it does—...
PHP mail - ... e-mails using the mail function. The format for the mail function is as follows:
mail($to, $subject, $message, $headers);
...
Common Linux Security Holes - ...IV>
1: /* bufferoverflow.c */
2: 3: #include <limits.h>
4: #include <stdio.h>
5: #include <string.h>
6: ...
Java EE Platform - ...pment. The runtime environment is widely used in Web browsers to run small applications known as applets. The development kit is used to compile and d...
Java EE Architecture - ...rnal integration. The following is a list of major technologies provided by Java EE.
Enterprise Applications and Transactions
Compone...
About Ipods and Iphones - ...an be recalled and listened while commuting places.
Ipods actually stormed the music industry and created followers of young breed of music ...
Relational SQL Databases - ...te also that every row of data in the primary key must be unique to one another. Here is the statement required to create our database (called gam...
SQL Data Import Methods - ...we use \N to specify a field that contains NULL and an extra tab is required after each row of data to signify the end of that row. We have saved ...
Install MySQL on Windows - ...eed to select the option MySQL 3.23 Production release (recommended). This will take you to a new page where you can select the package to ...
Emax vs. vi Unix text editors - ...environment of its own. vi is small and is designed to be one piece of the Unix environment. Many clones and alternative versions of each editor h...
Running a Linux Program as a Daemon - ...the program and a meaningful exit code to be returned. This type of work includes parsing configuration files and opening sockets.
...
PHP Date and Time - ...eplaced with the date or time section that they represent. For example:
<?php echo date("d/m/Y"); ?> outputs 11/02/2003
&...
PHP Random Password - ...rd($length) {
$possibleCharacters = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$characterLength = strlen($possibleCharac...
Importing Java Packages - ...end of the package name. This means that it will include all of the classes within the package (i.e., the asterisk is used as a wildcard).
Ano...
Joining SQL Tables - ...them (although when the statement is executed the actual data is compared).
For an example of how we can use joining, let's look back to the...
Linux Console Capabilities - ...ape character signals the beginning of an escape sequence and changes the processing mode to escape mode.
For example, consider the fo...
What is a Java Package - ...e of the name of a variable.
The following table shows some of the main packages that are include...
Latest "PHP" Articles
Page# 1 (last added articles shown first)
How Programming Languages Work (08/31/2010)
(...) The nouns, verbs, prepositions, and objects discovered in English, for instance, have their counterparts in programming code-or the source code, the actual lines of text that get translated into functioning programs. But software sentences have their own syntax, and the words that make up the languages have their personal precise meanings.
Computer language is a lot more exacting and much more limited than English. (...)
Tips on how to hire a PHP developer (06/17/2010)
(...) With these benefits, it becomes more enticing to hire the PHP developer programmer for PHP. When you hire PHP developer programmer for PHP development with the help of outsourcing is more beneficial than when you hire PHP developer programmer locally for PHP development, as the cost involved in the offshore outsourcing hiring php developer procedure is much more lower & cost-effective method of hiring the expert php expert technicians. Also, it is important to be careful when you hire PHP developer programmer for PHP development, as they need a combination of perfect skills & knowledge. (...)
How to choose a Programming Language for Web Application (05/05/2010)
(...) The PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document. As a general-purpose programming language, PHP code is processed by an interpreter application in command-line mode performing desired operating system operations and producing program output on its standard output channel. PHP can be compiled and tweaked for most any operating system. (...)
PHP Development: Turn Your Website into Multi Featured Web Application (12/10/2009)
(...) The Born of PHP as a web application development language ended up this issue and the era of dynamic (or auto updating sites) has risen since the acceptance of PHP as a web application development language.
Unlike ASP / ASP.Net and JAVA, PHP doesn't require any specified framework to build a web application. (...)
How PHP useful for business and individual (10/27/2009)
(...)
PHP runs on all major operating business, from UNIX variants including Linux, FreeBSD, and Solaris to Windows and Mac OSX. It can be used with all leading web servers, including Apache, Microsoft IIS, and the Netscape/iPlanet servers.
The language is very flexible and pliable to get the grip over it. (...)
Benefits of PHP programmers in freelance programming industry (04/03/2009)
(...) If we compare the running speed between dot net and PHP language then generally PHP gets the beneficial edge, because while running the code, PHP takes its own inbuilt memory space where as dot net (ASP or VB) uses the server space to run the code thus its running speed decreases.
Not only for small business websites, PHP programmer can also organize giant business goals like informative forums, chatting platforms, CRM solutions, e-commerce shopping carts, community websites etc. PHP scripting also takes upper hand in database usability for data storing, serialization, creating web forms, calculating viewers by cookies and sessions, superb file management system, using arrays and Creation of XML scripts for huge number of product list for e-commerce websites. (...)
PHP Date and Time (12/10/2007)
(...) date.php.
How Do I Convert a Date to and from MySQL Format?
Another common question is how to work with dates and MySQL, as MySQL uses its own date format: yyyy-mm-dd. (...)
PHP Random Password (12/10/2007)
(...) 2.0 and upward, you don't have to seed the random number generator as it's done automatically.
This random number is then used to extract a single character from the string of allowed characters by reading the character at the position in the string equal to the random number. (...)
PHP mail (11/10/2007)
(...) 0\n";
$headers .= "Content-type: text/html; charset=iso-8859-1\n";
$headers .= "From: gareth<gareth@myemail. (...)
Common PHP Errors (11/05/2007)
(...)
This error also occurs with braces, {}, for example with the following code:
<?php
for($i=1;$i<10;$i++){
$output = "Current Iteration: " . $i . "<br>";
if($output==5){ echo "This is the fifth iteration";
}
}
}
?>
which will return the error message
Parse error: parse error, unexpected ‘}’ in c:\webserver\test2. (...)
Enter page# 1 (last added articles shown first)