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PHP Variables - 2007-10-01

While working with any language we make use of variables. Variables are used to store values and reuse them in our code. We use different types of variables in our code such as strings (text), integers (numbers), floats (decimal numbers), boolean (true or false) and objects. In PHP we can make use of variable while writing scripts. In this lesson we're going to cover PHP variables.


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PHP Strings - 2007-09-27

In programming, a string is a sequence of letters, symbols, characters and arithmetic values or combination of all tied together in single or double quotes. For example, "I Love PHP", "10", '100.01', "", etc are all examples of strings.


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Everything you need to know about connecting to your server securely using SSH and public/private keys. This makes it so it is nearly impossible for someone to steal your password.


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Most interactive websites nowadays would require a user to log in into the website’s system in order to provide a customized experience for the user. Once the user has logged in, the website will be able to provide a presentation that is tailored to the user’s preferences.


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This article describes the fundamentals of objects and classes in PHP V5, from the very basics through to inheritance, for experienced object-oriented programmers and those who have not yet been introduced to objects.


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David looks at four open source development environments for working with Python code on Unix-like operating systems. He evaluates two general-purpose editors/environments and two Python-specific ones, and compares the merits of each.


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As a system programmer, you habitually work with command-line interfaces. Perhaps you've lost track of how easy it can be to wrap existing functionality with a lightweight graphical user interface (GUI). New Perl/Tk releases make it timely to remember that sometimes high quality accompanies ease of use.


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With the installer usually the first part of an application that a user sees, why is software installation such a notoriously buggy procedure? This month, in The cranky user column, Peter chronicles the ups and downs of installation, from the golden era of the floppy disk to the rise of the standard installer. He also offers some user-centered advice on building installers that work the way users want them to.


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Perl is one of the most popular languages out there, and is used for everything from mission-critical projects to Web applications to "glue." It is not, however, often used for GUI programming and prototyping. Philipp K. Janert thinks it should be, and you probably will too -- after this look at some of the more complex widgets available for Perl/Tk.


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As with its sister project, ZSI, SOAPpy has enjoyed a recent increase in activity and is now in version 0.11.3. This version includes WSDL support and many other improvements. Uche Ogbuji and Scott Archer try out this new version with the same complex Web service they tried accessing with ZSI 1.4.1 and ran into a different set of difficulties.


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