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  • A TDD Journey: 1-Trials and Tribulations

    Test-Driven Development (TDD) has a misleading name, because the objective is to design and specify that the system you are developing behaves in the ways that the customer expects, and to prove that it does so for the lifetime of the system. It isn't an intuitive way of coding but by automating the specifications of a system, we end up with tests and documentation as a by-product. Michael Sorens starts an introduction to TDD that is more of a journey in six parts:

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  • Website filtering for OpenVPN clients

    - by Asche
    I am currently trying to block some websites by their domain names for all the clients of my OpenVPN server. My first idea was to use the /etc/hosts file. But, its effects seem to be limited to the host only and not to be taken in consideration by OpenVPN. I then tried to configure bind9 and to interface it with OpenVPN, but that solution was unsuccessful and uneasy to use. After this, I considered using iptables to drop all the packets from/to those websites but that forum thread made me thought otherwise since iptables' behavior with FQDN may generate complex issues. Have you got a solution to block websites for all clients using an OpenVPN server on which I am root?

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  • Keyword Research - Does it Do Anything For Your Website?

    When it comes to helping a start up online company get off the ground properly and set it on its way to success there are certain actions which can be undertaken and certain services which must be used. The above refer to every step from the web design and web content to the amount of online visibility that specific website gets.

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  • Why Dedicated Servers Make Good Business Sense

    When your company begins the process of creating a website, there are several things you have to keep in mind. One of the first questions is what kind of web hosting service does your business requir... [Author: Shane Watson - Web Design and Development - April 20, 2010]

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  • CoffeeScript - inability to support progressive adoption

    - by Renso
    First if, what is CoffeeScript?Web definitionsCoffeeScript is a programming language that compiles statement-by-statement to JavaScript. The language adds syntactic sugar inspired by Ruby and Python to enhance JavaScript's brevity and readability, as well as adding more sophisticated features like array comprehension and pattern matching.The issue with CoffeeScript is that it eliminates any progressive adoption. It is a purist approach, kind of like the Amish, if you're not borne Amish, tough luck. So for folks with thousands of lines of JavaScript code will have a tough time to convert it to CoffeeScript. You can use the js2coffee API to convert the JavaScript file to CoffeeScript but in my experience that had trouble converting the files. It would convert the file to CoffeeScript without any complaints, but then when trying to generate the CoffeeScript file got errors with guess what: INDENTATION!Tried to convince the CoffeeScript community on github but got lots of push-back to progressive adoption with comments like "stupid", "crap", "child's comportment", "it's like Ruby, Python", "legacy code" etc. As a matter of interest one of the first comments were that the code needs to be re-designed before converted to CoffeeScript. Well I rest my case then :-)So far the community on github has been very reluctant to even consider introducing some way to define code-blocks, obviously curly braces is not an option as they use it for json object definitions. They also have no consideration for a progressive adoption where some, if not all, JavaScript syntax will be allowed which means all of us in the real world that have thousands of lines of JavaScript will have a real issue converting it over. Worst, I for one lack the confidence that tools like js2coffee will provide the correct indentation that will determine the flow of control in your code!!! Actually it is hard for me to find enough justification for using spaces or tabs to control the flow of code. It is no wonder that C#, C, C++, Java, all enterprise-scale frameworks still use curly braces. Have never seen an enterprise app built with Ruby or PhP.Let me know what your concerns are with CoffeeScript and how you dealt with large scale JavaScript conversions to CoffeeScript.

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  • Logo Redesign Service

    Logos are most important part of any company?s identity. It gives a visual identity to a company, in another word it is a symbolic representative, the sight of which recalls about the brand. This sym... [Author: Alan Smith - Web Design and Development - May 27, 2010]

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  • NoSQL MongoDb Overview

    In the current software industry that works around design patterns and OOPs there is a constant battle in converting the data from the database into the objects in the object graph and vice versa. MongoDb is a NoSQL database.  read moreBy prim sDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • NoSQL MongoDb overview

    In the current software industry that works around design patterns and OOPs there is a constant battle in converting the data from the database into the objects in the object graph and vice versa. MongoDb is a NoSQL database.  read moreBy prim sDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Website Designing - Ways to Create Attraction

    In website creation the first and foremost step is to prepare a layout and then decide on the designing features. Many elements are there in a website like sound, images, graphics, flash and so on wh... [Author: Alan Smith - Web Design and Development - May 13, 2010]

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  • Download NDepend Analysis Tool

    - by Editor
    NDepend is a tool that simplifies managing a complex .NET code base. Architects and developers can analyze code structure, specify design rules, plan massive refactoring, do effective code reviews and master evolution by comparing different versions of the code. The result is better communication, improved quality, easier maintenance and faster development. NDepend supports the Code Query Language [...]

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  • GDD-BR 2010 [1E] Android: Effective UI Best Practices

    GDD-BR 2010 [1E] Android: Effective UI Best Practices Speaker: Tim Bray Track: Android Time slot: E [14:40 - 15:25] Room: 1 Level: 201 Download Slides (PDF) Good user interfaces and optimized user experiences are important on any device, but are even more important on mobile devices that have limited screen real estate and are being used by people in a hurry. We'll talk about UI and UX design patterns on Android and how to use them to greatest effect. From: GoogleDevelopers Views: 1 0 ratings Time: 38:16 More in Science & Technology

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  • How to wipe RAM on shutdown (prevent Cold Boot Attacks)?

    - by proper
    My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks. Prior work: https://tails.boum.org/contribute/design/memory_erasure/ http://tails.boum.org/forum/Ram_Wipe_Script/ http://dee.su/liberte-security http://forum.dee.su/topic/stand-alone-implementation-of-your-ram-wipe-scripts Can you please provide instructions on how to wipe the RAM once Ubuntu is shutdown/restarted? Thanks for your efforts!

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  • C# Preprocessor Directives

    - by MarkPearl
    Going back to my old c++ days at university where we had all our code littered with preprocessor directives - I thought it made the code ugly and could never understand why it was useful. Today though I found a use in my C# application. The scenario – I had made various security levels in my application and tied my XAML to the levels by set by static accessors in code. An example of my XAML code for a Combobox to be enabled would be as follows… <ComboBox IsEnabled="{x:Static security:Security.SecurityCanEditDebtor}" />   And then I would have a static method like this… public static bool SecurityCanEditDebtorPostalAddress { get { if (SecurityCanEditDebtorPostalAddress) { return true; } else { return false; } } } My only problem was that my XAML did not like the if statement – which meant that while my code worked during runtime, during design time in VS2010 it gave some horrible error like… NullReferenceException was thrown on “StatiucExtension”: Exception has been thrown by the target of an invocation… If however my C# method was changed to something like this… public static bool SecurityCanEditDebtorPostalAddress { get { return true; } }   My XAML viewer would be happy. But of course this would bypass my security… <Drum Roll> Welcome preprocessor directives… what I wanted was during my design experience to totally remove the “if” code so that my accessor would return true and not have any if statements, but when I release my project to the big open world, I want the code to have the is statement. With a bit of searching I found the relevant MSDN sample and my code now looks like this… public static bool SecurityCanEditDebtorPostalAddress { get { #if DEBUG return true; #else if (Settings.GetInstance().CurrentUser.SecurityCanEditDebtorPostalAddress) { return true; } else { return false; } #endif } }   Not the prettiest beast, but it works. Basically what is being said here is that during my debug mode compile my code with just the code between the #if … #else block, but what I can now do is if I want to universally switch everything to the “if else” statement, I just go to my project properties –> Build and change the “Debug” flag as illustrated in the picture below. Also note that you can define your own conditional compilation symbols, and if you even wanted to you could skip the whole properties page and define them in code using the #define & #undef directives. So while I don’t like the way the code works and would like to look more into AOP and compare it to this method, it works for now.

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  • Are SEO and Flash Incompatible?

    Poor Flash. It has always been an uphill battle for Adobe to get it';s proprietary animation software accepted by developers and manufacturers. Indisputably one of the most elegant and flexible of the... [Author: Kathryn Dawson - Web Design and Development - June 18, 2010]

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  • Offset Forward vector of object based on Rotation

    - by Taylor
    I'm using the Bullet 3D physics engine in a iOS application running openGL ES 1.1 Currently I'm accepting info from the gyroscope to allow the user to "look around" a 3d world that follows a bouncing ball (note: it only takes in the yaw to look around 360 degrees). Im also accepting information from the accelerometer based on the tilt to push the ball. As of right now, to move forward, the user tilts the devise forward (using the accelerometer); to move to the right, the user tilts the devise to the right and so on. The forward vector is currently along it's local Z-axis. The problem is that I want to change the ball bounce based on where the user has changed the view. If I change the view, the ball bounces in the fixed direction. I want to change the forward facing direction so that when a user changes the view (say to the look at the right of the world, the user rotates the device), tilting the devise forward will result in a forward force in that direction. Basically, I want the forward vector to take the rotation into consideration. Sorry if I didn't explain the issue well enough, its kind of confusing to write down.

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  • Quality Aspects of a Web Development Company

    In most cases people have tend to think that both web design and web development is a very easy and simple task and that it does not require much to do. But the truth of the matter is actually that it is not an easy task for it really requires the knowledge of web designing and developing which is highly possessed by the web designers. However, there are a number of things that should be put in place before any web development company come up with a very vital website for any individual or company.

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  • A Powerful Styling Language

    CSS or Cascading Style Sheets is one of the most popular style sheet languages used in the market today. Almost every web experts knows and use CSS to develop their website. However, other than CSS, ... [Author: Margarette Mcbride - Web Design and Development - June 08, 2010]

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  • C# TextBox

    A TextBox control accepts user input on a Form. In this article, I will discuss how to create a TextBox control in Windows Forms at design-time as well as run-time. After that, I will continue discussing various properties and methods available for the TextBox control.

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  • Senior software

    - by Ahmed
    Hello , I'm not sure if this is the place of my question or not I'm working in a software company as senior software engineer , my team leader is controlling everything in the development life cycle, I can't say my opinion in any thing I'm just forced to tasks only without any discussion I can't even apply any design patterns that i see it is better or any UI guidelines Is That is OK in my career position now ? what is the responsibilities of senior engineer ?

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  • The Best And The Worst About Joomla!

    CMS softwares for the web or Web CMS (also known as WCMS) is one of the most popular forms of content management systems used in the market. Although there are other forms of CMS softwares in the mar... [Author: Margarette Mcbride - Web Design and Development - April 13, 2010]

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