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• Why Use PHP on Your Website?

  PHP or the lengthy term known as Hypertext Preprocessor is a programming language used for creating or enhancing webpages. Most common use of PHP is with databases, but it does have many more uses. If you have a website and predict in the future multiple pages being added, PHP may be for you.

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• The term "interface" in C++

  - by Flexo

  Java makes a clear distinction between class and interface. (I believe C# does also, but I have no experience with it). When writing C++ however there is no language enforced distinction between class and interface. Consequently I've always viewed interface as a workaround for the lack of multiple inheritance in Java. Making such a distinction feels arbitrary and meaningless in C++. I've always tended to go with the "write things in the most obvious way" approach, so if in C++ I've got what might be called an interface in Java, e.g.: class Foo { public: virtual void doStuff() = 0; ~Foo() = 0; }; and I then decided that most implementers of Foo wanted to share some common functionality I would probably write: class Foo { public: virtual void doStuff() = 0; ~Foo() {} protected: // If it needs this to do its thing: int internalHelperThing(int); // Or if it doesn't need the this pointer: static int someOtherHelper(int); }; Which then makes this not an interface in the Java sense anymore. Instead C++ has two important concepts, related to the same underlying inheritance problem: virtual inhertiance Classes with no member variables can occupy no extra space when used as a base "Base class subobjects may have zero size" Reference Of those I try to avoid #1 wherever possible - it's rare to encounter a scenario where that genuinely is the "cleanest" design. #2 is however a subtle, but important difference between my understanding of the term "interface" and the C++ language features. As a result of this I currently (almost) never refer to things as "interfaces" in C++ and talk in terms of base classes and their sizes. I would say that in the context of C++ "interface" is a misnomer. It has come to my attention though that not many people make such a distinction. Do I stand to lose anything by allowing (e.g. protected) non-virtual functions to exist within an "interface" in C++? (My feeling is the exactly the opposite - a more natural location for shared code) Is the term "interface" meaningful in C++ - does it imply only pure virtual or would it be fair to call C++ classes with no member variables an interface still?

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• Why do so many people dislike C++?

  - by General K

  Beginners and professional, on blogs, in forums and chatrooms - people say it everywhere: C++ oh dear god no The short form of the question: For what reason is C++ so widely disliked and people are horrified by the imagination of using it for some project? I have been using a lot of different languages, including C++ by now, and I can only say that I really like it. I'm far more horrified by Delphi than by C++. Actually, I find it's an almost perfect, compiled language! I've been doing a lot of different projects in C++ as well, ranging from 3D video games to webservers and emulators for old video game consoles. And I still do not see the problem everyone else seems to have with it! It was hard for me to get into it of course, as it is quite complex and has a lot of depth, but after that it's simply great.

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• What is occurring in the world of server-side technologies in regards to the mobile app boom?

  - by Akromyk

  With mobile technologies becoming increasingly popular what is happening on the server-side with most of these apps when they need to communicate with a back end? I'm used to the world of technology from 10 years ago when most resources were accessed by requesting a dynamic web page that behind the seen used a server-side language to get the information it needed from a relational database. Is this still the case, and if not, what are the big changes?

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• How to write a real time data acquisition program [closed]

  - by Tosin Awe

  I have to write a program in assembly language that will monitor temperature continuously, and I have no idea where to begin. The temperature must be displayed in BCD format, and the high and low set points will be programmed into the system. if the set points are exceeded then an alarm will be indicated. The low point is 20 degrees Celsius, and the high point is 24 degrees Celsius. Can somebody give me some hints on how to complete this task?

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• Is it smart to take a year off from school to get experience?

  - by user134147

  firstly I apologize if this question is not appropriate for the site, but I've seen other similar (though slightly deviant) questions on this sight before and I know the people here are the most qualified to answer my question. Anyways, I'm currently between my sophomore and junior years at a 4 year university, and after a bit of deliberation I've decided on computer science as a major (BA, by the way, as a BS would require me to stay at least an extra year the way our program is set up). I've been interested now in programming for a few months and I've developed a passion for it in a very short time. I began learning C++, migrating to Java recently when I learned my school focuses on this language. Now, I should mention that the concept of higher education has never sat well with me, so part of my motivation for wanting to take time off is to truly challenge myself and see what I can accomplish when I actually try at something. The autodidact in me finds it difficult to focus on my passions while trying to keep a high GPA in unrelated classes. However, I understand the times we live in and therefore would plan to complete my degree after this year. So my question is whether or not the skills I learn in a year off from college could justify the time off from school. Unfortunately, I don't believe I know enough yet to gain any professional experience (internship, etc.) so I would mostly focus my time on learning Java and another language, possibly Wordpress (to gain an understanding of web programming concepts as I have not yet decided what field I want to get into, and to make some money to fund my off-year), and to delve into security concepts, which also interest me. I'm hoping I could work on projects, such as simple applications or contributions to open source software during this time to enhance my resume once I do finish school, so I can find a job out of college easier. I do not want to be the new hire who knows nothing beyond the concepts of his Java textbooks. Does anyone have any input about these thoughts of mine, or any ideas for where I should focus my studies or how high I might set the bar for my work? Thanks a lot everyone!

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• How can I install the Realtek RTL8111E version 8168 driver?

  - by Unknown_Fool

  I downloaded and extracted the latest Linux driver version from Realtek. I read the readme file and it instructed me to run ./autorun.sh as root. I did that. It compiled the driver for my kernel, removed the old default module, but then it fails to install the new 8168 module. It claims that it can't be found. Can this driver be installed manually? Is there a way to fix autorun.sh so it can install properly?

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• CSS As Tableless Web Design

  CSS is one of the most widely used style sheet language since the end of the table website design regime. According to several experts, such as those from Web design Philippines companies, the use of... [Author: Margarette Mcbride - Web Design and Development - April 27, 2010]

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• Benefits and Future of Web Applications

  A web application is an application that is contacted in excess of a network such as the Internet or an intranet. The term should also mean a computer software application that is hosted in a browser-controlled environment or coded in a browser-supported language and dependent on a frequent web browser to provide the application executable.

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• Another Link in the SEO Chain

  External links, reciprocal linking, search engine optimisation... It's enough to spin the heads of those not up to date with web development language. However, if you have a business website and you want to achieve listings on the first few pages (and hopefully the top 10) of Google, you'd better start to pay attention!

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• Why Are PHP Scripts Required?

  PHP, which is a short form of Hypertext Preprocessor, mostly is used to develop dynamic websites. It's a very helpful scripting language through which you can give a new form and look to your various links.

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• Are there any conceptual drawbacks to building a web app with C++ and MySQL?

  - by jnthnclrk

  I've inherited a pretty interesting project where there is a good opportunity to take an existing piece of software and turn it into a SaaS web app. As the project is inherited, the code base/ framework is already defined as C++ and MySQL. The app itself is compiled and run as an EXE on Windows Server. The UI is web based and the app works as a kind of server. From what I do know of modern web apps, this is perhaps an unusual choice. These days, most people seem to opt for a PHP framework or Ruby on Rails. Certainly that is the impression I get from reading blogs on the subject. So, I'm very interested to know if a C++ EXE backed by MySQL is a solid foundation for a web app, or whether we should be looking to build in another way?

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• The Style Sheet Languages Of Then And Now

  One of the most popular style sheet language used across the industry of web designing today is CSS (Cascading Style Sheets). It was once known as the "tableless web design" because it was the only s... [Author: Margarette Mcbride - Web Design and Development - May 17, 2010]

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• Optimizing Your Sales Page the Right Way

  In this article, I will explain how it is sometimes more important to write a page with the people in mind, how they think, feel and react than to have it optimized for the mere purpose of drawing traffic. Having sales pages in your online business or website is the main moneymaker for your business. So it is important to have the copy on that page to be as congruent to the language of the people you are selling to.

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• C++ Without Source Files

  - by Snowman

  Bjarne Stroustrup mentions in his book "The C++ Programming Language, 4th Edition" that not all C++ implementations use files to store and compile code: There are systems that do not store, compile, and present C++ programs to the programmer as sets of files. (Chapter 15, page 419) Later in the chapter, he reiterates that certain implementations do not use files but he does not give any examples. How would such an environment function compared to a more common file-based environment?

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• Ideas for pet concurrent applications [closed]

  - by DJoyce

  As part of research I am doing into functional concurrent programming, I am looking to develop a prototype business application (or otherwise), that requires and supports parallelism. So I will first develop this application in java 7, followed by scala and then clojure while demonstrating the concurrent support in each language. However, I am a little short on suitable ideas and therefore i'm hoping I can get some good, interesting ideas on this thread. Thanks!

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• Is IronScheme complete enough or stable enough to be worth learning?

  - by World Engineer

  IronScheme is mentioned on Wikipedia as a successor to a failed project called IronLisp, bringing Lisp to CLR and .NET, the way Clojure does for the JVM. Does anyone have experience with this language? It looks fairly complete (99%) but I'm not sure how to judge whether it's worth my time to fiddle with getting it set up or not. By stable or complete, I mean using it for actual projects rather than just fiddling with tools and Project Euler style problems.

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• How could I go about creating bespoke automated e-mails?

  - by Seraphina

  I'd like some suggestions as to how to best go about creating an application which can generate bespoke automated e-mails? What sort of language would be the best one to use for this? (I'm currently familiar with Python and JavaScript) Any helpful frameworks? I would have thought that for this application to work well, some machine learning would have to be incorporated? (But this may be a bit too advanced for me at the moment!)

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• MySQL Data Manipulation and Query Statements

  The Data Manipulation Language (DML) includes the major commands, INSERT, UPDATE, DELETE, and SELECT...INTO. Today's article focuses specifically on the uber-useful INSERT, UPDATE, DELETE, and SELECT statements.

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• MySQL Data Manipulation and Query Statements

  The Data Manipulation Language (DML) includes the major commands, INSERT, UPDATE, DELETE, and SELECT...INTO. Today's article focuses specifically on the uber-useful INSERT, UPDATE, DELETE, and SELECT statements.

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• Website Building and the Basics

  If you want to build your website yourself there is bound to be a certain amount of a learning curve. HyperText Markup Language (HTML) is the code you'd need to learn if you're going to start from scratch.

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• Disallowed images in the robots.txt of my Joomla site can't be displayed when shared in Facebook

  - by opk

  I have noticed that since I have disallowed images using the robots.txt in my Joomla site, when sharing an article in Facebook, the image will not be displayed. Why is that? Is it indeed related? My robots.txt file: User-agent: * Disallow: /administrator/ Disallow: /cache/ Disallow: /cli/ Disallow: /components/ Disallow: /images/ Disallow: /includes/ Disallow: /installation/ Disallow: /language/ Disallow: /libraries/ Disallow: /logs/ Disallow: /media/ Disallow: /modules/ Disallow: /plugins/ Disallow: /templates/ Disallow: /tmp/

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• How to get VMware Workstation 8.0.4 work on Ubuntu 12.04 64 bit?

  - by user73987

  I've bought VMware Workstation 8 just today. After the installation I launched it and the application noticed me that "several modules must be compiled and loaded into the running kernel". During the process, VMware noticed me that was impossible to configure Virtual Network Devices and at the end, was impossible to start the services. The last message said that further information could be found at this address: /tmp/vmware-root-975001794/modconfig-22789.log So, I've pasted the content of the log message here. Can you help me or, rather, you suggest to wait for future updates of Ubuntu? My desktop environment is Unity.

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• Outsource Web Application Development Services

  There are various web application development languages that are different in techniques, tools and methods. Choosing a language for web development among others is a meticulous task for a web developer as different web applications does different types of tasks...

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• "Never do in code what you can get the SQL server to do well for you" - Is this a recipe for a bad design?

  - by PhonicUK

  It's an idea I've heard repeated in a handful of places. Some more or less acknowledging that once trying to solve a problem purely in SQL exceeds a certain level of complexity you should indeed be handling it in code. The logic behind the idea is that for the large majority of cases, the database engine will do a better job at finding the most efficient way of completing your task than you could in code. Especially when it comes to things like making the results conditional on operations performed on the data. Arguably with modern engines effectively JIT'ing + caching the compiled version of your query it'd make sense on the surface. The question is whether or not leveraging your database engine in this way is inherently bad design practice (and why). The lines become blurred further when all the logic exists inside the database and you're just hitting it via an ORM.

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