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• What should a Python developer know while learning Ruby?

  - by C J

  I have been a Python programmer for about 18 months, consisting of one internship and a few side projects, and I consider myself pretty comfortable in the language. However, there seems to be a lot of attention on Ruby in the programming field, but not a lot on Python anymore. So in learning Ruby, are there going to be Pythonic things that are just bad practices in Ruby? What should I watch out for, and what should I avoid?

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• Why CSS Is Better Than Table Designs

  In the past, websites were made through the use of tables. Today, most websites are built through the use of style sheet languages. One of the most popular style sheet language used in the market tod... [Author: Margarette Mcbride - Web Design and Development - May 03, 2010]

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• Why hasn't C# gained much traction within the opensource community?

  - by tmitchel2

  I'm not expecting C# to be on par with say Java or Python in the open source community, but it still surprises me just how far behind it is. 'Multi language' open source repos like google code or github have barely any C# projects in comparison to the other languages I mentioned. I'd like to see C# and .Net shake off that slight corporate feel and move more into the open source arena but I just can't see that happening. I'd be interested to hear peoples opinion on why this might be?

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• How to run a command in a process that is not a child of the current process?

  - by amicitas

  I am having a library conflict issue with calling an external program from within a interpreted programming environment (IDL). The issue seems to be that since the program I am calling ends up as a child of IDL, libraries are not being reloaded. From within IDL I can launch sub-processes either directly or using a shell. Is there a good way that I can cause my program to be run without ending up as a child process? The only solution I have found so far is to use ssh localhost my_program. This works perfectly but I would like a more direct solution.

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• The Power Of XSL Compared To CSS

  CSS or Cascading Style Sheets is one of the most popular style sheet language used in the market today. This is mainly because of its ease of use as well as with its simplicity which is why CSS was o... [Author: Margarette Mcbride - Web Design and Development - May 17, 2010]

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• Google I/O Sandbox Case Study: MobileASL

  Google I/O Sandbox Case Study: MobileASL We interviewed MobileASL at the Google I/O Sandbox on May 11, 2011 and they explained to us the benefits of developing their accessibility applications on the Android platform. MobileASL is a video compression project that aims to make sign language communication on mobile phones a reality. For more information on Accessibility Developers, visit: google.com For more information on MobileASL, visit: mobileasl.cs.washington.edu From: GoogleDevelopers Views: 14 0 ratings Time: 01:57 More in Science & Technology

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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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• 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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• Apache Bench length failures

  - by Laurens

  I am running Apache Bench against a Ruby on Rails XML-RPC web service that is running on Passenger via mod_passenger. All is fine when I run 1000 requests without concurrency. Bench indicates that all requests successfully complete with no failures. When I run Bench again with a concurrency level of 2, however, requests start to fail due to content length. I am seeing failures rates of 70-80% when using concurrency. This should not happen. The requests I am sending to the web service should always results in the same response. I have used cURL to verify that this is in fact the case. My Rails log is not showing any errors as well so I am curious to see what content Bench actually received and interpreted as a failure. Is there any way to print these failures?

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• Kind of lost, and I don't know where to start

  - by Rasheed Mehrinfar

  I am 16-year-old who's always been interested in the world of programming. I was wondering if anyone could point me in the right direction in what language I should learn first, and possibly suggest any good tutorials/ guides to learn from. Also, do you think it's worth it to kinda of "play around" and get familiar with a program like 3ds max, as my goal is to work in the gaming industry. Or would that just be a waste of time?

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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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• 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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• C is number one!

  <b>Cyber Cynic:</b> "What I didn't know was that, old as it is, C has actually maintained more of its popularity than I had thought and that it's now once more the number-one programming language in the world."

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• Website Development - JavaScript Introduction

  When dealing with website development, there is lots of scripting language that you can choose from depending on how you want to develop your website. You can use AJAX, HTML, CSS. Flash, Illustrator and a lot of other scripting languages that are commonly used nowadays.

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• WINAPI window management question

  - by gekod

  I'm learning to develop windows applications using WINAPI and plain C. Now I got a bit confused with all those handles and would like to ask if you guys could teach me some good practices to structure and handle controls and windows. Here's where I get confused: Using the IDs declared in the resources for each object, we can get their handles using GetDlgItem(). Now what if we don't know their parent, which is needed by this function. One example: We have the main window created at launch. Then we register two new window classes and create a window for each new class and we create a message function for each too. Now if inside one of the children windows I create a button and inside the other child window I create a text label. Now when we click the button inside of child window A the label in child window B shall be modified to whatever. The WM_COMMAND for the button is interpreted inside the message loop for child window A. Now what would be the best and more elegant way to access the text label inside the child window B? I am in the process of learning the WINAPI and just want to learn it right from the start instead of producing Hacked code that someday becomes unreadable and to later have to adapt to a new way of programing.

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• Non-Standardized Style Sheet Languages

  CSS (Cascading Style Sheets) and XSL (Extensible Stylesheet Language) are considered as the standard style sheet languages used in web development. However, other than CSS and XSL, there has also bee... [Author: Margarette Mcbride - Web Design and Development - May 04, 2010]

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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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• 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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• 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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• Why hasn't C# gained much traction within the opensource community?

  - by tmitchel2

  I'm not expecting C# to be on par with say Java or Python in the open source community, but it still surprises me just how far behind it is. 'Multi language' open source repos like google code or github have barely any C# projects in comparison to the other languages I mentioned. I'd like to see C# and .Net shake off that slight corporate feel and move more into the open source arena but I just can't see that happening. I'd be interested to hear peoples opinion on why this might be?

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• Lessons on development of 64-bit C/C++ applications

  The course is devoted to creation of 64-bit applications in C/C++ language and is intended for the Windows developers who use Visual Studio 2005/2008/2010 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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• Want to make RTS strategy game, good starting point...?

  - by NOLANDI

  everybody! I find this community because I did research about game developing topics. So I decide to register on this community and ask for your opinion. I am not begineer in computer stuffs, and I know logic of programming language. I have little knowlegde of C, C++, Started to learn C#...but I was always oriented about other areas of IT. Amateur for game making but not in IT general! I am interested to make RTS strategy video game, isometric camera view (like PC GAME COMMANDOS for example)...so I started to read many books about DirectX, XNA, OpenGL, C#, AI programming...so I want to know where is good starting point for making this game genre. I want to use C# for this project, not C++, since I always had trouble with it, because it is too complicated. I see good oportunity for learning C#, since it has more object-oriented concept, with much less code and easy readible code for writing. Beside of that I know that C++ is the more powerful language until today. So I want to use DirectX and C# for my project. But it will required more time for sure, to learn it. I have trouble with finding books for c# & DirectX (I found just one), but in every next book, it is programming in c++! I read many web sites and they mentioned Slim DX, and in generaly, other articles which I read tells that it is possible to make good game with combination c# and directX, but...I don't have enough information about all this stuffs, so I became confused! It is really hard to have wish to learn c++ from scratch, since I started c# and I like it really...I don't try OpenGL, but I am already familiar with DirectX (some beginning stuffs), and I think that it is good and interesting. So, I decide to choose between maybe Unity3d and XNA first. XNA...hm, it sound that it is not bad solution, but I heard that it is already overcome technology, and I think that it is better to wait with XNA, until I try to make something with DirectX and C#, at first. But I dont know it is possible to make strategy game in XNA?! Maybe I am wrong. I also, find Unity 3D game engine and I find that I could programming there in C#, but many all examples are written in Javascript (Digital tutors videos)...But I generaly have wish to learn it too, because it allows to export games to mobile phones, there a lot of documentations, it is free, etc... I want to find best way to learn C# and DirectX, and make this game, but I dont know if it's possible to combine?! But maybe is good to first try Unity and XNA, because I am beginner?! Thank you all! I am willing to hear your expirience.

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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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