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• How to recognize a good programmer?

  - by gius

  Our company is looking for new programmers. And here comes the problem - there are many developers who look really great at the interview, seem to know the technology you need and have a good job background, but after two moths of work, you find out that they are not able to work in a team, writing some code takes them very long time, and moreover, the result is not as good as it should be. So, do you use any formalized tests (are there any?)? How do you recognize a good programmer - and a good person? Are there any simple 'good' questions that might reveal the future problems? ...or is it just about your 'feeling' about the person (ie., mainly your experience), and trying him out? Edit: According to Manoj's answer, here is the question related to the coding task at the job interview.

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• Using implode, explode etc.. on one line vs separating them into multiple lines with meaningful variable names

  - by zhenka

  I see a lot of people coding in PHP being rather proud if they manage to write a complicated one line statement that does clever things. But what is the advantage? It is not only harder to keep in once head while writing, but makes code much less readable. In my opinion reading short statements, if well written, can be like reading an essay, while complicated one liners can potentially make me pause and think for much longer then it would take for the coder to simply separate them into meaningful units. Am I wrong in thinking this? How would you go about proving your point to another programmer regarding this?

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• How to Use the New Task Manager in Windows 8

  - by Chris Hoffman

  The Task Manager in Windows 8 has been completely overhauled. It’s easier-to-use, slicker, and more feature-packed than ever. Windows 8 may be all about Metro, but the Task Manager and Windows Explorer are better than ever. The Task Manager now manages startup programs, shows your IP address, and displays slick resource usage graphs. The new color-coding highlights the processes using the most system resources, so you can see them at a glance. Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos HTG Explains: What Can You Find in an Email Header?

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• How do I set my environment up for TopCoder?

  - by Nils

  I tried out TopCoder today. While I liked the problem, the Java editor didn't work for me. The remote compiling time and the lack of unit tests also made it difficult to complete the task. I ended up coding the solution in Eclipse and the pasting it into the TopCoder window. I tried out EclipseCoder, but it didn't suit my needs either. What tools do you use and how do you hook up your development environment with TopCoder? How does TopCoder handle submissions, and is there any way to speed up the time it takes to process them?

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• WebFX: Running JavaFX as web page

  - by Bruno.Borges

  This weekend I wanted to learn JavaFX, so I decided to code an idea I had a few years ago when I first saw JavaFX Script. So I started coding a web browser that runs HTML with the awesome, HTML5 supported WebView. But this browser also offers one extra feature: it loads FXML files as if they were HTML. So instead of defining your web page with HTML and running with WebKit, you can define a web page with FXML+CSS+JS and run as a JavaFX application. The project is called WebFX and already has a prototype on GitHub. I also uploaded a video on YouTube demonstrating the idea. What do you think about using JavaFX in the future for web pages, instead of HTML?

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• ICAM Webcast Replay and slides

  - by Darin Pendergraft

  On October 10, 2012 Derrick Harcey and I co-presented on how Oracle IDM helps customers address the guidelines of Identity Credential Access Management, from a Federal (FICAM) and a State (SICAM) perspective. If you missed the webcast, here is a link to the replay:  webcast replay link. Derrick did a nice job reviewing the various ICAM components and architectures, and then invited me to provide additional detail on the Oracle technology stack.  He then closed by mapping the ICAM architectures to various components of the Oracle IDM platform. Icam oracle-webcast-2012-10-10 from OracleIDM The next webcast in the Secure Government Training Series, Safeguarding Government Cyberspace will be held Wednesday, November 28th.

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• Is it a good approach to rely on 3rd party software ( not library )?

  - by gunbuster363

  We have program using a call to a winzip program or 7zip commandline tool to zip some files. Once I accidentally uninstall winzip on my computer and making one of our program( created by the programmer already left ) crashed. So we cannot uninstall the winzip program. Now I've come to a point which I need to decide a external tool for gzip in windows or I make a java program which I can call to gzip the file. Obviously a external tool such as 7z is convenient and we can avoid some extra coding with java. On the contrary, if 7z is uninstalled accidentally, our program will crash. What do you think?

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• MVC .Net, WebMatrix talk presentations and webinars

  - by subodhnpushpak

  I presented sessions on MVC .Net and webmatrix. I covered stuff like what’s new in MVC .net and the architecture goodness of MVC pattern. I also demonstrated how MVC 3 / MVC 4 harness HTML 5 / mobile along with Jquery and Modernizr.  PHP coding using MVC and Webmatrix and other advanced stuff like hosting PHP on windows or porting MYSQL Db to MSSQL is also is also part of the demo in the sessions. The slide decks are available at below link and all the demo is recorded and also shared at below link.   WebMatrix View more presentations from Subodh Pushpak.   WebMatrix2 View more presentations from Subodh Pushpak.   The recordings / Demo can be accessed at and If you have any suggestions / ideas / comments; please do post.

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• How do I combine all lines in a text file into a single line?

  - by John

  I want to get all lines in a text into one line. I'm a beginner at coding trying to learn by doing. I've spent four hours trying to solve this problem. I know there's a simple solution to this problem. Here's what I've been trying. sed -e 'N;s/\n//' myfile.txt #Does nothing sed -e :a -e N -e 's/\n/ /' -e ta myfile.txt #output all messed up and I can't make head nor tail of the syntax cat myfile.txt | tr -d '\n' myfile.txt # Deletes all lines Here's the text file: 500212 262578-4-4 23200 GRIFFITH LABORATORIES LTD GRIFFITH LABORATORIES SOUTH DUBLIN COUNTY COUNCIL OFFICE OFFICE (INDUSTRIAL) List Rateable 2 Pineview Industrial Estate Firhouse Road Knocklyon 31 Dec 2007 01 Jan 2008" I can't figure out where I've gone wrong....

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• How come I can not install plugins on my local Wordpress install?

  - by classer

  Hello, I got WordPress up and running fine on Ubuntu 10.04 by using this source except that when I try to update and install themes/plugins I get this following error message in wp-admin page: Installing Plugin: WordPress.com Stats 1.8.1 Downloading install package from http://downloads.wordpress.org/plugin/stats.1.8.1.zip… Unpacking the package… Could not create directory. /var/www/wordpress/wp-content/upgrade/stats.tmp/stats Actions: Return to Plugin Installer At first I thought I had to setup an FTP account but searched more and I found some information that says that I need to change the permissions of the wp-content folder which is located in the directory: /var/www/wordpress/wp-content I tried changing it by doing: sudo chmod -R 777 wp-content/ but when I tried installing a plugin I got the same error message. I also tried passing it 755 as a permission but still got the same thing. I settled on 755 because it is more secure I have read. How can I solve this problem safely and securely?

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• Skills for RAD developer.

  - by Janis Peisenieks

  I am about to embark on an exquisite journey. I have applied for an event, where in span of 48 straight hours, strangers meet, throw around some great ideas, decide on teams, and make a working prototype of IT project. All within 48 hours. I anticipate, that this will be very skill and ability intensive experience, and I want to be prepared. Since i will need to develop my part of the code quickly, I have a following question: What would be the most needed skills for these 48 hours? I do know, that things like proper documentation, version control and such are pretty important for a full fledged application/program/web development, but for this span of frantic coding? Background: I am a web developer, so answers applicable to web development would be more appreciated than others.

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• Continuous integration (with iOS and Android projects)

  - by paxx

  I'm trying to make some positive changes in my company and one of the changes is implementing continuous integration. We do mobile development (iOS/Android) so I need a CI that supports both types of projects. As you can tell I don't know a lot about CI but I've googled a little bit and I think that Jenkins and Hudson are the two most popular. I have a two part questions. Your thought on Jenkins and Hudson? Is there a way for CI to check if the project is compiling to the coding standards (like loose coupling and so on)?

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• Scrollbars: A Retrospective

  - by Jason Fitzpatrick

  It’s easy to overlook the humble scrollbar, a much used but hardly thought about user interface element. This graphic compares scrollbars over the last thirty years. Some of the more modern Windows incarnations are missing but, on account of the Vista/Windows 7 scrollbar looking pretty much like a gray version of the XP one, we’ll forgive them. A full resolution version of the image is available at the link below. Scollbars Through History [via Geeks Are Sexy] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• How was 20Q made?

  - by Dan the Man

  Ever since I was a kid, I've wondered how they made the 20Q electronic game. In this game, which is it's on device, you think of an object, thing, or animal (e.g. a potato or a donkey), once you mentally choose your thing, the device goes through a series of questions such as: Is it larger than a loaf of bread? Is it found outdoors? Is it used for recreation? For each of the questions you can answer yes, no, maybe, or unknown. The way I've always thought of it to work was with immense, nested conditionals (if statements). But, I don't think that would be very likely as it would be terribly difficult to understand while coding it. I'm not looking for a discussion as SE doesn't allow it; I'm looking for concrete knowledge or solutions.

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• Is it safe to have no TOS or PP?

  - by JamerTheProgrammer

  I have coded my own forums from the ground up. I have tried my best to make my code as secure as possible and encrypting everything I can. I want to use this forum for a Minecraft server. I have one concern however.... I would like to setup this forum now but having no TOS or Privacy Policy has put me off. Will having none of either cause me any legal trouble in the unlikely event of a data leakage? Thanks

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• Scenario to illustrate how unit testing leads to better design

  - by Cocowalla

  For an internal training session, I'm trying to come up with a simple scenario that illustrates how unit testing leads to better design, by forcing you to think about things like coupling before you start coding. The idea is that I get the participants to code something first, without considering unit testing, then we do it again, but considering unit testing. Hopefully the code produced second time round should be more decoupled and maintainable. I'm struggling to come up with a scenario that can be coded quickly, yet can still demonstrate how unit testing can lead to better overall design.

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• Movie Poster Colors Over Time

  - by Jason Fitzpatrick

  This spectrograph-like image records tens of thousands of movie posters over the course of a century, showing a steady shift towards posters that emphasize black, purple, and blue color tones. It’s a neat look at how the color tastes of an entire industry shift over time. Vijay Pandurangan had a disagreement with a friend about whether or not movie posters were becoming darker/bluer over time. Rather than simply agree to disagree, he whipped up a piece of code that downloaded and analyzed thousands of movie posters proving that, in fact, there was a slow and steady shift towards darker and bluer posters. Hit up the link below to see the interactive version (and larger!) version of his infographic as well as his explanation of the process and the source code. Colours In Movie Posters Since 1914 [via Flowing Data] HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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• Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

  - by luca-mastro

  I have got a newly bought ASUS N56V with Windows 8 preinstalled. I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully installed Ubuntu 12.10 from a Live USB. The problem is that if i try to access both to Windows 8 (loader) and Windows Recovery System (loader) from the GRUB menu, these two errors show: can't find command 'drivemap' and invalid EFI file path and it goes back to the grub menu. In conclusion I do not have access to my Windows 8 partition but can only use Ubuntu. How can I solve the problem? I am pretty new to the matter. Thank you!

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• downgrade ppa packages to versions available at a previous point in time

  - by Will

  The backstory is that the normal Intel GPU drivers don't do the various OpenGL extensions that my hobby coding and some games want. So I have to install xorg-edgers and then its happy. However, last Wednesday or so there was an update to xorg-edgers - lots of packages - and it broke badly; the drivers lock up and take the whole computer with them; hard reset required. So how can you downgrade - select package versions in a PPA that represent a point in the past, ignoring versions newer than that?

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• Free (Or Cheap) Alternatives For An SSL Certificate For Facebook Apps

  - by mickburkejnr

  In October (from what I remember) Facebook will require HTTPS connections to pages and app's that are hosted away from Facebook. At the moment, it comes up with a popup saying "do you want to turn secure browsing off". I think (as far as I know) that once October comes people won't be able to access these pages any more. Now, I know you have to pay for good SSL certificates. However, for a lot of clients this is just going to be a Facebook page, and not mission critical to their businesses. With this in mind, they may not want to pay for an SSL certificate. I was wondering if there are any free SSL certificates that could do the job? Even if there are no free ones, are there any cheap alternatives? Also, if you do use a free certificate, will it still work in the same way as a paid for certificate?

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• What are the benefits of Android way of "saving memory" - explicitly passing Context objects everywhere?

  - by Sarge Borsch

  Turned out, this question is not easy to formulate for me, but let's try. In Android, pretty much any UI object depends on a Context, and has defined lifetime. It also can destroy and recreate UI objects and even whole application process at any time, and so on. This makes coding asynchronous operations correctly not straightforward. (and sometimes very cumbersome) But I never have seen a real explanation, why it's done that way? There are other OSes, including mobile OSes (iOS, for example), that don't do such things. So, what are the wins of Android way (Activities & Contexts)? Does that allow Android applications to use much less RAM, or maybe there are other benefits?

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• Am I bored with programming? [closed]

  - by user1167074

  I have started programming 2 years back and I have learnt web programming while working for big corporate companies. I was very passionate and I even did couple of side projects which were well appreciated by my friends and colleagues. But for the past 2 months I am not doing anything really interesting with programming, even if I get good ideas I am not feeling like coding, sub consciously I am feeling like "So What?" if I do this project. I would like to know from the more experienced programmers if this is just a phase or am I really missing something? Thanks

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• Solving programming problems or contributing code?

  - by nischayn22

  What are the best skills to develop for a college graduate?? Should one spend hours/days trying to solve problems on codechef or topcoder or contribute code to open source organizations? My personal experience says solving problems teaches you how to make optimal code and learn new programming techniques (which someone else has researched and made available) to solve problems, whereas contributing to open source teaches you how to organize code (so others can work on it), use coding conventions and make "real" use of what you have learnt so far, blah blah!! Also another thing to note is that many companies are hiring today based on one's problem solving skills (Is this something I should worry about?) P.S. I have done little of online problem solving and little of code contribution (via GSoC), but left confused what I should continue doing (as doing both simultaneously isn't easy).

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• C: What is a good source to teach standard/basic code conventions to someone newly learning the language?

  - by shan23

  I'm tutoring someone who can be described as a rank newcomer in C. Understandably, she does not know much about coding conventions generally practiced, and hence all her programs tend to use single letter vars, mismatched spacing/indentation and the like, making it very difficult to read/debug her endeavors. My question is, is there a link/set of guidelines and examples which she can use for adopting basic code conventions ? It should not be too arcane as to scare her off, yet inclusive enough to have the basics covered (so that no one woulc wince looking at the code). Any suggestions ?

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• New York City In LEGO Bricks

  - by Jason Fitzpatrick

  How can you capture all of New York City in LEGO? With a creative mind and the right data. Rather than recreate buildings in detail, designer JR Schimdt used an elevation map of the city and surrounding area to build stacks of LEGO scaled to the city’s building topography. The end result is an eye catching 3D rendition of NYC. Hit up the link below to grab a larger copy. LEGO New York [via Neatorma] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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