Cloud

Gate One 1.1 Released: Run Vim In Your Browser 150

Riskable writes "Version 1.1 of Gate One (HTML5 terminal emulator/SSH client) was just released (download). New features include security enhancements, major performance improvements, mobile browser support, improved terminal emulation, automatic syntax highlighting of syslog messages, PDFs can now be captured/displayed just like images, Python 3 support, Internet Explorer (10) support, and quite a lot more (full release notes). There's also a new demo where you can try out vim in your browser, play terminal games (nethack, vitetris, adventure, zangband, battlestar, greed, robotfindskitten, and hangman), surf the web in lynx, and a useful suite of IPv6-enabled network tools (ping, traceroute, nmap, dig, and a domain name checker)." Gate One is dual licensed (AGPLv3/Commercial Licensing); for individuals, it's pay-as-you-please.
Programming

Ask Slashdot: Is Going To a Technical College Worth It? 309

First time accepted submitter blandcramration writes "I have recently decided to further my education with a technical school associates degree. I am a first quarter student in my third week as an IT student. I have taught myself Python and have been working with computers for over 10 years. We've been learning C++ and though my instructor appears to know how to program, he doesn't really understand the procedure behind the veil, so to speak. In a traditional learning environment, I would rather learn everything about the computer process rather than fiddle around with something until I figure out how it works. I can do that on my own. I think the real issue is I'm not feeling challenged enough and I'm paying through the nose to go to school here. Am I even going to be able to land a decent job, or should I just take a few classes here and move on to a traditional college and get a computer science degree? I'm much more interested in an approach to computer science like From NAND to Tetris but I feel as if I should get a degree in something. What are your thoughts?"
Open Source

The Growth of Google Summer of Code 20

I recently sat down with Chris DiBona to talk about the 15th anniversary of Slashdot. In addition to discussing the joys of heading an email campaign against spamming politicians, and the perils of throwing a co-worker's phone into a bucket, even if you think that bucket is empty, we talked about the growth of Google Summer of Code. Below you'll find his story of how a conversation about trying to get kids to be more active with computers in the summer has led to the release of 55 million lines of code.
IOS

Ask Slashdot: Best Approach To Reenergize an Old Programmer? 360

StonyCreekBare writes "I started out programming in Z80 assembler in the 1970s. Then I programmed in Pascal. Then x86 Assembler in the early '90s. Over time I did a smattering of C, Basic, Visual C++, Visual Basic, and even played at Smalltalk. Most recently I settled on Perl, and Perl/Tk as the favorite 'Swiss army Chainsaw' tool set, and modestly consider myself reasonably competent with that. But suddenly, in this tight financial environment I need to find a way to get paid for programming, and perl seems so 'yesterday.' The two hot areas I see are iOS programming and Python, perhaps to a lesser extent, Java. I need to modernize my skill-set and make myself attractive to employers. I recently started the CS193P Stanford course on iTunesU to learn iPad programming, but am finding it tough going. I think I can crack it, but it will take some time, and I need a paycheck sooner rather than later. What does the Slashdot crowd see as the best path to fame, wealth and full employment for gray-haired old coots who love to program?"
Python

Python 3.3.0 Released 131

An anonymous reader writes "After just over a month of release candidates, the final version of Python 3.3 launched today. This version includes new syntax, including the yield from expression for generator delegation; new library modules, including fault handler (for debugging crashes), ipaddress, and lzma (for data compression using the XZ/LZMA algorithm); a reworked OS and I/O exception hierarchy; the venv module for programmatic access to Python virtual environments; and a host of API changes. The full list of features and the change log are both available."
Software

Google Blocks Author's Ads For Offering Torrent Of His Own Book 130

An anonymous reader points out the recent trouble of author Cody Jackson, who wrote a book called Learning to Program with Python. He offers the book for sale, but also gives it away for free, and he used the CC-BY license. In order to distribute the book, he posted links to his torrent of it. Unfortunately, this cause Google to suspect his AdSense account for his website. Even after removing the links, he was unable to get in contact with Google's AdSense team to get his accounts restored. After his story was picked up yesterday by Techdirt, somebody at Google "re-reviewed" his case and finally reinstated his account. Jackson had this to say: "One good thing about this is that it has helped raise awareness of the problems with corporate copyright policies and copyright regulation as a whole. When a person is unable to post his/her own products on the 'net because someone fears copyright infringement has occurred, there is a definite problem." This follows a few high-profile situations in which copyright enforcement bots have knocked down perfectly legitimate content.
Programming

Ask Slashdot: Taming a Wild, One-Man Codebase? 151

New submitter tavi.g writes "Working for an ISP, along with my main job (networking) I get to create some useful code (Bash and Python) that's running on various internal machines. Among them: glue scripts, Cisco interaction / automatization tools, backup tools, alerting tools, IP-to-Serial OOB stuff, even a couple of web applications (LAMPython and CherryPy). Code has piled up — maybe over 20,000 lines — and I need a way to reliably work on it and deploy it. So far I used headers at the beginning of the scripts, but now I'm migrating the code over to Bazaar with TracBzr, because it seems best for my situation. My question for the Slashdot community is: in the case of single developer (for now), multiple machines, and a small-ish user base, what would be your suggestions for code versioning and deployment, considering that there are no real test environments and most code just goes into production ? This is relevant because lacking a test environment, I got used to immediate feedback from the scripts, since they were in production, and now a versioning system would mean going through proper deployment/rollback in order to get real feedback."
Supercomputing

Apple iPad 2 As Fast As the Cray-2 Supercomputer 231

An anonymous reader writes "Presenting at the IEEE High Performance Extreme Computing conference, a researcher from the University of Tennessee presented evidence that the iPad 2 is as fast as the original Cray-2 supercomputer. Performance improvements were made to the iPad 2 LINPACK software by writing Python for generating and testing various Assembly routines. The researcher also found that the ARM Cortex-A9 easily beats the NVIDIA/AMD GPUs and latest Intel/AMD workstation CPUs in performance-per-Watt efficiency."
Education

University Team Builds Lego and Raspberry Pi Cluster 147

hypnosec writes about a neat little hack using Lego, Raspberry Pis, and Scratch to construct a "supercomputer." From the article: "A team of computational engineers over at the University of Southampton led by Professor Simon Cox have built a supercomputer using Raspberry Pi and Lego. The supercomputer is comprised of 64 processors, 1TB of storage (16GB SD cards in each of the Raspberry Pis) and can be powered on using just a single 13-amp mains socket. MPI is used for communications between the nodes through the ethernet port. The team managed to build the core of the supercomputer for under £2500. Named 'Iridis-Pi' after University of Southampton's supercomputer Iridis, the supercomputer runs software that was built using Python and Scratch. Professor Cox used the free plug-in 'Python Tools for Visual Studio' to develop code for the Raspberry Pi." Lots of pictures of the thing, and a howto on making your own.
IOS

Will Developers Finally Start Coding On the iPad? 463

An anonymous reader writes "It's not so long since Apple silently dropped the restriction about iOS apps for programming — iPad owners can now code in Lua with Codea or with Python for iOS. Yesterday, a new app called Kodiak PHP brought another IDE to the iPad, this time for PHP coders. Pandodaily's Nathaniel Mott describes it as a full-blooded software development tool with comparison to other iOS apps. Cult of Mac reports that the demise of the Mac might be closer than we think, but are developers really ready to use the on-screen keyboard to do some serious work?"
Education

Will Online Learning Disrupt Programming Language Adoption? 193

theodp writes "Back in the day, getting traction for a new programming language was next to impossible. First, one needed a textbook publishing deal. Then, one needed a critical mass of CS profs across the country to convince their departments that your language was worth teaching at the university level. And after that, one still needed a critical mass of students to agree it was worth spending their time and tuition to learn your language. Which probably meant that one needed a critical mass of corporations to agree they wanted their employees to use your language. It was a tall order that took years if one was lucky, and only some languages — FORTRAN, PL/I, C, Java, and Python come to mind — managed to succeed on all of these fronts. But that was then, this is now. Whip up some online materials, and you can kiss your textbook publishing worries goodbye. Manage to convince just one of the new Super Profs at Udacity or Coursera to teach your programming language, and they can reach 160,000 students with just one free, not-for-credit course. And even if the elite Profs turn up their nose at your creation, upstarts like Khan Academy or Code Academy can also deliver staggering numbers of students in a short time. In theory, widespread adoption of a new programming language could be achieved in weeks instead of years or decades, piquing employers' interest. So, could we be on the verge of a programming language renaissance? Or will the status quo somehow manage to triumph?"
Book Reviews

Book Review: Core Python Applications Programming, 3rd Ed. 65

thatpythonguy writes "Core Python Application Programming is the latest addition to a growing corpus of literature serving a growing number of Python programmers and engineers. This Prentice Hall book of 800+ pages covers some traditional areas and touches upon some new ones. I typically do not spend much time speaking about the author of the books that I review; however, this occasion warrants an exception. And it is not because Wesley Chun used Python over a decade ago to build the address book and spell-checker for Yahoo! Mail nor is it because he holds a minor degree in music from UC Berkeley in classical piano. Rather, it is because he is both an engineer and an instructor. In other words, he was not pulled from his geek duties and asked to become a pseudo-writer; he already does that for his consulting practice, authoring (or co-authoring) several books and articles on Python (including "Python Web Development with Django") as well as starring in his own training video (entitled "Python Fundamentals"). The result of that experience is a writing style that is technically sound, yet accessible." Keep reading for the rest of Ahmed's review.
Data Storage

Resurrect Your Old Code With a DIY Punch Card Reader 100

First time accepted submitter mchnz writes "Need to read in some old punch cards? Have a hankering to return to yesteryear? I've combined an Arduino, the CHDK enhanced firmware for Canon cameras, and the Python Image Library to build a reader for standard IBM 80 column punch cards. You can see it in action in "Punch Card Reader — The Movie" or read more about it." This is an inspiring, intimidating project.
Book Reviews

Book Review: Head First Python 72

Michael J. Ross writes "Veteran computer programmers — adept with languages such as PHP, Perl, and JavaScript — typically have no trouble learning an additional language, often just by reading online tutorials and stepping through sample code. But for those new to programming, that approach can prove difficult and frustrating. Yet nowadays there appears to be growing interest among such people for learning how to write programs in Python, especially as it is seeing increasing use by Google and other organizations, and is often chosen as the primary teaching language in schools. For such budding programmers, one possible starting point is the book Head First Python." Read on for the rest of Michael's review.
Python

Is Python a Legitimate Data Analysis Tool? 67

Back in May we discussed using Python, R, and Octave as data analysis tools, and compared the relative strength of each. One point of contention was whether Python could be considered a legitimate tool for such work. Now, Bei Lu writes while Python on its own may be lacking, Python with packages is very much up to the task: "My passion with Python started with its natural language processing capability when paired with the Natural Language Toolkit (NLTK). Considering the growing need for text mining to extract content themes and reader sentiments (just to name a few functions), I believe Python+packages will serve as more mainstream analytical tools beyond the academic arena." She also discusses an emerging set of solutions for R which let it better handle big data.
Software

Canonical Announces Ubuntu App Showdown 56

alphadogg writes "Linux developers will soon have a chance to compete for prizes of laptops and smartphones, thanks to Canonical's announcement this week of the Ubuntu App Showdown contest. Developers will have from June 18 until July 9 — a total of three weeks — to create an app using Canonical's Quickly development tool, which combines Python and GTK into a single Ubuntu-centric package. The resulting apps will be judged by a five-member panel, with the developers of the top three receiving new Nokia N9 smartphones."
Google

Google Blockly — a Language With a Difference 141

mikejuk writes "There are aspects of Google that increasingly don't make sense. First they dump App Inventor — a graphical language for Android apps — in a fit of spring cleaning and closures — and now they have launched another Scratch-like graphical language, Blockly. However Blockly is different. It works like Scratch or App inventor but it is written in JavaScript. This means it can be included in any web page or web app very easily. This, in turn, means that it can be used for education, getting people to learn to program, or as an easy-to-use script generator for the app. The FAQ gives the example of automating GMail filters and management. The additional difference is that Blockly can compile its programs to JavaScript, Dart or Python so you can take the script and develop it further. This is a really good idea. As long as Google doesn't throw this one out in a fit of reorganization and spring cleaning, it's a welcome new language."
Networking

Samba 4 Enters Beta 170

rayk_sland writes "Progress is being made on the long awaited Samba 4 release. On Tuesday the Samba 4 team announced their first beta. Those of us who refuse to have a closed-source server at the core of our networks will be encouraged to see this milestone. Here are a few of the new features: 'Samba 4.0 beta supports the server-side of the Active Directory logon environment used by Windows 2000 and later, so we can do full domain join and domain logon operations with these clients. ... Samba 4.0 beta ships with two distinct file servers. We now use the file server from the Samba 3.x series 'smbd' for all file serving by default. For pure file server work, the binaries users would expect from that series (nmbd, winbindd, smbpasswd) continue to be available. Samba 4.0 also ships with the 'NTVFS' file server. This file server is what was used in all previous alpha releases of Samba 4.0, and is tuned to match the requirements of an AD domain controller. We continue to support this, not only to provide continuity to installations that have deployed it as part of an AD DC, but also as a running example of the NT-FSA architecture we expect to move smbd to in the longer term. ... Finally, a new scripting interface has been added to Samba 4, allowing Python programs to interface to Samba's internals, and many tools and internal workings of the DC code is now implemented in python.'"
Programming

Light Table IDE Finds Funding Success 94

omar.sahal writes "Chris Granger's Light Table IDE, covered here previously on Slashdot, has been successfully funded by a Kickstarter campaign. 7,317 backers brought in $316,720, obliging Chris to support the Python Programming language with his first release. Chris and his team have also been successful in being funded by Y Combinator. Here's some more background (video) on the concepts developed by Bret Victor found in Light Table.
Education

Barter-Based School Catching On Globally 118

sethopia writes "In 2010, three people had the crazy idea to start a school where the teachers teach whatever they want and the students pay for classes with whatever teachers need — cutlery, art, advice — but never with money. Trade Schools have been popping up around the world and are now active in 15 cities and 10 countries, with almost no prodding from its founders. Caroline Woolard, one of the founders, discusses the challenges and opportunities of adapting their idea to an international audience and making the Trade School software — based on Python and Django — great."

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