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• Google Closure Compiler - what does the name mean?

  - by mikez302

  I am curious about the Google Closure Compiler. Why did they name it that? Does it have anything to do with lexical closures? EDIT: I tried researching it in the FAQ and documentation, as well as doing Google searches such as "closure compiler name". I couldn't find anything definite, hence the reason I am asking. I don't think I will get a profoundly helpful answer but I was hoping that I could at least satisfy my curiosity. I am not trying to solve a specific problem. I am just curious.

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• Why is filesystem preferred for logs instead of RDBMS?

  - by Yasir

  Question should be clear from its title. For example Apache saves its access and error logs in files instead of RDBMS no matter on how large or small scale it is being utilized. For RDMS we just have to write SQL queries and it will do the work while for files we must decide a particular format and then write regex or may be parsers to manipulate them. And those might even fail in particular circumstances if great care was not paid. Yet everyone seems to prefer filesystem for maintaining the logs. I am not biased against any of these methods but I would like to know why it is practiced like this. Is it speed or maintainability or something else?

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• Why is the sudden increase in number of Git submitters on Debian popcorn graph in 2010-01?

  - by Jungle Hunter

  Almost every article I've read 1 comparing Git and Mercurial it seems like Mercurial has a better command line UX with each command being limited to one idea only (unlike say git checkout). But at some point Git suddenly became looking super popular and number of Git submitters on Debian popcorn graph (see graph image below) literally exploded. Source: Debian What happened in 2010-01 that things suddenly changed. Looks like GitHub was founded earlier than that - 2008.

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• The Future According to Films [Infographic]

  - by Jason Fitzpatrick

  Curious what the future will look like? According to movie directors, casting their lens towards the future of humanity, it’s quite a mixed bag. Check out this infographic timeline to check out the next 300,000 years of human evolution. A quick glance over the timeline shows a series of future where things can quickly go from the fun times to the end-of-the-world times. We’d like to, for example, live it up in the Futurama future of 3000 AD and not the Earth-gets-destroyed future of Titan A.E’s 3028. Hit up the link below for a high-res copy of the infographic. The Future According to Films [Tremulant Design via Geeks Are Sexy] HTG Explains: How Hackers Take Over Web Sites with SQL Injection / DDoS Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way

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• Virtual Newsstand Displays Comic Books by Date

  - by Jason Fitzpatrick

  If you’re a comic book aficionado (or just want to take a stroll down memory lane), this virtual newsstand shows you all the comics published for any month and year going all the way back to the 1930s. Courtesy of Mike’s Amazing World of Comics, the virtual newsstand lets you dial in a month, year, sorting style, and shows all publishers or select publishers. The covers are displayed in a grid where you can click through to see a larger version of the cover and read additional information about the comic. It’s a really neat way to check out trends in comic design and artwork over the years. Hit up the link below to take it for the spin. Have a cool comic book resource to share? Sound off in the comments. The Newsstand [via Boing Boing] Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference

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• from MS Biology to BS Computer Science [on hold]

  - by Air Borne

  I'm Marco from Italy and I'd like to ask you a piece of advice about my career. I hold a Ms degree in Biology, I enjoyed a lot studying it and I got very good grades but I didn't know what to do with my degree in the real life. Few months ago, I began to read a book about Python programming (Introduction to Computer Science, Zelle J.) and I've great fun learning Python as a beginner, I wake up in the morning thinking about doing excersies and writing simple programs with python :) I'm also watching free lectures from MIT open courseware, and I'm feeling a certain degree of regrets for never asking myself what was computer science, since it seems to me it's a magic world. After weeks of doubts, I made a move :) I applied for a CS bachelor degree abroad, I got an interview and I'm going to start this great adventure next September. I feel incredibly excited at it, but a little bit scared too. Scared because sometimes I think I'm making a great mistake for my life restarting from a bachelor in a completely different area of study. Sometimes I hear people saying the IT market is bad, sometimes I hear other ones saying quite the opposite instead. Moreover, some colleagues of mine suggested me to try to get into Bioinformatics, instead of CS. My question is: I want to really discover if CS is for me, I mean the passion of my life. I know I'm just a beginner and I can't say nothing about it yet. What do you suggest me: CS or Bioinformatics? If I get a Bs in CS, could I get into bioinformatics without relevant experience, taking into account I have a Ms Biology degree? Any comment is appreciated, thanks in advance.

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• Examples of "Lost art" on software technology/development

  - by mamcx

  With the advent of a new technology, some old ideas - despite been good - are forgotten in the process. I read a lot how some "new" thing was already present in Lisp like 60 years ago, but only recently resurface with other name or on top of another language. Now look like the new old thing is build functional, non-mutable, non-locking-thread stuff... and that make me wonder what have been "lost" in the art of development of software? What ideas are almost forgotten, waiting for resurface? One of my, I remember when I code in foxpro. The idea of have a full stack to develop database apps without impedance mismatch is something I truly miss. In the current languages, I never find another environment that match how easy was develop in fox back them. What else is missing?

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• AllSparkCube Packs 4,096 LEDs into a Giant Computer Controlled Display

  - by Jason Fitzpatrick

  LED matrix cubes are nothing new, but this 16x16x16 monster towers over the tiny 4x4x4 desktop variety. Check out the video to see it in action. Sound warning: the music starts off very loud and bass-filled; we’d recommend turning down the speakers if you’re watching from your cube. So what compels someone to build a giant LED cube driven by over a dozen Arduino shields? If you’re the employees at Adaptive Computing, you do it to dazzles crowds and show off your organizational skills: Every time I talk about the All Spark Cube people ask “so what does it do?” The features of the All Spark are the reason it was built and sponsored by Adaptive Computing. The Cube was built to catch peoples’ attention and to demonstrate how Adaptive can take a chaotic mess and inject order, structure and efficiency. We wrote several examples of how the All Spark Cube can demonstrate the effectiveness of a complex data center. If you’re interested in building a monster of your own, hit up the link below for more information, schematics, and videos. How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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• Is MUMPS alive?

  - by ern0

  At my first workplace we were using Digital Standard MUMPS on a PDP 11-clone (TPA 440), then we've switched to Micronetics Standard MUMPS running on a Hewlett-Packard machine, HP-UX 9, around early 90's. Is still MUMPS alive? Are there anyone using it? If yes, please write some words about it: are you using it in character mode, does it acts as web server? etc. (I mean Caché, too.) If you've been used it, what was your feelings about it? Did you liked it?

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• Origin of common list-processing function names

  - by Heatsink

  Some higher-order functions for operating on lists or arrays have been repeatedly adopted or reinvented. The functions map, fold[l|r], and filter are found together in several programming languages, such as Scheme, ML, and Python, that don't seem to have a common ancestor. I'm going with these three names to keep the question focused. To show that the names are not universal, here is a sampling of names for equivalent functionality in other languages. C++ has transform instead of map and remove_if instead of filter (reversing the meaning of the predicate). Lisp has mapcar instead of map, remove-if-not instead of filter, and reduce instead of fold (Some modern Lisp variants have map but this appears to be a derived form.) C# uses Select instead of map and Where instead of filter. C#'s names came from SQL via LINQ, and despite the name changes, their functionality was influenced by Haskell, which was itself influenced by ML. The names map, fold, and filter are widespread, but not universal. This suggests that they were borrowed from an influential source into other contemporary languages. Where did these function names come from?

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• What significant lost advances on side tracks should be revived in the main stream of software?

  - by C.W.Holeman II

  In reading Alan Kay's question on Significant new inventions I was coming up with answers that were not new ideas but old ones that have been passed by in the main stream. So, what significant lost advances that happened on a side track should be revived in the main stream of software? These would be ideas that worked well in their context but a different context appeared and became dominant the context, even though it lacked the idea. It maybe that in the new dominant context one just cannot do something or it requires great effort to be exerted.

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• My computer will not reboot after fresh install of ubuntu 12.04LTS

  - by user170715

  I bought a new computer yesterday and it came with Windows 8. When installing Ubuntu, i choose the erase and install option thinking that Ubuntu would install easily like it did for my old laptop... After a successful install and following the instructions telling me to reboot to finish installation and remove installation media. It worked and my computer booted fine, however once I began installing updates via update manager and activating additional driver {ATI/AMD proprietary FGLRX graphics driver (post-release updates)} out of the following: Experimental AMD binary Xorg driver and kernel module ATI/AMD proprietary FGLRX graphics driver (*experimental*beta) ATI/AMD proprietary FGLRX graphics driver (post-release updates) Then reboot to finish making changes I reboot and get an error (Reboot and select proper boot device) At this point I was stuck, so I eventually reinstalled ubuntu and repeated the exacted same steps until right before i rebooted to finish making changes. However this time i used this Boot Repair tool sudo add-apt-repository ppa:yannubuntu/boot-repair sudo apt-get update sudo apt-get install -y boot-repair boot-repair After running the program i get a "boot successfully repaired" message. Then I try to reboot again and get the GNU Grub screen where it says would you like to boot: normal recovery memorytest Once it begins loading, you see the code moving across the screen then it pauses when it gets to and doesnt do anything. If someone could tell me how to fix this or get Windows 8 back soon, I'd appreciate it because like i said i just bought it yesterday and now i cant even use it.

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• What significant advances lost on side tracks should be revived in the main stream of software?

  - by C.W.Holeman II

  In reading Alan Kay's question on Significant new inventions I was coming up with answers that were not new ideas but old ones that have been passed by in the main stream. So, what significant lost advances that happened on a side track should be revived in the main stream of software? These would be ideas that worked well in their context but a different context appeared and became dominant the context, even though it lacked the idea. It maybe that in the new dominant context one just cannot do something or it requires great effort to be exerted.

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• Earliest use of Comments as Semantically Meaningful Things in a Program?

  - by Alan Storm

  In certain corners of the PHP meta-programming world, it's become fashionable to use PHPDoc comments as a mechanism for providing semantically meaningful information to a program. That is, other code will parse the doc blocks and do something significant with the information encoded in those comments. Doctrine's annotations and code generation are an example of this. What's the earliest (or some early) use of this technique? I have vague memories of some early java Design by Contract implementations doing similar things, but I'm not sure of those folks were inventing the technique, or if they got it from somewhere. Mainly asking so I can provide some historical context for PHP developers who haven't come across the technique before, and are distrustful of it because it seems a little crazy pants.

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• Are Java's public fields just a tragic historical design flaw at this point?

  - by Avi Flax

  It seems to be Java orthodoxy at this point that one should basically never use public fields for object state. (I don't necessarily agree, but that's not relevant to my question.) Given that, would it be right to say that from where we are today, it's clear that Java's public fields were a mistake/flaw of the language design? Or is there a rational argument that they're a useful and important part of the language, even today? Thanks! Update: I know about the more elegant approaches, such as in C#, Python, Groovy, etc. I'm not directly looking for those examples. I'm really just wondering if there's still someone deep in a bunker, muttering about how wonderful public fields really are, and how the masses are all just sheep, etc. Update 2: Clearly static final public fields are the standard way to create public constants. I was referring more to using public fields for object state (even immutable state). I'm thinking that it does seem like a design flaw that one should use public fields for constants, but not for state… a language's rules should be enforced naturally, by syntax, not by guidelines.

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• Getting the total number of processors a computer has (c#)

  - by mbcrump

  Here is a code snippet for getting the total number of processors a computer has without using Environment.ProcessorCount. I found out that Environment.ProcessorCount is not necessary returning the correct value on some Intel based CPU’s.   using System; usingSystem.Collections.Generic; usingSystem.Linq; usingSystem.Text; usingSystem.Globalization; usingSystem.Runtime.InteropServices; namespaceConsoleApplication4 {     classProgram    {         static voidMain(string[] args)         {             int c = ProcessorCount;             Console.WriteLine("The computer has {0} processors", c);             Console.ReadLine();         }         private static classNativeMethods        {             [StructLayout(LayoutKind.Sequential)]             internal struct SYSTEM_INFO            {                 public ushort wProcessorArchitecture;                 public ushort wReserved;                 public uint dwPageSize;                 publicIntPtr lpMinimumApplicationAddress;                 publicIntPtr lpMaximumApplicationAddress;                 publicUIntPtr dwActiveProcessorMask;                 public uint dwNumberOfProcessors;                 public uint dwProcessorType;                 public uint dwAllocationGranularity;                 public ushort wProcessorLevel;                 public ushort wProcessorRevision;             }             [DllImport("kernel32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]             internal static extern voidGetNativeSystemInfo(refSYSTEM_INFOlpSystemInfo);         }         public static int ProcessorCount         {             get            {                 NativeMethods.SYSTEM_INFOlpSystemInfo = newNativeMethods.SYSTEM_INFO();                 NativeMethods.GetNativeSystemInfo(reflpSystemInfo);                 return(int)lpSystemInfo.dwNumberOfProcessors;             }         }     } }

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• Why can't `main` return a double or String rather than int or void?

  - by sunny

  In many languages such as C, C++, and Java, the main method/function has a return type of void or int, but not double or String. What might be the reasons behind that? I know a little bit that we can't do that because main is called by runtime library and it expects some syntax like int main() or int main(int,char**) so we have to stick to that. So my question is: why does main have the type signature that it has, and not a different one?

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• What was the first programming language written for computers?

  - by ThePlan

  Looking at so many programming languages we have today, each one being unique in it's own way, I've tried to figure out what the first programming language written for computers is. Looking at the release date for the popular ones I got somewhat close but I didn't look at less obvious ones, programming languages which are either dead or very little use nowadays. Fortran is the closest thing I got but I don't know if it's real. In a nutshell: What was the first programming language written for computers? Are there any languages that derived from that language?

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• Book Readers As Envisioned Circa 1935

  - by Jason Fitzpatrick

  This early 20th century sketch showcases the future of books; thankfully the actual delivery of the concept proved to be a bit more lap-friendly. The sketch is from the April, 1935 issues of Everyday Science and Mechanics and presents a vision of book consumption that, thankfully, came to pass in a much more compact fashion that doesn’t require swapping rolls of film. [via Boing Boing] How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• Ubuntu Philosophy Question

  - by The-Ever-Kid

  I was just switching from Windows to Ubuntu and I started to read this. And there were quite a few things I did not understand one was : "OpenOffice decided not to have a learning curve" And "Firefox tries very hard to make sure pages written in 1995 look like they did in 1995. " And Finally "Windows isn't a poor man's Linux." In the final statement shouldn't the statement be the opposite.

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• How to track my kid's Multi-Browser website history

  - by Rachel

  My kid is 14, homeschooled and capable computer user. All of her school work is done online; the computer literacy course even uses 3 different browsers, Chrome, IE, and Firefox. I have 2 laptops, running Win7 (one is Pro, the other Home). Is there a way to get all of her browser history in one place? I have to account for 60 minutes of class time per subject per day, but trying to do this across all 3 is getting too complicated. Thanks! PS. My kid and I talk about internet safety and usage regularly and she knows that I monitor where she goes and how long she is there. Secrecy is not an issue.

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• Why the Select is before the From in a SQL Query?

  - by Scorpi0

  This is something that bothered me a lot at school. 5 years ago, when I learned SQL, I always wondered why we specify first the fields we want and then where we want them from. According to my idea, we should write: From Employee e Select e.Name So why the norm says: Select e.Name -- Eeeeek, what e means ? From Employee e -- Ok, now I know what e is It took me weeks to understand SQL, and I know that a lot of that time was consumed by the wrong order of elements. It is like writing in C#: string name = employee.Name; var employee = this.GetEmployee(); So, I assume that it has a historical reason, anyone knows why?

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• What significant lost steps forward in side tracks should be revived in the main stream of software?

  - by C.W.Holeman II

  In reading Alan Kay's question on Significant new inventions I was coming up with answers that were not new ideas but old ones that have been passed by in the main stream. So, what significant lost steps forward that happened in a side track should be revived in the main stream of software? These would be ideas that worked well in their context but a different context appeared and became dominant the context, even though it lacked the idea. It maybe that in the new dominant context one just cannot do something or it requires great effort to be exerted.

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• What is the historical basis of using Javascript in web programming?

  - by rd108

  I come from a scientific biology background where we also use Python a lot. Now that I've begun to start with Web development, I've consistently found myself wondering just why it is that JavaScript is the primary client-side language on the Web. Is JavaScript's predominance a historical accident or something else? Also, I'm curious if there are any hurdles to integrating Python into client-side scripting?

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• What software programming languages were used by the Soviet Union's space program?

  - by shamp00

  I got interested in the Soviet space program and was interested to discover that the software on the Buran spacecraft circa 1988 was written in Prolog. Does anyone know what languages might have been used in earlier missions, especially the Mars PrOP-M rover missions of the early 1970s which were somewhat autonomous and could navigate obstacles? Edit My source for the Buran Prolog is this declassified document from the CIA site from May 1990. I couldn't find an OCR version, so here's the relevant quote from p. 0449: According to open-source literature, the Soviets used the French-developed programming language known as Prolog to develop on-board system software for the Buran vehicle...

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