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  • What are some good resources for learning C beyond K&R

    - by Roland
    Hi, I'm currently reaching the end of working through the K&R book "The C Programming Language", and I'm looking for things to read next. Any recommendations of: blogs more detailed / advanced books (I've already stuck Advanced Programming in a Unix Environment on my Safari bookshelf) open source code (beginner-friendly and with good C idioms or style) to read up on next would be gratefully appreciated. To be specific, I'm most interested in things relevant to a *nix environment rather than Windows. Cheers, Roland

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  • what is programming paradigm in haskell

    - by Pradeep
    im preparing for my exam. i got this question and i read several articles about this. but still i cant get a proper idea about this question what Paradigm means is that different programming styles ( as far as i think) in the question they ask explain it by taking two paradigms so this explanation should be done using two styles of programming "List Comprehnsions or Primitive Recursion, Higher order functions " is these styles are programming paradigms?? please help me

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  • Are government programming jobs good?

    - by Absolute0
    I am a passionate software developer and greatly enjoy programming. However I was recently contacted regarding a developer lead position for a government job at NYC for the fire department. The pay is pretty good, and I would assume the position has good job security and stability. But I am hesitant to even go for an interview as it seems like an exaggerated version of Office Space with a lot of Bureaucracy and mindless paper work. The description is as follows: The Lead Applications Developer, supporting the Programming Group, will be responsible for all phases of the system development life cycle including performing system analysis, requirements definition, database design, preparation of scopes of work, and development of project plans. Supervise programming staff and manage projects involving the design, implementation, maintenance, and enhancement of complex Oracle based user applications using Oracle Development tools. Applications will be deployed using Oracle Application Server utilizing programming languages such as JAVA, JSF, JSP, Oracle ADF, PL/SQL, and XML with J2EE and EJB technology. Anyone with previous government experience can share their two cents on this? Thank you.

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  • 3-d game programming

    - by Ygam
    what programming language/languages do they use to produce games lik Bioware's Dragon Age Origins and some other 3-d games like Call of Duty? If I would like to do 3d-game programming, where do I start? Are there even simple tutorials for this? I would like to do 3-d game programming for PC games:)

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  • How can I implement Unix grep in Perl?

    - by Ankit Rathod
    How can I implement grep of Unix in Perl? I tried to use Perl's built-in grep. Here is the code which is not working: $pattern = @ARGV[0]; $file= @ARGV[1]; open($fp,$file); @arr = <$fp>; @lines = grep $pattern, @arr; close($fp); print @lines; And by the way, i am trying only basic grep functionality not full featured and secondly i don't want to do string parsing myself. I want to use inbuilt grep or some function of Perl. Thanks in advance :)

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  • MQ window to Unix special chars

    - by user171523
    I am using .net client to post mesages to MQ server which is hosted on Unix. It is added some control character before the messages. Like below ^CD The Queue connection is through SSL Table channel connection. The code i am using is MQQueueManager queueManager = new MQQueueManager ; int openOptions = MQC.MQOO_OUTPUT + MQC.MQOO_BIND_NOT_FIXED + MQC.MQOO_FAIL_IF_QUIESCING; MQQueue Queue = queueManager.AccessQueue("TestQueue", openOptions); MQMessage queueMessage = new MQMessage(); queueMessage.WriteUTF(""); MQPutMessageOptions MessageOptions = new MQPutMessageOptions(); Queue.Put(queueMessage, MessageOptions); please let me know what cause this special chars

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  • New programming jargon you coined?

    - by jdk
    What programming terms have you coined that have taken off in your own circles? (i.e. have heard others repeating it?) It might be within your own team, workplace or garnered greater popularity on the Internet. Define your programming term, word or phrase in bold followed by an explanation, citation and/or usage example so we can use it in appropriate context. This question serves in the spirit of communication among programmers through sharing of terminology with each other, to benefit us by its propagation within our own teams and environments. Please no repeats of common jargon already ingrained in the programming culture like: "kludge", "automagically", "cruft", etc. (unless you coined it). Stealing from the comments: A shared vocabulary is the basis of communication, not just among programmers, Note: This Programming question has been reworded/reorganized to phrase a real question and remove ambiguity, vagueness and rhetorical device. It is not difficult to know what is being asked & question can be reasonably answered (see answers below).

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  • Does the order I declare pointers really matter in C? getcwd() problem...

    - by chucknelson
    On a Solaris 5.8 machine, I have the following code: [non-working code] char *buf; char *dir; size_t psize; psize = (size_t) 1024; dir = getcwd(buf, psize); On this unix machine, the above does not work and I get a segmentation fault when trying to run the program. It only works if I declare dir before buf: [working code] char *dir; char *buf; ... dir = getcwd(buf, psize); When using another flavor of Unix, such as Mac OS X, I don't get any of these what seem to be very strict rules on how to write the code. Can anyone explain what's going on with the above example? Thanks!

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  • jQuery timer, ajax, and "nice time"

    - by Mil
    So for this is what I've got: $(document).ready(function () { $("#div p").load("/update/temp.php"); function addOne() { var number = parseInt($("#div p").html()); return number + 1; } setInterval(function () { $("#div p").text(addOne()); }, 1000); setInterval(function () { $("#geupdate p").load("/update/temp.php");} ,10000); }); So this grabs a a UNIX timestamp from temp.php and puts into into #div p, and then adds 1 to it every second, and then every 10 seconds it will check the original file to keep it up to speed. My problem is that I need to format this UNIX timestamp into a format such as "1 day 3 hours 56 minutes and 3 seconds ago", while also doing all the incrementation and ajax calls. I'm not very experienced with jquery/javascript, so I might be missing something basic.

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  • How to export shell variable within perl script

    - by lamcro
    I have a shell script, with a list of shell variables, which is executed before entering a programming environment. I want to use a perl script to enter the programming environment: system("environment_defaults.sh"); system("obe"); but I when I enter the environment the variables are not set.

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  • gcc options for fastest code

    - by rwallace
    I'm distributing a C++ program with a makefile for the Unix version, and I'm wondering what compiler options I should use to get the fastest possible code (it falls into the category of programs that can use all the computing power they can get and still come back for more), given that I don't know in advance what hardware, operating system or gcc version the user will have, and I want above all else to make sure it at least works correctly on every major Unix-like operating system. Thus far, I have g++ -O3 -Wno-write-strings, are there any other options I should add? On Windows, the Microsoft compiler has options for things like fast calling convention and link time code generation that are worth using, are there any equivalents on gcc? (I'm assuming it will default to 64-bit on a 64-bit platform, please correct me if that's not the case.)

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  • How to prepare a codebase for compiling on both Windows and Unix-based systems

    - by Max
    Hi! I am wondering about different solutions to easily compile my cross-platform application for both windows and unix. Right now I am using a makefile on Ubuntu, but before my codebase grows larger I'd like to perform the steps necessary to compile it on Windows, and then continue doing so regularly to see that it still works. I'd preferably not contaminate my SVN codebase repository with multiple "makefile" solutions, such as VC++ solutions and so on, I'd like a more automatic way. I tried using mingw with make for windows, but it seems my secondexpansion awesomeness doesn't work on the Windows version (or something like that). It wouldn't compile, and also complained about _winNT or something like that not being defined. How should I prepare my codebase for cross-platform easy compiling? Things like buildtools, perhaps autogenerate VS file from makefile, or something similar. Some preprocessor magic in a stdinc file perhaps? Thanks!

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  • What is your favourite programming-related lolcat picture?

    - by DR
    In the spirit of these questions... http://stackoverflow.com/questions/234075/what-is-your-best-programmer-joke http://stackoverflow.com/questions/354686/programming-related-songs http://stackoverflow.com/questions/517897/anyone-know-any-programming-related-poetry ... I wonder: What is your favourite programming-related lolcat picture? Please add one answer per picture.

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  • After tar extract, Changing Permissions

    - by Moe
    Just a Question Regarding unix and PHP today. What I am doing on my PHP is using the Unix system to untar a tarred file. exec("tar -xzf foo.tar.gz"); Generally everything works fine until I run into this particular foo.tar.gz, which has a file system as follows: Applications/ Library/ Systems/ After running the tar command, it seems that the file permissions get changed to 644 (instead of 755). This causes Permission denied (errno 13) and therefore disabling most of my code. (I'm guessing from lack of privileges) Any way I can stop this tar command completely ruining my permissions? Thanks. Oh and this seems to only happen when I have a foo.tar.gz file that Has this particular file system. Anything else and I'm good.

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  • Perl: Fastest way to get directory (and subdirs) size on unix - using stat() at the moment

    - by ivicas
    I am using Perl stat() function to get the size of directory and it's subdirectories. I have a list of about 20 parent directories which have few thousand recursive subdirs and every subdir has few hundred records. Main computing part of script looks like this: sub getDirSize { my $dirSize = 0; my @dirContent = <*>; my $sizeOfFilesInDir = 0; foreach my $dirContent (@dirContent) { if (-f $dirContent) { my $size = (stat($dirContent))[7]; $dirSize += $size; } elsif (-d $dirContent) { $dirSize += getDirSize($dirContent); } } return $dirSize; } The script is executing for more than one hour and I want to make it faster. I was trying with the shell du command, but the output of du (transfered to bytes) is not accurate. And it is also quite time consuming. I am working on HP-UNIX 11i v1.

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  • GLOB_BRACE portability?

    - by Pekka
    In this question, I was made aware of glob()'s GLOB_BRACE option that allows for a limited set of regular expressions when searching for files. This looks just like what I need, but according to the manual, GLOB_BRACE is "not available on some Non-GNU Operating systems." Among those seems to be Solaris. I am building an application that is supposed to be as portable as possible, so I need to check out possible problems as early as possible. Does somebody know of other platforms apart from Solaris where GLOB_BRACE is not supported? How about Mac OS = X for example? It's built on top of a Unix. Is every Unix automatically a "GNU" platform as defined in the manual?

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  • Embedded programming books

    - by Velho Kerho
    What embedded programming/design books would you suggest? With embedded I mean near to hardware programming in ASM and C/C++. I'm looking something related to best practices in embedded programming/design. Operation system could be Linux, Real Time Linux or any other RTOS.

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