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• Will low level programms become obsolete once the "post-performance" world arives? [closed]

  - by nbv4

  With the new iPhone 5 being as powerful as the supercomputers of the 1980s, its only a matter of time when the latest phones will be powerful enough to run a twitter-scale web application from within my pocket. When that time comes, performance will no longer be something programmers need to care about. Will low level languages still have a place? Or will everyone move to dynamic languages like Python?

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• Continuing to code on large projects

  - by user3487347

  I am a hobbyist programmer, and I've started many medium - sized projects to work on just by myself. These include games, a raytracer, physics simulations etc. By the time these projects get to a certain size (around 5000 lines), I begin to slow down in adding features to the program. This is not because of a lack of ideas of what to implement in a program, but rather a struggle in how to go about it. In particular, I'm afraid of breaking what I already have working in order to implement a new feature. I've tried using version control like Git and Subversion, but these seem unnecessary when you are a one man team. I simply have a folder of "versions" of my program, one for each major change I make. How do I keep coding past this 5000 line mark? What about the 50000 line mark?

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• L'homme vs. l'ordinateur : une machine peut-elle faire votre métier ? Dans quelles tâches un PC peut-il remplacer l'humain ?

  L'homme vs. l'ordinateur : une machine peut-elle faire votre métier ? Dans quelles tâches un PC peut-il remplacer l'humain ? Steven Hsu est physicien, et il a énoncé la phrase suivante, à propos des nouveaux admis dans les Universités : "Certains sont moins bons pour prédire les UG GPA qu'un algorithme tout simple". Une constatation cinglante qui réveille la bonne vieille problématique man versus machine. Dans beaucoup de métiers en rapport avec les sciences, la logique ou les chiffres, des travailleurs effectuent des calculs et des opérations qui semblent extrêmement complexes, ne serait-ce -dans une banque- que pour déterminer si une personne peut se voir accorder un prêt. Pourtant, dans c...

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• Is NTFS-3G safe for writing?

  - by katrmr

  These days, I have to use the NTFS-3G driver to write to an NTFS drive (which will later be used in Windows). But I still remember the olde times of Linux ntfs driver which clearly said in the docs: 'If you write to an ntfs volume, run our special program afterwards which will clean up the damage done.' So, I read through the man, the docs, the Tuxera site and Askubuntu and found no discussion of the write-safety of NTFS-3G. The only thing that was mentioned somewhere is that the driver doesn't support the NTFS journal. So, the question is, can I use NTFS-3G and be sure that I will later read what I have written to the files? Won't, for example, Windows find the journal entries missing and 'clean up' the data according to its own faulty understanding?

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• SEO problem for site with 2 domains [closed]

  - by Harry

  Possible Duplicate: What is duplicate content and how can I avoid being penalized for it on my site? I have two domains pointing to the same site. I want both domains to co-exist, they share most of the same content, but they differ in design and they are aimed at different markets / rivaling communities. Is there a way to let google know that these two domains are the same site and don't cause me to get hit with a duplicate content penalty? Any other general SEO tips for this situation would also be welcomed. Thanks. Come on man, why was this closed. The linked page is completely irrelevant for me.

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• gem5 parser error

  - by huxain

  I am trying to run parser from here, but it gives this error: This program requires jinja2 version 2.7 or later I have already installed the jinja2 package by running sudo apt-get install python-jinja2. Can anyone tell me what I'm doing wrong (with a little guide to run the tool as well)? The m5out folder is here, with the stats for a ARM core simulation, so you don't have to install gem5 to get those two files required by the script.

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• Design Patterns for SSIS Performance (Presentation)

  Here are the slides from my session (Design patterns for SSIS Performance) presented at SQLBits VI in London last Friday. Slides - Design Patterns for SSIS Performance - Darren Green.pptx (86KB) It was an interesting session, with some very kind feedback, especially considering I woke up on Friday without a voice. The remnants of a near fatal case on man flu rather than any overindulgence the night before I assure you. With much coughing, I tried to turn the off the radio mike during the worst, and an interesting vocal range, we got through it and it seemed to be well received. Thanks to all those who attended.

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• Split large file, have arbitrary start index number

  - by nEJC

  I do a lot of file manipulation on my system and in one particular batch job I end up with around 16 Gb file. I need to prepare this data into smaller chunks for another process. I split it into 10k lines per file and numeric index, padded to 5 digits split -a 5 -d -l 10000 large_input_file /out_path/out. This way I end up with files named out.00000 out.00001 ... The problem is that this way indexing always starts with 0. Is there a way to set it to arbitrary starting index? man reveals nothing ...

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• reinstalling totem 3.0.1 from source

  - by user1537727

  I have totem 3.0.1 installed on my system, but I wish to install from source the same and when I do so i am presented with the following dependency errors. How can this be possible? configure: error: Package requirements ( glib-2.0 >= 2.27.92 gio-2.0 >= 2.27.92 gtk+-3.0 >= 2.99.3 gdk-x11-3.0 >= 2.99.3 gmodule-2.0 totem-plparser >= 2.32.4 gstreamer-tag-0.10 >= 0.10.26 cairo) were not met: No package 'totem-plparser' found Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables DEPENDENCY_CFLAGS and DEPENDENCY_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.

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• What is needed to become a skillful and professional software developer ?

  - by silentbang

  I am interested in studying algorithms and my strong points are problem-solving and logical thinking. However what I am guided toward is web-developing languages, SQL and they seem to not exploit the best out of me. I think it's because lots of people can learn these things easily, even steal ideas and copy code. Is that wrong? I was told that "learning algorithms is just for optimization, so you just need to know it (not a deep understanding)", but I think algorithms are my savior; it differentiates one man's abilities from others'. Also I'm learning C++ to benefit my future career. Many people say that web developer is a future trend, which worries me. I don't know what I need to standout in my career, and should I balance between web and software developing or just one? Should I work hard on algorithms?

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• Sense of "stop on..." stanza when job is a task

  - by Binarus

  Hi, an upstart question (I think I have read all relevant man pages but could not find the answer there): What is the sense of using a "stop on ..." stanza in the definition of a job which is a task? The manuals tell us that such a job, after being started, just waits until its script (or exec stanza) is executed completely, and then stops automatically. Given that, what is the point in using "stop on ..." stanzas in such job definitions? For example, this is the job definition for Upstart's (very important) rc job in Natty 11.04 (leaving out comments and empty lines): start on runlevel [0123456] stop on runlevel [!$RUNLEVEL] export RUNLEVEL export PREVLEVEL console output env INIT_VERBOSE task exec /etc/init.d/rc $RUNLEVEL IMHO, the job, after being started by a runlevel event, will be stopped automatically as soon as /etc/init.d/rc $RUNLEVEL has finished. Thank you very much for any explanation!

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• Recommended readings for a sofware construction mini-course [on hold]

  - by Aivar

  I'm going to organize a mini-course for CS students who have completed CS1 (Python) and CS2 (Java). I'd like to show them more principled approach to programming practice and design, something along the lines of McConnel's Code Complete. If I had enough copies of Code Complete, I would assign some readings from that book. Can you recommend some freely available material (books, blog posts, articles, essays) for such a course? (I'd prefer to avoid topics specific to OOP and focus on more universal principles.)

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• How can a pygame image be colored?

  - by Juicy

  I'm writing a 2d particle system for a game in Pygame[1]. For the particles, I have an image surface loaded from a file -- basically a white primitive drawn over a transparent background. I'd like the particle engine to emit variously colored particles, but I'm not sure how to tell Pygame to color the surface. I've looked through what passes for documentation, but I'm having trouble finding anything. [1] Yeah, I don't really like Pygame, but my course insists I write this project in Python.

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• Are there any inline code validation libraries available for something similar to TryRuby.org or CodeSchool.com? [closed]

  - by Forkrul Assail

  Recently a lot of browser-based training sites have been spawned. These include tryruby.org, codeacademy.org, codeschool.org and the Udacity site uses something seemingly similar. They allow the user to type code in say Ruby or Python, this is then sent to the server and the output posted back to the browser. Are there libraries available for in-browser code validation? How would you approach this? Suggestions?

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• Why does '~$ nc -z T43 1-1024' not produce any output although '~$ ping T43' is successful?

  - by user43816

  Why does '~$ nc -z T43 1-1024' not produce any output although '~$ ping T43' is successful? '~$ nc -z -v T43 1-1024' prints 'Connection to T43 22 port [tcp/ssh] succeeded!' and 'nc: connect to T43 port 1000 (tcp) failed: Connection refused.' 'man nc': "PORT SCANNING: It may be useful to know which ports are open and running services on a target machine. The -z flag can be used to tell nc to report open ports, rather than initiate a connection. For example: '$ nc -z host.example.com 20-30'.

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• (12.04 vm/server) Dist-upgrade to 3.2.0-63 wants to remove git (1.9.2) and git-core - is that the correct behavior?

  - by YellowShark

  was wondering if anyone knows dist-upgrade wants to remove git. FWIW, this is a pretty simple box, mainly used for web dev. $ uname -a Linux precise64 3.2.0-61-generic #93-Ubuntu SMP Fri May 2 21:31:50 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux $ git --version git version 1.9.2 $ sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be REMOVED: git git-core The following NEW packages will be installed: linux-headers-3.2.0-63 linux-headers-3.2.0-63-generic linux-image-3.2.0-63-generic The following packages will be upgraded: git-man linux-headers-server linux-image-server linux-server phpmyadmin 5 upgraded, 3 newly installed, 2 to remove and 0 not upgraded. Need to get 58.8 MB of archives. After this operation, 199 MB of additional disk space will be used. Do you want to continue [Y/n]?

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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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• How to Choose the Best SEO Expert

  The internet has turned out to be one of the most powerful marketing tools ever invented by man. Its reach of millions of people is several times more than any other medium. Web marketing and web promotion are today an integral part of the sales plans of any medium or large scaled enterprise. As the world rapidly moves to the internet, if your company does not have a website today, you will not be able to make a place for yourself in the future. Irrespective of the business the company is involved in, its presence on the internet is absolutely unavoidable nowadays.

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• nicstat update - version 1.92

  - by user12608033

  Another minor nicstat release is now available. Changes for Version 1.92, October 2012 Common Added "-M" option to change throughput statistics to Mbps (Megabits per second). Suggestion from Darren Todd. Fixed bugs with printing extended parseable format (-xp) Fixed man page's description of extended parseable output. Solaris Fixed memory leak associated with g_getif_list Add 2nd argument to dladm_open() for Solaris 11.1 Modify nicstat.sh to handle Solaris 11.1 Linux Modify nicstat.sh to see "x86_64" cputype as "i386". All Linux binaries are built as 32-bit, so we do not need to differentiate these two cpu types. Availability nicstat source and binaries are available from sourceforge. History For more history on nicstat, see my earlier entry

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• How do I batch rename a specific file inside multiple zip archives via the command line?

  - by user73469

  I have about 200+ shareware files in zip format that each contain a file called "FILE_ID.DIZ". I need to know how to rename each instance to lowercase "file_id.diz" without doing it manually - I've already gone that route and it's pretty time consuming. That file has to be lowercase because the BBS program I'm using ignores the FILE_ID.DIZ as a description since it is uppercase. If I manually change it to lowercase, the description is imported successfully. I know that rar has a renaming switch, but then I'd have to batch convert all of the zip files to rar, and then back to zip. I'm not ruling that out entirely, but it seems like the long way around to resolving this. I found the man page for "zip_rename", which looks like it might do the trick, but I have no idea how to actually implement it. I refuse to do this on a Windows machine - I just can't and won't do it... it's the principle ;). Anyway, thanks for your time!

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• Overview of the agile process that I can apply to a startup

  - by Pete2k

  I need to provide a quote to an external client for some software. I'm looking to use agile just for initial requirements building (which I'm experienced in from a developer perspective) but I need to do everything this is just a one man job. The client are having a hard time working out what there requirements are and the value I can add will be to sit down with them and work out what they want using user stories etc, I basically need to be a BA for a little bit. I am looking for good overview of the procedures to go through in the agile process for building requirements, and the continuing process a bit for further down the line. For example the initial inception through to elaboration of epics and building user stories (or not) just need to read a bit about it before the meeting so I know the best way to proceed if I spend a day with them. Having additional resources to provide to the client so that we are all on the same page would be useful too.

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• iptables firewall to protect against automated entries

  - by Kenyana

  I am getting unusually large calls on my app. I have implemented CSRF Check over ajax and its working but am still getting so many calls. My guess is that someone has a script that is 'logged' in and making all these calls. Could someone please share a good iptables script for blocking ip's that run 10 calls to /controler/action in a second. I am using `/sbin/iptables -A INPUT -p tcp --syn --dport $port -m connlimit --connlimit-above N -j REJECT --reject-with tcp-reset save the changes see iptables-save man page, the following is redhat and friends specific command service iptables save` That is from cyberciti

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• Boost Your SEO Efforts With Twitter

  Search engine optimization techniques continue to expand so that more innovative ways of drawing traffic to your website can be used effectively. While the online revolution has changed many things in a common man's life, one exciting facet of the World Wide Web is social networking. With social networking giants such as Twitter, Facebook, LinkedIn, Orkut and MySpace hitting the pinnacle of popularity, people have the luxury of making online friends, interact with people irrespective of national boundaries and discuss world issues without any ethnic or racial biases. Webmasters and social network gurus have also capitalized on this immense opportunity to expand their businesses and draw more traffic to their websites.

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• mysql questions for beginners

  - by ankhseeker

  ok, I have a few questions regarding mysql. I am currently running ubuntu 12.04.4 LTS command line version. I am looking for a database that I can use. I am confused at this point because I am uninformed. mysql is just one database that is on the server? or can it contain several or many databases What programs do I use to access it on the server or is it a vt-100 type access? I understand that mysql comes with lamp? or ubuntu. I am thinking that it is already installed but not sure how to access it, but that is another question for later. Outside of the man pages and the ubuntu manual, is there a site for its setup and use? Thanks!

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• How does a programmer without a degree gain experience? [on hold]

  - by user96872

  Having a few years of experience is a must for many programming jobs nowadays. If one does not have a college degree but would like to get some experience with programming (with some prior knowledge, say, in JavaScript, PHP and Python), what are some ways to gain the experience that employers seek? I know about personal projects, but how about team experience and everything that goes along with it? Would I need to volunteer somewhere?

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