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  • Is there a “P” programming language? [closed]

    - by Synetech
    I’m wondering if anybody has made a programming language based on BCPL, named P. There was a language named B that was based on BCPL, followed of course by C, also based on BCPL. I’ve seen plenty of whimsically named programming languages, so I can’t help but be surprised if nobody made one called P. I checked the Wikipedia’s—not exactly comprehensive—list of programming languages, and while there are three languages named L (none of which are related to BCPL), there are none called P—in fact, it is one of the only letters not used as a name. (Google is useless for one-letter query terms.) Does anybody know if a P has been made, even as a lark. (Yes, I know about P#, but that is based on Prolog, not BCPL; there is one called P, but it is also not related to BCPL.)

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  • Professional iOS Development as a Backup Career [closed]

    - by New Coder
    I am a research chemist by day and I am a self-taught hobbyist iOS programmer by night. I am in the process of developing a moderately complex iOS app and hope to launch it within a month or two. I love everything about iOS development (and programming in general). I want to know if iOS development could become a backup career for me if I loose my job. My question: Let's say I had a couple of apps in the app store, a solid foundation in objective-C and the apple frameworks and basic knowledge on network integrated apps. Without a formal CS degree, what other experience/knowledge would I need to land a job as a professional iOS developer? Forgive me if this question is out of bounds for this forum. If it is, suggestions on where to post such a question would be appreciated.

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  • Unable to update/ install any files [closed]

    - by Surya
    Possible Duplicate: “Problem with MergeList” error when trying to do an update Just now I installed ubuntu 12.04 on my Lenovo G570 laptop. First I got an error at the time of installation (don't know about it) and I restarted the system and next time, it went well. So, after installing problems started.. There was a error with "Language recognition" and I tried to fix it but didn't work. I tried to install powerTop to check the status of power management. at terminal: sudo apt-get install powertop This is the error I got surya@surya-Lenovo-G570:~$ sudo apt-get powertop install [sudo] password for surya: E: Invalid operation powertop surya@surya-Lenovo-G570:~$ sudo apt-get install powertop Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages E: The package lists or status file could not be parsed or opened. surya@surya-Lenovo-G570:~$ ^C surya@surya-Lenovo-G570:~$ ^C surya@surya-Lenovo-G570:~$ ^C surya@surya-Lenovo-G570:~$ I downloaded Google Chrome .deb one and tried to install but its not working. Software center is opened and its not loading. There was a notification on the status bar which says: An error occurred please run the package manager from the right-click menu ... .... ... E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages "Copy & Paste" from terminal is not really working... When I press Ctrl + C; its showing ^C on terminal but its not working.. The most important error: I am unable to see a "chip" icon on the status bar so as to install proprietary drivers for my ATI drivers... The interesting part is, powertop worked will on live cd and it even detected my ATI card. Update When I opened "Software Up to Date", this showed a error: Could not initialize the package information An unresolvable problem occurred while initializing the package information. Please report this bug against the 'update-manager' package and include the following error message: 'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.' : My laptop details Lenovo G570; Intel 2nd Gen i5 processor 4GB DDR3 RAM Intel in-build graphics + AMD Radeon HD 6370M 1GB graphics. I need help ASAP.

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  • A good software development book [closed]

    - by Mahmoud Hossam
    I've searched this website, as well as SO for a question like that, and I still haven't found what I'm looking for. I'm looking for a book that is similar to Head First Software Development. I want to know more about the different stages of software development, I know about coding already, but I don't know much about unit testing, version control, integration, design...etc. P.S. it'd be nice if the book wasn't a thousand pages long. Edit: I'm looking for an introductory text, not a book about the latest trends in software development.

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  • Don't Use Static? [closed]

    - by Joshiatto
    Possible Duplicate: Is static universally “evil” for unit testing and if so why does resharper recommend it? Heavy use of static methods in a Java EE web application? I submitted an application I wrote to some other architects for code review. One of them almost immediately wrote me back and said "Don't use "static". You can't write automated tests with static classes and methods. "Static" is to be avoided." I checked and fully 1/4 of my classes are marked "static". I use static when I am not going to create an instance of a class because the class is a single global class used throughout the code. He went on to mention something involving mocking, IOC/DI techniques that can't be used with static code. He says it is unfortunate when 3rd party libraries are static because of their un-testability. Is this other architect correct?

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  • Do 2D games have a future? [closed]

    - by Griffin
    I'm currently working on a 2D soft-body physics engine (since none exist right now -_-), but I'm worried that there's no point to spending what will most likely be years on it. Although I love working on it, I doubt such an engine would get any income considering anyone willing to pay money for the library will likely to be working in 3D. Do 2D games have any sort of future in the game industry? Should I just drop my engine and find something meaningful to work on? Bonus: I've been trying to think of a unique way to implement my physics engine in a 2d game by looking at games that are multiple dimensions, but still in 2d perspective like Paper Mario. Any ideas?

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  • How to become a solid python web developer [closed]

    - by Estarius
    Possible Duplicate: How do I learn Python from zero to web development? I have started Python recently with the goal to become a solid developer to make a web application eventually. However, as time goes by I am wondering if I am being optimal about how I will achieve my goal. I would compare it to a game for example, to be better you must spend time playing and trying new things... However, if you just log in and sit in the lobby chatting you are most likely not progressing. So far, this is my plan (feel free to comment or judge it): Review basic programmation concepts Start coding slowly in Python Once comfortable in Python, learn about web development in Python Learn about those things we heard about: SQLAlchemy, MVC, TDD, Git, Agile (Group project) To achieve these things, I started the Learn python the hard way exercises, which I am doing at the rate of 5 per days. I also started to read Think Python at the same time and planning to move on with Dive into python. As far as my research goes, these documentations along with Python documentation is usually what is the most recommended to learn Python. I consider this to get my point 1 and 2 done. While learning Python is really great, my goal remains to do quality web development. I know there are books about Django etc. however I would like to become comfortable with any Python web development. This means without Framework and with Framework... Any framework, then be able to choose the one which best fits our needs. For this I would like to know if some people have suggestions. Should I just get a book on Django and it should apply to everything ? What would be the best method to go from Python to Web Python and not end up creating crappy code which would turn into nightmares for other programmers ? Then finally, those "things we hear about". While I understand what they all do basically, I am fairly sure that like everything, there are good and wrong ways of making use of them. Should I go through at least a whole book on each before starting to use them or keep it at their respective online documentation ? Are there some kind of documentation which links their use to Python ? Also, from looking at Django and Pyramid they seems to use something else than MVC, while the Django model looks similar, the Pyramid one seems to cut a whole part of it... Is learning MVC still worth it ? Sorry for the wall of text, Thanks in advance !

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  • Compiler Dependencies [closed]

    - by asghar ashgari
    I'm a newbie researcher who's passion is programming languages (Web era). I'm wondering why all the Web frameworks and Web-based general purposes languages, have a huge number of dependencies when you want to install and then use (e.g., extend, alternate, etc.) their compilers. For example, Ruby on Rails or Scala. If I want to download their source code, and try to build it again, to me at least, feels like a can of worms. I have a MAC, so I need to install MACports, then update my XCode, then get the compiler source code that has bunch of other dependencies, then its hard to set things up; just to see the installed open-source compiler works fine.

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  • Creating a dynamically updateable website using Adobe Flash CS6 [closed]

    - by Sidd
    I need some help finding the appropriate tutorials for what I need. I have tried looking hard with no avail. I have Adobe Flash CS6, and I want to make a website using that software. I want the content to be uploaded onto a server so that the flash program can just fetch the information from the server and dynamically update the website itself, instead of editing the content on the flash website and reuploading the whole flash file (as I have done before). I also want the ability to have a guestbook and a contact form. Also, if possible, I wanted an ability to add tabs to the navigation bar dynamically instead of having to edit the flash file. Can anyone point be to a good tutorial which can help me with this? I have tried looking, and most of the results I get are completely useless to me.

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  • Improving performance of fuzzy string matching against a dictionary [closed]

    - by Nathan Harmston
    Hi, So I'm currently working for with using SecondString for fuzzy string matching, where I have a large dictionary to compare to (with each entry in the dictionary has an associated non-unique identifier). I am currently using a hashMap to store this dictionary. When I want to do fuzzy string matching, I first check to see if the string is in the hashMap and then I iterate through all of the other potential keys, calculating the string similarity and storing the k,v pair/s with the highest similarity. Depending on which dictionary I am using this can take a long time ( 12330 - 1800035 entries ). Is there any way to speed this up or make it faster? I am currently writing a memoization function/table as a way of speeding this up, but can anyone else think of a better way to improve the speed of this? Maybe a different structure or something else I'm missing. Many thanks in advance, Nathan

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  • What is so good about Linux? [closed]

    - by Chris Bridgett
    Self-explanatory question title. I've only ever used Windows OS's (except Mac OSX at friends etc, years ago occasionally) and when diving into the world of programming, Linux is a name that is coming up every other tutorial or article. All my web hosts run Linux and a lot of programming literature covers how to go about various tasks on Linux as well as Windows, but other than the odd raving I've read years ago about Linux being less resource-intensive, I haven't really given it much thought. Any article I read about Linux and whether it should be used for... 'regular' use, it's shunned since any windows applications I'm familiar with will usually require the windows API and there's no end of 'hacking' to get various programs working on Linux. As far as I understand a GUI is optional on Linux too? This all sounds very noobish I'm sure, but we all start somewhere, so: What is Linux good for? What should Linux be used for?

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  • Website hosted at home pingable from outside, but not browseable from outside [closed]

    - by Richard DesLonde
    I have a simple setup. Server at home has local I.P. 192.168.1.3 IIS is running on the server and the website is up. Windows firewall on the server has an exception rule for port 80 TCP Router has static I.P. XX.XXX.XX.XXX Router is forwarding TCP port 80 to 192.168.1.3 My domain registrar is my DNS host and is pointing to the static I.P. XX.XXX.XX.XXX of the router Here's what I can and can't do. I can browse the website from within my home network either by I.P. or domain name. I can ping the domain and the I.P. from outside the network (from a computer at work). I can't browse the website either by domain name or by I.P. Wierd. Why I can't browse my website?

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  • Job Interview at Starbucks for Programmers [closed]

    - by Soner Gönül
    My friend is called for a job interviewing at Starbucks a few days ago. IMHO, but these kind of places a not very suitable environment for interviewing specialy for programmers. Actually, my question has 2 sides; Side of Interviewers: If you are interviewing at starbucks with a candidate as an Interviewer, How candidate should act there you prefer? What he/she should do or not? What would you pay attention on his/her? Side of Candidate: How you should act instead of interviewing in a meeting room? Should you drink something or not (if Interviewer ask)? Should you ask a question like "Why am I interviewing in this place?" What is the advantages and disadvantages of an interviewing by programmers in this kind of places?

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  • Switching from Visual Studio to Eclipse [closed]

    - by Jouke van der Maas
    I've been using Visual Studio for about 6 years now, which is enough time to know most useful keyboard shortcuts and little features. I recently had to switch to Eclipse and java for school, and now I'm constantly searching for the right keys to press. I have searched around for a definitve guide on this, but I couldn't find any. Here's what I want to know: For any feature in Visual Studio, what is the equivalent feature in Eclipse called and what is it's default keyboard shortcut? Are there any things that work very differently in Eclipse, that one might misunderstand or do wrong at first when switching? Are there features in Visual Studio that Eclipse does not have, and is there a workaround? I hope we can create a guide to make life easier for future developers that have to make this switch. You can answer any of the three questions above (no need to do all three), and multiple per answer if you want. I can't mark questions as community wiki anymore, but I do think that's appropriate here.

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  • SEO Suggestion For My Blog [closed]

    - by Rana
    I have a programming tutorial blog, which have decent traffic. However, I am interested to do some basic seo for my blog to get it optimized. I want to do it myself by learning. I was wondering if experts here can suggest me how should I proceed please? Also, if you please review my blog and suggest the most common seo concern that come to your mind first, those will be helpful as well. My blog site url is as follow: http://codesamplez.com/ Looking forward to your feedback soon. Thanks.

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  • A problem with conky in Gnome 3.4 [closed]

    - by Pranit Bauva
    Possible Duplicate: Conky not working in Gnome 3.4 My conky in Gnome 3.4 is not working. When I run a conky script nothing appears but the process is running. Please also see the debug code : pungi-man@pungi-man:~$ sh conky_startup.sh Conky: forked to background, pid is 3157 Conky: desktop window (c00023) is subwindow of root window (aa) Conky: window type - override Conky: drawing to created window (0x2200001) Conky: drawing to double buffer My conky script is : background yes update_interval 1 cpu_avg_samples 2 net_avg_samples 2 temperature_unit celsius double_buffer yes no_buffers yes text_buffer_size 2048 gap_x 10 gap_y 30 minimum_size 190 450 maximum_width 190 own_window yes own_window_type override own_window_transparent yes own_window_hints undecorate,sticky,skip_taskbar,skip_pager,below border_inner_margin 0 border_outer_margin 0 alignment tr draw_shades no draw_outline no draw_borders no draw_graph_borders no override_utf8_locale yes use_xft yes xftfont caviar dreams:size=8 xftalpha 0.5 uppercase no default_color FFFFFF color1 DDDDDD color2 AAAAAA color3 888888 color4 666666 lua_load /home/pungi-man/.conky/conky_grey.lua lua_draw_hook_post main TEXT ${voffset 35} ${goto 95}${color4}${font ubuntu:size=22}${time %e}${color1}${offset -50}${font ubuntu:size=10}${time %A} ${goto 85}${color2}${voffset -2}${font ubuntu:size=9}${time %b}${voffset -2} ${color3}${font ubuntu:size=12}${time %Y}${font} ${voffset 80} ${goto 90}${font Ubuntu:size=7,weight:bold}${color}CPU ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${top name 1}${alignr}${top cpu 1}% ${goto 90}${font Ubuntu:size=7,weight:normal}${color2}${top name 2}${alignr}${top cpu 2}% ${goto 90}${font Ubuntu:size=7,weight:normal}${color3}${top name 3}${alignr}${top cpu 3}% ${goto 90}${cpugraph 10,100 666666 666666} ${goto 90}${voffset -10}${font Ubuntu:size=7,weight:normal}${color}${threads} process ${voffset 20} ${goto 90}${font Ubuntu:size=7,weight:bold}${color}MEM ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${top_mem name 1} ${alignr}${top_mem mem 1}% ${goto 90}${font Ubuntu:size=7,weight:normal}${color2}${top_mem name 2} ${alignr}${top_mem mem 2}% ${goto 90}${font Ubuntu:size=7,weight:normal}${color3}${top_mem name 3} ${alignr}${top_mem mem 3}% ${voffset 15} ${goto 90}${font Ubuntu:size=7,weight:bold}${color}DISKS ${goto 90}${diskiograph 30,100 666666 666666}${voffset -30} ${goto 90}${font Ubuntu:size=7,weight:normal}${color}used: ${fs_used /home} /home ${goto 90}${font Ubuntu:size=7,weight:normal}${color}used: ${fs_used /} / ${voffset 10} ${goto 70}${font Ubuntu:size=18,weight:bold}${color3}NET${alignr}${color2}${font Ubuntu:size=7,weight:bold}${color1}${if_up eth0}eth ${addr eth0} ${endif}${if_up wlan0}wifi ${addr wlan0}${endif} ${goto 90}${font Ubuntu:size=7,weight:bold}${color}open ports: ${alignr}${color2}${tcp_portmon 1 65535 count} ${goto 90}${font Ubuntu:size=7,weight:bold}${color}${offset 10}IP${alignr}DPORT ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 0}${alignr 1}${tcp_portmon 1 65535 rport 0} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 1}${alignr 1}${tcp_portmon 1 65535 rport 1} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 2}${alignr 1}${tcp_portmon 1 65535 rport 2} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 3}${alignr 1}${tcp_portmon 1 65535 rport 3} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 4}${alignr 1}${tcp_portmon 1 65535 rport 4} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 5}${alignr 1}${tcp_portmon 1 65535 rport 5} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 6}${alignr 1}${tcp_portmon 1 65535 rport 6} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 7}${alignr 1}${tcp_portmon 1 65535 rport 7} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 8}${alignr 1}${tcp_portmon 1 65535 rport 8} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 9}${alignr 1}${tcp_portmon 1 65535 rport 9} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 10}${alignr 1}${tcp_portmon 1 65535 rport 10} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 11}${alignr 1}${tcp_portmon 1 65535 rport 11} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 12}${alignr 1}${tcp_portmon 1 65535 rport 12} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 13}${alignr 1}${tcp_portmon 1 65535 rport 13} ${goto 90}${font Ubuntu:size=7,weight:normal}${color1}${tcp_portmon 1 65535 rip 14}${alignr 1}${tcp_portmon 1 65535 rport 14} This script works fine with unity but faces problems in gnome 3.4 Can anyone please sort it out?

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  • Frustrated where I am, but not sure where to go with my career [closed]

    - by Tom Pickles
    I work (3 years now) as a lead developer for a team developing internal tools and websites for a customer account within large outsourcing company. I'm a self taught programmer and my previous incarnation was a 3rd line support guy, so I have a solid infrastructure knowledge. We use VB.Net/MSSQL/SSIS/SSRS ASP.NET (nTier) in house and I have about 8 years coding experience. Without going into too much detail, my boss is very ambitious and uses our team as his footing to get up the ladder. I've been in the team from the start and the only new dev's we have brought in have been people with a bit of VBA/VBScript experience, much to my chagrin, to bolster his empire. It's been a lot of hard work to bring them up to a standard, but there's still a lot for them to learn. This makes my life stressful as I always get the high profile/complex project work to do as other's simply cannot do it, or it'd take them twice/three times longer to do it. My boss is always seeking stuff for us to build for people who haven't asked for it, which usually get's thrown to me as I have the most experience and can pick new API's (etc) up quicker. He doesn't give us proper requirements, we don't get time to design properly before we code, he wants us to throw something (quick and dirty as he calls it) together so we can get it out ASAP. I take pride in my work so I like to do it properly, make my code clean, maintainable etc, and I train the other guys in the team to do the same. But, we always fall on our faces. The customer we drop the apps on say it doesn't do what they need (due to few requirements), or my boss doesn't like it/changes the spec, so we have to rework it, it get's drawn out, and it makes us and me look and feel like fools. We then get accused by boss of not being reactive enough to change. I've had enough. In order to get my skills and knowledge gap's filled, I've been reading Code Complete 2nd Ed (McConnell) and the Head First Design Patterns books. I'm forcing myself to move into C# from VB at home to broaden my horizons. I'm not sure where to go from here. I don't want to code all my life as I'd like to move into a higher level design/architects role at some point in time (I'm 35). Where do I/can I go from here?

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  • Webmaster tools, Duplicate Meta Descriptions, and Short Meta Descriptions [closed]

    - by Watsy91
    Possible Duplicate: Do meta keywords have any impact on ranking algorithms? I am fairly new to the whole Webmaster Tools concept. I have been looking at all the different options, such as crawl errors, HTML improvements etc... I have been looking at the Duplicate Meta Descriptions and Short Meta Descriptions, was wondering if anyone could suggest ideas on how to go about improving this. It seems that all the Duplicates are from the URL Title and the short description. It would seem to me that most people would have information regarding the page with the same keywords as their titles. Heres an example of one: These are the ultimate hampers in taste, quality and value. Amongst this range of luxury hampers ar /food-hampers/food-hampers-over-100.html /thank-you-gifts/large-gifts-over-100.html To get to the point I just want to know do these things really matter? Would they have a real consequence on my sites rankings? My sites have been falling down the rankings since early this year and I have really started to look at Google Analytics and Webmaster tools to try and indicate certain problems. I have researched the Internet and it seems that some people don't bother and others do!! I know that Stackoverflow has 100s+ people who have went through the above and I would really appricate if they could give me some tips etc. Or in the END does it really matter?? :D

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  • Improve speed of "start menu" in Linux Mint 10 - Ubuntu 10.10 derivative [closed]

    - by Gabriel L. Oliveira
    I have a global menu (including application, administration and system tabs) that is taking too much time (for me) to load (about 2.5 seconds). Of course, this time is taken only during first start. After it have loaded, next times are better ( less than 0.2 miliseconds) The menu was taking more time before (about 5 seconds), and I found that was because of the 'Other' part of the menu, that included many applications installed with Wine, so I removed all of them (I didn't need them at all). I have a "normal" knowledge of programming, and I think that the process of starting the menu for the first time has some kind of "cache function", that tries to find which apps are present that need to be placed under menu to be shown to user. But didn't found this function so that I could analyze in details what he is doing (if searching for files under "~/.local/share/applications" or anything else). Also, I found that hitting "Alt-F2" also fires this "cache function", because after waiting it to load, the process of opening the menu took less than 0.2 miliseconds. So, could anyone help me in order to reduce this time? I found on internet that some user could reduce the time by resizing the icons of applications. But found here that most of my icons are already at 25x25 size. Any other idead? Maybe a multiprocess to load it, or include it under startup... don't know. Ps: Sorry if this is an awkward question, but I just do not like waiting for things to happen, and think that this process should be smoother than it's now. Also, thanks in advance!

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  • Technology stack for CRUD apps [closed]

    - by Panoy
    In the past years, I have been using VB6 + MySQL when developing CRUD applications. Now I am currently learning how to develop web applications, as my plan is to go through the "browser/web app" path every time I build a CRUD app. I'm leaning on Ruby on Rails + MySQL/PostgreSQL/any NoSQL database now. I would like to know what other technology/tools stack to include in my architecture when developing these web apps? I'm asking your inputs with regards to the UI, database and reporting stack/toolset. Currently I have these in mind: UI = jQuery, jQueryUI (add your comments for other good UI stack) database = will be considering NoSQL or simply but RDBMS reporting tool = i'm clueless here Will it also make sense to use NoSQL database on these CRUD applications? I am assuming that the data would balloon later on. The desktop/native app route is an option only if there is a requirement, that in my limited experience, believes that a web app can't solve. Like for example those imaging apps/document forms and point-of-sale systems. I believe that web apps are gaining ground now and I find it most fun and intriguing to play and experiment with them. Please share your suggestions!

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  • How to free up space on /boot? [closed]

    - by Phrogz
    Possible Duplicate: Free up more space on /boot I logged onto my server today to find the message: => /boot is using 98.9% of 91MB When I look at /boot I see that it is indeed very low on space, and has old-kernel files in it: phrogz@planar:~$ df -h /boot Filesystem Size Used Avail Use% Mounted on /dev/sda1 92M 54M 33M 63% /boot phrogz@planar:~$ la /boot total 81880 drwxr-xr-x 4 root root 3072 2011-12-02 06:26 ./ drwxr-xr-x 22 root root 4096 2011-09-29 06:37 ../ -rw-r--r-- 1 root root 646419 2011-03-01 19:02 abi-2.6.32-30-server -rw-r--r-- 1 root root 646419 2011-04-08 17:07 abi-2.6.32-31-server -rw-r--r-- 1 root root 646454 2011-04-20 16:53 abi-2.6.32-32-server -rw-r--r-- 1 root root 646454 2011-07-29 16:07 abi-2.6.32-33-server -rw-r--r-- 1 root root 646710 2011-09-13 18:00 abi-2.6.32-34-server -rw-r--r-- 1 root root 646820 2011-10-11 11:10 abi-2.6.32-35-server -rw-r--r-- 1 root root 110687 2011-03-01 19:02 config-2.6.32-30-server -rw-r--r-- 1 root root 110676 2011-04-08 17:07 config-2.6.32-31-server -rw-r--r-- 1 root root 110687 2011-04-20 16:53 config-2.6.32-32-server -rw-r--r-- 1 root root 110687 2011-07-29 16:07 config-2.6.32-33-server -rw-r--r-- 1 root root 110687 2011-09-13 18:00 config-2.6.32-34-server -rw-r--r-- 1 root root 110687 2011-10-11 11:10 config-2.6.32-35-server drwxr-xr-x 3 root root 6144 2011-12-02 06:26 grub/ -rw-r--r-- 1 root root 8258196 2011-05-18 11:58 initrd.img-2.6.32-30-server -rw-r--r-- 1 root root 8259568 2011-05-23 20:24 initrd.img-2.6.32-31-server -rw-r--r-- 1 root root 8257374 2011-05-30 07:47 initrd.img-2.6.32-32-server -rw-r--r-- 1 root root 8287489 2011-08-10 06:37 initrd.img-2.6.32-33-server -rw-r--r-- 1 root root 8288075 2011-09-29 06:37 initrd.img-2.6.32-34-server drwx------ 2 root root 12288 2011-05-18 11:46 lost+found/ -rw-r--r-- 1 root root 160280 2010-03-23 03:40 memtest86+.bin -rw-r--r-- 1 root root 2179117 2011-03-01 19:02 System.map-2.6.32-30-server -rw-r--r-- 1 root root 2179628 2011-04-08 17:07 System.map-2.6.32-31-server -rw-r--r-- 1 root root 2178240 2011-04-20 16:53 System.map-2.6.32-32-server -rw-r--r-- 1 root root 2178382 2011-07-29 16:07 System.map-2.6.32-33-server -rw-r--r-- 1 root root 2178952 2011-09-13 18:00 System.map-2.6.32-34-server -rw-r--r-- 1 root root 2179333 2011-10-11 11:10 System.map-2.6.32-35-server -rw-r--r-- 1 root root 1336 2011-03-01 19:08 vmcoreinfo-2.6.32-30-server -rw-r--r-- 1 root root 1336 2011-04-08 17:13 vmcoreinfo-2.6.32-31-server -rw-r--r-- 1 root root 1336 2011-04-20 16:54 vmcoreinfo-2.6.32-32-server -rw-r--r-- 1 root root 1336 2011-07-29 16:08 vmcoreinfo-2.6.32-33-server -rw-r--r-- 1 root root 1336 2011-09-13 18:03 vmcoreinfo-2.6.32-34-server -rw-r--r-- 1 root root 1336 2011-10-11 11:11 vmcoreinfo-2.6.32-35-server -rw-r--r-- 1 root root 4111552 2011-03-01 19:02 vmlinuz-2.6.32-30-server -rw-r--r-- 1 root root 4113344 2011-04-08 17:07 vmlinuz-2.6.32-31-server -rw-r--r-- 1 root root 4106528 2011-04-20 16:53 vmlinuz-2.6.32-32-server -rw-r--r-- 1 root root 4107648 2011-07-29 16:07 vmlinuz-2.6.32-33-server -rw-r--r-- 1 root root 4108960 2011-09-13 18:00 vmlinuz-2.6.32-34-server -rw-r--r-- 1 root root 4111040 2011-10-11 11:10 vmlinuz-2.6.32-35-server I was able to find the old kernel packages like so: phrogz@planar:/boot$ dpkg -l | grep linux-image ii linux-image-2.6.32-30-server 2.6.32-30.59 Linux kernel image for version 2.6.32 on x86 ii linux-image-2.6.32-31-server 2.6.32-31.61 Linux kernel image for version 2.6.32 on x86 ii linux-image-2.6.32-32-server 2.6.32-32.62 Linux kernel image for version 2.6.32 on x86 ii linux-image-2.6.32-33-server 2.6.32-33.72 Linux kernel image for version 2.6.32 on x86 ii linux-image-2.6.32-34-server 2.6.32-34.77 Linux kernel image for version 2.6.32 on x86 iF linux-image-2.6.32-35-server 2.6.32-35.78 Linux kernel image for version 2.6.32 on x86 iU linux-image-server 2.6.32.36.42 Linux kernel image on Server Equipment. …and I can see that many of them are older than my current image: phrogz@planar:/boot$ uname -a Linux planar 2.6.32-34-server #77-Ubuntu SMP Tue Sep 13 20:54:38 UTC 2011 x86_64 GNU/Linux However, I can't actually remove them due to an unmet dependency: phrogz@planar:/boot$ sudo apt-get --purge remove linux-image-2.6.32-30-server Reading package lists... Done Building dependency tree Reading state information... Done You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: linux-image-server: Depends: linux-image-2.6.32-36-server but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). But I can't fix the dependency (presumably due to low disk space): phrogz@planar:/boot$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: liblcms1 linux-headers-2.6.32-32-server libnspr4-0d linux-headers-2.6.32-33-server linux-headers-2.6.32-32 linux-headers-2.6.32-33 linux-headers-2.6.32-34 libcups2 tzdata-java libjpeg62 linux-headers-2.6.32-34-server libavahi-client3 ca-certificates-java libnss3-1d Use 'apt-get autoremove' to remove them. The following extra packages will be installed: linux-image-2.6.32-36-server Suggested packages: fdutils linux-doc-2.6.32 linux-source-2.6.32 linux-tools The following NEW packages will be installed: linux-image-2.6.32-36-server 0 upgraded, 1 newly installed, 0 to remove and 8 not upgraded. 3 not fully installed or removed. Need to get 0B/31.8MB of archives. After this operation, 128MB of additional disk space will be used. Do you want to continue [Y/n]? (Reading database ... 145200 files and directories currently installed.) Unpacking linux-image-2.6.32-36-server (from .../linux-image-2.6.32-36-server_2.6.32-36.79_amd64.deb) ... Done. dpkg: error processing /var/cache/apt/archives/linux-image-2.6.32-36-server_2.6.32-36.79_amd64.deb (--unpack): failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb during `./boot/vmlinuz-2.6.32-36-server': No space left on device dpkg-deb: subprocess paste killed by signal (Broken pipe) Running postrm hook script /usr/sbin/update-grub. Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.32-35-server Found linux image: /boot/vmlinuz-2.6.32-34-server Found initrd image: /boot/initrd.img-2.6.32-34-server Found linux image: /boot/vmlinuz-2.6.32-33-server Found initrd image: /boot/initrd.img-2.6.32-33-server Found linux image: /boot/vmlinuz-2.6.32-32-server Found initrd image: /boot/initrd.img-2.6.32-32-server Found linux image: /boot/vmlinuz-2.6.32-31-server Found initrd image: /boot/initrd.img-2.6.32-31-server Found linux image: /boot/vmlinuz-2.6.32-30-server Found initrd image: /boot/initrd.img-2.6.32-30-server Found memtest86+ image: /memtest86+.bin done Errors were encountered while processing: /var/cache/apt/archives/linux-image-2.6.32-36-server_2.6.32-36.79_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) How do I free up space on /boot so that I can fix my dependencies? Should I just delete the files manually? And then, should I resize my /boot to be larger, so this doesn't happen again? If so, how? If not, what maintenance should I be running regularly to prevent the accumulation of this cruft?

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  • Whether to go for part MBA or not [closed]

    - by Santosh singh
    I need your help in knowing more about SP Jain Finance MBA. I am currently working in Singapore as a tech lead having 6.5 year experience in IT, planning to do part time MBA. There are currently 3 specialisation offered- marketing,operations and finance- I am not sure which one to choose. Whether I would be able to find a job in finance after getting MBA degree from SP Jain. Basically I do not forsee any career growth in my present company, so in a fix should I do MBA or go for some specialised course if you suggest.

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  • Before and After the Programmer Life [closed]

    - by Gio Borje
    How were people before and after becoming programmers through a black box? In a black box, the implementation is irrelevant; therefore, we focus on the input and output: High School Nerd -> becomeProgrammer() -> Manager (Person Before) -> (Person as Programmer) -> (New Person) (Person Before) -> (Person as Programmer) How are the typical lives of people before they became programmers? Why do people pursue life as a programmer? (Person as Programmer) -> (New Person) How has becoming a programmer changed people afterwards? Why quit being a programmer? Anecdotes would be nice. If many programmers have similar backgrounds and fates, do you think that there is some sort of stereotypical person that are destined to become programmers?

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  • Voice echo in UDP based voice transmission [closed]

    - by Meherzad
    I have coded a java application for voice transmission between to ip in LAN. Here the code. public static Boolean flag= true; public static Boolean recFlag=true; DatagramSocket UDPSocket=null; AudioFormat format = null; TargetDataLine microphone=null; byte[] buffer=null; DatagramPacket UDPPacket=null; public void startChat(String ipAddress){ try{ buffer = new byte[1000]; UDPSocket=new DatagramSocket(1987); Thread th=new Thread(new Listener()); th.start(); microphone = AudioSystem.getTargetDataLine(format); format= new AudioFormat(8000.0f, 16, 1, true, true); UDPPacket = new DatagramPacket(buffer, buffer.length, InetAddress.getByName(ipAddress), 1988); microphone.open(format); microphone.start(); while (flag) { microphone.read(buffer, 0, buffer.length); UDPSocket.send(UDPPacket); } } catch(Exception e){ System.out.println(" ssss "+e.getMessage()); } } public class Listener extends Thread{ byte[] buff=new byte[1000]; DatagramSocket UDPSocket1=null; DatagramPacket recPacket=null; DataLine.Info info = new DataLine.Info(SourceDataLine.class, format); SourceDataLine line=null; @Override public void run(){ try{ UDPSocket1=new DatagramSocket(1988); format= new AudioFormat(8000.0f, 16, 1, true, true); line = (SourceDataLine) AudioSystem.getLine(info); line.open(format); line.start(); } catch(Exception e){ System.out.println("list "+ e.getMessage()); } recPacket=new DatagramPacket(buff, buff.length); while(recFlag){ try{ UDPSocket1.receive(recPacket); buff = (byte[])recPacket.getData(); line.write(buff, 0, buff.length); } catch(Exception e){ System.out.println("errr "+e.getMessage()); } } line.drain(); line.close(); } } Main problem which I am facing that I am getting only echo of my own voice. I am unable to hear voice from the other end only I am hearing is my own voice. Please suggest any solution.

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  • Looking for enterprise web application design inspiration [closed]

    - by Farshid
    I've checked many websites to be inspired about what the look and feel of a serious enterprise web-application should look like. But the whole I saw were designed for being used by single users and not serious corporate users. The designs I saw were mostly happy-colored, and looked like being developed by a small team of eager young passionate developers. But what I'm looking for, are showcases of serious web apps' designs (e.g. web apps developed by large corporations) that are developed for being used by a large number of corporate uses. Can you suggest me sources for this kind of inspiration?

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