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• big lie about programmer [closed]

  - by gcc

  About computer engineering/ computer science, Can you give me big lie ? ex : - There is no need to attend school ( study computer engineering ). Because every one can code ( write program ) - Programmer cannot do web design , they can only write code - there are no difference between software engineer and coder EDIT: A lie is a type of deception in the form of an untruthful statement, especially with the intention to deceive others. Why someone try to deceive other people especially customer ? I think they try to prove they are real computer engineer without having diploma in computer science. If you look in that manner to my answer you can easily understand what I want

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• How to organize unit/integration test in BDD

  - by whatf

  So finally after reading a lot, I have understood that the difference between BDD and TDD is between T & B. But coming from basic TDD background, what I used to was, first write unittest for database models write test for views (at this point start with integration test as well, along with unittests) write more integration tests for testing UI stuff. What would be a correct way to approach BDD. Say I have a simple blog application. Given : When a user logs in. He should be shown list of all his posts. But for this, I need a model with a row user, another row blog posts. So how do we go about writing tests? when do we create fixtures? When do we write integration (selenium) tests?

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• display port on x230 not working

  - by Aaron

  having problems with my new lenovo x230 - using dual montiors, only vga registers anything. This has the Intel graphics controller : 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) TO get it to even boot, had to add the nomodeset parameter to the kernel. Otherwise will not even start up X Ive upgraded my kernel to the latest 3.6 with no difference. The display section reads the monitor as the only display and labels it as laptop. Cant seem to get it to work! Any help would be greatly appreciated.

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• How do I increase the touchpad sensitivity on Acer Aspire One 532h?

  - by Yossi Farjoun

  I got a cheap netbook and put ubuntu on it without even booting into the windows it came with. I am now slightly regretting it since the trackpad is very annoying, it only registers when I press quite hard on it, and even then the motion is so slow that I must drag me poor finger 3 times to get the pointer to move up or down that tiny screen. OK. enough rant. now business: I went into the setting and increase sensitivity and acceleration to high. No difference. the behaviour did not change at all. So now my questions are: Is this a hardware problem? Is there a program I can run to see what input the trackpad is receiving? so I know if it can, in theory, read the light touch and not only the heavy, sandpaper-your-fingertips-off touch? is there some manual setting that the system might not be setting correctly and which I could change from the terminal?

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• Flash site loads slowly

  - by bogdanvursu

  I have a simple html page that embeds an swf, that downloads other xml, swf and image files. The total count of the requests reaches about 90. I am aware that it should take a while until the content is available and I am OK with that. All the needed files are hosted by two different providers in the US: flashxml.net/monochrome-demo.html and u1.flashcomponents.net/samples/8751/index.html From two different countries in Europe, the content shows up a lot later (almost twice as later) from flashxml, than flashcomponents. I've done mtr tests and the ping difference is about 40ms and the flashxml server load is below 1. Do you have any other suggestions as to what should I look at?

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• Launcher icon differences in pixels between monitors usign same resolution

  - by Luis Alvarado

  Today I got to test a Samsung SyncMaster 2043nwx. My normal monitor was a 1080p Soniview TV that supports 1920x1080. I use 1680x1050 (16:10) as my common resolution. My amazed is when I see that the launcher icons looks more to a "correct size" of 32px to what they show in my Soniview where they actually take about 50% more using the same resolution. They are both the same resolution but in the Soniview the launcher icons look 50% bigger than the ones in the Samsung. My question is then, why the difference between both monitors since they are using the same resolution but are showing different launcher icon sizes.

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• How to fix slow wireless with Intel 4965 AGN? [closed]

  - by mikewhatever

  Possible Duplicate: Slow wireless with an Intel 4965 We run Ubuntu 12.04, 32bit, with the current kernel 3.2.27-generic on an MSI EX700. I've already added the 11n_disable=1 tweek, without whcih, wireless has been unusable. Now, it works OK, but speedtest shows: Windows XP - down 11.68mbps, up 2.07mbps Ubuntu 12.04 - down 2.06mbps up 2.0mbps We've disabled ipv6, tried static and dinamic IPs, tried both swcrypto=0 and swcrypto=1 options, none of whcih made any difference. The problem may be the symptom of high packet loss. For example, here's the output of iwconfig after booting and testing the speeds: wlan0 IEEE 802.11abg ESSID:"amu" Mode:Managed Frequency:2.462 GHz Access Point: 00:78:9E:FA:32:C8 Bit Rate=54 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=58/70 Signal level=-52 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:11 Invalid misc:3627 Missed beacon:0 I've posted a help request before with lots of technical info and outputs.

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• How to devise instruction set of a stack based machine?

  - by Anindya Chatterjee

  Stack based virtual machines like CLR and JVM has different set of instructions. Is there any theory behind devising the instruction set while creating a virtual machine? e.g. there are JVM instruction sets to load constants from 0-5 onto the stack iconst_0 iconst_1 iconst_2 iconst_3 iconst_4 iconst_5 whereas in CLR there are instruction set to load number from 0 to 8 onto the stack as follows ldc.i4.0 ldc.i4.1 ldc.i4.2 ldc.i4.3 ldc.i4.4 ldc.i4.5 ldc.i4.6 ldc.i4.7 ldc.i4.8 why there is no ldc.i4.9 and if ldc.i4 is there why we need the above opcodes? And there are others like these. I am eager to know what is the reason behind this difference between opcodes of different VMs? Is there any specific theory to devise these opcodes or it is totally driven by the characteristics of the VM itself or depends on the high-level language constructs?

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• What You Said: The First Things to Do After Installing a New OS

  - by Jason Fitzpatrick

  Earlier this week we asked you to share the steps you went through after installing a new operating system. You responded and we rounded up your responses. Our Ask the Readers series gives you, the awesome How-To Geek reader, a chance to share your tips, trick, and technological know-how with your fellow readers right on the front page. Every week we ask a question and every week we round up your tips to share. This week we’re taking a look at your tips and tricks from What’s the First Thing You Do After Installing a New OS.HTG Explains: What’s the Difference Between the Windows 7 HomeGroups and XP-style Networking?Internet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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• Should I submit my RSS feed as Google Sitemap?

  - by Svish

  I currently have no sitemap for a website I'm creating. I do have an RSS feed which includes the N latest updated posts on the site. It doesn't include everything on the site though, just blog posts. Creating a full sitemap would be a bit of a hassle I think. Should I submit the feed instead? Is there a difference between using a regular sitemap and a feed? Is it important to have a sitemap? What happens when you do/don't?

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• Nice function for "rolling score up"?

  - by bobobobo

  I'm adding to the player's score, and I'm using a per-frame formula like: int score, displayedScore ;// score is ACTUAL score player has, // displayedScore is what is shown this frame to the player // (the creeping/"rolling" number) float disparity = score - displayedScore ; int d = disparity * .1f ; // add 1/10 of the difference, if( !d ) d = signum( disparity ) ; // last 10 go by 1's score += d ; Where inline int signum( float val ){ if( val > 0 ) return 1 ; else if( val < 0 ) return -1 ; else return 0 ; } So, it kind of works where it makes big changes rapidly, then it creeps in the last few one at a time. But I'm looking for better (or possibly well known?) score-creeping functions. Any one?

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• movement of sprites with kinect and xna

  - by pablopp83

  im working on a proyect with kinect sdk and xna 4.0. i need take the position of the hands and draw a sprite over it. im doing it directly and, because of that, i get a "trembling hands" effect. so, i was thinking on make the sprite move from the previous position to the new one, given in every frame by the new hand position. this way, the sprite does not jump from one position to another. this is working just fine, but im using a constant value for the velocity, and i really would like to use a variable velocity given by the difference between the prev and the new position. this is, if the hand move more quickly in the reality, the velocity will be higher. I really dont have a clue on how to make this works. can somebody point me in the right direction? thanks.

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• The error indicates that IIS is in 32 bit mode, while this application is a 64 b it application and thus not compatible.

  - by Patrick Olurotimi Ige

  I was trying to install a new WSS v3 Sharepoint on a 64 bit Windows 2003 server today but the installation was giving some error saying i would need to allow ASP.NET 2.0 in the web server extension in IIS.  Looking at the IIS there was a ASP.NET 2.0 32 bit allowed but not for a 64 bit. I tried registering the aspnet_regiis but no luck by doing so: For the 32 bit verison %SYSTEMROOT%\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -i For the 64bit version %SYSTEMROOT%\Microsoft.NET\Framework64\v2.0.50727\aspnet_regiis.exe -i I get the error "The error indicates that IIS is in 32 bit mode, while this application is a 64 b it application and thus not compatible." The difference is the \Framework64 folders So my next guess was to find a way to disable the 32 bit and then allow the 64 bit version. And luckily enough i found this link    MS to the rescue So just ran : cscript %SYSTEMDRIVE%\inetpub\adminscripts\adsutil.vbs SET W3SVC/AppPools/Enable32bitAppOnWin64 0 and the registered the %SYSTEMROOT%\Microsoft.NET\Framework64\v2.0.50727\aspnet_regiis.exe -i and that was it

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• Callbacks: when to return value, and when to modify parameter?

  - by MarkN

  When writing a callback, when is best to have the callback return a value, and when is it best to have the callback modify a parameter? Is there a difference? For example, if we wanted to grab a list of dependencies, when would you do this: function GetDependencies(){ return [{"Dep1" : 1.1}, {"Dept2": 1.2}, {"Dep3" : 1.3}]; } And when would you do this? function RegisterDependencies(register){ register.add("Dep1", 1.1); register.add("Dep2", 1.2); register.add("Dep3", 1.3); }

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• Skype installed or not installed, that is the question

  - by Merle

  After upgrading 11.10 to 12.04, I noticed that Skype 2.2.0.35 was no longer on the sidebar of icons. Found it in Dash and it runs but no sound. Figured I'd check Ubuntu Software Center and reinstall but it indicates a different version - 2.2.0.35-0precise3 - and indicates that Skype is not installed. Attempting to go ahead and install errors saying that it can't install when skype is already installed. sudo apt-get remove skype ...says "Package skype not installed" Tried to update apt-get but that didn't make any difference. Seems like it would be best to straighten this all out so it's right and, presumably, the newer version is probably better to have installed. Can anyone step me through how to do so?

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• How to determine if class meets single responsibility principle ?

  - by user1483278

  Single Responsibility Principle is based on high cohesion principle. The difference between the two is that highly cohesive classes feature a set of responsibilities that are strongly related, while classes adhering to SRP have just one responsibility. But how do we determine whether particular class features a set of responsibilities and is thus just highly cohesive, or whether it has only one responsibility and is thus adhering to SRP? Namely, isn't it more or less subjective, since some may find class very granular ( and as such will consider a class as adhering to SRP ), while others may find it not granular enough?

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• unit testing on ARM

  - by NomadAlien

  We are developing application level code that runs on an ARM processor. The BSP (low level code) is being delivered by a 3d party so our code sits just on top of this abstraction layer (code is written in c++). To do unit testing, I assume we will have to mock/stub out the BSP library(essentially abstracting out the HW), but what I'm not sure of is if I write/run the unit test on my pc, do I compile it with for example GCC? Normally we use Realview compiler to compile our code for the ARM. Can I assume that if I compile and run the code with x86 compiler and the unit tests pass that it will also pass when compiled with RealView compiler? I'm not sure how much difference the compiler makes and if you can trust that if the x86 compiled code pass the unit tests that you can also be confident that the Realview compiled code is ok.

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• Importance of having EDU backlinks

  - by maisdesign

  I've built a few links on 50 EDU / GOV websites. 1 of them has PR 8, 3 of them have PR 7, 8 of them PR6,7 of them PR5,12 of them PR4,8 of them PR3, 1 of them PR2, 6 of them PR1, 10 of them PR0. My website has PR3 and is on first page of Google/Yahoo/Bing for a few keywords that I like How long will it take to notice a difference in PR or domain authority? (Don't tell me that PR has no value now, I know it but it is a 'fashion' thing). So you say that DOMAIN Authority isn't an important factor?

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• Print to file in Black and White [not printer specific]

  - by user2413

  Hi all, I have these pdf files of c++code and they are colored which would be cool, except that the network printer here is b&w and the printed out codes come in various shades of pale grey which makes them essentially unreadable (specially the comments). I would like everything (text, codes, commands,...) to be printed in the same (black) color. i've tried fuddling with the printer's properties, but the closest thing i see is the 'level of grey' tab, and there i have the choice between 'enhanced' and 'normal' (and it doesn't make a difference in my case). i've tried 'print to file', but i don't see any options there to print to b&w, I've tried installing the 'generic cups printer', but again no options to print to b&w. any idea ? (i'm on 10.10)

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• ubuntu-overlay-scrollbars set to false shows no arrows in several cases

  - by Willem van Gerven

  I'm running 12.04, and prefer the more conservative style "normal" scrollbars over the overlay scrollbars. I have set them to false in the terminal: gsettings set org.gnome.desktop.interface ubuntu-overlay-scrollbars false However after doing so, with some apps (e.g. Nautilus, Document Viewer) my scrollbars only view a vertical bar, but no arrows on the top and bottom to scroll up and down. With some programs these are shown though, for instance Gummi and Texmaker. It would make a big difference (for instance when having to scroll pdf documents containing several hundreds of pages) to have those arrows reinstated. Is there any way to make this work?

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• Loading Texture2D is extremly slow on XBOX360

  - by AvrDragon

  I have ~100 sprites for each level im my XNA game. On windows it takes ~2 seconds to load them all. Unfortunately on XBOX360 it takes ~30-60 seconds. Am i doing something wrong? Essentially the loading code ist just like this: Texture2D sprite1 = levelContent.Load<Texture2D>("images/level_1/my_sprite_1"); ... Texture2D sprite100 = levelContent.Load<Texture2D>("images/level_1/my_sprite_100"); (i use an own content manager for each level to release all level-specific textures at once) Of course i can reduse the ammount of sprites using a spritesheet, but it's extremly painfull for me now. Do i have a better option? And just curious - why is there such huge difference in image loading time?

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• Why did the team at LMAX use Java and design the architecture to avoid GC at all cost?

  - by kadaj

  Why did the team at LMAX design the LMAX Disruptor in Java but all their design points to minimizing GC use? If one does not want to have GC run then why use a garbage collected language? Their optimizations, the level of hardware knowledge and the thought they put are just awesome but why Java? I'm not against Java or anything, but why a GC language? Why not use something like D or any other language without GC but allows efficient code? Is it that the team is most familiar with Java or does Java possess some unique advantage that I am not seeing? Say they develop it using D with manual memory management, what would be the difference? They would have to think low level (which they already are), but they can squeeze the best performance out of the system as it's native.

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• Visual Studio 2010 - Faster Startup with /nosplash

  - by MikeParks

  I read a blog the other day about the /nosplash switch in Visual Studio. Apparently, it's been around a while and I'm a little late on finding out about it. I figured I'd share it for those of you that come across this and didn't know about it as well. Basically all it does is turn off the Visual Studio splash screen which speeds up initial startup time. It's not a big difference but every little bit helps. I choose speed over looks. You can set the switch by right clicking on Visual Studio, selecting Properties, and adding "/nosplash" on the target Property, so it will look like this: "C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe" /nosplash. Feel free to try it out and see if you like it. You can always change it back by just removing the /nosplash switch when you're done testing. There are plenty more Visual Studio switches out there but this is the main one that came in handy for me.   - Mike

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• Newbie in ASP.Net

  - by dnvThai

  I am learning ASP.Net and I am confusing between ASP.Net WebPages, ASP.Net WebForms and ASP.Net MVC. I have read a lot of articles and known the simple difference of their functions, but I don't know the differences of their code. E.g: When I look at int* p = new int(); ... I know that it's C++ style. and Dim A as String it have to be Visual Basic. [?1] I'm not able to detect like that in ASP.Net. How do they different in codes? I use Visual Studio 2010 Express Edition.I like to use C# (I also was learned VisualBasic in shool, but I don't like him). When I create a new project, there're too many types of project, then, I don't know which I should choose (I just want to make a simple site). [?2] What are they used to? Thanks

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• Selecting Dynamic ID JQuery [migrated]

  - by Vedran Wex Maricevic

  I need to select dynamic id using JQuery, and once I select it then I need to do some action on it. This is the HTML that I have: <input id="content_photos_attributes_1355755712119_image" name="content[photos_attributes][1355755712119][image]" size="30" type="file"> Please note the id value, text is always the same however the number changes (I do not have control over that change). What I need to do is to create on click for that element. This is what I got so far, and it is not working. <script type="text/javascript"> jQuery.noConflict(); jQuery("input[id *= 'content_photos_attributes_']").click(function() { alert("Image deletion is clicked"); }); </script> It really makes no difference whether I select that element by ID or by its name.

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