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  • Does facebook store multiple password hashes for each user?

    - by loxxy
    I noticed that Facebook allows multiple variants of my own password : My password as it is. My password with first letter capitalized. My password with all letters capitalized. It is commonly known that passwords are stored as hashes. So my question is, does facebook store multiple hashes for each user? Since the hash of each variant should be completely different... Or am I missing something, here? And there may be more combinations, besides the one I observed as well. This is obviously done to provide a better user experience & they probably have a statistical explanation of people repeating these mistakes. But I could not help but wonder, is it worth to increase so many lookups (in their database) just to help the user type a wrong password? On top of this, they warn about the caps lock (even though they don't seem to care) :

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  • How can you procedurally place objects in a non-gridded game?

    - by nickbadal
    This is a follow-up question to this question. I mistakenly worded the question, but got a good answer before I could correct myself, so I didn't want to delete it. Sorry! Now that I know that it is possible, I'd like to implement procedural world generation, but I don't want it to look gridded or blocky, where everything is obviously placed on an integer grid. I know that you can do this in gridded worlds by inputting a square's x and y into a noise function, or similar, but how can I generate a more natural looking object placement using procedural methods? This is in the context of an adventure game, if it matters.

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  • JS / HTML 5 Compatablity issue on iOS 6

    - by Dhaval
    I'm using HTML 5 to play video and there are some content before the video so I'm using flexroll to scroll that whole window. I'm checking it on iPad, now problem is that in iOS 5 its working fine but when I update to iOS 6 then screen is not scrolling only video is scroll up and down, content is as it is in the position. I can't understand what is the exact problem. Is that js compatibility issue or HTML 5 video compatibility issue. Can anyone please help me to figure out, your help will really be appreciated.

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  • Screen Resolution Change

    - by user75997
    Good Evening members 1) Recently i have installed the plymouth manager and i accidentally set my resolution to 1024X768-24 which does not fit my laptop exactly and everytime my system reboots an error message shows that error: incorrect settings 1024X768-24. I tried to change the resolution from the system seetings Display but now only this 1024X768 is shown in the drop down. Kindly help me to reset the display properties to default. 2) Additionally plymouth is also not responding when i click on it and i want to uninstall it kindly help me in that too. Thank You K.Arun Kumar

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  • What are the Characteristics of a Software "Center of Excellence" (CoE)?

    - by Randy
    Recently a new director of my department came in and expressed his wish that we become a "center of excellence". I expected that since he is my first boss who actually has a programming background that there would be some description of this. However, it was left at that. As I reflected on this over the last few days, I am coming up empty on what a CoE actually means beyond just "being effective" at delivering the product. Here are the main items I am struggling with: Is this just a term that is thrown around by management types? What qualities make a group of software developers and testers excellent? How do you measure excellence in this context?

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  • 44 Tips for Front End Web Devs (Part 1)

    - by Geertjan
    HTML, JavaScript, and CSS development in NetBeans IDE is fairly new, especially the integrated features of all the editors with the browser. In this screencast, newbies (and even those who have used NetBeans for many years) get a series of tips and insights into using NetBeans IDE in the context of HTML5 development. For example, useful keyboard shortcuts, plugins such as Emmet, and much much more is covered: Part 2 of this series, which is also the final part, is set to be published tomorrow. Note: The outline of the screencast is found in yesterday's blog entry!

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  • Is there a way to return a response every x seconds or so to a single http request?

    - by luis
    I'm wondering if it's possible to send a response every second or so to a single http request. Like for example the client makes an http request, then the server sends a space character every second. This could be never ending or with a limit, for example a minute. I think the word 'response' is misleading in this context, since I don't necessarily mean an http response. The whole http response could be composed of the space characters, which would mean a single http response to a single http request, except that it is a minute long. I tried chunked encoding but I don't think it works, or at least my implementation's wrong.

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  • How to create a simple side scroller game

    - by D34thSt4lker
    I'm still pretty new to game programming and any tutorial that I have worked with stuck to only games with the initial screen. I want to start creating my own games but there are a few things that I still need to learn. One of them is how to create a game that side-scrolls. For example; Mario... Or ANY type of game like that... Can anyone give me a small example to create something like that. I'm not asking for any specific language because currently in school I am learning javascript but I know some c++/java/processing/objective-c as well. So any of those languages would be fine and I could probably implement it in any of the others... I have been searching for some help with this for a while now but could never actually get any help on it. Thanks in advance!

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  • APress Deal of the Day - 13/Apr/2012 - Pro WPF and Silverlight MVVM

    - by TATWORTH
    The APress $10 deal of the day for today is "Applied WPF 4 in Context" (http://www.apress.com/9781430234708) starts with a simple introduction to WPF and then shows a complete WPF application from sketch to completed code. This APress web site states "This book can be used by a junior developer to learn WPF and understand how to architect a layered application, and it can also be used by a senior developer as a reference for developing scalable WPF applications. " - this summerises the book very effectively as it is indeed an excellent book both for learning WPF and as a reference for development. I recommend it to all Dot Net development teams.

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  • Visual Studio Load Tests Virtual Users Simulation

    - by Eldar
    Hello, I'm currently working on writing a load testing application that takes advantage of Load Test using Visual Studio 2010. The load test will simulate 20 users on the same machine, and I need some data to be shared in-memory between all simulated users. I was suprised I couldn't find documentation answering the following question: What seperates each virtual user's running context from the other? Does each virtual user runs the tests in its own process? Maybe in its own app domain? Or just on its own thread? I need to know because if each user is running tests in its own process then all the in-memory cache isn't shared and is created for each user instead of one time for all of them, which is bad for me.

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  • huwai 1731 ( mobile broadband ) not working with dell inspiron 3521

    - by N.Ramkumar
    Please help, one of my friend shared this note ( enclosed below), I used these codes and my laptop is able open the data card but I am not getting any signals. I am able to work with wired connection, but wi-fi and mobile broad band are not working. Please help. sudo apt-get purge usb-modeswitch sudo apt-get update sudo spt-get install usb-modeswitch sudo apt-get update gksudo gedit /lib/udev/rules.d/40-usb_modeswitch.rules Once you enter these above commands 40-usb_modeswitch.rules text file will open. Then, copy below mentioned lines into 40-usb_modeswitch.rules text file. #Huawei E1731 ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1446", RUN+="usb_modeswitch '%b/%k'" Save the file Then type : sudo apt-get update Then restart the machine.

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  • SharePoint Search Problem: The crawler could not communicate with the server.

    - by Clara Oscura
    This one was not easy to solve ... Error: The crawler could not communicate with the server. Check that the server is available and that the firewall access is configured. Context: Some pages were not crawled (giving the above error) and, what is worse, all the sub content of that site was not crawled either! (the pages were the homepages of the site) Solution:The pages that could not be crawled due to this error contained a custom web part. This web part used default credentials for a given action. During crawling, the SP_Search account tried to perform this action but did not have the appropriate rights. This gave an error that stopped the crawling for the whole site. This blog helped me: http://patricklamber.blogspot.com/2010/04/why-might-moss-crawler-not-working.html

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  • Changing location after CommitAnimations

    - by Will Youmans
    I'm using the following code to move a UIImageView: shootImg.image = [UIImage imageNamed:@"Projectile Left 1.png"]; [UIView beginAnimations:nil context:nil]; shootImg.center = CGPointMake(shootImg.center.x+1000, shootImg.center.y); [UIView commitAnimations]; This works but what I want to do is after [UIView CommitAnimations]; I want to set the location of shootImg using CGPointMake. If I just put it after commitAnimations then the animation doesn't fully complete. Any suggestions? I'm not using any frameworks like cocos2d and if you need to see any more code just ask.

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  • Human powered document processing

    - by Denivic
    I want to create a "Human powered document processing" website in a formed as a gaming mechanic that will prompt volunteers to weed out text missed by OCR (optical character reader) The challenge is that the OCR output often contains errors and omissions, which hampers searches. Manual corrections is needed to weed out these mistakes, so that the text become machine readable.. I want to accomplish these task by splitting dull repetitive task into tiny microtasks and distributing then to register contributors on my site. I want to digitalized pedigree books into an online database. I want to recreate recaptcha and http://www.digitalkoot.fi/en/splash all roll into one.. Help!!!! What programing languages is best needed to create a recapctch type website and is there any open source project similar to this I can use? I need a some directions to begin this project, so all and any help will be great.

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  • git commit –m “CodePlex now supports Git!”

    Finally, yes, CodePlex now supports Git! Git has been one of the top rated requests from the CodePlex community for some time: Admittedly, when we launched CodePlex, we never expected that at some point we would be running a source control system originally invented by Linus Torvalds to use for the Linux kernel. Though I would also say, nobody would have thought the open source ecosystem would be as important to Microsoft as it has become now. Giving CodePlex users what they ask for and supporting their open source efforts has always been important to us, and we have a long list of improvements planned, so stay tuned as we have more up our sleeves! Why Git? So why Git? CodePlex already has Mercurial for distributed version control and TFS (which also supports subversion clients) for centralized version control. The short answer is that the CodePlex community voted, loud and clear, that Git support was critical. Additionally, we just like it, we use Git on our team every day and making the DVCS workflows more available to the CodePlex community is just the right thing to do. Forks and Pull Requests One of the capabilities that distributed version control systems, such as Mercurial and Git, enable is the Fork and Pull Request workflow.  Just like with Mercurial, projects configured to use Git enable Forking the source and submitting contributions back via Pull Requests. The Fork/Pull Request workflow is a key accelerator to many open source projects and you will see improvements in our support coming later this year. More Choice With the addition of Git, now CodePlex has three options when it comes to Open Source project hosting. Projects can now select between TFS, Mercurial, and Git. Each developer has their own preferences, and for some, centralized version control makes more sense to them. For others, DVCS is the only way to go. We’re equally committed to supporting both these technologies for our users. You can get started today by creating a new project or contribute to an existing project by creating a fork. For help on getting started with Git on CodePlex, see our help documentation here. If you would like to switch your project to use Git, please contact us at CodePlex Support with your project information, and we will be happy to help you out. We're Listening CodePlex is your community, and we want to deliver the experiences you need to have a successful open source project. We want your ideas and feedback to make CodePlex a great development community.  The issue tracker on CodePlex is publicly available. Add suggestions or vote up existing suggestions. And you can always find us on Twitter, I’m @mgroves84; follow us to keep up to date with our latest releases: @codeplex

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  • Installing VMware Worstation/Player 8.0.4 on Ubuntu 12.10 fails to load with Unable to start services

    - by user106986
    I have been attempting to install this application for a few weeks without any success. I have installed and uninstalled the application and pathes with no change. I have even tried to load a VM in Virtualbox and install the application there to a base install of Ubuntu 12.10 and it still did not install. I have downloaded the patch and modified it to reflect the version of VMware Worstation and Player I am installing. I still receive the same error I saw in the first attempt to install the software. Which leads me to think that I am missing something. The error is: Unable to start services. See log file /tmp/vmware-root/modconfig-7674.log for details. I have the output of the log file if that will help. According to the dialogue box Virtual Network Device and VMware Blocking Filesystem fail to either load or execute. Any help would be greatly appreciated.

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  • Leapfrog Crammer won't mount as a USB flash drive

    - by William
    I can't seem to get the Leapfrog Crammer study and sound system to show up as a flash drive under ubuntu so I can transfer stuff to it. I don't want to install the leapfrog bloatware, can someone help me with this? Additional Information: When I plug my crammer into my computer it shows a 1 MB file system with a link to download the crammer software. I want to know how to access the rest of the crammer's file system so I can transfer music to it. The crammer does not show any other partitions in natulius. According to an article on the internet, the crammed is divided into three partitions: One with a link to install the crammer software, one with all content(music, flash cards, etc.) and one for firmware. I want to know how to access the one with the content so I can add music to the player. Can anyone help me with this? Thanks in advance.

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  • Interviewing consultants

    - by SkyOrg
    I've interviewed a number of candidates for salaried positions. I was recently informed that we are hiring a consultant for a few months to help us develop a native iPhone application. We are a .NET shop and none of us have any experience with iPhone development. I've also heard rumors that we are planning to hire more consultants in the future to help develop on other various platforms. How should I interview these consultants, considering that I have no experience with this type of development? Without regards to platform specific questions, what are the things I need to keep in mind when interviewing consultants? Normally when I interview candidates, I'll ask questions that I know the answer to. I would never ask a candidate something that I don't know how to answer. Since this is a different situation, what do I need to ask in order to make sure they are subject matter experts in their respective fields? Is it appropriate to ask specific questions that we'll need to eventually solve during the interview?

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  • No sound after updating from 11.10 to 12.04

    - by shaneo
    Hi I updated a friends computer from 11.10 to 12.04 and the sound stopped working in the built-in speakers. The computer is a Sony Vaio PCG-2J1L. I tried using the guide found here: https://help.ubuntu.com/community/HdaIntelSoundHowto and still no luck. $cat /proc/asound/card0/codec* | grep Codec Codec: Realtek ALC889 $cat /proc/asound/card0/pcm0c/info card: 0 device: 0 subdevice: 0 stream: CAPTURE id: ALC889 Analog name: ALC889 Analog subname: subdevice #0 class: 0 subclass: 0 subdevices_count: 1 subdevices_avail: 1 cat /proc/asound/card0/codec* output can be found here http://paste.ubuntu.com/1043188/ If anymore information is needed just let me know and ill post it here. Thank you in advance for any help with this issue.

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  • Right-click In Ubuntu 11.10 Acts Too Fast - No Fix Yet, Any Workaround?

    - by badlearner
    When I click the right mouse button (anywhere, be it - desktop, browser, console, etc.), the right-click context menu pops up so quickly that the very option in the menu gets clicked. This happens to often to take it easy. This issue has been brought up a couple of times on Ask Ubuntu, but with no fix whatsoever. This is a very low priority issue for the Ubuntu team I believe? (How could they?!) Is there at least a workaround for the issue? Ubuntu is almost unusable for me as it is now. PS: I have a new mouse. So, please don't go about suggesting that I get a new one - - everything's working fine on Windows 7, so should be the case with ubuntu 11.10, which it is not.

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  • Is there a phrase or word to describe an algorithim or program is complete in that given any value for its arguments there is a defined outcome?

    - by Mrk Mnl
    Is there a phrase or word to describe an algorithim or programme is complete in that given any value for its arguments there is a defined outcome? i.e. all the ramifications have been considered whatever the context? A simple example would be the below function: function returns string get_item_type(int type_no) { if(type_no < 10) return "hockey stick" else if (type_no < 20) return "bulldozer" else return "unknown" } (excuse the dismal pseudo code) No matter what number is supplied all possibiblites are catered for. My question is: is there a word to fill the blank here: "get_item_type() is ______ complete" ? (The answer is not Turing Complete - that is something quite different - but I annoyingly always think of something as "Turing Complete" when I am thinking of the above).

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