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• SQL Sentry Plan Explorer : Version 1.1!

  - by AaronBertrand

  Last week, Microsoft offered up an early Christmas present: SQL Server 2005 SP4 . This week, it's SQL Sentry 's turn to play Santa Claus: several new features and fixes have been packaged up into SQL Sentry Plan Explorer 1.1 (build 6.0.67.0). So, what's new? Several wish list items have been fulfilled (hey, it is Christmas, after all). You can see the full change list here ; but I'll talk briefly about a few of my favorites: Parallel distribution The Plan Tree tab for a parallel operator now shows...(read more)

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• Resources on concepts/theory behind GUI development?

  - by ShrimpCrackers

  I was wondering if there were any resources that explain concepts/theory behind GUI development. I don't mean a resource that explains how to use a GUI library, but rather how to create your own widgets. For example a resource that explains different methods on how to implement scrollable listboxes. I ask because I have an idea for a game tool where I would like to create my own widgets and let users drag and drop them onto some kind of form. How do GUI libraries usually draw widgets? I'm not sure if reskinning widgets from a GUI library fits my needs, since widget behavior needs to be dynamic based on user interaction.

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• Creating A Simple Bash Script With Multiple Commands

  - by unorthodox grammar

  Trying to create a bash script that opens gnome-terminal, and then runs ls to display the contents of a directory, but it just opens gnome-terminal. I will be creating some other scripts that also use multiple commands. My script: #!/bin/bash gnome-terminal ls -a /examplefolder EDIT: To clarify what I'm trying to achieve. I'm trying to create a script that will open gnome-terminal, list the contents of /examplefolder, and then be ready for regular terminal usage. Is this possible, or am I barking up the wrong tree?

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• Add Reference with Search

  - by Daniel Cazzulino

  If you have been using VS2010 for any significant amount of time, you surely came across the awkward, slow and hard to use Add Reference dialog. Despite some (apparent) improvements over the VS2008 behavior, in its current form it's even LESS usable than before. A brief non-exhaustive summary of the typical grief with this dialog is: Scrolling a list of *hundreds* of entries? (300+ typically) No partial matching when typing: yes, you can type in the list to get to the desired entry, but the matching is performed in an exact manner, from the beginning of the assembly name. So, to get to the (say) "Microsoft.VisualStudio.Settings" assembly, you actually have to type the first two segments in their entirety before starting to type "Settings"....Read full article

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• How to add support for the JPEG image format

  - by Samir Sabri

  After installing Imagemagick, I've tested it with jpg image, like this: identify 1.jpg But, I got this result: identify: no decode delegate for this image format `1.jpg' @ error/constitute.c/ReadImage/550. Then, I tried to add support for JPEG format by: yum install libjpeg libjpeg-devel but, I got: Setting up Install Process No package libjpeg available. No package libjpeg-devel available. Nothing to do I thought I need to update the apt-get, I did: apt-get install libjpeg libjpeg-devel but, I got: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libjpeg E: Unable to locate package libjpeg-devel Is there an easy way to get those libraries installed ? I am using Ubuntu 12.04.

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• Game Code Design for Rendering

  - by kuroutadori

  I first created a game on the iPhone and I'm now porting it to Android. I wrote most of the code in C++, but when it came to porting it wasn't so easy. The Android way is to have two threads, one for rendering and one for updating. This due to some devices blocking when updating the hardware. My problem is that I am coming from the iPhone. When I transition, say from the Menu to the Game, I would stop the Animation (Rendering) and load up the next Manager (the Menu has a Manager and so has the Game). I could implement the same thing on Android, but I have noticed on game ports like Quake, don't do this - as far as I can tell. I have learnt that I cannot just dynamically add another Renderer class the the tree because I will probably get a dequeuing buffer error - which I believe to be a problem with the OpenGL ES side. So how is it done?

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• The updated Survey pattern for Power Pivot and Tabular #powerpivot #tabular #ssas #dax

  - by Marco Russo (SQLBI)

  One of the first models I created for the many-to-many revolution white paper was the Survey one. At the time, it was in Analysis Services Multidimensional, and then we implemented it in Analysis Services Tabular and in Power Pivot, using the DAX language. I recently reviewed the data model and published it in the Survey article on DAX Patterns site. The Survey pattern is the foundation for others, such as the Basket Analysis, and it is widely used in many different business scenario. I was particularly happy to know it has been using to perform data analysis for cancer research! In this article I did some maintenance on the DAX formulas, checking that the proper error handling is part of the formulas, and highlighting some differences in slicers behavior between Excel 2010 and Excel 2013, which could be particularly important for the Survey scenario. As usual, we provide sample workbooks for both Excel 2010 and Excel 2013, and we use DAX Formatter to make the DAX code easier to read. Any feedback will be appreciated!

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• How can I install binutils from source?

  - by sven

  uname -a: Linux ubuntu 3.5.0-23-generic #35-Ubuntu SMP Thu Jan 24 13:05:29 UTC 2013 i686 i686 i686 GNU/Linux root@ubuntu:/home/ubuntu# apt-get source binutils Reading package lists... Done Building dependency tree Reading state information... Done E: Ignore unavailable target release 'stable' of package 'binutils' E: Unable to find a source package for I did apt-get update before typing the command. How can I get binutils? I am using Ubuntu 12.10. I am following the instruction on https://wiki.ubuntu.com/Toolchain/Crosscompilers/ARMEABIToolchain I am stuck at the first line. I did sudo add-apt-repository ppa:germia/archive3 previously, however I got some errors then, I did sudo add-apt-repository --remove ppa:germia/archive3 to undo the setting. I wonder if my problem is related wtih this PPA?

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• Your software-problem-solution approach

  - by Panoy

  I am unfamiliar with many software development philosophies/approaches such as these: DDD - Domain Driven Development Design TDD - Test Driven Development BDD - Behavior Driven Development Other 3-letter acronym that ends with "development" and many more My question is, when will you get to decide to choose what kind of philosophy/approach to follow? Especially the top 3 approach in the list: What is TDD for? Why use DDD for this problem? Mainly your answer would be a case-to-case basis or maybe that there is no single universal philosophy/approach to consider. In that case, could you just tell me what type of project/scenario and why did you use that philosophy/approach.

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• Cannot install nodejs and npm

  - by user809829

  I'm trying to install nodejs and npm, however, it fails. This is my terminal: sudo apt-get install nodejs npm Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: nodejs : Conflicts: npm E: Unable to correct problems, you have held broken packages. What to do? I'm kinda lost :(

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• Text selection CTRL+SHIFT+Cursor Keys?

  - by mark

  Hi, I'm used to this Windows behavior that using CTRL+SHIFT+Cursor Keys I can select text word-wise. CTRL+Cursor Keys jumps word-wise and I use that a lot in combination with SHIFT to select text. This seems to be a "Windows thing" because it just works in all application. Now turning to Ubuntu 10.04, it doesn't work. CTRL+SHIFT+Cursor Keys just behaves like CTRL+Cursor Keys, i.e. I jump between the words but I can't select them that way. Another gotcha: I use CTRL+Cursor Keys to move fast between words, press down SHIFT, release CTRL and move the Cursor Keys to select text char by char and it doesn't work either. I need to release both keys complete. Is there a way to enable this?

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• What is the benefit of writing to a temp location, And then copying it to the intended destination?

  - by Devdatta Tengshe

  I am writing an application that works with satellite Images, and my boss asked me to look at some of the commercial application, and see how they behave. I found a strange behavior and then as I was looking, I found it in other standard applications as well. These Programs first write to the temp folder, and then copy it to the intended destination. Example: 7zip first extracts to the temp folder, and then copies the extracted data to the location that you had asked it to extract the data to. I see several problems with this approach: 1.The temp folder might not have enough space, while the intended location might have that much space. 2.If it is a large file, it can take a non-negligible amount of time for the copy operation. I thought about it a lot, but I couldn't see one single positive point to doing this. Am I missing something, or is there a real benefit to doing this?

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• When starting or log off/on, add'l panels show and some panel applets are duplicated

  - by keepitsimpleengineer

  After upgrading to 12.04 Gnome Classic amd64,every time I log on a new additional blank panel appears on the top and bottom panels - which I delete every time. In addition, the default panel applets are duplicated in the original panels. Also the panels in the second screen are empty (in addition to the wallpaper being hidden). Update: As suggested by fossfreedomm I created a new user and the same behavior occurred. I increased the height of the panels (2436) and the added panels did not change. If I don't remove the added panels and log off/on I get still another - they accumulate. If I switch user instead of logoff/logon, the add'l panel do not appear.

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• How to install packages which apt-get can't find?

  - by newcomer

  Hi, I need these packages to build Android source. But I am getting this error: $ sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev ia32-libs x11proto-core-dev libx11-dev lib32readline5-dev lib32z-dev [sudo] password for asdf: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libc6-dev-i386 E: Unable to locate package lib32ncurses5-dev E: Unable to locate package ia32-libs E: Unable to locate package lib32readline5-dev E: Unable to locate package lib32z-dev I tried to download & install say libc6-dev-i386 debian package form here. But when I double click on the .deb file Ubuntu Software Manager says wrong architecture 'amd64'. (My OS: Ubuntu 10.10 (updated), Processor: AMD phenom II.)

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• Workaround the flip queue (AKA pre-rendered frames) in OpenGL?

  - by user41500

  It appears that some drivers implement a "flip queue" such that, even with vsync enabled, the first few calls to swap buffers return immediately (queuing those frames for later use). It is only after this queue is filled that buffer swaps will block to synchronize with vblank. This behavior is detrimental to my application. It creates latency. Does anyone know of a way to disable it or a workaround for dealing with it? The OpenGL Wiki on Swap Interval suggests a call to glFinish after the swap but I've had no such luck with that trick.

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• Lenovo Y570 nVidia drivers are giving me problems. (GT 555)

  - by Joe

  So, I've tried the bumblebee "hack" listed HERE:https://github.com/Bumblebee-Project/bbswitch/tree/hack-lenovo I copied every line below into the terminal, is that what I was supposed to do? I'm a Linux noob. git clone http://github.com/Bumblebee-Project/bbswitch.git -b hack-lenovo cd bbswitch mkdir /usr/src/acpi-handle-hack-0.0.1 cp Makefile acpi-handle-hack.c /usr/src/acpi-handle-hack-0.0.1 cp dkms/acpi-handle-hack.conf /usr/src/acpi-handle-hack-0.0.1/dkms.conf dkms add acpi-handle-hack/0.0.1 dkms build acpi-handle-hack/0.0.1 dkms install acpi-handle-hack/0.0.1 echo acpi-handle-hack | sudo tee -a /etc/modules sudo update-initramfs -u (had to use http:// instead of git://, in my uni) It doesn't change anything, I get joe@ubuntu:~$ optirun glxspheres [ 4447.830749] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver [ 4447.830844] [ERROR]Aborting because fallback start is disabled.

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• Why are the packages found with apt-get always horribly out of date?

  - by Andrew

  Whenever I use the package manager, it can only ever find really old versions of stuff. Example: sudo apt-get update sudo apt-get install postgresql The best it can do is version 8.4 (3 years out of date). Trying to get a later version, I get: $ sudo apt-get install postgresql-9.1 Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find package postgresql-9.1 I experience the same issue whenever I use the package manager, so I usually just download and build things from source. How can I make it find up-to-date software?

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• Is chess-like AI really inapplicable in turn-based strategy games?

  - by Joh

  Obviously, trying to apply the min-max algorithm on the complete tree of moves works only for small games (I apologize to all chess enthusiasts, by "small" I do not mean "simplistic"). For typical turn-based strategy games where the board is often wider than 100 tiles and all pieces in a side can move simultaneously, the min-max algorithm is inapplicable. I was wondering if a partial min-max algorithm which limits itself to N board configurations at each depth couldn't be good enough? Using a genetic algorithm, it might be possible to find a number of board configurations that are good wrt to the evaluation function. Hopefully, these configurations might also be good wrt to long-term goals. I would be surprised if this hasn't been thought of before and tried. Has it? How does it work?

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• Html Buttons with Triangles [migrated]

  - by Dmitry

  I'm looking for the simplest way of creating 'buttons' with bootom-central triangles as follows: |--------| | Text | |---\/---| By buttons/menu items I mean something which will will support atomic mouse behavior for the whole shape's region. No rounded corners just the shape itself. I saw plenty of websites doing thsese buttons lately, but now for some strange reason I couldn't find any. Ideally I'm looking for tutorial links or some general guidances, as the topic might be too big to be covered by one post. Technology scope wise - ideally I'm looking for Html5/Css3 solution. I don't care mouch about old IE support and I think Html5/css3 will give a slicker/more elegant solution. On the way forward I might need to add drop shadows, which is another argument in favour of css3. Thanks.

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• Seeking a free Lint for C which programmers will *want* to use

  - by Mawg

  When I try to persuade others to Lint their code I always get excuses - too difficult to set up, too difficult to understand, false positives, etc (most of which translates to too lazy, too stupid or too afraid of new things). Is there any way that I can make Linting easier? We code in C using Netbeans. Can I incorporate Splint into Netbeans? I did find a Splint GUI which was quite good, but there was no way to lint a directory tree. Any ideas? Thanks in advance

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• Android Emulator - Ubuntu 12.04

  - by Aneesh karthik C

  When I type in the command @emulator Andreud where 'Andreud' is the name of the emulator I created. It gives the following errors and a blank screen in which I should get android home screen, icons, etc shows up. PVRDRIInitPVR2D: PVR2D device index (0)Failed to load libGL.so error libGL.so: cannot open shared object file: No such file or directory Failed to load libGL.so error libGL.so: cannot open shared object file: No such file or directory As per a comment I tried installing ia32-libs aneesh@nb14:~$ sudo apt-get install ia32-libs Reading package lists... Done Building dependency tree Reading state information... Done Package ia32-libs is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'ia32-libs' has no installation candidate I want the home screen to appear. Any help is greatly appreciated.

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• Session and Cache are By Reference

  Recently a colleague remarked that if he got a List of some type out of the ASP.NET Cache, and changed an item, the Cache item would also change.That is correct. Session (InProc) , Cache and Application all return "live" references. A good writeup on this can be found by friend and fellow MVP Rick Strahl here:http://www.west-wind.com/Weblog/posts/1214.aspxIf you do not want this behavior, you need to either delete the Session / Cache / Application object and replace it with what you want later, or...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Unity launcher Hebrew locale

  - by Gx1sptDTDa

  I am setting up a user account for someone wanting to use a Hebrew locale in Ubuntu 13.04. Everything nicely aligns to the right-hand side when using the Hebrew locale, except for the Unity launcher. This still sticks to the left-hand side, which sort of looks very odd in an otherwise right-hand side locale. See the screenshot Now I know moving the Unity launcher position is not possible normally, but one would expect that it automagically aligns to the right-hand side in a right-hand side locale. When setting up the account, I first set the locale to English (since I myself don't understand Hebrew), and only later changed it to Hebrew. Is this the "wrong" way of setting up a right-hand side user-account, or is this left-hand side launcher the expected behavior of Unity even in a right-hand side locale?

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• why is emacs allowing multiple instances?

  - by Chad

  Around the time I fresh installed Ubuntu 12.04, I noticed that I can start multiple instances of Emacs. I find this annoying because I will think that a buffer should be open, but I'm in the wrong Emacs window. I may have changed something in .emacs, but I really don't think I did. I also reverted all of my customizations that are stored in ~/.emacs.d/custom.el. Emacs previously would give some error about another emacs server being open when I would attempt to start an additional instance of it, but it no longer does this. Any ideas on how to restore this behavior?

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• Why can I only put some items in the launcher?

  - by HaskellElephant

  Whenever I search for an item using dash it knows the default way of opening it. However if I drag a file into the launcher it can't be added, even if it is executable. For example if you would like minecraft to show up you will have to add a custom launcher, or if you use dash to find a pdf file, you can double click it and it opens evince however you cannot drag it into the launcher. The animation surrounding this behavior suggests that this was done by design. Why is this useful or necessary? Is it a bug?

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