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• Music player that uses an alarm function with multiple time settings

  - by Mat

  I have tried many different players searching for one with a specific feature that I would think would be easy. Simply, I want to play MP3 primarily. I would like to play a radio stream on Thursdays from 11:00 am until 12:00 pm, then return to playing MP3. Also, because I am in the Husker state, I would like to program another stream to start at game time on Saturdays and end several hours later, resuming my MP3 play until 11:00 am Thursday. Does anyone have a simple solution for me?

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• looking for advice regarding a free shopping cart solution [on hold]

  - by thirdCharm

  I am building a very small e-commerce site, and I need a free and simple to use/deploy/integrate shopping cart that I can add into my website in order to be able to sell a FEW items. I want the shopping cart to be an add-on in my website, nothing fancy.Ideally when a person clicks on the "Add to cart" button, they will be redirected to the shopping cart, which will then handle different types of payment methods, and everything else you would expect from a fully working shopping cart. I am currently developing my website using the following tools/frameworks: SQL Server 2008 R2 Visual Studio 2010 (ASP.NET 4.5 - C#) HTML5,CSS3, and JS. I am interested in also using PayPal alongside my shopping cart. Help of any kind is appreciated!!

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• Running the application with F5 gives a message saying "\bin\Debug\Infrastructure.Layout.dll was not found"

  The problem here is the ProfileCatalog.xml file refers to the old assesmbly namesdlls. It does not get updated when the assembly names change. Steps to fix this issue: 1. Open the ProfileCatalog.xml file in the Shell project, and you'll find there are three ModuleInfo configuration items that need to have the solution name prefixed. 2. Prefix the dlls with the solution name. Recompile and everything will work fine. span.fullpost {display:none;}

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• Ubuntu doesn't start and I can't login

  - by Meph00

  My ubuntu 13.04 doesn't boot anymore. Eternal black screen. If I press ALT+CTRL+F1 I see that it's stucked on "Checking battery state [OK]." I'd like to try to go with sudo apt-get install gdm but I can't login on terminal tty2, tty3 etc. They correctly ask for my nickname, then they make me wait a lot, ask for password and make me wait again. After a lot of time (... a lot) the best I could achieve was visualizing "Documentantion https://help.ubuntu.com". I can never reach the point where I can give commands. Plus, during the long pauses, every 2 minutes it gives a messagge like this: INFO: task XXX blocked for more than 120 seconds. Any suggestion? Sorry for my bad english and thanks everyone for the attention.

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• Cannot save all of the property settings for this Web Part.

  - by ybbest

  I would like to display all the items of custom content type of Animals in a SharePoint content query WebPart. After choosing the appropriate values in the web part editor and click on Save I got this error: Cannot save all of the property settings for this Web Part. There is a problem with one or more of the field values below. But when I examine all the values below , it does not flag any error information. I finally manage to locate the error flag after I expand the presentation section. I then delete the text in the Link textbox , now I can save the settings. However , I think the error message should have been more specific so that users can quickly locate the error. The worst part for this is that I did not even change anything in the presentation section, I merely configure the Source in the Query section. Well, I guess I am still new to SharePoint, I just have to get used to these generic error message ):

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• Showing "Failed" for a SharePoint 2010 Timer Job Status

  - by Damon

  I have been working with a bunch of custom timer jobs for last month.  Basically, I'm processing a bunch of SharePoint items from the timer job and since I don't want the job failing because of an error on one item, so I'm handing errors on an item-by-item basis and just continuing on with the next item.  The net result of this, I soon found, is that my timer job actually says it ran successfully even if every single item fails.  So I figured I would just set the "Failed" status on the timer job is anything went wrong so an administrator could see that not all was well. However, I quickly found that there is no way to set a timer job status.  If you want the status to show up as "Failed" then the only way to do it is to throw an exception.  In my case, I just used a flag to store whether or not an error had occurred, and if so the the timer job throws a an exception just before existing to let the status display correctly.

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• After 10.10 -> 11.04 upgrade, can only login via Classic (No Effects)

  - by Ryan P.

  Yesterday I upgraded from 10.10 to 11.04, everything seemed to go okay until immediately after login: the desktop goes into a "corrupted" looking state (similar to having too high resolution set). I can see some kind of movement by moving the mouse around/right clicking, and can enter text terminals via ctrl + alt + f1 It does this in both plain "Ubuntu" and "Ubuntu Classic", and only seems to login/startup properly with Ubuntu Classic (No Effects). I have checked my video card (Radeon X600) and run the unity support test which passes with all "yes" results (Unity supported: yes): /usr/lib/nux/unity_support_test -p I have tried re-installing my Ubuntu desktop: rm -rf .gnome .gnome2 .gconf .gconfd .metacity sudo apt-get remove ubuntu-desktop sudo apt-get install ubuntu-desktop With no success. I can workaround for now with Classic (No Effects), but I'd really like to find the root problem. Any suggestions on what else to try would be appreciated!

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• Need help with a method to randomly lay mines in a minesweeper game

  - by avatarX

  So my Java minesweeper game is represented as a int[][] where -1 represents a mine. When I initialize my game I need to randomly place x amount of mines. What is an elegant way of doing this? I was thinking of using an ArrayList with the coordinates of each cell, randomly selecting it, changing the state of the int[][] and then removing that Point. This would ensure that no point is selected twice. Is there a more elegant way of doing this?

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• Determine how to display a tile based on surrounding tiles

  - by Jsmith

  I have a game engine which generates maps randomly, set on a 2d grid which is composed of 34px square graphical tiles. These tiles can be displayed in any of three ways, wall, corner, and floor(exists in 2 states, passable and impassible), and four directions, north, south, west and east. What I need to do is, based on the tiles around each individual tile, determine which state to display the tile in, e.g. north wall, northeast corner, floor so that when a player alters the map, the tiles around the affected tile adjust themselves to suit(i.e. tunneling). In case it becomes important, all gameobjects are inherited from the same class, whether they be players, NPC's, walls, or items.

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• How to remove "Search and launch"?

  - by user38489

  Is it possible to remove the "Search and launch" whateveritis from my "desktop"? I've actually tried both Desktop and Netbook modes, but it stays there in both of them. I'm not afraid of editing files in the ~/.kde dir, but I would be really disappointed if this is the only way to do it. [more details/rants] I was able to wipe out several things but I've ended up with a black window that's movable (Alt-click) but not removable. Beside being surprised by the performances, I find Kubuntu extremely unfriendly, and I can't find the logic behind the items of the interface. I've tried to search for documentation, but what I've found is not updated and doesn't include the Netbook interface.

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• How to fix "Could not open lock file" because "Permission denied"?

  - by user66498

  Whenever trying to install any software and update manger, I get an error stating Package operation failed The installation or removal of a software package failed When I run sudo apt-get update I got this result: conan51xd@conan51xd-Lenovo-B470:~$ sudo apt-get -f install [sudo] password for conan51xd: Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. conan51xd@conan51xd-Lenovo-B470:~$ apt-get update E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock directory /var/lib/apt/lists/ E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

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• Can't access my partitions after installing Ubuntu

  - by Manaf Al-Sarraf

  I installed Ubuntu 13.4 replace with win 8 after installation complete I can't access my partitions and receive a message like this : Error mounting /dev/sda5 at /media/manaf/01CD6C0800CEE670: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda5" "/media/manaf/01CD6C0800CEE670"' exited with non-zero exit status 14: The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Failed to mount '/dev/sda5': Operation not permitted The NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting), or mount the volume read-only with the 'ro' mount option." Thanks for helping :)

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• Is it wrong to use a boolean parameter to determine behavior?

  - by Ray

  I have seen a practice from time to time that "feels" wrong, but I can't quite articulate what is wrong about it. Or maybe it's just my prejudice. Here goes: A developer defines a method with a boolean as one of its parameters, and that method calls another, and so on, and eventually that boolean is used, solely to determine whether or not to take a certain action. This might be used, for example, to allow the action only if the user has certain rights, or perhaps if we are (or aren't) in test mode or batch mode or live mode, or perhaps only when the system is in a certain state. Well there is always another way to do it, whether by querying when it is time to take the action (rather than passing the parameter), or by having multiple versions of the method, or multiple implementations of the class, etc. My question isn't so much how to improve this, but rather whether or not it really is wrong (as I suspect), and if it is, what is wrong about it.

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• My computer boots up with Ubuntu: How can I tell what's on my hard disk?

  - by Larry Harson

  I've acquired an old laptop (Acer TravelMate 4050 with an Italian keyboard) that boots up with the following options: Ubuntu, with Linux 3.0.0-12-generic Ubuntu, with Linux 3.0.0-12-generic (recovery mode) Memory test (memtest86+) Memory test (memtest86+, serial console 115200) When I choose the first option, the screen just goes blank with a flashing cursor. But I can go into grub command mode by typing 'c'. Now, I want to know what operating system is installed, and the files stored on my computer, so how do I do this? What can I do to maximise the use of this computer in its current state?

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• Most appropriate diagram for GUI button design?

  - by JustADude

  What is the most appropriate diagram for GUI button design? Specifically, I have numerous buttons that will be changing color based on state information from operator input and input from various subcomponents and sensors. I would like to use UML or some other type of design diagrams to be able to capture the color transition. Some folks have suggested sequence diagrams, but I haven't been able to find any good examples that show how to incorporate this design artifact. I would really like to head in this direction to help developers. Thanks a ton for feedback and insights.

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• VMWare Player pauses often

  - by pascal

  I'm using a 64bit Windows 8 inside vmplayer, with 2 virtual processor cores, virtual hard disk resides on a fast local disc and is not preallocated; host CPU is Intel i7 3770, should be capable of hardware virtualisation but I don't know if VMWare uses it; NAT networking; Sound card connected, USB connected, accelerated 3D graphics (NVidia 313.30 on host) My problem is, that the VM often pauses for a few seconds, and then speeds up for a few seconds to reach real time again. Time in the VM actually moves faster after the pause, for example all animations using timers speed up. When running, the vmware-vmx process shows ~150% CPU usage in top, but 0% when pausing (and D state i.e. waiting for IO). iotop shows normal disk writes from vmware-vmx threads, but during pauses, the flush kernel thread uses 99%. Are there some options to try so that VMWare doesn't wait for IO? I've tried a few things available from the GUI but the issue never went away…

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• Going from webforms, VS 2008, 3.5 framework to the "next level" based on my goals

  - by Caveatrob

  I've got a few choices to make as I develop some business websites that will run for the next two to three years. Currently I run ASP.NET 3.5 with Visual Studio 2008. I do my development rather crudely in WebForms because that's what I learned and am most productive with. I don't use Membership or any other frameworks in my projects. I use a simple class that maintains a few session keys for each user based on basic database tables for users and roles. (I have about 3,000 users). So far I've kept the data simple, using ADO.NET against SQL Server and a data access class (Circa 2000, I know) to build my sites. My questions are as follows: Under what conditions would I be better off moving to MVC? Under what conditions would I find LINQ and ORM a better way to go than standard ADO.NET? Would I benefit, in my current state of development, from going from Studio 2008 to Studio 2010?

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• Running the application with F5 gives a message saying "\bin\Debug\Infrastructure.Layout.dll was not found"

  The problem here is the ProfileCatalog.xml file refers to the old assesmbly namesdlls. It does not get updated when the assembly names change. Steps to fix this issue: 1. Open the ProfileCatalog.xml file in the Shell project, and you'll find there are three ModuleInfo configuration items that need to have the solution name prefixed. 2. Prefix the dlls with the solution name. Recompile and everything will work fine. span.fullpost {display:none;}

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• How do I implement input and movement with characters that get into vehicles?

  - by Xkynar

  I'm making a game similar to GTA2. When the player enters the vehicle, what happens in terms of logic? Does the player becomes the vehicle? Does the vehicle override the player movement? The main question is how should it look at a vehicle? I want to understand if the player becomes the car or if the player has a "motion state" like "driving, walking, flying" depending on what he is doing in a moment, I know there are tons of ways to implement vehicles in a game.

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• Naming interfaces for persistent values

  - by orip

  I have 2 distinct types of persistent values that I'm having trouble naming well. They're defined with the following Java-esque structure, borrowing Guava's Optional for the example and using generic names to avoid anchoring: interface Foo<T> { T get(); void set(T value); } interface Bar<T> { Optional<T> get(); void set(T value); } With Foo, if the value hasn't been set explicitly then there's some default value available or pre-set. With Bar, if the value hasn't been set explicitly then there's a distinct "no value" state. I'm trying to optimize the names for their call sites. For example, someone using Foo may not care whether there's a default value involved, only that they're guaranteed to always have a value. How would you go about naming these interfaces?

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• Programming Interview : How to debug a program?

  - by Jake

  I was recently asked the following question in an interview : How do you debug a C++ program ? I started by explaining that programs may have syntax and semantic errors. Compiler reports the syntax errors which can be corrected. For semantic errors, various debuggers are available. I specifically talked about gdb, which is command line, and Visual Studio IDE's debugger, which has a GUI, and common commands. I also talked about debug and release version of code, how assertions should be used for debug build, how exceptions helps in automatic cleanup & putting the program in valid state, and how logging can be useful (e.g. using std::clog). I want to know if this answer is complete or not. Also, I want to hear how other people will go about answering this question in a structured manner ? Thanks.

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• Not able to install nspluginwrapper on 64 bit Ubuntu 12.10

  - by user99305

  This is a brand new installation of 64 bit Ubuntu 12.10. I am not able to install nspluginwrapper. Here is the error message that I get: $ sudo apt-get install nspluginwrapper 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: nspluginwrapper : Depends: nspluginviewer (= 1.4.4-0ubuntu4) but it is not installable E: Unable to correct problems, you have held broken packages. I need nspluginwrapper to get Citrix receiver to work.

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• Unable to install Emerald theme manager in Ubuntu 12.04?

  - by kernel_panic

  I learnt how to install ETM from here But when i try to install i get `ubu@sanjay-pc:~$ sudo apt-get install git autoconf libtool libwnck1.0-cil-dev libwnck-dev intltool libdecoration0-dev gawk 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.code The following information may help to resolve the situation: The following packages have unmet dependencies: libdecoration0-dev : Depends: libdecoration0 (= 1:0.9.7.6-0ubuntu1) but 1:0.9.7.8-0ubuntu1 is to be installed E: Unable to correct problems, you have held broken packages. ` Help Needed

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• Mass Delete Using Gridview with Checkboxes

  This sample shows how to use a Gridview to delete multiple records all at once, having marked them with a Checkbox, and clicking one button, external to the Gridview, to delete them all As usual, here, we're using the Northwind Database. If you want to try this on your own Northwind database, adhere to this word of caution - "BACK IT UP FIRST". You will be making multiple deletes, so in order to get it back to the original state, you must make a backup and then restore afterwards. Remember too, that you will need to substitute your own Web.Config connectionstring entry for "YourNorthwindString" in the sample code

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• Help us with our git workflow

  - by Brandon Cordell

  We have a web application that gets deployed to multiple regions around our state. An instance of the application for each region. We maintain a staging and production (master) branch in our repository, but we were wondering what is the best way of maintaining each instances codebase. It's similar at the core, but we have to give each region the ability to make specific requests that may not make it into the core of the application. Right now we have branches for each region, like region_one_staging, and region_one_production. At the rate we're growing we'll have hundreds of branches here in the next few years. Is there a better way to do this?

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