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• Laptop automatic shutdown after 2 seconds

  - by leladax

  I'm trying to insvestigate which component produces this behavior. Other indications show it may be the GPU but I wonder if anyone knows more. It's a Toshiba Satellite X200 description: AC power shows the power being fed normally, when turned on the fan works and it appears to be starting up but after 2 seconds it shuts down with only the 'AC power connected" led on. -- seconds are about up to 4,maybe not 2 exactly.

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• Power Supply And Power Cable at Equinix Palo Alto?

  - by d123

  I will be doing a server installation at the Palo Alto Equinix Data Center soon and I'm coming in from overseas so I wondering if any of you can help me out regarding power supply can power cable issues. My server power supply is INPUT 100-240V AC ~50/60Hz MAX AC CURRENT 10A-5A Do I need a DC power supply? and the power cable plug head I'm currently using is BS 1363 plug head. What kind of head do I need?

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• Software to hold battery at 50% charge level

  - by Mehper C. Palavuzlar

  My Sony Vaio laptop has a built-in program called "Sony Battery Care" which provides a functionality to hold battery at certain levels of charge while operating. For example, I've set it to 50% and the battery is always kept at that level while on AC power. This mode prevents battery degradation and is more effective as I usually use my laptop with AC power. I'm looking for a similar program to use with other laptops with Windows OS; preferably a free one.

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• cpptask ordering of static libraries in gcc command line

  - by AC

  How do I force cpptask to move the static libraries to the end on arg list issued to the compiler? Here is the clause I am using <cpptasks:cc description="appname" subsystem="console" objdir="obj" outfile="dist/app_test"> <compiler refid="testsslcc" /> <linkerarg value="-L${libdir}" /> <linkerarg value="-L/usr/local/devl/lib" /> <linkerarg value="-Wl,-rpath,../lib" /> <libset libs="unittest ${libs} dsg readline ncurses gcov" /> <fileset dir="test/obj" includes="main.o" /> <fileset dir="." includes="${TCFILES}" /> <fileset dir="../lib" includes="libboost_thread.a libboost_date_time.a" /> </cpptasks:cc> when this executes, libboost_thread.a libboost_date_time.a are first files in the argument list passed the compiler, gcc -ggdb -Wl,-export-dynamic -Wshadow -Wno-format-y2k ../../lib/libboost_date_time.a ../../lib/libboost_thread.a x.cpp ... which causes compiler error. By manually moving them to the end of the argument list, the application compiles without error. gcc -ggdb -Wl,-export-dynamic -Wshadow -Wno-format-y2k x.cpp ... ../../lib/libboost_date_time.a ../../lib/libboost_thread.a And yes I have tried changing the order in the xml, and that of course didn't work. For now I am using an exec task to call gcc with the files in the correct order but this of course is a hack.

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• How to mask tilde (~) character in C# MVC routing table?

  - by AC

  I'm moving my home-baked web site to MVC and got the trouble with url routing. The site already serves several links that contain tilde (~) character in the path; something like http://.../~files/... http://.../~ws/... and I want each of them are handled by separate controller, like filesController, wsController, so my route table looks like routes.MapRoute( "files", "~files/{*prms}", new { controller = "files", action = "index", prms = "" } ); routes.MapRoute( "ws", "~ws/{*prms}", new { controller = "ws", action = "index", prms = "" } ); ... but when I try to get the result I got the error saying "The route URL cannot start with a '/' or '~' character and it cannot contain a '?' character." As I understand those characters have the special meaning in ASP.net but is it possible to mask them somehow, at least tilde? Should I parse and route requests like this myself? What the best practice to handle urls like this? Thanks!

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• openssl api verify the public key matches private key

  - by AC

  How do I write an openssl server that on a single port has two different active RSA private keys? The openssl documentation seems to implies there can only be one rsa private key active at time with in a context. So I was thinking I have two active context, but what is the code to handle figuring out which connection matches which context. Or am I going about this the wrong way.

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• Unable to compare valuesfrom mysql in a prepared statement

  - by Cortopasta

  I can't seem to get this to connect to the database so that I can run my prepared statement. Does anybody have an idea what I've forgotten? private function check_credentials($plain_username, $password) { global $dbcon; $ac = new ac(); $ac->dbconnect(); $userid = $dbcon->prepare('SELECT id FROM users WHERE username = :username AND password = :password LIMIT 1'); $userid->bindParam(':username', $plain_username); $userid->bindParam(':password', $password); $userid->execute(); $id = $userid->fetch(); Return $id; } EDIT: I changed the SQL query from a SELECT FROM query, to an INSERT INTO query and it worked. WHat the heck is going on?

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• Deserialize generic collections - coming up empty

  - by AC

  I've got a settings object for my app that has two collections in it. The collections are simple List generics that contain a collection of property bags. When I serialize it, everything is saved with no problem: XmlSerializer x = new XmlSerializer(settings.GetType()); TextWriter tw = new StreamWriter(@"c:\temp\settings.cpt"); x.Serialize(tw, settings); However when I deserialize it, everything is restored except for the two collections (verified by setting a breakpoint on the setters: XmlSerializer x = new XmlSerializer(typeof(CourseSettings)); XmlReader tr = XmlReader.Create(@"c:\temp\settings.cpt"); this.DataContext = (CourseSettings)x.Deserialize(tr); What would cause this? Everything is pretty vanilla... here's a snippet from the settings object... omitting most of it. The PresentationSourceDirectory works just fine, but the PresentationModules' setter isn't hit: private string _presentationSourceDirectory = string.Empty; public string PresentationSourceDirectory { get { return _presentationSourceDirectory; } set { if (_presentationSourceDirectory != value) { OnPropertyChanged("PresentationSourceDirectory"); _presentationSourceDirectory = value; } } } private List<Module> _presentationModules = new List<Module>(); public List<Module> PresentationModules { get { var sortedModules = from m in _presentationModules orderby m.ModuleOrder select m; return sortedModules.ToList<Module>(); } set { if (_presentationModules != value) { _presentationModules = value; OnPropertyChanged("PresentationModules"); } } }

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• Pull dynamic string out of embedded RESX

  - by AC

  I have a RESX resource file that I can retrieve the values out of using the strongly typed properties and assign to values in my Silverlight 3 app. However at runtime I need to generate the lookup key based on some values to avoid a ton of if/switch statements. I'm trying to use the ResourceManager, but it doesn't like .resx files. Searched far and wide... is this just not possible in SL3? Does anyone have another suggestion?

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• Only some windows shell commands work via ruby?

  - by Sanarothe

  Hi. I'm trying to use a script to control my power options since XP doesn't give you an intuitive way to change CPU Frequency options. Here's my script so far: meh = `cmd.exe /C POWERCFG.EXE /QUERY Portable/Laptop` puts "" puts meh case input when 1 then system('cmd.exe /C POWERCFG.EXE /CHANGE Portable/Laptop /processor-throttle-ac NONE') when 2 then system('cmd.exe /C POWERCFG.EXE /CHANGE Portable/Laptop /processor-throttle-ac ADAPTIVE') when 3 then `cmd.exe /C POWERCFG.EXE /CHANGE Portable/Laptop /processor-throttle-ac CONSTANT` end The problem is that the changes simply don't take place. If I run the same commands directly into a cmd.exe prompt, they work. It's very strange, but nothing works after the initial powercfg query. I feel like I'm missing something incredibly obvious. How can I get the above script to run correctly?

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• c# control location precision

  - by AC

  I need more precision then integer based locations when puttng controls on a form. It seems control.location only supports Point. Is there a work around for this? Point p = new Point(100, 200); this.Location = p;// this works of course PointF pF = new PointF(100.04f, 200.08f); this.Location = pF;// this does not work of course because Location expects a Point not PointF Is there some setting on the base form, or base control I can set to have more location precision?

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• Windows Forms label custom control origin change.

  - by AC

  I have a custom control derived from a label. I need to change the native control's location origin from upper left to lower left. Is there a method or property to do this?

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• C# forms label custom control origin change.

  - by AC

  I have a custom control derived from a label. I need to change the native control's location origin from upper left to lower left. Is there a method or property to do this?

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• Trapping events within list box item templates in WPF

  - by AC

  I've got listbox that employs an item template. Within each item in the list, as defined in the template there is a button. When the user clicks the button I change a value in the data source that defines the sort order of the list. Changing the datasource is not a problem as this is working just fine within my application template. However my next step is to reload the listbox with the new sorted data source. I've tried doing this from the tempalte but it apparently doesn't have access (or I can't figure out how to get access) to the parent elements so I can reset the .ItemSource property with a newly sorted data source. Seems like this is possible but the solution is eluding me :(

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• Document Management System - Where to Store Files?

  - by Diego AC

  Hey, stack! I'm on charge of building an ASP.NET MVC Document Management System. It have to be able to do basic document management tasks like adding, editing and searching entries and also perform versioning. Anyways, I'm targeting PDF, Office and many image formats as the file attached to each document entry in the database. My question is: What design guidelines do pros follow when building the storage mechanism? Do they store the document files in the file system? Database? How file uploading is handled? I used to upload the files to a temporal location while the user was editing the data and move it to permanent storage when the user confirmed the entry creation. Is this good? Any suggestions on improvement?

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• Define the base class or base functionality of a dynamic proxy (e.g. Castle, LinFu)

  - by Graham

  Hi, I've asked this in the NHibernate forumns but I think this is more of a general question. NHibernate uses proxy generators (e.g. Castle) to create its proxy. What I'd like to do is to extend the proxy generated so that it implements some of my own custom behaviour (i.e. a comparer). I need this because the following standard .NET behaviour fails to produce the correct results: //object AC is a concrete class collection.Contains(AC) = true //object AP is a proxy with the SAME id and therefore represents the same instance as concrete AC collection.Contains(AP) = false If my comparer was implemented by AP (i.e. do id's match) then collection.Contains(AP) would return true, as I'd expect if proxies were implicit. (NB: For those who say NH inherits from your base class, then yes it does, but NH can also inherit from an interface - which is what we're doing) I'm not at all sure this is possible or where to start. Is this something that can be done in any of the common proxy generators that NH uses?

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• ant cpptask with ivy

  - by AC

  A company I am working for, has some c binaries build with ant using cpptask. They use ivy to retrieve shared c libraries every time we start a build which wastes a significant amount of time comparing the revisions and downloading, when then only need to be download if the header files have changed. I have added a target which sets a var, which causes the build to skip over the ivy steps but I'd like a better solution. I see that cpptask creates a file history.xml and only rebuilds to binary if any of the sources have change. I'd like to know if there is way to independently test if the binary needs to build, and it does, I'd like it fire off the ivy targets. I'd also like for a variable to be set if the binary was rebuilt so that I can conditionally start an rpm generation task

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• Custom OData operation / customize EF model to hide join table in many-to-many relationship

  - by AC

  I've got a data model that has two tables with a join table for a many to many relationship & creating an OData service to expose the data for CRUD ops in a Silverlight app. What I'd like to do is abstract the join table from the service. I'm not sure if the best way to do this would be in the model (using EF in .NET3.5SP1) or if I should do it with a custom service operation. If I do it in the EF model (not sure how I'd do this), then the OOTB WCF Data Service stuff would make it easy to say [..]/Courses(1)/Modules ... otherwise I'd have to create a custom operation to do this. Is it possible to do this in the EF model and if so, how does that work?

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• superfish dropdowns to be columned when there's many children and no "grandchildren" nodes

  - by ocergynohtna

  i have a horizontal nav menu that's using jquery superfish. in one of my dropdown menus there'll be no more dropdowns within it (i.e. no grandchildren nodes.) but there are several children. 45 to be exact right now and it may go up or down in time. i'm trying to find a way to have the dropdown be columned passed a certain count. 15 works for me nicely since there are 45. so without showing all the includes here's the html list - and for the sake of less code i'll use 15: <ul class="sf-menu sf-js-enabled sf-shadow" id="menu-1"> <li class="current"> <a href="#a" class="sf-with-ul">menu item<span class="sf-sub-indicator"> »</span></a> <ul style="display: none; visibility: hidden;"> <li> <a href="#aa">menu item</a> </li> <li> <a href="#ab">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ad">menu item</a> </li> <li> <a href="#aa">menu item</a> </li> <li> <a href="#ab">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ad">menu item</a> </li> <li> <a href="#aa">menu item</a> </li> <li> <a href="#ab">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ac">menu item</a> </li> <li> <a href="#ad">menu item</a> </li> </ul> </li> <li> <a href="#">menu item</a> </li> <li> <a href="#">menu item</a> </li> <li> <a href="#">menu item</a> </li> </ul> so if i wanted the columns to start at 5 i'd have exactly 3 columns. i can't seem to figure out how i can accomplish this and not break everything. i've tried using some css and came up with no solutions. any thoughts are greatly appreciated... O_o

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• Missing something with Entity Framework for .NET 3.5?

  - by AC

  Is it not possible to have EF create the necessary entities when I have two related tables linked with a FK in .NET3.5SP1? I see where the checkbox to support this is disabled but it is available in .NET4. I've got a DB that has only tables with relationships in it. I need to build a Silverlight app (SL4) that allows management of the data within this app. I can't use .NET4 on the server... only .NET3.5SP1 so FK relationship bit in EF4 isn't available to me. Looking to avoid building as much of the plumbing to get back to the DB from the SL4 app as possible...

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• Extract domain from url (including the hard ones)

  - by karl

  I'm trying to write (or just find an existing) PHP method that can take a link and extract the url. The trick is, it needs to hold under the weight of strange looking domains like: www.champa.kku.ac.th Looking at this one myself with human eyes, I still guessed it incorrectly: thought the domain would be kku.ac.th but that gives a dns error when visiting. So anyone knows of a good way to reliably extract the domain from url: http://site.com/hello.php http://site.com.uk/hello.php http://subdomain.site.com/hello.php http://subdomain.site.com.uk/hello.php http://www.champa.kku.ac.th/hello.php // and even the one I couldn't tell

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• View execution line in netbeans

  - by AC

  How can view the execution line used by netbean v6.8 to execute my java application when I press the run program button (right pointing green arrow)? I'm looking for something like: java -cp build/class Main I'm trying to make the jump to java IDE developement from 15 years writing c and c++ with vi. I'm starting with netbean since it seems to have the best vi key bindings.

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• Statically Init a derived class

  - by AC

  With c++, Is there a way to get a derived class to inherit its own static initializer? I am trying to do something like the following: class Base { public: class StaticInit { public: virtual StaticInit() =0; }; }; class Derived: public Base { public: virtual StaticInit::StaticInit() { //do something with the derived class } static StaticInit init; } static Derived::StaticInit init; it would also be nice if I didn't have to define the init var in each derived class. I am currently redefining the StaticInit internal class in each derived class but it seems redundant. Each derived class is a singleton, and I need the instance to be stored in a lookup table at program startup.

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• Application to display battery info

  - by Nik

  First of all, I am not sure the title of this question is the most appropriate however this is what I meant to say, There are many ways to extend the life of a laptop battery. One way is by not connecting it to the AC adapter all the time which will overcharge it. I read that in this website. Is there an application which automatically prevents the charging of the battery once it has reached 80% charged? I mean that is such a cool feature. Sometimes people tend to forget to remove the AC adapter and this could diminish the capacity and reduce the life time of the battery. Does the battery indicator in ubuntu display info or pop-up when the battery is almost dead (dead not in the sense of usage time) but rather a degraded battery?

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• Hard Disk Spins Down as long as Battery is in Laptop

  - by Brock Dute

  Hi, I just figured out today that as long as the battery is in my laptop, it doesn't matter if it's fully charged while plugged in, Ubuntu always spins down my hard drive. I noticed this because there was a huge difference in speed when I removed the batteries. My settings for power management is basically: on AC power, don't spin down harddrive, dont suspend or anything on battery power, basically save as much power as possible I assumed that if I plug in my laptop, it'll use the On AC Power settings no matter what but apparently, this isn't so. Is there a way to "fix" this?

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