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  • Mysql ninja tricks

    - by alexn
    Hi, what are your mysql ninja tricks? What features are extra special? I'm starting with ORDER BY FIELD which enables you to sort in a particular order, like this: SELECT url FROM customer ORDER BY FIELD(customer.priority, 1, 2, 3, 0) Features like this is hard to find in the mysql documentation. Bring it!

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  • Controlled execution of computationally expensive tasks

    - by Sergio
    Say you have an application where a user is typing some text and as she types you'd want to perform some expensive computations in the background (related to the text that is being typed). Although you would like to do lots of things, your main priority is that the system responsiveness stay at acceptable levels so the user doesn't notice such a heavy load. Is there a way (ideally platform/language independent) to control what algorithms should be executed in the background based on the system load and responsiveness?

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  • Game engine with python scripting?

    - by Kayle
    Looking to put together a 3D side-scrolling action platformer. Since this is my first time trying to put together a non-simple adventure game, I'm at a loss for which engine to consider. I would prefer one that supports scripting in python, since that's my primary language. Without tight controls, the game will suck... so speed is a priority. Cross-platform is also important to me. Any suggestions?

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  • How can I get identity of a disk?

    - by sxingfeng
    I want to identify disk in c++ in my windows application. For example: I have a disk on E:\ Then I changed the disk, and replace it with another one. the name is still E:\ How can I know the disk is changed, it is not the original one? If I have no administrator priority in win7, Can I still use some method to identy different disks? Many thanks!

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  • HTML parser for GAE

    - by Richard
    Generally I use lxml for my HTML parsing needs, but that isn't available on Google App Engine. The obvious alternative is BeautifulSoup, but I find it chokes too easily on malformed HTML. Currently I am testing libxml2dom and have been getting better results. Which pure Python HTML parser have you found performs best? My priority is the ability to handle bad HTML over speed.

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  • What tool do you use for a project to-do list?

    - by Mark
    I'm looking for a simple to-do list app to organize the planned features in my project. Basically something with a checkbox, the item, and a priority. maybe sub-features/todos as well, to organize them into logical units. Preferably an online tool I think. What do you guys use?

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  • Exception Outlook 2010 add in

    - by muzammil ahmed
    I am facing a exception with a addin that we have written for outlook 2010. Basically i am calculating the size of the emails. Following are the details of the exception Message: Not implemented (Exception from HRESULT: 0x80004001 (E_NOTIMPL)) -Not implemented (Exception from HRESULT: 0x80004001 (E_NOTIMPL)) - at Microsoft.Office.Interop.Outlook._MailItem.get_Size() at MFToolHelper.getFolderItemsSize(Items fItems) Category: Exception Priority: -1 EventId: 0 Severity: Error Title:LogErrorMessage : at Microsoft.Office.Interop.Outlook._MailItem.get_Size() Win32 ThreadId:5960 Thanks

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  • Problem with tcp server when converting to service

    - by djerry
    Hello lads, I'm working on monitoring some object (cdr-packets). I'm setting up a tcp-server and am listening on port 50043 for the packages. The program as a console application is working just fine, my server is working like it should and i'm receiving the packets. When i try to use it as a service, i cannot seem to get a client connected to my server. Is there something i need to change to deploy this as a service? Code below is from my application: this is my service class where i start protected override void OnStart(string[] args) { server = new TcpServer(); server.StartServer(); } this is the constructor of TcpServer public TcpServer() { try { _server = new TcpListener(IPAddress.Any, 50043); } catch (Exception) { _server = null; } } this is the method i call after initialising the class public void StartServer() { if (_server != null) { // Create a ArrayList for storing SocketListeners before starting the server. _socketListenersList = new ArrayList(); // Start the Server and start the thread to listen client requests. _server.Start(); _serverThread = new Thread(new ThreadStart(ServerThreadStart)); _serverThread.Start(); // Create a low priority thread that checks and deletes client // SocktConnection objcts that are marked for deletion. _purgingThread = new Thread(new ThreadStart(PurgingThreadStart)); _purgingThread.Priority = ThreadPriority.Lowest; _purgingThread.Start(); } } this is the thread that keep checking if any client tries to connect private void ServerThreadStart() { // Client Socket variable; Socket clientSocket = null; TcpSocketListener socketListener = null; while (!_stopServer) { try { // Wait for any client requests and if there is any request from any //client accept it (Wait indefinitely). clientSocket = _server.AcceptSocket(); // Create a SocketListener object for the client. socketListener = new TcpSocketListener(clientSocket); // Add the socket listener to an array list in a thread safe fashon. lock (_socketListenersList) { _socketListenersList.Add(socketListener); } // Start a communicating with the client in a different thread. socketListener.StartSocketListener(); } catch (SocketException se) { _stopServer = true; } } } when for the first time a packet waits to be read, and i get to "clientSocket = _server.AcceptSocket();", it throws an exception (service, not very good debugable) Does anyone recognize this problem or can help me? Thanks in advance

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  • selecting among duplicated rows in VBA _updated

    - by Elaine Kuo
    I wanna select one row of each duplicated SIDs in a field below. (an attribute table of a shape file) The priority is R S = I 0 Therefore, among SID 87, FID1 will be selected. (SID 88, STATUS will be S+I) (SID 89, FID 6 will be chosen) (SID 90, deleting FID 9 or 10) Please kindly advise VBA cord to run the selection and thanks. FID SID STATUS 1 87 R 2 87 O 3 88 I 4 88 S 5 89 I 6 89 R 7 89 I 8 89 S 9 90 S 10 90 S

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  • selecting row among duplicated ones in VBA

    - by Elaine Kuo
    ArcGIS 9.3 Arcobject I wanna select one row of each duplicated SIDs in a field below. (an attribute table of a shape file) The priority is R S = I 0 Therefore, among SID 87, FID1 will be selected. (SID 88, STATUS will be S+I) (SID 89, FID 6 will be chosen) Please kindly advise VBA cord to run the selection and thanks. FID SID STATUS 1 87 R 2 87 O 3 88 I 4 88 S 5 89 I 6 89 R 7 89 I 8 89 S

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  • .htaccess rewrite not working

    - by snumb130
    I need help with a rewrite in .htaccess. I am trying to do the following: When a user types http://www.example.com/csc/alabama/ I need to pull info from http://www.example.com/csc/index.php?state=alabama I thought it should be this Options +FollowSymLinks RewriteEngine On RewriteRule ^csc/([^/]*)$ /csc/index.php?state=$1 [L] I keep getting a 404 error. On a side note, I would like to be able to do this with a generic sub-directory, so that csc could be abc or anything else but this is not the priority.

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  • microsoft sql server management studio Incorrect syntax near '|'

    - by user3679099
    SELECT IPD.Task_grp "Task Group", TASK.STARTW "Starting Area", TASK.ENDW "Destination Area", IPD.Nxt_Work_Grp,IPD.Nxt_Work_Area "Drop Area", IPD.Prty "Priority", IPD.Stat_Code "Status" FROM int_path_defn IPD, (SELECT start_curr_work_grp || start_curr_work_area StartW, start_dest_work_grp ||start_dest_work_area EndW FROM task_hdr WHERE task_id='332800') TASK WHERE IPD.CURR_WORK_GRP || IPD.Curr_Work_Area=TASK.StartW AND IPD.Dest_Work_Grp || IPD.Dest_Work_Area=TASK.ENDW I am getting Msg 102, Level 15, State 1, Line 5 Incorrect syntax near '|'. Please help what could be the wrong. same query executed successfully in oracle sql developer

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  • Creating Your Own Firefox Add-in with Visual Studio

    - by Jogy
    I need to develop an add-in (as a bar) that will monitor user browsing data using Mozilla (priority) and other web browsers (chrome, safari etc.). I have already done this using IE, but need the same for Mozilla too? Any idea, if possible, as to how to integrate Firefox add-in with the ability to interact with my c# code, using VS.net 2005 or 2008? Thanks

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  • android playback suddenly stopping...

    - by user306517
    I have an app that is streaming audio content and sometimes it just stops all of the suddent. the logcat windows shows -- AudioHardware pcm playback is going to standby and that's it. I saw on another thread (pun intended) that someone was saying it was because he was using too many threads. Could that really be causing this? Could i give the audio thread higher priority? Anyway to prevent the audio hardware pcm from going to standby?

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  • multiple validation errors showing up for single property

    - by Dave K
    i'm often getting multiple errors showing up for an individual property, when I'd like them to be prioritized, as in, if Required is satisfied, check StringLength, but if Required fails, show that message only. I'm getting inconsistent behavior here, and I'm curious as to how the framework determines this priority? has anyone else had problems with this? Thanks!

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  • Which JavaScript graphics library has the best performance?

    - by DNS
    I'm doing some research for a JavaScript project where the performance of drawing simple primitives (i.e. lines) is by far the top priority. The answers to this question provide a great list of JS graphics libraries. While I realize that the choice of browser has a greater impact than the library, I'd like to know whether there are any differences between them, before choosing one. Has anyone done a performance comparison between any of these?

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  • Accessing Every File on the File System (no matter what) On Windows 7

    - by LonnieBest
    In c#, on a windows 7 machine, how can I programmatically access every file on the file system as though I was a "Master Administrator". The main priority here, is that after my c# program is installed, that it won't run into any file/folder access permission problems. My program runs as a windows service, and it must allow a user to backup any files on the file system.

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  • What does an empty run queue entry points to?

    - by EpsilonVector
    I'm trying to figure out the technicalities of scheduling in Linux. What I can't figure out is what happens with those entries in the run_queue where there are no running processes. In the run_queue we have a bitmap, a counter, and the array of lists themselves. For a list that is empty because there are no running tasks with its priority, what do the next and prev pointers point to?

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  • NHibernate - using custom sql query for a column

    - by stacker
    Is there anyway to use custom sql with NHibernate? I want to use custom sql for a specific column. select id, viewsCount, commentsCount, 0.2 * viewsCount / (select top 1 viewsCount from articles where isActive = 1 order by viewsCount DESC) as priorityViews, 0.8 * commentsCount / (select top 1 commentsCount from articles where isActive = 1 order by commentsCount DESC) as priorityComments, round(0.2 * viewsCount / (select top 1 viewsCount from articles where isActive = 1 order by viewsCount DESC) + 0.8 * commentsCount / (select top 1 commentsCount from articles where isActive = 1 order by commentsCount DESC), 1) as priority from articles

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  • Enterprise library not responding.

    - by Costa
    Hi I spent a day trying to make Ent Lib Logging work and log anything into database or event log, I have a web application and console application withe the same Ent Lib config, only the console is capable to log into the Event Log, I tried everything with permissions, but I don't know what exactly I am doing, which services should have what, It does not work!! HELP This is the config file which is automatically generated from Ent Lib utility and it works only on App.config, not on web.config <loggingConfiguration name="Logging Application Block" tracingEnabled="true" defaultCategory="General" logWarningsWhenNoCategoriesMatch="true" revertImpersonation="false"> <listeners> <add source="Logger" formatter="Text Formatter" log="Application" machineName="" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FormattedEventLogTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" traceOutputOptions="None" filter="All" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Formatted EventLog TraceListener" /> </listeners> <formatters> <add template="Timestamp: {timestamp}&#xD;&#xA;Message: {message}&#xD;&#xA;Category: {category}&#xD;&#xA;Priority: {priority}&#xD;&#xA;EventId: {eventid}&#xD;&#xA;Severity: {severity}&#xD;&#xA;Title:{title}&#xD;&#xA;Machine: {machine}&#xD;&#xA;Application Domain: {appDomain}&#xD;&#xA;Process Id: {processId}&#xD;&#xA;Process Name: {processName}&#xD;&#xA;Win32 Thread Id: {win32ThreadId}&#xD;&#xA;Thread Name: {threadName}&#xD;&#xA;Extended Properties: {dictionary({key} - {value}&#xD;&#xA;)}" type="Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.TextFormatter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Text Formatter" /> </formatters> <categorySources> <add switchValue="All" name="General"> <listeners> <add name="Formatted EventLog TraceListener" /> </listeners> </add> </categorySources> <specialSources> <allEvents switchValue="All" name="All Events" /> <notProcessed switchValue="All" name="Unprocessed Category" /> <errors switchValue="All" name="Logging Errors &amp; Warnings"> <listeners> <add name="Formatted EventLog TraceListener" /> </listeners> </errors> </specialSources> </loggingConfiguration> thanks

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  • Prefix and Postfix operator's necessity

    - by Karthi prime
    What is the necessity of both prefix and postfix increment operators? Is not one enough? To the point, there exists like a similar while/do-while necessity problem, yet, there in no so much confusion (in understanding and usage) in having them, but with having both prefix and postfix (like priority of these operators, their association, usage, working). And do anyone been through a situation where you saidd "Hey, I am going to use postfix increment. Its useful here"

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