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  • C precision of double: compiler dependent?

    - by yCalleecharan
    Hi,on my 32-bit machine (with an Intel T7700 duo core), I have 15 precision digits for both double and long double types for the C language. I compared the parameters LDBL_DIG for long doubles and DBL_DIG for doubles and they are both 15. I got these answers using MVS2008. I was wondering if these results can be compiler dependent or do they just depend on my processor? Thanks a lot...

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  • parallel java libraries

    - by jetru
    I'm looking for Java libraries/applications which are parallel and feature objects that can be queried in parallel. That is, there is/are objects in which multiple types of operations can be made from different threads and these will be synchronized. It would be helpful if someone could ideas of where I could find such applications as well. EDIT: Actually, language doesn't matter so much, so C++, Python, anything is welcome

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  • Mathematics - Why is Differential Calculus (MVP) in PHP a tabu?

    - by Email
    Hi I want to do a Mean-Variance-Optimization (Markowitz) but i never found anything written in php that does this. MVP needs differential calculus. Can it be done in php and why arent there any classes/works from universities? For a webapplication (regarding performance) would another language be the better choice to handle heavy calculations? Thanks so much for any help/answer on this

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  • validating utf-8 in htaccess rewrite rule

    - by TrustWeb
    i validate urls with utf-8 characters with a rewrite rule RewriteRule ^([a-z]{2})/([a-z0-9-]{1,256})/([[:print:]]{1,256})$ index.php?language=$1&categories=$2&get_query=$3 [L] $get_query is the point, this accepts: test!?!'"<*+ but fails for accented chars as àèéìòù, or other utf-8 for example in wikipedia this works great: http://en.wikipedia.org/wiki/%E6%B1%89%E8%AF%AD_%E6%BC%A2%E8%AA%9E any help? :-)

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  • Any book on building a complete web service?

    - by webservicesbuilder
    Hi All, Is there any book that can guide me building secure webservices. Adding xsds to WSDL Adding WS security policies to WSDL Any book that can describe how to put together a secure web service. the language shouldn't matter, but it should explain the concepts and help the reader to put together all the pieces required for building a secure web service. Thanks

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  • Twitter 2 for Android crash every time I try uploading multi photos [closed]

    - by Hazz
    Hello, I'm using the new Twitter 2 on Android 2.1. Whenever I hit the button which enables me to upload multiple photos in a single tweet, I always get the error "The application Camera (process com.sonyericsson.camera) has stopped unexpectidly. Please try again". However, uploading a single photo using the camera button in Twitter have no problem, it works. My phone is Sony Ericsson x10 mini pro. I tried signing out and back in, same result. Anything I can do to fix this? This is the log info I got using Log Collector: 02-23 15:05:57.328 I/ActivityManager( 1240): Starting activity: Intent { act=com.twitter.android.post.status cmp=com.twitter.android/.PostActivity } 02-23 15:05:57.338 D/PhoneWindow(15095): couldn't save which view has focus because the focused view com.android.internal.policy.impl.PhoneWindow$DecorView@45726938 has no id. 02-23 15:05:57.688 I/ActivityManager( 1240): Displayed activity com.twitter.android/.PostActivity: 340 ms (total 340 ms) 02-23 15:05:59.018 I/ActivityManager( 1240): Starting activity: Intent { act=android.intent.action.PICK typ=vnd.android.cursor.dir/image cmp=com.sonyericsson.camera/com.sonyericsson.album.grid.GridActivity } 02-23 15:05:59.038 I/ActivityManager( 1240): Start proc com.sonyericsson.camera for activity com.sonyericsson.camera/com.sonyericsson.album.grid.GridActivity: pid=15113 uid=10057 gids={1006, 1015, 3003} 02-23 15:05:59.128 I/dalvikvm(15113): Debugger thread not active, ignoring DDM send (t=0x41504e4d l=38) 02-23 15:05:59.158 I/dalvikvm(15113): Debugger thread not active, ignoring DDM send (t=0x41504e4d l=50) 02-23 15:05:59.448 I/ActivityManager( 1240): Displayed activity com.sonyericsson.camera/com.sonyericsson.album.grid.GridActivity: 423 ms (total 423 ms) 02-23 15:05:59.458 W/dalvikvm(15113): threadid=15: thread exiting with uncaught exception (group=0x4001e160) 02-23 15:05:59.458 E/AndroidRuntime(15113): Uncaught handler: thread AsyncTask #1 exiting due to uncaught exception 02-23 15:05:59.468 E/AndroidRuntime(15113): java.lang.RuntimeException: An error occured while executing doInBackground() 02-23 15:05:59.468 E/AndroidRuntime(15113): at android.os.AsyncTask$3.done(AsyncTask.java:200) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.FutureTask.setException(FutureTask.java:124) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.lang.Thread.run(Thread.java:1096) 02-23 15:05:59.468 E/AndroidRuntime(15113): Caused by: java.lang.IllegalArgumentException: Unsupported MIME type. 02-23 15:05:59.468 E/AndroidRuntime(15113): at com.sonyericsson.album.grid.GridActivity$AlbumTask.doInBackground(GridActivity.java:202) 02-23 15:05:59.468 E/AndroidRuntime(15113): at com.sonyericsson.album.grid.GridActivity$AlbumTask.doInBackground(GridActivity.java:124) 02-23 15:05:59.468 E/AndroidRuntime(15113): at android.os.AsyncTask$2.call(AsyncTask.java:185) 02-23 15:05:59.468 E/AndroidRuntime(15113): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 02-23 15:05:59.468 E/AndroidRuntime(15113): ... 4 more 02-23 15:05:59.628 E/SemcCheckin(15113): Get crash dump level : java.io.FileNotFoundException: /data/semc-checkin/crashdump 02-23 15:05:59.628 W/ActivityManager( 1240): Unable to start service Intent { act=com.sonyericsson.android.jcrashcatcher.action.BUGREPORT_AUTO cmp=com.sonyericsson.android.jcrashcatcher/.JCrashCatcherService (has extras) }: not found 02-23 15:05:59.648 I/Process ( 1240): Sending signal. PID: 15113 SIG: 3 02-23 15:05:59.648 I/dalvikvm(15113): threadid=7: reacting to signal 3 02-23 15:05:59.778 I/dalvikvm(15113): Wrote stack trace to '/data/anr/traces.txt' 02-23 15:06:00.388 E/SemcCheckin( 1673): Get Crash Level : java.io.FileNotFoundException: /data/semc-checkin/crashdump 02-23 15:06:01.708 I/DumpStateReceiver( 1240): Added state dump to 1 crashes 02-23 15:06:02.008 D/iddd-events( 1117): Registering event com.sonyericsson.idd.probe.android.devicemonitor::ApplicationCrash with 4314 bytes payload. 02-23 15:06:06.968 D/dalvikvm( 1673): GC freed 661 objects / 126704 bytes in 124ms 02-23 15:06:11.928 D/dalvikvm( 1379): GC freed 19753 objects / 858832 bytes in 84ms 02-23 15:06:13.038 I/Process (15113): Sending signal. PID: 15113 SIG: 9 02-23 15:06:13.048 I/WindowManager( 1240): WIN DEATH: Window{4596ecc0 com.sonyericsson.camera/com.sonyericsson.album.grid.GridActivity paused=false} 02-23 15:06:13.048 I/ActivityManager( 1240): Process com.sonyericsson.camera (pid 15113) has died. 02-23 15:06:13.048 I/WindowManager( 1240): WIN DEATH: Window{459db5e8 com.sonyericsson.camera/com.sonyericsson.album.grid.GridActivity paused=false} 02-23 15:06:13.078 I/UsageStats( 1240): Unexpected resume of com.twitter.android while already resumed in com.sonyericsson.camera 02-23 15:06:13.098 W/InputManagerService( 1240): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@456e7168 02-23 15:06:21.278 D/dalvikvm( 1745): GC freed 2032 objects / 410848 bytes in 60ms

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  • What are the reasons to select Object Oriented Programming over Procedural Programming?

    - by Starx
    Nowadays, Standard Coding has become Synonymous to Object Oriented Programming. But what are the reasons that forced classical procedural programming out of the way and rose the new concept of Object Oriented Programming. What were the limitations that Procedural Programming could not accomplish? and Does procedural language still hold some value in the field of programming? If yes, What are they, and What are there advantages over OOP?

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  • Decompile an SWF

    - by Belgin Fish
    Hi What language would I need to use to decompile an swf file automatically on my server, not like a desktop app. A bit like http://www.showmycode.com/ And could anyone point me in the right direction to get started?

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  • What grammar based parser-generator tools exist for ruby?

    - by cartoonfox
    What open source (preferably gem-based) parser-generator options do I have in Ruby? I've used (flex&bison)|(lex&yacc) from C in the past, and I'm comfortable with BNF-style specifications. I've heard of treetop, but it looks a bit alien and verbose compared to yacc... Purpose: I want to convert my text markup language to a BNF and generate the parsing code. I think it's a better strategy than my first-order solution: http://github.com/dafydd/semantictext/blob/master/lib/semantictext/rich_text_parser.rb

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  • Whats for to use GO

    - by Incognito
    I am interested in new language from Google, GO. I have checked the materials in the golang.com. And now want to use GO in practice. Please share any ideas whats for you are using GO. Or are there any open source GO projects that it would be possible to join?

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  • How to create dynamic menulets in OSX

    - by taw
    I want to put a dynamically generated icon (not static image) + possibly a tiny bit of text in OSX menu bar. If possible I'd prefer to do it from Ruby or some other convenient scripting language, but I'll deal with Objective C if that's the only way. How do I do that?

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  • How to configure JAAS on JBoss?

    - by AntonioP
    Hey Im having a problem with "Failed to load users/passwords/role files: java.io.IOException: No properties file: users.properties or defaults: defaultUsers.properties found" error from jboss. No matter what I change in conf/login-config.xml always that same error. Turning on TRACE for org.jboss.security shows that it does Security domain: myapp followed by findResource: null and the above error. Ive tryed adding a users.properties to my .war WEB-INF/classes/users.properties to no avail. Why is jBoss doing like this? What is this JAAS and why does it need it? What does it require, where to put what files, if its possible Ill remove all of this org.jboss.security.auth.spi.UsersRolesLoginModule completly, just let me use my app. Thanks

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  • What side project/research should be chosen to increase my Marketability

    - by CheesePls
    I am a Junior CS Major at a Javaschool and I find myself having an easy time and thought there may be some good project or a language to learn or research in this newfound free time. What would you recommend so as to increase my ability to find a good job(somewhere that allows for continuous learning and treats its programmers well)after college? My thoughts were learning Scheme, making a working Zelda-like game(the original), find some open source project to help with.

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  • HTML Types - Learning Order?

    - by Gabe
    I've decided that today - as soon as this question is answered, in fact - I'm going to dive into learning HTML. But, looking online, I've noticed there are many types: HTML, XHTML, HTML5, and so on. So, which should I start with? In what order should I learn them? And, for that first language, where should I learn at?

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  • Insane SmartGWT + GWT situation... Error on instantiating ListGridRecord?

    - by Xandel
    Hi all, I am asking this here in the hope that someone has maybe come across this situation too... I have posted this on the SmartGWT forum: I am having an issue when trying to instantiate a ListGridRecord object on my server side. I am using the ListGrid on the client side, I want to use GWT's RPC to pass back an array of ListGridRecord objects to populate the grid with. I know that SmartGWT is designed to link to a datasource but I want full control over when I populate the grid and this shouldn't be as much of a nightmare as it is to do. I have searched high and low and cannot find anyone complaining about the same thing. The exception however (listed below) has come up (in my search findings) as a possible memory error - where increasing the memory (-Xmx512m argument) has apparently solved the problem. It did not, however, sort out mine. If anyone can shed any light on this I would greatly appreciate it! Here are my details: Developing using Eclipse Galileo on Ubuntu 9.04 (Jaunty) and GWT 2.0.3, I built the initial GWT project using the webAppCreator bundled with the GWT 2.0.3 release and imported the project into Eclipse as described on the GWT Getting Started Page (as using the GWT Eclipse plugin caused even more nightmares when trying to connect to a database - this is apparently due to using the Google App Engine and turning it off as all the posts suggested only causes ClassNotFound exceptions). The line that causes the error is literally: ListGridRecord a = new ListGridRecord(); The error I get is the following: 00:00:25.916 [WARN] Exception while dispatching incoming RPC call com.google.gwt.user.server.rpc.UnexpectedException : Service method 'public abstract java.lang.String za.co.company.product.client.service.EmployeeServi ce.getAllEmployeeAsListGridRecord()' threw an unexpected exception: java.lang.UnsatisfiedLinkError: com.smartgwt.client.util.LogUtil.setJSNIErrorHandl er()V at com.google.gwt.user.server.rpc.RPC.encodeResponseF orFailure(RPC.java:378) at com.google.gwt.user.server.rpc.RPC.invokeAndEncode Response(RPC.java:581) at com.google.gwt.user.server.rpc.RemoteServiceServle t.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServle t.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServi ceServlet.doPost(AbstractRemoteServiceServlet.java :62) at javax.servlet.http.HttpServlet.service(HttpServlet .java:637) at javax.servlet.http.HttpServlet.service(HttpServlet .java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:487) at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:729) at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:405) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.handler.RequestLogHandler.handle (RequestLogHandler.java:49) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:843) at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:647) at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:395) at org.mortbay.thread.QueuedThreadPool$PoolThread.run (QueuedThreadPool.java:488) Caused by: java.lang.UnsatisfiedLinkError: com.smartgwt.client.util.LogUtil.setJSNIErrorHandl er()V at com.smartgwt.client.util.LogUtil.setJSNIErrorHandl er(Native Method) at com.smartgwt.client.core.JsObject.(JsObjec t.java:30) at za.co.company.product.server.service.EmployeeServi ceImpl.getAllEmployeeAsListGridRecord(EmployeeServ iceImpl.java:83) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.gwt.user.server.rpc.RPC.invokeAndEncode Response(RPC.java:562) at com.google.gwt.user.server.rpc.RemoteServiceServle t.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServle t.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServi ceServlet.doPost(AbstractRemoteServiceServlet.java :62) at javax.servlet.http.HttpServlet.service(HttpServlet .java:637) at javax.servlet.http.HttpServlet.service(HttpServlet .java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:487) at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:729) at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:405) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.handler.RequestLogHandler.handle (RequestLogHandler.java:49) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:505) at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:843) at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:647) at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:380) at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:395) at org.mortbay.thread.QueuedThreadPool$PoolThread.run (QueuedThreadPool.java:488) Thanks in advance! Xandel

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  • What are some fun project ideas for a new Python developer?

    - by Sergio Tapia
    I'm new to Python 3 and so far it seems like a decent language. I really like the string manipulation methods you can use and they are pretty radical. :) I'm stuck however in thinking of a project to do with Python. Is there a site similar to Coding4Fun but for Python? Community Wiki because I think this question is really interesting. :D

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  • Localization and JQuery/JavaScript

    - by vikp
    Hi, I'm working on different language packs for my web app. Some of the output is generated by the JavaScript/JQuery and I can't use .aspx.resx resource files within the JavaScript. What options do I have in order to localize output produced by the client? Thanky you

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  • Lisp, OCaml or what for Runge Kutta?

    - by Eelvex
    Which language would you propose for solving a system with: first order differential equations complex variables N-dimensions using 4th order Runge Kutta or the like. Speed matters a lot but would sacrifice for: Elegant (clean and short) code Flexibility + scalability I'm mostly between a Lisp and OCaml but any other suggestion is welcomed. Thanks!

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  • C++ Win32 API equivalent of CultureInfo.TwoLetterISOLanguageName

    - by Brian Gillespie
    The .NET framework makes it easy to get information about various locales; the Win32 C++ APIs are a bit harder to figure out. Is there an equivalent function in Win32 to get the two-letter ISO language name given an integer locale ID? In C# I'd do: System.Globalization.CultureInfo ci = new System.Globalization.CultureInfo(1034); string iso = ci.TwoLetterISOLanguageName; // iso == "es" now.

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  • Why has anybody ever used COBOL?

    - by sarzl
    I know: You and me hate COBOL. I took a look at a lot of code examples and it didn't take me long to know why everybody tries to avoid it. So I really have no idea: Why was COBOL ever used? I mean: Hey - there was Fortran before it, and Fortran looks like a jesus-language compared to COBOL. This isn't argumentative but historical as I'm young and didn't even know about COBOL before 4 months.

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  • Why hasn't MSSQL made a WHERE clause mandatory by default?

    - by Josh Einstein
    It seems like a no brainer to me. I've heard countless stories about people forgetting the WHERE clause in an UPDATE or DELETE and trashing an entire table. I know that careless people shouldn't be issuing queries directly and all that... and that there are legitimate cases where you want to affect all rows, but wouldn't it make sense to have an option on by default that requires such queries to be written like: UPDATE MyTable SET MyColumn = 0 WHERE * Or without changing the language, UPDATE MyTable SET MyColumn = 0 WHERE 1 = 1 -- tacky, I know

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  • django internationalisation loading error

    - by ha22109
    Hello All, I m not able to change the locale of django -admin when i switch to different locale from browser.But if i mention in my settings.py the language code then it is working but browser locale doesnot have any impact on it #setting.py LANGUAGES = ( ('ar', gettext_noop('Arabic')), ('ja', gettext_noop('japanese')), ('bg', gettext_noop('Bulgarian')), LANGUAGE_CODE = ''# LANGUAGE_COOKIE_NAME = 'django_language' LOCALE_PATHS = ()

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