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  • Rails 2.3.5, Ruby 1.9, SQLite 3 incompatible character encodings: UTF-8 and ASCII-8BIT

    - by Daniil Harik
    Hello, I know that question with same title has been asked almost 6 month ago. I have Googled for this problem and I have not found any working solution. Has there been any fixes for this very critical problem? I need to get my website running ASAP. Just to get the site up and running I'm even ready to add utf8 conversion methods to all my variables or risk to upgrade to Rails 3 beta Thank You in advance!

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  • Winforms-how do I keep window fully painted/responsive during a long running synchronous request is

    - by Greg
    Hi, Background - For a winforms 3.5 c# application, I would like to keep the main window fully painted/responsive during a long running synchronous request. For example if the user moves the window. Question - Is there a way to achive this WITHOUT having to setup a separate thread or backgroundworker process? (e.g. like a way to call from within my long running transaction, "release a bit of CPU to mainform", at some points) thanks

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  • Merging column headers alone in JTable

    - by Harish
    Is there a way to merge column headers on click of a button but the values in the cell should get appeneded with each other? For instance: 10 15 20 25 30 A B C D E B C D A E 10 20 30 AB CD E BC DA E Actually the value A represents 10-15 B represents 15-20 and so on.Is this possible in JTable? Please don't confuse my earlier question with this.Here we try to merge two column headers not cells at the same time we append the values of the cell.

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  • Widgets and .mobi sites, is this possible?

    - by Roland
    I have a couple of concerns, I'm busy building a normal .mobi site for a client, so basically how I understand this is keep it simply since most phones do not support JavaScript and have a small screen etc. So I build a mobi site using only content and basic links. Now my question is how do mobi widgets work on a mobile site? I've googled and could not find a answer? Is this possible at all?

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  • Code a timer in a python GUI in TKinter

    - by Diego Castro
    I need to code a program with GUI in python (I'm thinking of using TKinter, 'cause it's easy, but I'm open to suggestions). My major problem is that I don't know how to code a timer (like a clock... like 00:00:00,00 hh:mm:ss,00 ) I need it to update it self (that's what I don't know how to do) Another question is how do I put a program in the system tray (I don't think it's called like that in Linux) for UBUNTU.

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  • How to test lib files in Rails?

    - by jerhinesmith
    I understand the benefit of putting classes, modules, etc. in the lib folder in Rails, but I haven't been able to find a clean way of testing these files. For the most part, it seems like unit tests would be the logical approach. I guess my question is: What is the "rails way" for testing lib files?

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  • Artificial Inteligence library in python

    - by João Portela
    I was wondering if there are any python AI libraries similar to aima-python but for a more recent version of python... and how they are in comparison to aima-python. I was particularly interested in search algorithms such as hill-climbing, simulated annealing, tabu search and genetic algorithms. edit: made the question more clear.

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  • Is it possible for double-escaping to cause harm to the DB?

    - by waiwai933
    If I accidentally double escape a string, can the DB be harmed? For the purposes of this question, let's say I'm not using parametrized queries For example, let's say I get the following input: bob's bike And I escape that: bob\'s bike But my code is horrible, and escapes it again: bob\\\'s bike Now, if I insert that into a DB, the value in the DB will be bob\'s bike Which, while is not what I want, won't harm the DB. Is it possible for any input that's double escaped to do something malicious to the DB assuming that I take all other necessary security precautions?

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  • debugging JBoss 100% CPU usage

    - by NateS
    Originally posted on Server Fault, where it was suggested this question might better asked here. We are using JBoss to run two of our WARs. One is our web app, the other is our web service. The web app accesses a database on another machine and makes requests to the web service. The web service makes JMS requests to other machines, aggregates the data, and returns it. At our biggest client, about once a month the JBoss Java process takes 100% of all CPUs. The machine running JBoss has 8 CPUs. Our web app is still accessible during this time, however pages take about 3 minutes to load. Restarting JBoss restores everything to normal. The database machine and all the other machines are fine, only the machine running JBoss is affected. Memory usage is normal. Network utilization is normal. There are no suspect error messages in the JBoss logs. I have set up a test environment as close as possible to the client's production environment and I've done load testing with as much as 2x the number of concurrent users. I have not gotten my test environment to replicate the problem. Where do we go from here? How can we narrow down the problem? Currently the only plan we have is to wait until the problem occurs in production on its own, then do some debugging to determine the cause. So far people have just restarted JBoss when the problem occurred to minimize down time. Next time it happens they will get a developer to take a look. The question is, next time it happens, what can be done to determine the cause? We could setup a separate JBoss instance on the same box and install the web app separately from the web service. This way when the problem next occurs we will know which WAR has the problem (assuming it is our code). This doesn't narrow it down much though. Should I enable JMX remote? This way the next time the problem occurs I can connect with VisualVM and see which threads are taking the CPU and what the hell they are doing. However, is there a significant down side to enabling JMX remote in a production environment? Is there another way to see what threads are eating the CPU and to get a stacktrace to see what they are doing? Any other ideas? Thanks!

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  • Cascade Saves with Fluent NHibernate AutoMapping - Old Anwser Still Valid?

    - by Glenn
    I want to do exactly what this question asks: http://stackoverflow.com/questions/586888/cascade-saves-with-fluent-nhibernate-automapping Using Fluent Nhibernate Mappings to turn on "cascade" globally once for all classes and relation types using one call rather than setting it for each mapping individually. The answer to the earlier question looks great, but I'm afraid that the Fluent Nhibernate API altered its .WithConvention syntax last year and broke the answer... either that or I'm missing something. I keep getting a bunch of name space not found errors relating to the IOneToOnePart, IManyToOnePart and all their variations: "The type or namespace name 'IOneToOnePart' could not be found (are you missing a using directive or an assembly reference?)" I've tried the official example dll's, the RTM dll's and the latest build and none of them seem to make VS 2008 see the required namespace. The second problem is that I want to use the class with my AutoPersistenceModel but I'm not sure where to this line: .ConventionDiscovery.AddFromAssemblyOf() in my factory creation method. private static ISessionFactory CreateSessionFactory() { return Fluently.Configure() .Database(SQLiteConfiguration.Standard.UsingFile(DbFile)) .Mappings(m => m.AutoMappings .Add(AutoMap.AssemblyOf<Shelf>(type => type.Namespace.EndsWith("Entities")) .Override<Shelf>(map => { map.HasManyToMany(x => x.Products).Cascade.All(); }) ) )//emd mappings .ExposeConfiguration(BuildSchema) .BuildSessionFactory();//finalizes the whole thing to send back. } Below is the class and using statements I'm trying using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using FluentNHibernate.Conventions; using FluentNHibernate.Cfg; using FluentNHibernate.Cfg.Db; using NHibernate; using NHibernate.Cfg; using NHibernate.Tool.hbm2ddl; using FluentNHibernate.Mapping; namespace TestCode { public class CascadeAll : IHasOneConvention, IHasManyConvention, IReferenceConvention { public bool Accept(IOneToOnePart target) { return true; } public void Apply(IOneToOnePart target) { target.Cascade.All(); } public bool Accept(IOneToManyPart target) { return true; } public void Apply(IOneToManyPart target) { target.Cascade.All(); } public bool Accept(IManyToOnePart target) { return true; } public void Apply(IManyToOnePart target) { target.Cascade.All(); } } }

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  • How to create a UserProfile form in Django with first_name, last_name modifications ?

    - by Natim
    If think my question is pretty obvious and almost every developer working with UserProfile should be able to answer it. However, I could not find any help on the django documentation or in the Django Book. When you want to do a UserProfile form in with Django Forms, you'd like to modify the profile fields as well as some User field. But there is no forms.UserProfileForm (yet?) ! How do you do that ?

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  • unable to select correct ADODB version COM API

    - by Ovais
    quick question is the public key token for ADODB dll different for 64bit and 32bit. I am trying to use a COM api which uses ADODB.Recordset and some how I am not able select the right version of ADODB in VS(2010) it asks for 2.8.0.0 and I add 2.8 from the reference dialog. The only thing I can think of is that I am using a 64bit win7

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  • Can we use JCR API over MySQL?

    - by n_mysql
    Apache Jackrabbit (or the JCR API) helps you separate the data store from the data management system. This would mean that every data store provider would have to implement the JCR API for his own data store. The question is JCR implemented for MySQL? Can we use the JCR API over MySQL? I want to truly abstract out where i store my content, so that tomorrow if i don't want to use a relational DB i can swap it out with the file system with ease.

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  • VBScript file open dialog that works in XP and Vista?

    - by codeulike
    In XP, you can use VBScript with the UserAccounts.CommonDialog object to bring up a File Open dialog (as described here), but apparently this does not work under Vista. Is there a VBScript method for File-Open dialogs that will work for both? Or even one that will work nicely for Vista? Disclaimer: I'm a proper programmer, honest, and don't usually work with VBScript - I am asking this question 'for a friend'.

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  • Script tag in XHTML

    - by Ben
    Hi, This might sound like a reaaaally dumb question but... why do browsers have a fit with this syntax: <script type='text/javascript' src="/path/to/my.js" /> and want this instead <script type='text/javascript' src="/path/to/my.js"></script> Seems the first construct should be valid since there's no inner content to the tag.. ?

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  • HowTo Crypt/Encrypt some string (e.g. Password) on Qt simple

    - by mosg
    Hi. Here what I have got: Qt SDK version 4.6.2 Windows XP Question: how can I simply crypt and encrypt simple QString value? I need this to be able to save some crypted string into the INI file, and after reopening application encrypt string to normal password string value. PS: I'm looking simple and nice solution. Thanks for help!

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  • WebSocket for HTML5

    - by Sareuon
    Introduction: I am going to develop the instance messaging that is run on the browser. Problem: Unfortunately I can not find and no idea what are the browser that is support with web-socket. Question: What are the browser that support web-socket?

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  • To HTML 5 or not HTML 5 ?

    - by ZX12R
    I am a designer whose main marketing strategy is multi browser compatibility. I assure my clients that the site will work even in IE6 (!). Of late i have been pondering over the question of moving to HTML 5. The reason behind my apprehension is that IE6 is still a major player in terms of market share and i don't want to lose it. Is there any way of moving to HTML 5 and still promise multi browser compatibility? Thank you.

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  • Push Notification in non english languages

    - by jmall
    Hello, I have implemented successfully this code: http://stackoverflow.com/questions/1020762/does-anyone-know-how-to-write-an-apple-push-notification-provider-in-c It works great. But I have a question, can anybody help me how to send non english messages like Hebrew Or Arabic? If the string contains any non english characters, it is not sent. Thank you

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  • Adding custom perfomance counters in ASP.Net for service calls

    - by Nithin
    Hi All, I have to show the time taken for a service call in Perfmon from my ASP.Net application. For this, I have added a stopwatch which starts at the service call start and stops at service call stop. Now I have a custom counter which user AverageTimer32 to log the stopwatch values to Perfmon. My question is, how can I show the service names on the Perfmon graph. I am using windows XP (I know windows server perfmon has some fancy stuff).

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  • android surfaceview is no longer visible after back from other activity

    - by user308748
    i have a question in developing some android program... i use surfaceview for camera preview. it works fine, but has one problem when i start other activity (by clicking something) and then back from that activity. after that, surfaceview is no longer visible. (but onclicklistener is working) but when i occur surfacecreated/destoryed by visible/invisible surfaceview in single activity, it works very good. plz give me any help.

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