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• Load Runner Connection time out

  - by user1662008

  Our performance testing team is running test on our WPF-WCF-Sql Server application and they are facing connection timeout after the load goes above 75 users Error -27796: Failed to connect to server "81.171.180.119:4567": [10060] Connection timed out I would like to know what can be steps to look at bottlenecks which may be causing issues like maybe some setting in Load Runner or identify the code bottlenecks. Thanks

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• Why does isNaN(123.) return false?

  - by vivekraman

  Hi, Why does the Javascript function call isNaN(123.) return false? Is this a universally acceptable number or will it cause errors downstream? I'm validating whether a value is a valid decimal using isNaN along with split. Are there cross-browser issues with isNaN? Should I use a bespoke implementation? Thanks.

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• Can I use anything other than BIGINT as Primary Key data type in SQLite?

  - by weenet

  I was psyched about the possibility of using SQLite as a database solution during development so that I could focus on writing the code first and dynamically generating the db at runtime using NHibernate's ShemaExport functionality. However, I'm running into a few issues, not the least of which is that it seems that SQLite requires me to use Int64 for my primary keys (vs, say, Int32 or Guid). Is there any way around this?

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• how to stop an app on heroku

  - by yuri

  I have an app on heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new. Is there a way to stop the app on heroku rather than destroying it? I see that restart server command is there ...though I don't see anything like 'stop'

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• How can we generate email failure notice ?

  - by Anu

  How can we generate email failure notice in java if the email is not delivered due to issues like email address does not exists or delivery failure etc.... something like yahoomail notifications Thanks

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• How to update to Ruby 1.8.7

  - by Floetic

  I am new to Ruby, so bear with me. I've been trying to update my Ruby to 1.8.7 and just ran into many issues on my Mac OS X (10.5.7). So really, how do you update to Ruby 1.8.7? Thanks.

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• JIRA or Trac?

  - by seedhead

  I used Atlassian JIRA for bug and issue tracking at my last job. I absolutely loved it and it was particularly easy on the eyes. My present company is using Trac instead, and while it does do all the basics, I am finding it really lacking, particularly with the inability to easily setup multiple projects and link issues. Oh, and the fact that it uses SQLLite is a bit of an issue for me to. Does anyone have any other good reasons to switch?

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• JQuery get/ajax call executes callback without waiting for response

  - by dannyroa

  I'm having issues with my JQuery Ajax Call. The response is always null because the callback function is executed before the request to get_friends is completed. Is there anything I'm missing? Thanks in advance. $('#btn_update').click(function() { url = '/get_friends/'; $.get(url, {}, function(response){ alert(response); }); });

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• function to profile / performance test PHP functions?

  - by Haroldo

  I'm not experiencing any performance issues, however I'd like to take a look at what takes how long and how much memory cpu it uses etc. I'd like to get a firsthand understanding of which things can be bottle necks etc and improve any code i might reuse or build upon... (perfectionist) I'm looking to create a litte function that i can call at the begining and end of each function that records: execution time memory used cpu demand any ideas?

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• Importing data and keeping ids and relationships

  - by Justin Hamade

  I am working on cleaning up a mess that another programmer started. The created 2 identical databases for different locations but that obviously caused major issues. They are using cakePHP and there are quite a few relationships. I am pretty sure I will have to write a script to import that data from on DB to the other and keep all the relationships but was wondering if there is an easier way to do it.

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• Encoding Video on the iPhone

  - by Dave

  Im trying to record the contents of the iPhone screen to video , in the app I'm working on there able to create a little animation. I'm just not sure how to encode the screen contents/animation to video? The problem with using something like ffmpeg is that its LGPL which can lead to licensing issues, is there a better option?

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• Latency on mobile networks (Android)

  - by Meep3D

  I am planning to give mobile phone development a shot and was thinking about making some simple multiplayer games. I know latency over local wifi is probably fine but what are the issues with latency over GPRS/3G? I've searched and the best I've seen is someone saying it was 'high', without presenting any concrete numbers. I suppose latency fluctuations are important as well - does anyone have any info on this?

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• Should multiple regional websites all use the same database?

  - by John Himmelman

  I'm developing a cms for a company that has multiple regional sites (us, uk, china, russia, etc..). Should I use a separate database for each of these sites or use a single database with a 'site' field in each table? My main concern is the table language encoding (ie, can storing strings in different langauges in the same table cause problems, such as sorting issues).

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• Reading opened Excel file by OLEDB

  - by Sathish

  I am using OLEDB method to read an excel file, however if the file is closed then there is no issues but if the file that has to be read is open then if i use oledb i get an error. Any workaround for this??????? Please help....

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• Video For Windows disable FILE_FLAG_NO_BUFFERING

  - by cunzlow

  I am using Video For Window's AVIFile functions. When I use AVIFileOpen I notice that it uses the flag FILE_FLAG_NO_BUFFERING when creating the .avi file. ProcessMonitor shows the that file was created with "no buffering". This flag is causing performance issues and I was wondering if there is a way to use this function without that flag.

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• Using // in a <script>'s source

  - by Dan Beam

  Hello fellow front-end web h4X0|2s, I was wondering if anyone had any resources, proof, or personal experience in using the age-old http/https JavaScript hack: <script src="//someserver.com/js/script.js"></script> Has anyone encountered issues in any of these browsers (IE 5.5+, FF2+, Chrome, Opera 9+, Safari 3+)? Has anybody had success stories? Thank you for your help.

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• Is there a bug/issue tracking system which integrates with Mercurial?

  - by basszero

  I've used Trac/Subversion before and really like the integration. My current project is using Mercurial for distributed development and it'd be nice to be able to track issues/bugs and have this be integrated with Mercurial. I realized this could be tricky with the nature of DVCS.

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• Parent reference in automapped component in Fluent NHibernate

  - by asgerhallas

  In Fluent NHibernate, given an automapped component, is there a convention for setting up a parent reference back to the "holder" of the component? By having for example a property named Parent or something like that? I can't seem to find any information about how to do it or issues about it.

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• Please suggest good book/website to for Threads and Concurrency?

  - by learner

  I have gone through Head First Java and some other sites but I couldn't find complete stuff related to Threads and additional concurrency packages at one place. Please suggest a book/website which covers complete Threads with more details like Synchronize and locking of objects More detailed about volatile Visibility issues in Threads java.util.concurrent package java.util.concurrent.atomic package

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• C# Dictionary Performance

  - by derek

  I am using a Dictionary to store data, and will be caching it. I would like to avoid server memory issues, and have good performance by limiting the size of the Dictionary<, either in size or number of entries. What is the best method of doing this? Is there another class I should be considering other than a Dictionary?

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• Dataset size limit as an xml file.

  - by np

  Hi We are currently using DataSet for loading and saving our data to an xml file using Dataset and there is a good possibility that the size of the xml file could get very huge. Either way we are wondering if there is any limit on the size for an xml file so the Dataset would not run into any issues in the future due to the size of it. Please advise. Thanks N

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• In what situations does Flash SWF misbehaves in different browsers.

  - by coderex

  Hi, Recently I had some issues with Flash in IE, involving a SWF which is something like a gallery. In Firefox its loads perfectly, but in IE it doesn't work properly sometimes. The first time it is loaded its works fine but when I refresh all the images are blank. The image data came from XML. I wish to get some tips regarding the browsers and Flash / SWF behavior in each. Thanks in advance.

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• I'm still learning OOP. Any tips on staying unbiased and pragmatic?

  - by marcdev

  I keep reading about defficiencies and issues with languages. Specifically, I'm learning PHP and Javascript, but I see it everywhere. This question arose while reading Javascript: The Good Parts and PHP Objects, Patterns and Practice. While understanding and avoiding easy pitfalls, is there a way I can learn the fundamentals of OOP and discover solid programming practices without overlooking important areas (or simply becoming jaded)? I'm sure I'll have plenty of opportunity to learn from mistakes!

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• What are the fundamental differences ASP.net and PHP?

  - by palhmbus

  Are there speed differences, performance issues, and what reasons do businesses have when they choose one or the other... and is there a learning curve steeper for one over the other? Also... are you likely to be paid more using one over the other?

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• Visual studio does not show content of files

  - by EKS

  http://i41.tinypic.com/1z4bi1c.png Picture says it all, it should currently be showing a file but as you can see its having issues drawing the content of the file. I have unloaded all addons and restart visual studio. If it mathers the previus project was a VS 2k8.

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