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• How to RowTest with MSTest ?

  - by dr. evil

  I know that MSTest doens't support RowTest and similar tests. What MSTests users do? How is it possible to live without RowTest support? I've seen DataDriven test features but sounds like too much overhead, is there any 3rd patch or tool which allow me to do RowTest similar tests in MSTest ?

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• Finding the string length of a integer in .NET

  - by James Newton-King

  In .NET what is the best way to find the length of an integer in characters if it was represented as a string? e.g. 1 = 1 character 10 = 2 characters 99 = 2 characters 100 = 3 characters 1000 = 4 characters The obvious answer is to convert the int to a string and get its length but I want the best performance possible without the overhead of creating a new string.

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• Why better isolation level means better performance in MS SQL Server

  - by Oleg Zhylin

  When measuring performance on my query I came up with a dependency between isolation level and elapsed time that was surprising to me READUNCOMMITTED - 409024 READCOMMITTED - 368021 REPEATABLEREAD - 358019 SERIALIZABLE - 348019 Left column is table hint, and the right column is elapsed time in microseconds (sys.dm_exec_query_stats.total_elapsed_time). Why better isolation level gives better performance? This is a development machine and no concurrency whatsoever happens. I would expect READUNCOMMITTED to be the fasted due to less locking overhead.

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• How do I start WebDevServer from a .sln file without opening Visual Studio 2008

  - by -providerscriptmaster

  Is there a way to start WebDevServer (Visual Web Development Server) by passing in the .sln file without actually opening Visual Studio 2008? I am a JavaScript developer and I work in a client project and I want to save the memory overhead consumed by VS and give it to multiple browsers for cross-browser testing. I am hesitant with setting up IIS (Visual Web Dev server is SO LIGHT-WEIGHT being Cassini). Please advice. Thanks!

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• how to generate thread dump java on out of memory error

  - by Jigar

  does java 6 generate thread dump in addition to heap dump (java_pid14941.hprof) this is what happened to one of my applications. java.lang.OutOfMemoryError: GC overhead limit exceeded Dumping heap to java_pid14941.hprof ... I did find ava_pid14941.hprof in working directory, but didn't find any file which contains thread dump. I need to know what all the threads were doing when I got this OutOfMemory error. Is there any configuration option which will generate thread dump in addition to heap dump on out of memory exception?

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• iPhone SDK: How to generate a random time of day

  - by bigdave

  Hello all, I am having some problems trying to figure out the best way of generating a random time of day. For instance, if I want to choose a random time between the hours of 9am and 5pm, what would be the best way with the least amount of overhead on the device? I guess I need someone to point me in the right direction. Thanks!

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• Programatically setting castor properites in version 1.3

  - by Dinuk

  Hello, I am trying to programmatically set the org.exolab.castor.indent property when marshalling some objects - however, contrary to the documentation published, the class org.exolab.castor.util.LocalConfiguration does not seem to be shipped with the 1.3 release. Currently, I have specified the castor.properties file on the classpath, which is picking up the properties I want to set, but I would rather reduce this deployment overhead, as my indentation requirement is not likely to change. Any advice would be greatly appreciated.

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• Get JS file via HTTPS from a HTTP page

  - by Mike

  Okay, so what are the ramifications of getting a JS file via an HTTPS call while on a HTTP page. I assume it would just be a little bit of extra overhead. Would there be any warnings about this call from any certain browser? Don't ask why. It's just hypothetical.

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• When should I stub out a type by manually creating a "stub" version, rather than using a mocking fra

  - by Ben Aston

  Are there any circumstances where it is favourable to manually create a stub type, as opposed to using a mocking framework (such as Rhino Mocks) at the point of test. We take both these approaches in our projects. My gut feel when I look at the long list of stub versions of objects is that it will add maintenance overhead, and moves the implementation of the stub away from the point of test.

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• is there a faster version of fminbnd in matlab?

  - by kloop

  I am now using fminbnd in Matlab, and I find it relatively slow (I am using it inside a nested loop). The function itself, its interface and the values it returns are great, but when looking into the .m file I see it is not optimized. As a matter of fact, I was hoping for something like that to be written as a mex. Anyone knows of an alternative to fminbnd which works much faster and does not have much overhead?

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• android mobile development performance vs extensibility

  - by mixm

  im developing a game in android, and i've been thinking about subdividing many of the elements of the game (e.g. game objects) into separate classes and sub-classes. but i know that method calls to these objects will cause some overhead. would it be better to improve performance or to improve extensibility?

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• getting close to real-time with hadoop

  - by Akhil

  I need some good references for using Hadoop for real-time systems like searching with little response time. I know hadoop has its overhead of hdfs, but whats the best way of doing this with hadoop.

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• INotifyPropertyChanged property name - hardcode vs reflection?

  - by Kerry Jenkins

  What is the best way to specify a property name when using INotifyPropertyChanged? Most examples hardcode the property name as an argument on the PropertyChanged Event. I was thinking about using MethodBase.GetCurrentMethod.Name.Substring(4) but am a little uneasy about the reflection overhead.

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• How can I obtain a list of modified files within a 'changeset' range from team foundation server thr

  - by Colin W

  I'm trying to create a tool which will help my team perform code reviews on a more regular basis without it's usual massive overhead. At the moment the manual process involves using Team Foundation Sidekicks to identify the Changesets and then exporting that to excel to filter the results to find which items need to be reviewed (e.g. code files). I've heard mention of using a TFS API, but found very little help online possibly because I was asking google 'the wrong questions'.

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• How to check if a texture is bound in OpenGL ES

  - by hyn

  In OpenGL ES, is there a way to check if a texture is currently bound, as to avoid the overhead of state changes in glBindTexture()? glAreTexturesResident() seems to be what I want, but it's not defined in iPhone's ES1/ES2 implementation.

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• How can i calculate an optimal UDP packet size for a datastream?

  - by Andrew Bolster

  Short radio link with a data source attached with a needed throughput of 1280Kbps over IPv6 with a UDP Stop-and-wait protocol, no other clients or noticeable noise sources in the area. How on earth can i calculate what the best packet size is to minimise overhead?

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• C# Object Declarations

  - by pm_2

  Are there any overheads to using the following sytax: Form1 myForm = new Form1(); myForm.Show(); As opposed to: Form1 myForm; myForm = new Form1(); myForm.Show(); When I was learning VB6, I was told doing the quivelent in VB had an overhead - is the same true in .NET?

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• How do I take advantage of Connection Pooling with Apache Active MQ?

  - by ScArcher2

  I'd like to know how to properly use connection pooling with Active MQ. Currently I have a Connection Factory that creates a new connection every time I want to send a message. I'd like to be able to pool Connections so I don't incur the overhead of connecting every time.

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• Linq To Sql or classic ADO.net?

  - by Spyros

  I am asking my self many times before start writting a new app or data access library , should I use LinqToSql or classic ADO.net , I have used both and the development time I spend on building an app with Linq To sql is like the 1/3 compared to ADO.net. The only think I like using Linq to sql is that I dont have to design the domain objects Linq does that for me and saves me from spend my time on boring things :P But is Linq to sql suitable for large scale projects , is there an overhead that we can avoid when using ADO.net ?

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• Why is RSpec so slow under Rails?

  - by Adrian Dunston

  Whenever I run rspec tests for my Rails application it takes forever and a day of overhead before it actually starts running tests. Why is rspec so slow? Is there a way to speed up Rails' initial load or single out the part of my Rails app I need (e.g. ActiveRecord stuff only) so it doesn't load absolutely everything to run a few tests?

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• What is the right data type for calculations in Java

  - by Raju

  Should we use double or BigDecimal for calculations in Java? How much is the overhead in terms of performance for BigDecimal as compared to double?

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• Real life examples of actionStack helper in Zend Framework

  - by takeshin

  Do you know any real life examples of actionStack() action helper in Zend Framework? It seems quite a big overhead to have multiple dispatch loops. Then when it is really needed?

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• Exception in thread "main" java.lang.OutOfMemoryError, How to find and fix??

  - by or.nomore

  hey, I'm trying to programming a crossword creator. using a given dictionary txt file and a given pattern txt file. The basic idea is using DFS algorithm. the problem begin when the dictionary file is v-e-r-y big (about 50000 words). then i recive the : Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded i know that there is a part in my program that waists memory, but i don't know where it is, how to find it and how to fix it

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• Is there some performance issue between leaving empty ListProperties or using dynamic (expando) prop

  - by indiehacker

  Is there a datastore performance difference between adding dynamic properties of the expando class when they are needed for an entity or the simpler (for me) framework of just setting up all possible properties I might need from the start even though most instances will just be left empty. In my specific case I would be having 5-8 empty ReferenceList properties as 'overhead' that will be empty when I skip using expando class.

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• Is there a memory and performance hit taken from using Bloch's Builder Pattern?

  - by WolfmanDragon

  What is the memory and performance usage compared to creating a object with only a constructor? The usage here is in creating a Set<Object> or List<Object> that may contain million plus entries and I am concerned with the overhead of using Bloch's Builder Pattern. I have used it in the past, but never in this large of a scope.

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