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• convert string to a xml file ?

  - by Amit

  Hello All, How to convert a string to a xml file and save on disk ? Thanks in advance...

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• Use of With Clause in Sql Server

  - by hgulyan

  Hi friends, please, help me understand how's that working. Does it really give me some performance boost or it just helps to make more readable scripts? Thanks.

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• Is it worth investing time in learning low level Java?

  - by Kevin Rave

  Low level Java, I mean, bits, bytes, bit masking, GC internals, JVM stuff, etc in the following contexts: - When you are building an enterprise app using frameworks like Spring, Hybernate, etc. - Interviews for a Sr Java Developer position where you are expected work on a existing Enterprise App that was built using some frameworks (Spring, EJB, Hybernate,etc) - Architects (Java) I understand knowing the very low level is "good". But how often do you think / use of these in the real-world, unless you are developing something from the ground-up keeping performance in mind?

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• How uninstall/delete MSDN Library - January 2002 from my machine?

  - by 5YrsLaterDBA

  I am cleaning up my machine and found cannot uninstall MSDN Library - January 2002 due to an error. It takes 1.3G disk space. I want to remove it. any idea where it is and how to manually remove it? or any free tool can do the trick for me? I am plan to install Visual Studio 2008 professional. I am using Windows XP. thanks,

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• WCF v.s. legacy ASP.Net Web Services

  - by George2

  Duplicate: although this is a good discussion, this is a duplicate of Web Services — WCF vs. Standard. Please consider adding any new information to the earlier question and closing this one. Could anyone recommend me some documents to describe why WCF is better than legacy ASP.Net web services? I am especially interested in performance and security. Thanks!

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• nokogiri vs hpricot?

  - by roshan

  Which one would you choose? My important attributes are (not in order) Support & Future enhancements Community & general knowledge base (on the Internet) Comprehensive (i.e proven to parse a wide range of *.*ml pages) Performance Memory Footprint (runtime, not the code-base)

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• Optimal pixel format for drawing on iPhone?

  - by Felixyz

  Pretty simple question: when doing some pretty intense drawing with CoreGraphics on the iPhone, how can I specify the pixel format to get optimal performance? Is the format that I get from the context via UIGraphicsGetCurrentContext per definition the best one? I know that RGB565 is supposed to be the fastest to use in OpenGL. Does that go for CoreGraphics as well? General advice?

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• convert rgb 2 black & white in opencv

  - by mohammed

  i need to know the function that convert RGB image into black &white(binary image) & i need to know if i can save modified image after conversion on hard disk if so what's this function?

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• Why does an empty database take megabytes of space?

  - by Joonas Pulakka

  When experimenting with (embedded) Apache Derby DB, I noticed that a fresh database, with no tables in it, takes about 1.7 MB of disk space. It's quite a bit more than my common wisdom would expect. Why is that? Are there significant differences in this between various database engines?

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• classic asp - cdonts

  - by thegunner

  I'm trying to send an email using classic asp and cdonts on a Windows Server 2003 machine. But I'm guessing the SMTP service needs to be running. Unfortunately it's asking for teh SP1 disk...which apparently has gone missing. I'm guessing not but is there any other way of doing this? Thanks,

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• Caching XSD schema to reuse in several XML DOM parser tasks in Xerces

  - by Catalin Piti?

  How can I cache an XSD schema (residing on disk) to be reused when parsing XMLs in Xerces (C++)? I would like to load the XSD schema when starting the process, then, whenever I need to parse an XML, to validate it first using this loaded schema.

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• What are the mayor differences between NET Frameworks 3.5 and 4.0?

  - by Junior Mayhé

  Hi Guys Is there any real great (really good) difference between NET Framework 3.5 and NET Framework 4.0? Perhaps something regarding performance? thank you

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• Which chemical stimulation do you require while coding?

  - by Ryan

  Whatever it be, caffeine, tobacco, whatever, list your programming performance enhancing drug of choice. Do you feel like you NEED it to be most effective at your work? Vote up someone if they answered the same as you.

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• cached data base

  - by radi

  hi , in my project i need a tow tables each of it has about 2000 row , i want my application to be speed so my db should load into memory (cached) when the app start and before it close the db have to be saved on the disk . i am using java and i want to use sql

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• What is the difference between (object!=null) and (null!=object)? (Java being the language of choice

  - by palakaluri

  if(null!=object) //do something and if(object!=null) // do something Any performance improvement involved in this type of null checking. (I know null checking is sort of ugly)

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• Comparison of AOP tools for ASP.NET

  - by Myster

  From an asp.net perspective (C#) What are the strengths and weaknesses of each AOP tool? Some factors to include: Learning curve (for AOP newbies) Interceptions possible Performance Cost

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• Live javascript debugging by recording function calls and parameters

  - by Jenko

  Is there a debugging system that allows me to record javascript function calls and their parameters as they occur? this would allow me to trace and debug applications in live/client situations without the performance hit due to manual logging. Edit: I'm not talking about manually calling functions using a 'console' window and viewing the results, or manually adding 'trace' or 'log' commands into my javascript. I need it to work with any running javascript.

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• Which design pattern should be used to create an emulator?

  - by Facon

  I have programmed an emulator, but I have some doubts about how to organizate it properly, because, I see that it has some problems about classes connection (CPU <- Machine Board). For example: I/O ports, interruptions, communication between two or more CPU, etc. I need for the emulator to has the best performance and good understanding of the code. PD: Sorry for my bad English. EDITED - Asking for multiple patterns.

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• MySQLi -- OO or Procedural?

  - by Kerry

  I know OO is the "way to go" but I'm thinking procedural might be easier to use in the wrapper I'm making. Any difference in performance between MySQLi Object Oriented vs Procedural?

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• Screen Capture in DOS

  - by Arman

  Is it possible to capture screen in Disk operating system and save the screen as static jpg image. Kindly give me some direction.

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• Linq-to-SQL: how many datacontexts ?

  - by sh00

  I have a SQL Server 2008 database with 300 tables. The application I have to design is an Windows Forms app, .NET 3.5, C#. Which is the best way to work with Linq-to-SQL ? I intend to make a datacontext for each business entity. Is there any problem ? I need to know if this way of working with Linq-to-SQL has any disadvantage or can create performance issues ? Thanks.

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• Edit very large xml files

  - by Matt

  I would like to create a text box which loads xml files and let users edit them. However, I cannot use XmlDocument to load since the files can be very large. I am looking for options to stream/load the xml document in chunks so that I do not get out of memory errors -- at the same time, performance is important too. Could you let me know what would be good options?

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• How to check the type of inputAvailable in iPad?

  - by iphoneDev

  Hi, I am implementing the sound recording functionality in my iPad app. I want to prompt the user to attach his headphone with microphone for better performance.For this I need to check that whether the user has connected the headphone with microphone or not. In the AVAudioSession there is a method inputIsAvailable.But this method returns 'Yes' for the inbuilt mic of iPad also.So,please suggest how to detect that whether the headphone with mic is connected to the device or not??

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• LINQ2SQL: how many datacontexts ?

  - by sh00

  I have a SQL Server 2008 database with 300 tables. The application I have to design is an Windows Forms app, .NET 3.5, C#. Which is the best way to work with LINQ2SQL ? I intend to make a datacontext for each business entity. Is there any problem ? I need to know if this way of working with LINQ has any disadvantage or can create performance issues ? Thanks.

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• BasicDataSource configured in spring vs Weblogic datasource

  - by gauravkarnatak

  1. BasicDataSource configured in spring 2. Weblogic datasource which implementation is better in terms of 1.Stability 2.Performance 3.scalability 4.Online Help

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