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  • Extract dates from filename(C#3.0)

    - by Newbie
    I have a situation where I need to extract dates from the file names whose general pattern is [filename_]YYYYMMDD[.fileExtension] e.g. "xxx_20100326.xls" or x2v_20100326.csv The below program does the work //Number of charecter in the substring is set to 8 //since the length of YYYYMMDD is 8 public static string ExtractDatesFromFileNames(string fileName) { return fileName.Substring(fileName.IndexOf("_") + 1, 8); } Is there any better option of achieving the same? I am basically looking for standard practice. I am using C#3.0 and dotnet framework 3.5 Thanks

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  • Is it best to code from a blank sheet or improving a code that's already written?

    - by user300371
    Just had a curious thought, but for general coding and programming, do you think it's best to work out all the logic yourself and start from a blank sheet or just take a code that has been written already(by you or someone else) and just change it to your liking? Assuming you have a programming background of like 1year+. (because as a beginner, it's best to learn from nothing) I'm not saying copy+paste someone else's code and say it's yours.

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  • hosting website on a private network

    - by razor
    i'm currently running a website off 3 linux servers. I'd like to setup a private network and only allow port 80 traffic to one of the servers. I'd also like to setup a vpn so only I can access the servers via ssh or any port for developing/debugging. How hard is this to setup and what do I need to get? Do enterprise/commercial routers have vpn functionality built in? how do I handle DNS? eg- www.mydomain.com would need to point to the router, which forwards traffic to the webserver. Do I set the A record to the router, and somehow tell the router which server to send the http request to? And how would I make server1.mydomain.com resolve to server1 within the private network (without editing host files)? Would I need to run my own DNS (eg- powerdns?) to do this?

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  • Visual Studio 2012 intermittent lockup

    - by user1892678
    Visual Studio 2012 intermittently locks up on me. I notice that devenv.exe jumps to 50% CPU utilization. The CPU stays at this level for a few minutes and then drops. While its at 50% utilization I can still use the IDE. However, intermittently it stops responding (as though it was performing some sort of background process). It only lasts for a few seconds. Also this happens when debugging. I'm running under Windows 7 and I'm using Telerik controls. I've disabled add-ins and extensions and have had no success. Any ideas would be appreciated? Thanks

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  • Small utilities useful while programming [closed]

    - by subSeven
    What small and cool applications that can be helpful for programmer do you know ? I think about programs that not very famous. I know three: http://advsys.net/ken/download.htm EvalDraw - for protoyping games http://www.drpetter.se/project_sfxr.html sfxr - for makeing sound http://www.kloonigames.com/blog/general/timelog timelog - for mangament time of project

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  • International Zip Code Search

    - by Dave
    I implemented a U.S. "find near zip code" search for somebody. The coordinates of U.S. zip codes come from a commercial zip code database. Now, they would like a similar ability for countries other than the U.S. Has anybody implemented something like this for non-U.S. searches? How about general "find close to this address" searches? What commercial data is available?

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  • Delphi: Which are the downsides of having unused units listed in the uses clause?

    - by user193655
    I use cnPack Uses cleaner, but in general which are the downsides of having useless units? I know some of them: 1) of course if the unit is never used across the full project there will be useless resource consuption 2) the code insight will give useless results 3) the code insight will be slower But imagine a simple case: I have a project with 2 forms, I use StrUtils in one of them but I declared StrUtils in both of them... Is there any downside in temrs of memory consumption in this case or not?

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  • youtube video on Mac os?

    - by Mahmoud
    I have inserted a video from youtube into a DIV tag, used the actual "embed" code found on youtube site. and used jquery to show/hide the div. when activated, the flash video shows perfectly in the div, when clicked it plays as usual the only problem i have is when someone using a Mac, and clicks on play, the flash video disappears. this happened on many Mac computers regardles of the browser being in use ( none Firefox neither Safari are working ) although i have tested it on all general browsers on windows and it works fine

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  • out of memory error , my app's fault?

    - by arnold
    hello all, i have a aplication on the android market , in wich exceptions and errors are catched and sent to me by acra. But i receive quite a lot out of memory errors.. In different kind of classes...some my app, some general java.. Does this always mean there is a problem in my app, or can it also be the phone ran out of memory due to a other process? Will users also get a fc dialog ? thnks

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  • How do I display the Java console?

    - by Brian Knoblauch
    I'm aware of the fact that you can set it to "show" in the Java control panel, but that's not what I'm asking about. I'm curious about the other options... "Do not start" is pretty straightforward, but what about "Hide"? That would seem to imply that it is indeed running. If so, how can I make it show on demand from the hidden state? Reason: It's annoying to have it open ALL the time, hoping there's a way to (preferably via keystroke) bring it from "hidden" to "shown" state for occasional debugging.

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  • REST services - exposing non-data "actions"

    - by ctacke
    I understand how to use REST for doing general entity interactions - using urls names to map to entities and the HTTP verbs to map to actions on those entities. But what is the generally accepted way of looking at "actions" more like RPC? For example, let's say I want to send a command for the device to reset? There's no real "entity" here or do I do something like POST to http://mydevice/device/reset?

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  • Database advantages? Access, MySQL, msSQL, or any others?

    - by JimZ
    Dear all Stackoverflowers, I just started to learn programming and now I'm putting this question online based on a quote: no question is silly My work needs to develop a order system based on web, which wants a database system. Since using Excel for years as a general office user, I naturally turn this to Access. However, most people say Access is very limited comparing to MySQL or MSSQL, or any other more professional database system. But after developing some functions for my company's order system, I really find Access can fulfill my request. And I also tried MSSQL to develop, which I found it not quite convenient to use. I have searched in stackoverflow and find no general answer about my doubt. Now I am sincerely hoping some experienced and professional developers could clear my doubts. Now I'm listing some Access advantages, which I don't think other database system have. I hope you could help me also find these advantages in others. 1. Access is portable, I can just copy a xxx.accdb file to my company and continue with development. 2. Access is easy to generate helpful table, for example, it will automatically generate a field that can automatically count, could be used as primary key value. 3. it is more compatable with Excel, to display and filter data. 4. importantly, it nerely needs no environment to setup, just needs MS Office to be installed. ............others However, I also find some points that MSSQL is advantaged: 1. security reasons 2. easy to backup, ( just use BACKUP..... sql statement to do it) 3. can edit stored procedure to save some functions to database ...............others specifically, I wish some friends could tell me how to make other database portable? since I usually work both at home and in office. It's a headache to move MSSQL work to my office, since the version of MSSQL is not the same. Thank you all and best regards, :)

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  • jquery cousin element

    - by salmane
    I am trying to locate the closest element that contains a class....this is in an effort to find the "cousin" of the current element that i have.. the following did not work : $('myelement').closest ('*:has(.class1)').find('class_cousin') I am using the * in closest since i am not sure what type element is the one i am looking for nor do I know if it has any classes or ID ( i am trying to keep it general for a plugin) any idea how I could do it? thank you

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  • Possible ways of representing data in memory (.net)

    - by This is it
    Hi What are the possible ways of representing data in memory in .Net (or in general)? It would be great if data could be sorted and looked up by key (or multiple keys). We are thinking to use collections, arrays, list of collections/arrays. One object would be in several collections (one sorted asc, other desc, etc.). Maybe this is not a good idea, and we would like to hear some other possible solutions. Thank you

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  • A unique identifier for a Domain

    - by jchoover
    I asked a question over on StackOverflow and was directed to ask a related one here to see if I could get any additional input. Basically, I am looking to have my application aware of what domain it's running under, if any at all. (I want to expose certain debugging facilities only in house, and due to our deployment model it isn't possible to have a different build.) Since I am over paranoid, I didn't want to just rely on the domain name to ensure we are in house. As such I noted the DOMAIN_CONTROLLER_INFO (http://msdn.microsoft.com/en-us/library/ms675912(v=vs.85).aspx ) returned from DsGetDcName (http://msdn.microsoft.com/en-us/library/ms675983(v=vs.85).aspx) has a GUID associated with it, however I can find little if any information on it. I am assuming this GUID is generated at the time the first DC in a domain is created, and that it would live on for the life of the domain. Does anyone else have any inner knowledge and would be kind enough to confirm or deny my assumptions?

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  • Calendar formatting issues

    - by Philipp
    Hi folks! We're searching for information on how to format instances of java.util.Calendar and more general information and coding hints regarding transition from using java.util.Date to java.util.Calendar. best, phil

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  • "Multi-threading" w/ NSTimers in an iPhone app

    - by MrDatabase
    Say I have two NSTimers in my iPhone app: timer1 and timer2. timer1 calls function1 30 times per second and timer2 calls function2 30 times per second. Assume these two functions are reading and updating the same integer variables. Are there any "multi-threading" issues here? If not how does iPhone OS handle the execution of the two functions (in general)?

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  • Is Spring hard compared to Ruby on Rails?

    - by johnny
    If I have no to little experience in either of them, but know enough Java and Ruby to be comfortable, is one framework harder to learn than the other? Is one easier to use for the beginner on these? I know it is hard to answer. Just looking for general thoughts on it.

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  • Validating entered user data

    - by msfanboy
    Hello, this is a general question but I do a desktop application. Should I check for example the firstname exceeding 50 chars or is this a matter of taste? Or should I check for 50 chars because the user could flood my database with 10000000 chars ?

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  • Portable C++ IDE

    - by Click Ok
    I want a portable C++ IDE for general development, and too to develop basic Windows GUI applications. In my research, I've found this (with latest version date): CodeLite IDE (2010-04-02) Code::Blocks (2008-02-28) Bloodshed Dev-C++ (2005-02-22) NetBeans (2009-12-10) Ultimate++ (2010-03-16) Qt Creator (2010-02-01) But I don't know if some these IDE's supports Windows GUI development (or Cross Platform GUI development) or if can be Portable (NetBeans can be portable).

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  • Is strict mode more performant?

    - by sje397
    Does executing javascript within a browser in 'strict mode' make it more performant, in general? Do any of the major browsers do additional optimisation or use any other techniques that will improve performance in strict mode? Edit: Since none of the major engines actually implement strict mode, I'll rephrase slightly: Is strict mode intended, amongst its other goals, to allow browsers to introduce additional optimisations or other performance enhancements?

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  • Converted VmWare Image does not boot in Virtual Box

    - by vBox Question
    I have a .vddx virtual image which boots in VmWare, but I'm having trouble getting it to work with Sun Virtual Box. In Sun Virtual Box, I created a new Virtual Machine and pointed it at the vddx file from VmWare. When I try to boot the virtual machine, Sun Virtual Box says that the volume is not bootable. VmWare is able to boot from this virtual machine. Does anyone have any suggestions about what might be causing the problem? Is there a conversion utility that I need to run? Any debugging options that I could turn on?

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  • How does one programmatically download files from the web?

    - by ytrp
    How are files downloaded from servers in programming languages like C? I understand higher level languages have magic functions like "download_file_from_url()" but they don't help me understand what is actually going on. I'm a little familiar with sockets but network programming in general is still a black box to me. Thanks for any help.

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