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• WPF DataGrid Get All SelectedRows

  - by anvarbek raupov

  Have to use free WPF DataGrid (I thought Infragistics libraries are bad, I take it back after this) for this project of mine. Looks like DataGrid doesnt have clean MVVM Friendly way of getting the list of selectedRows ? I can data bind to SelectedItem="{Binding SelectedSourceFile}" but this only shows the 1st selected row. Need to be able to get all selected rows. Any hints to do it cleanly via MVVM ?

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• Clean Stack Traces in Groovy using Eclipse?

  - by yar

  I am using Groovy in a Java Swing application as part of my plan to force-feed myself dynamic languages until I like them (which is happening, partly). My stack traces are filled with Groovy stuff like org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor is there a way to get Eclipse to remove all of that codehaus stuff (filter stack traces, basically)? Edit: I can do this from the command-line with grep (well, not yet) so it's not so bad, but inside of Eclipse would be great too.

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• Where (layer) should DI be used?

  - by ryudice

  Is there any layer where it is bad practice to use DI? In a previous question a user mentioned that DI should only be used in the UI layer.

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• What must I learn to parse dynamic HTML sites with PHP?

  - by butteff

  What I must to learn to write php web-site grabber (parser)? It must collect information from other websites, such as as weather forecast, wiki "on this day", some news and other useful and interesting "every day" information! what i must to read for writing m3u player on php? sorry for my bad english

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• CSS not working correctly on IE 7

  - by vatismarty

  Hi people, I am working on a website curently. Here is the link for it. Good News : The site is fine on FireFox, Chrome and IE 8. Bad News: It is not fine on IE 7. Alignment problems, hyperlink colour problems, etc. What should i do to make things normal on IE7 too. Any amount of help would be appreciated. Thanks

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• 8 bit music type can play in Assembler 16 bit PC?

  - by Royee

  If it's avilable, how i can do that? OS:Windos. Sorry on the bad English..

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• Can I stop Uri from unencoding a url in WebRequest.Create?

  - by Paul

  The code itself isn't complex, it's just not working properly: Uri uri = new Uri("https://www.google.com/webmasters/tools/feeds/sites/http%3A%2F%2Fwww.mydomain.co.uk%2F"); WebRequest.Create(uri); I get a "Bad Request" back from the server, and after much MUCH digging, discovered that the uri is being turned in to "https://www.google.com/webmasters/tools/feeds/sites/http%3A//www.mydomain.co.uk/" which is not what I asked for, and so it's having a whinge Is there a way to stop this?

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• best approah (security) to do some admin work through web page in Linux?

  - by Data-Base

  Hello, I want to build a web based admin tools that allow the system admin to run pre-configured commands and scripts through a web page (simple and limited webmin), what is the best approach? I already started with Ubuntu installing LAMP and give the user www-data root's privileges !!! as I learned (please check the link) this is a really bad move !!!, so how to build such web-based system without the security risk? cheers

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• try .. catch blocks - when to use

  - by Konrad

  I have always been of the belief that if a method can throw an exception then it is reckless not to protect this call with a meaningful try block. I just posted 'You should ALWAYS wrap calls that can throw in try, catch blocks.' to this question and was told that it was 'remarkably bad advice' - I'd like to understand why. Thanks!

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• SEO - List of links

  - by Rafael Carvalho

  I'd like to know if listing a set of partner sites/blogs is useful for the pagerank growth. Does Google see it as an incorrect act? I read somewhere that if people exchange links, google seeks it and marks as a bad technique. If it doesn't matter, is the content of the linked site relevant?

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• Messenger -"Register" an instance and not a type with the MVVM Light Toolkit?

  - by vidalsasoon

  Hello i'm consfused using the Messenger class of MVVM Light. I have a ProductsViewModel that can get initialized a number of times. In the constructor of ProductsViewModel I have this code: Messenger.Default.Register(this, n = MessageBox.Show(n.Test)); The problem is, if I have 2 instances of ProductsViewModel, then Messenger gets registered twice. Is is bad to Register the Messenger in a constructor? Hope this makes sense!

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• JRuby-friendly method for parallel-testing Rails app

  - by Toby Hede

  I am looking for a system to parallelise a large suite of tests in a Ruby on Rails app (using rspec, cucumber) that works using JRuby. Cucumber is actually not too bad, but the full rSpec suite currently takes nearly 20 minutes to run. The systems I can find (hydra, parallel-test) look like they use forking, which isn't the ideal solution for the JRuby environment.

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• Strategy to rename the require_once function?

  - by openfrog

  Rather than just writing a new function called import() i'd like to know if there's a better solution. Otherwise require_once would be included in the scope of import() only, which is bad for any "global" variable there. My import() function would work differently than require_once, but serves the same purpose (enhanced usability).

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• PHP error handling : my code is not optimized

  - by Tristan

  Hello, I must warn you, this code will heart your eyes, so please don't judge me, i'm trying to improve the way I handle errors all my tests are like this : if ($something < 27) { $error_IP= '<div class="error_message">something bad</div> '; }else{ $erreur_IP=''; } and here's the ugliest thing : if( !isset($_POST) || ($erreur_captcha !='') || ($erreur_email !='') || ($erreur_hebergeurVide != '') || ($erreur_paysVide != '') || ($erreur_slotVide != '') || ($erreur_rconVide != '') || ($erreur_tick != '') + a lot more :d ) What do you suggest to me to optimize my errors handling ? Thank you

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• Problem with heroku db:pull while at work.

  - by shopfiber

  When I try to pull down a database while at work I get the following error: :>heroku db:pull Auto-detected local database: sqlite://db/development.sqlite3 Bad credentials given for http://heroku:[hidden]@taps.heroku.com Note that when I am at home I am able to run this command just fine. I wanted to know if you have any suggestions for common reasons I would get this error.

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• Recommended SQL Practice and Books

  - by John Hpa

  Hi, Please recommend me some books and practices for me. I am quite weak in SQL though not that bad in C# and VB.NET. Thanks.

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• Best solution for a windows service with constant running threads in C# 4.0

  - by dagda1

  Hi, I want to create a windows service that will create x number of threads that wake up every x number of minutes and do some work. I think the task scheduling or parallel framework is a bad fit for this type of work as it is best suited for work that starts, completes and finishes rather than is constant. Should I look at utilising a thread pool for this approach or does anyone have any advice for a good solution? Thanks Paul

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• How to remove a folder named ${env.CATALINA_HOME} from an Subversion repo

  - by D Lawson

  I pulled a stupid and accidentally committed a folder named ${env.CATALINA_HOME} to my subversion repo. I tried doing an svn rm /path/to/${env.CATALINA_HOME} but it says "bad substitution" which I'm guessing means that it cant figure out why i'm using ${} notation in the path. I also tried surrounding the path in quotes, to no avail. Suggestions?

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• Function pointer make the program slow?

  - by drigoSkalWalker

  Hi guys. I read about function pointers in C And everyone said that will make my program run slow. Is it true? I made a program to check it. And I got the same results on both cases. (mesure the time.) So, is it bad to use fuction pointer? Thanks in advance.

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• Merging list problem

  - by Martin Malmstrøm

  Sorry about the bad heading, but the question was not easy to compress into one sentence... I have two lists of contigs (list1 and list2). They contain mostly unique contigs, but with some overlap. I want to compare list1 and list2 and then create a list3 that contains all contigs in list1 minus those also present in list2. Is this possible with a simple cat/paste/grep/sort/uniq kind of batch command? Thanks!

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• What is the best way to do server-side output caching in PHP?

  - by Paul Tarjan

  I have a pretty complicated index.php now, and I would like to only run it once every hour. What is the best way to achieve this? Some ideas I've had Put it in APC with apc_store($page, 60*60*) - I feel this isn't what APC is for and will probably be doing something bad to the other parts of my site Save the output to a filesystem somewhere - Then apache needs write access somewhere which might be a pain Somehow setup apache to do the caching for me - Is this possible?

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• How can I get an Active Directory data code from System.DirectoryServices[.Protocols]?

  - by Alex Waddell

  When using .Protocols, I can run the following pseudocode to authenticate to an AD: try { LdapConnection c = new LdapConnection("User", "Password"); c.Bind(); } catch (LdapException le) { Debug.WriteLine(le.ResultCode); } This code will allow me to get the "Invalid Credentials" error string, and the AD code "49", but I need to get the additional data errors similar to an LDAP Java client : [LDAP: error code 49 - 80090308: LdapErr: DSID-0C09030F, comment: AcceptSecurityContext error, data **525**, vece ] 525 – user not found 52e – invalid credentials (bad password) 530 – logon time restriction 532 – password expired 533 – account disabled 701 – account expired 773 – user must reset password

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• vim regex for replacing spaces within quotes

  - by vikram-bhat

  I have text in the follwing format: ERR_OUT_OF_MEM, "ERR OUT OF MEM" ERR_SOMETHING_BAD, "ERR SOMETHING BAD" I want to replace all spaces in the text which are within quotes with underscores: ERR_OUT_OF_MEM, "ERR_OUT_OF_MEM" ERR_SOMETHING_BAD, "ERR_SOMETHING_BAD" The best regex I could come up with is: \("\w\+\)\@<= (there's a space at the end of that) but this only finds the first space in each quoted string, and I would need to repeat this multiple times to get the desired effect. Any way to do it in one shot? Thanks!

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• Simple Ruby Command Line Question

  - by aronchick

  Um - I feel like an idiot, but.... ruby -e '3+5' Outputs nothing (Windows 7, Ruby 1.8.7, Cygwin or Git Bash). What am I missing? Extra credit - will this also allow the extra cool bundle (stolen from TextMate) Execute and Update # = markers to work properly? EDIT Ok that worked, and I'll accept the answer, but e-texteditor still doesn't work with that really cool bundle. Too bad.

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• how to tell in code if we are running from a testmethod .net test

  - by fearofawhackplanet

  Is there a way to know when code is being called from running a test method? bool MyMethod() { if ( /* are we running a test? */ ) { return true; // otherwise this will fail from the automated build script } else { // run the proper code } } and please spare me the "this is a really bad idea" comments :)

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