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• how to check if ANY directory exists without knowing a specific directory name, but rather just the

  - by steve

  In vb.net how do you check if a ANY directory exists inside a directory I would need to know if there is a folder inside the c:\windows directory (WITHOUT knowing if there is ANY directory is in there).

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• Can I cache a ManyToOne hibernate object without it being lazy loaded?

  - by Andrew

  @ManyToOne @JoinColumn(name = "play_template_id", table = "team_play_mapping" ) public Play getPlay() { return play; } public void setPlay( Play play ) { this.play = play; } By default, this is eager loading. Can I get it so that it will read the play object from a cache without making it lazy loading? Am I correct that eager loading will force it to do a join query and hence no caching?

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• Can I write a test without any assert in it ?

  - by stratwine

  Hi, I'd like to know if it is "ok" to write a test without any "assert" in it. So the test would fail only when an exception / error has occured. Eg: like a test which has a simple select query, to ensure that the database configuration is right. So when I change some db-configuration, I re-run this test and check if the configuration is right. ? Thanks!

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• Is there a way to test a program's hardware requirements without just using it on a bunch of differe

  - by Matt

  Is there a program out there or some other thing that will run some kind of virtualization for me or something, to test the hardware minimums for a program I write? Something I can do locally without install testing on, say, a 33 mhz 64kb ram IBM or something

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• How do I save data without using sessions for postback in MVC?

  - by user54197

  I have 2 texboxes and 1 needs validation. I have this setup with Html.ValidationSummary display. I would like to keep the data that has been entered on the validation postback. Instead the page is refreshed and the data is lost which makes the user enter the data again. How do I prevent that without using sessions?

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• How would I rspec/test an updated_at field without using sleep() in ruby?

  - by Kamilski81

  How do i write my spec without using the sleep(1.second) method? When I remove the sleep then my tests break because they are returning the same time stamp? I have the following class method: def skip qs = find_or_create_by(user_id: user_id) qs.set_updated_at qs.n_skip += 1 qs.save! end and following spec: qs = skip(user.id) sleep(1.second) qs2 = skip(user.id) qs.should_not be_nil qs2.should_not be_nil (qs.updated_at < qs2.updated_at).should be_true

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• Silent the stdout of a function in python without trashing sys.stdout and restoring each function ca

  - by Tim McJilton

  Is there a way in python without wrapping a function call like following? from sys import stdout from copy import copy tempstdout = copy(stdout) stdout = file("trash",w) foo() stdout = tempstdout That way works but appears to be terribly inefficient. There has to be a better way... I would appreciate any insight I can get into this.

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• Get the File name without file extension in VIM function.

  - by tr-sugumar

  I want to get the fine name without the file extension in VIM. I wrote the following functions in my .vimrc file for compile and run the Java program. :function! JAVA_RUN() :!javac %^M :endfunction map <F3> :execute JAVA_RUN()<CR> :source $HOME/.vimrc<CR> In side the function how can I get the file name with out the extension.

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• jquery-ui accordion: adding rows without destroying and recreating?

  - by kdt

  I have a jquery accordion which I want to add rows to. I can accomplish this by calling .accordion("destroy"), adding the needed ... bit and then calling .accordion() again, but this destroys the state and closes any dividers which are open. Is it possible to add rows to the accordion without destroy and recreating it?

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• How do you scale an image for print without degrading the quality?

  - by sharkb8

  I was wondering how would you print an image that's scaled three times its original size without making it look like crap? If you change the dpi to 300 and print it'll look like crap. Is there a way to convert it gracefully?

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• How to add/edit functionality in the same page without flickering?

  - by Veena

  My current asp.net(c#) project required add/edit functionality in the same page without flickering. To fill the textbox,fileuploader & dropdown list etc while updating the contents. I searched google,but fileuploader not working properly in the ajax update panel Please give examples/reference for solving the problem.

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• Can I use Visual Studio 2010 without breaking my 2008 apps?

  - by StevenW

  Hi all, Now Visual Studio 2010 is out can I use Visual Studio 2010 without breaking my 2008 apps? Can I still compile to .Net 2.0 etc? Thanks Steven

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• ASP.Net - How do I allow users to enter html tags in textbox without runtime errors?

  - by Coder

  I have an input textbox on an asp.net page and when a user inputs any tags like break tags or bold an error occurs. I currently am using the following to encode the input: Server.HtmlEncode(mytextbox.Text) However this only encodes characters when they aren't phrased as an html tag, like if the input is "<<<" is there a way for me to allow the user to put the tags in without it leading to a runtime error? Thanks.

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• How to print directly, without Print Dialog in WPF?

  - by RAJ K

  I just want to know how I can print a flow document without showing Print Dialog in WPF. Thanks for help...

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• How Array of our custom classes work with foreach without implemented IEnumerable ?

  - by Freshblood

  Hello everybody This long title already contain all my question so i just want to give example MyClass[] array How this array work with Foreach without implement IEnumerable interface's method ?

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• C++, is it possible to call a constructor directly, without new?

  - by osgx

  Hello Can I call constructor explicitly, without using new, if I already have a memory for object? // class Object1{char *str;public:Object1(char*str):str(str){puts("ctor");puts(str);};~Object1(){puts("dtor");puts(str);}}; Object1 ooo[2] = {Object1("I'm the first object"), Object1("I'm the 2nd")}; do_smth_useful(ooo); ooo[0].~Object1(); // call destructor ooo[0].Object1("I'm the 3rd object in place of first"); // ???? - reuse memory

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• How to display records below form on submission in php without the use of database?

  - by OM The Eternity

  I have a form with multiple fields in it along with a image input field, just below the form i have a list to be displayed on every submit of this form... this has to be done without the use of DB.. I think this can be achieved by using session but its not working with me, as evrytime page gets refreshed and session gets recreated/reset.. Please help me in resolving this issue

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• Way to know if two partitions are in one physical hard disk without WMI?

  - by Alon

  Hey. I have those partitions (in Windows) for example: Hard Disk 1 - Partition C, Partition D Hard Disk 2 - Partition E Is there any way in a program language to know if for example partition C and partition D are in one physical hard disk without WMI? I don't want to use WMI because it's slow - for this example, it took for me 0.5 seconds. I need it to be fast. Thank you.

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• How to initialize an array to something in C without a loop?

  - by Ram Bhat

  Hey guys.. Lets say I have an array like int arr[10][10]; Now i want to initialize all elements of this array to 0. How can I do this without loops or specifying each element? Please note that this question if for C

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• How to know without having iphone and ipad, any javascript/jquery effect/plugin will work on those?

  - by metal-gear-solid

  How to know without having iphone and ipad, any javascript/jquery effect/plugin which is working fine on all desktop browsers, will work on iphone and ipad also? Is it enough to check on Latest Safari for Windows? I don't have MAC OSX .My os is Windows.

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• Can a JPEG compressed image be rotated without a loss in quality?

  - by Mat

  JPEG is a lossy compression scheme, so decompression-manipulation-recompression normally reduces the image quality further for each step. Is it possible to rotate a JPEG image without incurring further loss? From what little I know of the JPEG algorithm, it naively seems possible to avoid further loss with a bit of effort. Which common image manipulation programs (e.g. GIMP, Paint Shop Pro, Windows Photo Gallery) and graphic libraries cause quality loss when performing a rotation and which don't?

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• is it possible to create object for interface without implementing this by any of the classes in jav

  - by Jothi

  Itest is an Interface. here i mentioned like new Itest(). Then is it means that i can create object for interface? public interface Itest { } static final Itest s = new Itest(){ }; It is just like, we could create object for interface without any class implement the interface.

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• How do I check if an email address is valid without sending anything to it?

  - by Charles

  I have a client with 5000 emails from an old list he has that he wants to promote his services to. He wants to know which emails on the list are still valid. I want to check them for him - without sending out 5K emails randomly and then being listed as a spammer or something. Ideas?

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• How Can I Delete The Contents Of All Tables In My Database In phpMyAdmin Without Dropping The Databa

  - by Joshua

  How Can I Empty The Contents Of All Tables In My Database In phpMyAdmin Without Dropping Any Of The Tables In The Database? Since I Do This Several Times An Hour While In Development, I'd Rather Not Individually Click "Empty" On All 60+ Tables Every Time. Thanks In Advance.

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• Is it possible to make cross browser website without having any IE conditional CSS?

  - by metal-gear-solid

  If i I'm not using any transparent png, not using :hover on other thank a:link, Is it possible to make cross browser layout without having any IE conditional CSS .and keep main css valid? What things we should consider?

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