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• Difference between Thread.Sleep(0) and Thread.Yield()

  - by Xose Lluis

  As Java has had Sleep and Yield from long ago, I've found answers for that platform, but not for .Net .Net 4 includes the new Thread.Yield() static method. Previously the common way to hand over the CPU to other process was Thread.Sleep(0). Apart from Thread.Yield() returning a boolean, are there other performance, OS internals differences? For example, I'm not sure if Thread.Sleep(0) checks if other thread is ready to run before changing the current Thread to waiting state... if that's not the case, when no other threads are ready, Thread.Sleep(0) would seem rather worse that Thread.Yield().

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• How to Transform a user's search string into a MS SQL Full-Text Search Phrase

  - by Atomiton

  I've search for answers for this and I can't seem to find an answer to what should be somewhat simple. This is related to another question I asked, but it's different. What's the best way to take a user's search phrase and throw it into a CONTAINSTABLE(table, column, @phrase, topN ) phrase? Say, for example the user inputs: Books by "Dr. Seuss" What's the best way to turn that into something that will return results in my ContainsTAble() phrase? I was previously parsing the search phrase and writing something like ISABOUT("Books" WEIGHT(1.0), "by" WEIGHT(0.9), "Dr. Seuss" WEIGHT(0.8)) as my @phrase but ISABOUT seems to be returning odd results... especially when one word searches are entered. Any Ideas?

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• How to launch activity from android home screen widget

  - by Brian515

  Hi all, I am desperately trying to get my head wrapped around how to implement home screen widgets. Right now, I (finally) was able to get a button on my widget respond to a button press setting up an intent filter in the manifest. However, I cannot for the life of me figure out how to launch an activity when the button is pressed. Basically, here's the code i have: @Override public void onReceive(Context context, Intent intent) { super.onReceive(context, intent); if(intent.getAction().equals("com.bic.search.searchWidget.CLICK")) { Toast.makeText(context, "It works!!", Toast.LENGTH_SHORT).show(); } } What I really want to do, though, is start a new activity, not display a toast message. I know it has something to do with pending intents, but I can't figure out how to get that to work. Any help and sample code would be appreciated. Thanks a ton to whoever answers this!

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• WIX: How can I register a new ISAPI Extension or Script Map on an existing Web App or Site?

  - by Cheeso

  I've seen the WebApplicationExtension element, but because it must be a child of WebApplication, it appears to require the creation of a new WebApplication. I don't want that. I want to create the extension (or script map) on an existing website. On uninstall, the website should remain but the extension (script map entry) should be removed. Anyone know how to do this in WIX? If I get no good answers, I guess I will have to do it within script before InstallFinalize.

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• JQuery UI sortable is slow in IE8, but works good in IE7 and IE8 compatible mode

  - by artvolk

  JQuery UI sortable (including demos) are slow in all IE8 I can test, but runs smoothly in IE7 and IE8 compatible mode. The more complex is a markup on the page, the more IE8 is slowing down (that's I can understand, the DOM tree became more complex). I'm using JQuery 1.3.2 and JQuery UI 1.7.2 (tested with 1.7.3 -- the same story). I've found a lot of similar reports (for the new JQuery UI 1.8.x with JQuery 1.4 too), but no answers. May be there is a some solution (EXCEPT turning IE8 into IE7 compatibility mode by metatag or header). Thanks in advance!

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• Merge\Combine two datatables

  - by madlan

  I'm trying to merge\combine two datatables. I've looked at various examples and answers but they seem to create duplicate rows or require indexes (merge on datatable etc) I can't do this via SQL as one source is from a linked Oracle server accessed via MSSQL and the other from a different MSSQL Server that does not have linked access. The data is currently very simple: Name, Email, Phone DataTable1: "John Clark", "", "01522 55231" "Alex King", "[email protected]", "01522 55266" "Marcus Jones", "[email protected]", "01522 55461" DataTable2: "John Clark", "[email protected]", "01522 55231" "Alex King", "[email protected]", "" "Marcus Jones", "[email protected]", "01522 55461" "Warren bean", "[email protected]", "01522 522311" Giving a datatable with the following: "John Clark", "[email protected]", "01522 55231" "Alex King", "[email protected]", "01522 55266" "Marcus Jones", "[email protected]", "01522 55461" "Warren bean", "[email protected]", "01522 522311" Name is the field to match records on, with the first datatable taking priority.

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• IBM MQ corrupted messages

  - by Anand

  Hi I posted the question below in the forum and now I am asking another question in the hope that I get some pointers to my answers. my previous post Ok lets begin: Now the problem is like this: OS: Linux 1. I post messages to the IBM MQ 2. The some random messages in the queue get randomly corrupted as posted in the previous stackoverflow question OS: Windows 1. I post messages to the IBM MQ 2. The some random messages in the queue get randomly corrupted as posted in the previous stackoverflow question OS: Windows 1. I post messages to the IBM MQ 2. Now I read the messages and write them to a file just to observe them 3. Also I allow the messages to pass through as is after writing them to file Now everything goes through fine How can I resolve this problem

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• RegEx match open tags except XHTML self-contained tags

  - by Jeff

  I need to match all of these opening tags: <p> <a href="foo"> But not these: <br /> <hr class="foo" /> I came up with this and wanted to make sure I've got it right. I am only capturing the a-z. <([a-z]+) *[^/]*?> I believe it says: Find a less-than, then Find (and capture) a-z one or more times, then Find zero or more spaces, then Find any character zero or more times, greedy, except /, then Find a greater-than Do I have that right? And more importantly, what do you think? =) EDIT: Hmm, which answer to mark as correct? For the record, ALL the answers are appreciated. Many thanks!

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• PHP Include Windows XP Notepad++ Editor - Nav Include Not Working - Nav Disappears

  - by Lorianna Sprague

  I am creating a website, and have a tabbed horizontal menu. In order to cut back on the number of files I have to edit when I have to make changes to the menu I want to put the navigation in a separate file that I can call using a PHP include statement. When I do this, however, the nav disappears entirely from the page. The rest of the content remains, and there are no error messages. I have been looking for answers for this for weeks, and have tried every version of the PHP include statement that I could find. None of them worked. This was the last attempt. I have the file "nav.php" in a folder named "includes" in a main dir called "testsite" I use Windows XP, use NotePad++ as my text editor, and have been testing in Firefox. I can't find an answer anywhere - any help would be appreciated. Lorianna

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• (R) How can I get the complement of vector y in vector x

  - by gd047

  That's x \ y using mathematical notation. Suppose x <- c(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,2,1,1,1,3) y <- c(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1) How can I get a vector with ALL the values in x that are not in y. i.e the result should be: 2,1,1,3 There is a similar question here. However, none of the answers returns the result that I want.

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• Customizing Rails XML rendering to include extra properties

  - by Isaac Cambron

  Let's say I have a model like this: create_table :ninjas do |t| t.string name end And the Ninja class with an extra property: class Ninja < ActiveRecord::Base def honorific "#{name}san" end end And in my controller I just want to render it to XML: def show render :xml => Ninja.find(params[:id]) end The honorific part isn't rendered. That makes sense, since it's just a method, but is there a way of tricking it? I'm totally up for answers to the effect of, "You're doing this totally wrong." I'll just add that I really do want to calculate the honorific on the fly, and not, like, store it in the database or something.

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• What does "?ref=ts" mean in a FACEBOOK APP url

  - by jozecuervo

  When Facebook drives traffic to an app, they often append &ref=whatever to the query string. This is useful for figuring out which integration points are working or not. I've figured out what some of these mean. For example: ref=bookmarks - the user clicked on a bookmark. ref=game_my_recent - the user clicked on the upper portion of the games dashboard. Does anyone know what "ref=ts" means? It accounts for a ton of traffic. I've viewed source on pages all over common FB pages and cannot find a match for ant piece of content generated by any of my apps. Same question, posted by me on the FB DEV FORUM: http://forum.developers.facebook.com/viewtopic.php?id=54866 I'm thinking I'll get better answers here ;) Thanks people, Jose

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• How to configure a session timeout for Grails application?

  - by curd0

  In one of controllers in my Grails application I'm preserving a parameter value in a session variable like this: session.myVariable = params.myValue After that, I can access the saved value from different controllers/GSP-pages as long as I actively use the app. However, if I don't use my app for a while, even though my browser window is still open, the session variable looses it's value. Does this happens because the session expires? I was under impression that a session lives until the browser window is still open, but apparently I was wrong. What should I do to ensure all session variables I define in my Grails app don't expire until the browser is closed? Is there any way to set session timeout manually? Thank you in advance for your answers!

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• MVVM framework AND Prism 4?

  - by Karsten

  I just read this question. It has some nice answers, but they are over 1 year old, and a lot have changed in this space over the last year. Some of the most popular frameworks have come out in a new mayor release such as Prism and MVVM Light Toolkit. My question is somehow the same, but with one twist, I'm already using Prism 4.0 because of the region and module features. Prism 4.0 embraces MVVM, but I feel there are something which are "not lightweight", for instance interaction requests. So I'm thinking would it better to use another MVVM framework either as a substitute or a supplement for Prism 4.0?

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• Recursively CVS add files/directories and ignore existing CVS files.

  - by meder

  There's a similar post @ http://stackoverflow.com/questions/5071/how-to-add-cvs-directories-recursively However, trying out some of the answers such as: find . -type f -print0| xargs -0 cvs add Gave: cvs add: cannot open CVS/Entries for reading: No such file or directory cvs [add aborted]: no repository And find . \! -name 'CVS' -and \! -name 'Entries' -and \! -name 'Repository' -and \! -name 'Root' -print0| xargs -0 cvs add Gave: cvs add: cannot add special file `.'; skipping Does anyone have a more thorough solution to recursively adding new files to a CVS module? It would be great if I could alias it too in ~/.bashrc or something along those lines. And yes, I do know that it is a bit dated but I'm forced to work with it for a certain project otherwise I'd use git/hg.

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• OpenGL Wrapper in .Net

  - by Ngu Soon Hui

  This question is similar to the one here. But I feel that the answers recommended ( such as Tao and OpenTK) are not good enough because they are just a direct port from OpenGL, with no OOP design, and hard to use. What I'm looking for is a .Net OpenGL wrapper that is written in clear OOP principles, easy to use ( easy to apply textual and lighting, easy to debug etc), able to rotate the 3D diagram with mouse ( a feature that is critically missing from OpenGL and TAO), and the ability to export to other file formats ( such as dwg or dxf or Google Map file format). Any suggestion? Both Open source or commercial components would do.

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• Getting DataBinder Item's max value

  - by iTayb

  I'm working at the aspx page, and the following code is inserted in a Repeater control: <%# ((System.Collections.Generic.List<double>)DataBinder.Eval(Container.DataItem, "BookPrices")).Max() %> Brings up the following error: 'System.Collections.Generic.List<double>' does not contain a definition for 'Max' List does have an method of Max(), so I'm possibly messing up my code somehow. What is my problem? BookPrices is a list<double> object, which I'd like to print it's maximum value. P.S. You guys are great! I didn't find answers for many of my questions on the web. You really are life savers. Thank you very much! :)

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• suggestions for Membership in ASP.NET MVC application

  - by mare

  With this question I am mostly looking for answers from people that have implemented the out-of-the-box ASP.NET membership in their own database - I've set up the tables inside my database and as far as I can see they contain mostly what I need but not everything. I will have the notion of a Firm (Company) to which Users will belong so I will have to associate the aspnet_Users with my Firms table (each user will be a member of exactly one firm). If possible, provide some guidelines how did you do it and what I might run into if I have to modify the table design at some point in the future. Preferably I will be using the default Membership provider. I am having trouble to decide whether to go from scratch or use what ASP.NET already offers.

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• Python: Which encoding is used for processing sys.argv?

  - by EOL

  What encoding are the elements of sys.argv in, in Python? are they encoded with the sys.getdefaultencoding() encoding? sys.getdefaultencoding(): Return the name of the current default string encoding used by the Unicode implementation. PS: As pointed out in some of the answers, sys.stdin.encoding would indeed be a better guess. I would love to see a definitive answer to this question, though, with pointers to solid sources! PPS: As Wim pointed out, Python 3 solves this issue by putting str objects in sys.argv (if I understand correctly). The question remains open for Python 2.x, though. Under Unix, the LC_CTYPE environment variable seems to be the correct thing to check, no? What should be done with Windows (so that sys.argv elements are correctly interpreted whatever the console)?

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• Objective-C : BOOL vs bool

  - by santoni

  Hi, I'm new to objective-c and I saw the "new type" BOOL (YES, NO). I read that this type is almost like a char. For testing I did : NSLog(@"Size of BOOL %d", sizeof(BOOL)); NSLog(@"Size of bool %d", sizeof(bool)); Good to see both display 1 (sometimes in C++ bool just an int and sizeof is 4) So I was just wondering I there were some issues with the bool type or something ? Can I just use bool (that seems to work) without loosing speed? Thanks for answers

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• Mutating PDF editable fields programatically

  - by Chris

  Out of tons of questions and answers here about manipulating PDF's with PHP, but none of them seem to fit my requirement. Programmatically, I want to be able to update the content of editable fields. Preferably with PHP. If it matters, the PDF files will be initially hand crafted (as sort of 'template' files that will be copied and filled in over and over again). The list of PDF_* functions on php.net doesn't give me anything that looks (directly) promising. Is this possible with PHP? How?

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• Cost of using ASP.NET

  - by Mackristo

  One thing that I keep hearing in reference to ASP.NET and MSFT technologies is that they cost money to use. Often when they are being compared to open source languages someone will mention that one factor in favor of open source is that it's free (to an extent). My question is, when does ASP.NET actually cost money to use in terms of using the proprietary technology? Understandably there are the hosting fees, but I'm curious about the fees outside of these hosting fees. I'm especially curious about this as it relates one-person smaller-site development (non-team/large enterprise). Any help is appreciated. (edits) Some excellent answers. Much appreciated The projects that I'm looking to use the technologies for would be personal sites and very small business sites (1 or 2). The intent would of course be that these projects get much bigger. It seems that for commercial production, fees will apply. What about just basic dynamic "shared hosting" sites that provide information?

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• Haskell Lazy Evaluation and Reuse

  - by Jonathan Sternberg

  I know that if I were to compute a list of squares in Haskell, I could do this: squares = [ x ** 2 | x <- [1 ..] ] Then when I call squares like this: print $ take 4 squares And it would print out [1.0, 4.0, 9.0, 16.0]. This gets evaluated as [ 1 ** 2, 2 ** 2, 3 ** 2, 4 ** 2 ]. Now since Haskell is functional and the result would be the same each time, if I were to call squares again somewhere else, would it re-evaluate the answers it's already computed? If I were to re-use squares after I had already called the previous line, would it re-calculate the first 4 values? print $ take 5 squares Would it evaluate [1.0, 4.0, 9.0, 16.0, 5 ** 2]?

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• JQuery preventDefault() but still add the fragment path to the URL without navigating to the fragment

  - by jdln

  My question is similar to this one but none of the answers solve my problem: Use JQuery preventDefault(), but still add the path to the URL When a user clicks a fragment link, I need to remove the default behaviour of jumping to the fragment but still add the fragment to the URL. This code (taken from the link) will fire the animation, and then add the fragment to the URL. However the fragment is then navigated to, which im my case breaks my site. $("#login_link").click(function (e) { e.preventDefault(); $("#login").animate({ 'margin-top': 0 }, 600, 'linear', function(){ window.location.hash = $(this).attr('href'); }); });

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• Edit and Continue does not Work in VS 2010 / ASP.Net MVC 2

  - by Eric J.

  Although Enable Edit and Continue is checked on the Web tab of my ASP.Net MVC 2 project, I cannot in fact change the source code while running. For example, if I try to edit a controller while paused in the debugger, I cannot change the file (acts as if read only). I found a related post Edit and continue in ASP.NET web projects, however The answers seem to suggest I should be able to at least edit the code, then reload the page to see the result. I don't know what the distinction is between a Web Application and Web Site projects Any guidance is appreciated.

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