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• What is the correct pattern for using a global mutex in WPF?

  - by Joel Barsotti

  So I've found this information http://stackoverflow.com/questions/229565/what-is-a-good-pattern-for-using-a-global-mutex-in-c/229567 But it's based on the main entry point of a standard app. How do you modify this to work for the WPF event model of starting the app?

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• Exemple where TYPE_ALIGNMENT() fails

  - by JustMaximumPower

  Hi, I have a question relating to alignment in c/c++. In http://stackoverflow.com/questions/364483/determining-the-alignment-of-c-c-structures-in-relation-to-its-members Michael Burr posted this Makro: #define TYPE_ALIGNMENT( t ) offsetof( struct { char x; t test; }, test ) in the comments someone wrote this might fail with non POD typs. Can someone give me an code example where this fails?

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• php-openID doesn't work with Yahoo!

  - by hd

  i am trying to use php-openid library for implementing openID in my site. the basic consumer example inside its package doesn't work for Google and Yahoo. i found the Google solution here: http://stackoverflow.com/questions/1183788/example-usage-of-ax-in-php-openid/2612816 but it doesn't still work for Yahoo! . how can i made it works?

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• How is an abstract class different from an Interface from a design point ?

  - by somaraj

  I have seen many answers in stackoverflow , but i didnt find an answere that is matching mine . Apart from all those difference , Does it makesense if we say An Abstract class abstracts the implementation of behaviour while an interface abstracts the type which implements the behaviour.

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• two independent dropdowns with xml binded data - cakephp - best method?

  - by gudinne

  What's best method within cakephp site for- two dropdowns one listing cds, one listing artists on select of either cd or artist I need my additional text to appear below dropdowns I have been searching through tutorials and manual - with no success. I am looking to learn by basic example - from form/view and controller. latest try was something along this example to get dropdown [http://stackoverflow.com/questions/1450457/cakephp-make-select-dropdown]

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• MVVM, Animations, Binding - I need a quick question answered.

  - by Peanut

  http://stackoverflow.com/questions/2455963/wpf-mvvm-dynamic-animation-using-storyboards There is a question i have found that relates directly to the issue I am having. The answer provided in that thread is a bit short, however. I did a little looking on google for 'attached properties' and i still remain a bit confused. Could someone shed a little light regarding this question? Perhaps provide a little sample code for the link stated above? Thanks in advance

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• Can one edit an InstallShield setup.exe's manifest file?

  - by DNS

  I'm running into the Windows Vista/7 Program Compatibility Assistant problem described here: http://stackoverflow.com/questions/1069135/this-program-might-not-have-installed-correctly-message-in-windows-7-rc The solution (backed-up by similar questions elsewhere, and MSDN), is apparently to add a 'compatibility' section to setup.exe's manifest. InstallShield 10 SP1 does this automatically, but unfortunately I only have InstallShield 2009. How would I go about editing the manifest? Is there a way to do this programmatically, so I can integrate it into my build?

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• Cumulative Normal Distribution function in objective C

  - by William Jockusch

  Anyone know of a good implementation of this whose license is compatible with non-free iPhone apps? As suggested in this question, Boost looks absolutely wonderful. But as best I can tell, it is only available in C++. http://stackoverflow.com/questions/2328258/cumulative-normal-distribution-function-in-c

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• Photoshop and Saving Quality

  - by ITg

  I'm making a simple image for the web which is a gradient with some text on in Photoshop CS4. The text doesn't seem to be of a great quality. If you look at the logo of stackoverflow you can see that its pretty accurate. Mine don't seem to render properly round the edges. Anyone know how to get the best quality? Photoshop CS4. Thanks.

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• Good computer science lecture series

  - by joemoe

  Since we have a thread on books.. what are your recommendations of publicly accessible video lecture series related to programming, computer science, or mathematics? Please post specific courses, not websites with courses. :) This is the video equivalent of this thread: http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books

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• Cant overload python socket.send

  - by ralu

  Code from socket import socket class PolySocket(socket): def __init__(self,*p): print "PolySocket init" socket.__init__(self,*p) def sendall(self,*p): print "PolySocket sendall" return socket.sendall(self,*p) def send(self,*p): print "PolySocket send" return socket.send(self,*p) def connect(self,*p): print "connecting..." socket.connect(self,*p) print "connected" HOST="stackoverflow.com" PORT=80 readbuffer="" s=PolySocket() s.connect((HOST, PORT)) s.send("a") s.sendall("a") Output: PolySocket init connecting... connected PolySocket sendall As we can see, send method is not overloaded.

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• Grails query not using GORM

  - by Tihom

  What is the best way to query for something without using GORM in grails? I have query that doesn't seem to fit in the GORM model, the query has a subquery and a computed field. I posted on stackoverflow already with no response so I decided to take a different approach. I want to query for something not using GORM within a grails application. Is there an easy way to get the connection and go through the result set?

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• Download file is blocked using WatiN even after modifying registry settings

  - by Mstechuser1

  I'm doing an IE automation using WatiN. When a file to be downloaded is clicked, I get the following in the Internet Explorer Information bar: To help protect your security, Internet Explorer has blocked this site from downloading files to you computer. I added a registry key to, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\ then a REG_DWORD value named "http" with value==2 as given in http://stackoverflow.com/questions/972345/programmatically-add-trusted-sites-to-internet-explorer but still facing same issues. Can some1 advice on this....

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• SEO Tips and Tricks for web developers

  - by Pandiya Chendur

  I know most of the Users of Stackoverflow would have knowledge about Search Engine Optimization(SEO).. Any tips and tricks about SEO for your fellow web developers ...

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• What are the valid URL characters that can be used in a query variable?

  - by DutrowLLC

  What are the valid characters that can be used in a URL query variable? I'm asking because I would like to create GUIDs of minimal string length by using the largest character set so long as they can be passed as a URL query variable (www.StackOverflow.com?query=guiddaf09834fasnv)

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• HTML footer problem

  - by Sir Psycho

  Hello Is it possible to create a footer div that sits at the bottom of a site regardless of how much information is present in the middle? Currently the div I have is positioned depending on how much content i have in the body. See also: http://stackoverflow.com/questions/42294/how-do-you-get-the-footer-to-stay-at-the-bottom-of-a-web-page

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• What is the pros and cons in using FormsAuthentication to persist login cookie?

  - by stacker

  What is the pros and cons in using FormsAuthentication to persist a login cookie? I see that StackOverflow ignore FormsAuthentication and instead implemented a different strategy to persist a login cookie. Pros Out of the box implementation for persistent login feature. Cons The login feature depends on the machine key which mean that I need to make sure that the machine key is the same on all the servers in the farm. The cookie contains wired encrypted values that don't really make sense to store in the cookie.

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• c# midiInGetDevCaps Midi Device Names

  - by user330403

  HI, Iv used the following code from this link. http://stackoverflow.com/questions/1991159/getting-signals-from-a-midi-port-in-c/2024835%232024835 Im wondering what i need to add to able to get a list of device names. Iv looked the MSDN website and found i need to implement midiInGetDevCaps and its a associated Struct. But iv never really done anything with dll imports and structs before so im a bit lost

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• excel automation edit existing chart

  - by user330737

  Hi Everyone, I need excel automation expert here. I have chart with x-axis contains label: Jan,Feb,Mar,Apr and y-axis contains label: 10,20,30,40. Chart type is Bar. Can anyone show me a csharp code how to change to Bar color to different color if the month is Mar? I hope you guy understand my question since I can't put the image on stackoverflow. thank you

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• Does white color has a fixed value(1 IMO) in an RGB image in MATLAB?

  - by user198729

  Or say does 1 denotes white for an RGB image? I have this question because of this answer: http://stackoverflow.com/questions/2619668/how-to-convert-a-grayscale-matrix-to-an-rgb-matrix-in-matlab/2619714#2619714 Can someone clarify it?

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• Checkbox issue with IE6

  - by kumar

  This is my new post regardence of prevoious post with update html code.. http://stackoverflow.com/questions/2994538/jquery-chebox-selection-not-working-in-ie-this-is-working-in-firefox This is my selectall button code..on clicking this i am selecting all checkboxes.. This code working in Firefox not in IE can anybody help me out why its doing like this? thanks

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• php: regex remove bracket in string

  - by apis17

  hi, similiar like this example, http://stackoverflow.com/questions/1336672/php-remove-brackets-contents-from-a-string i have no idea to replace $str = '(ABC)some text' into $str = 'ABC'; currently use $str = preg_replace('/(.)/','',$str); but not works. how to fix this?

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• Highlight all occurrences of a selected object with ReSharper

  - by Luís Custódio

  I was used to use RockScroll (or MetalScroll), but when I started to use ReSharper my RockScroll start to show some bugs. Well, this is scope to another discussion http://stackoverflow.com/questions/1089493/is-rockscroll-compatible-with-resharper. But my problem is related, because now without MetalScroll I can't highlight all occurrences, what I consider very useful in many situations. Someone have another plugin for VS2010 or for ReSharper that do the same or better?

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• How do I remove/delete/expire a cookie immediately?

  - by dsimard

  I want to remove a cookie I set. If I do this by giving it a expiration date sometime in the past it gets marked as "expires: at end of session". I've noticed that other sites manage to delete the cookie immediately somehow. For example when you logout here on stackoverflow the "user" cookie disappears right away. How?

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• How to automate the padding for arbitary images using MatLab?

  - by user198729

  This is a further question based on this answer: http://stackoverflow.com/questions/2589851/how-can-i-implement-this-visual-effect-in-matlab/2589957#2589957 The general solution should work for all background colors and length/width ratio.

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