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• Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?

  - by christophercamps

  I have some css menus on my site that expand with :hover (without js) This works in a semi-broken way on iDevices, for example a tap will activate the :hover rule and expand the menu, but then tapping elsewhere doesn't remove the :hover. Also if there is a link inside the element that is :hover'ed, you have to tap twice to activate the link (first tap triggers :hover, second tap triggers link). I've been able to make things work nicely on iphone by binding the touchstart event. The problem is that sometimes mobile safari still chooses to trigger the :hover rule from the css instead of my touchstart events! I know this is the problem because when I disable all the :hover rules manually in the css, mobile safari works great (but regular browsers obviously don't anymore). Is there a way to dynamically "cancel" :hover rules for certain elements when the user is on mobile safari? I'm using jQuery.

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• Is a successor for TeX/LaTeX in sight?

  - by Mnementh

  TeX/LaTeX is great, I use it in many ways. Some of it's advantages are: it uses text files, this way the input-files can be diffed and many tools exist to work with text it is very flexible it has a stable layout: if I change something at the start of the document, it doesn't affect other things at the end of the document it has many extensions to reach different goals (a successor would start without extensions, but would have a good extension-system) you can use standard build control tools to support complicated documents (thanks dmckee) you can encapsulate solutions and copy&paste them to new documents or send them to others to learn from (thanks dmckee) But on the other hand some little things are not so good: it is hard to learn at the beginning it is complicated to control position of images a few things are a little counter-intuitive sometimes you have to type too much (begin{itemize} ... \end{itemize}) So, does there exist a successor/alternative to LaTeX or at least is some hot candidate for an alternative in development. A real successor/good alternative would keep the advantages and fix the disadvantages, or at least some of them.

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• How to use forfiles (or similar) to delete files older than n days, but always leaving most recent n

  - by Aidan Whitehall

  (Using Windows 2000 and 2003 Server) We use forfiles.exe to delete backup .zip files older than n days, and it works great (command is a bit like below) forfiles -p"C:\Backup" -m"*.zip" -c"cmd /c if @ISDIR==FALSE del \"@PATH\@FILE\"" -d-5 If a .zip file fails to be created, I'd like to ensure that we don't end up with 0 .zip files in the backup after 5 days. Therefore, the command needs to be: "delete anything older than 5 days, but ALWAYS keep the most recent 5 files, EVEN if they themselves are older than 5 days" We can use forfiles.exe or another solution (although anything that is a slick one-liner is ALWAYS preferable to a script file). Thanks!

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• enterprise library configuration 4.0

  - by prince23

  hi, i am using enterprise libaray confiuration 4.0. and here i have set the file size as rollSizeKB="20" but once my file size reaches 9kb. a new file is created. what is te issue. why is it creating new file once it reaches 9KB. <add fileName="c:\Exception.log" footer="----------------------------------------" formatter="Text Formatter" header="----------------------------------------" rollFileExistsBehavior="Increment" rollInterval="None" rollSizeKB="20" timeStampPattern="yyyy-MM-dd" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.RollingFlatFileTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" traceOutputOptions="Timestamp" filter="All" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.RollingFlatFileTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="Exception Policy" /> any help would be great thank you

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• Apache or Nginx for php behind Varnish

  - by Macindy

  We are managing a heavy traffic php site (driven with vbulletin). To get less load I use the cache-proxy varnish. Works very well - with varnish the load was reduced by 50%. But now I am thinking about which webserver to use behind varnish. 90% requests getting to the webserver are php-requests. So is there a difference between apache/mpm-prefork with mod_php and nginx/php-fpm? Is apache perhaps better, because it doesn't have the tcp overhead? Thanks for reply - benchmarks would be great! macindy

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• Python Profiling in Eclipse

  - by Jordan L. Walbesser

  This questions is semi-based of this one here: http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script I thought that this would be a great idea to run on some of my programs. Although profiling from a batch file as explained in the aforementioned answer is possible, I think it would be even better to have this option in Eclipse. At the same time, making my entire program a function and profiling it would mean I have to alter the source code? How can I configure eclipse such that I have the ability to run the profile command on my existing programs? Any tips or suggestions are welcomed!

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• Python IDE built into Visual Studio 2008?

  - by Thomaschaaf

  Hi I develop in Visual Studio 2008 a lot and would like to find an addin like vsphp which enables intellisense and debugging in Visual Studio. Is IronStudio what I am looking for? As far as I understand IronStudio is a Plugin for .NET. If there is no Plugin for Visual Studio 2008 whats a great IDE for a python newbee who loves Visual Studio (hate netbeans and eclipse sorry just don't feel the love) Also if IronPython Studio is an IDE do I want the Isolated or Integrated Version? I don't seem to understand the name. I installed integrated and got this: http://dl.getdropbox.com/u/5910/Jing/2009-02-11_1750.png :( no console like here: http://www.codeplex.com/IronPythonStudio

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• Checkstyle for C#?

  - by PSU_Kardi

  I'm looking to find something along the lines of Checkstyle for Visual Studio. I've recently started a new gig doing .NET work and realized that coding standards here are a bit lacking. While I'm still a young guy and far from the most experienced developer I'm trying to lead by example and get things going in the right direction. I loved the ability to use Checkstyle with Eclipse and examine code before reviews so I'd like to do the same thing with Visual Studio. Anyone have any good suggestions? Another thing I'd be somewhat interested in is a plug-in for SVN that disallows check-in until the main coding standards are met. I do not want people checking in busted code that's going to wind up in a code review. Any suggestions at this point would be great.

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• How do you use pip, virtual_env and Frabric to handle deployement?

  - by e-satis

  What are your settings, your tricks, and above all, your workflow. These tools are great but they is still no best practices attached to their usage, so I don't know what is the most efficient way. Do you use pip bundles or always download? Do you set up Apache/Cherokee/MySQl by hand or do you have a script for than. Do you put everything in virtual_env and use --no-site-package? Do you use one virtual_env for several projects? What do you use Fabric for (which part of your deployment do you script)? Do you put your Fabric scripts in on the client or the server? How do you handle database and media file migration? Do you even need a build tool such as SCons? What are the steps of your deployment? How often do you perform each of them? etc.

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• deny iframe javascript to scroll parent window

  - by gucki

  I've a site with banner ads, loaded using iframes. The banner ads always scroll the parent window when the banner doesn't complety fit into the visible region. This is really annoying and I'd like to deny the javascript of the iframes to scroll the main window. Here is what I already tried: Move the iframe src code to another domain. Normally js from another domain should not be allowed to access the parent window, is it?! This doesn't work. Overwrite window.moveTo, window.scrollTo, window.scrollBy in parent with my own functions. This doesn't seem to work neither, as none of these functions seems to be called. :-( Any help would be really great :-)

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• I am deploying a Silverlight APPlication that calls a WCF Service

  - by Rico

  It Runs It Loads but when it calls the service I get An exception occurred during the operation, making the result invalid. Check InnerException for exception details. at System.ComponentModel.AsyncCompletedEventArgs.RaiseExceptionIfNecessary() at SalesSimplicityPO_SL.POSvc.GetPurchaseOrdersCompletedEventArgs.get_Result() at SalesSimplicityPO_SL.About.mySvc_GetPurchaseOrdersCompleted(Object sender, GetPurchaseOrdersCompletedEventArgs e) at SalesSimplicityPO_SL.POSvc.POSvcClient.OnGetPurchaseOrdersCompleted(Object state) What is the problem does anyone know? I load and call my web service like.. BasicHttpBinding binding = new BasicHttpBinding(); EndpointAddress address = new EndpointAddress(new Uri("http://localhost/POSystem/POSvc.svc")); POSvc.POSvcClient mySvc = new POSvc.POSvcClient(binding, address); mySvc.InsertPOCompleted += new EventHandler<SalesSimplicityPO_SL.POSvc.InsertPOCompletedEventArgs>(mySvc_InsertPOCompleted); mySvc.InsertPOAsync(InitialsTextBox.Text.ToString(), DescTextBox.Text.ToString(), ClientTextBox.Text.ToString()); Works great in debug.... What am i Doing to get this error?

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• jquery sortable problem with ie

  - by corroded

  i am using jquery to sort my lists and i have run into a dead end. First, I checked the jquery site if theirs work on ie7, thats great, it does. next, i checked mine without the styles(so there possibly wont be anything that's intercepting or affecting jquery stuff). but i still get this weird error in ie7 when you sort items in the inner list(i have nested lists) they overlap each other, destroying the layout. if you sort the contianer lists, they work fine! here's a jsfiddle of what i mean: http://jsfiddle.net/GDUpa/ note that if you drag demonstration one or two spots(in ie), it will overlap with the other links. BUT if you drag POC (it will select the whole thing including the links under it), it works fine! is something wrong with my markup?

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• AddThis Social SignIn and Django

  - by piokuc

  I am developing a Django website. I've been using django-registration for user registration so far but I would really like to allow users to login to my site using their Facebook, Twitter, Google, etc accounts. I am using addthis sharing buttons. I just noticed they introduced a social sign in solution. The idea seems great, you integrate your authentication system with their service once, and your users can login via all of the popular social networking sites. Has anybody integrated addthis social signin plugin with a django website? How can you use it along side django-registration? Are there any similar, alternative solutions?

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• Error in writting a class.

  - by Richard

  I am running through a tutorial online at http://www.sthurlow.com/python/lesson08/ and I believe I understand how classes work in python, at least to some degree but when I run this code: class Shape: def init(self,x,y): self.x = x self.y = y description = "This shape has not been described yet" author = "Nobody has claimed to make this shape yet" def area(self): return self.x * self.y def perimeter(self): return 2 * self.x + 2 * self.y def describe(self,text): self.description = text def authorName(self,text): self.author = text def scaleSize(self,scale): self.x = self.x * scale self.y = self.y * scale I get this error: Traceback (most recent call last): File "Y:/python/Shape.py", line 1, in -toplevel- class Shape: File "Y:/python/Shape.py", line 17, in Shape self.y = self.y * scale NameError: name 'self' is not defined Any Help would be great Thanks Richard

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• WCF configuration setting information at a glance

  - by Newbie

  Is there any site from where I can get the most of the information about WCF configuration settings e.g. keyEntropyMode,maxStatefulNegotiations,sessionKeyRolloverInterval, negotiationTimeout etc. I have started recently working in wcf but is facing many troubles in understanding the terms. There are to be honest huge. And whenever I get stuck, it takes a long time for me to solve it (searching and searching in google and after spending sometime hours I may get the solution). Henceforth, I think it is better to know if not all astleast some of the terms and their usage and what they means. It would be great help if anyone can point such a link. I searched in the net with " wcf configuration file elements" but with not much luck. Thanks

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• How do I load content with ujs, jquery and rails?

  - by Joseph Silvashy

  I'm trying to figure out the best way to insert content into a light box using rails UJS. I have a link that looks like this: <%= link_to "login", login_path, :remote => true %> Which produces html as such: <a data-remote="true" href="/login">login</a> So this all works great, and I've created the view file: user_sessions/new.js.erb which also loads just fine, but my question what is the preferred method of inserting appending the html into the page? Like I already have the login form on the non-js page, so can't I just load that partial into the page? Any ideas would be very welcomed.

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• How to deal with many to many relationships with NSFetchedResultsController?

  - by Phil Yates

  OK so I have two entities in my data model (let's say entityA and entityB), both of these entities have a to-many relationship to each other. I have setup a NSFetchedResultsController to fetch a bunch of entityA. Now I'm trying to have the section names for the tableview be the title of entityB. sectionNameKeyPath:@"entityB.title" Now this causes a problem, where by the section name returned from that relationship appears to be ({title1}) or ({title1,title2...titleN}) obviously depending on how many different entityB's are involved. This doesn't look great in a tableview and doesn't group the objects as I would like. What I would like is a section per entityB title with entityA appearing under each section, under multiple sections if necessary. I'm at a loss as how I am supposed to achieve this whether I need to update the predicate to get the entity to appear multiple times or whether I need to update the section and header functions to do some processing as the controller loops through the objects. Any help is appreciated :) Thanks

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• How to create a demo version of my software in visual studio during MSI

  - by sijith

  How to create a 30 days evaluation software. Is there any possiblility to do this with MSI creation. It would be great if MSI installer package provides such in built facility, by which, application expiries after fixed trial period. If we going for custome action to do this by writing code, how can i do this. How to Write installation time in some file in installed path or in registry or both. Please give some sample of how to capture time during installation.

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• Help with Event-Based Components

  - by Joel in Gö

  I have started to look at Event-Based Components (EBCs), a programming method currently being explored by Ralf Wesphal in Germany, in particular. This is a really interesting and promising way to architect a software solution, and gets close to the age-old idea of being able to stick software components together like Lego :) A good starting point is the Channel 9 video here, and there is a fair bit of discussion in German at the Google Group on EBCs. I am however looking for more concrete examples - while the ideas look great, I am finding it hard to translate them into real code for anything more than a trivial project. Does anyone know of any good code examples (in C# preferably), or any more good sites where EBCs are discussed?

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• Is there a way to log when a particular memory location gets written and by which function?

  - by rusbi

  I'm having a bug in my c++ program which happens very rarely but crashes my program. It's seems I have some buffer overflow problem or something similar. I find that these types of bug are most difficult to find. My program always crashes because of the same corrupted memory location. I'm wondering if there is some debugging tool which could detect when a particular memory location get written to and logs the function which does it. I'm using VLD (visual leak detector) for my memory leak hunting and it works great. It substitutes the original mallocs which its own and logs every allocation. I was wondering if there is something similar for memory? I know that something like that would cripple a program, but it could be really helpful.

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• What are the benefits of using WCF?

  - by sontek

  We currently just utilize soap webservices for all our communication but have been thinking about moving to WCF instead. What are the benefits of using it over an asmx service? If we do go with a WCF service, can other languages still communicate with it? SOAP is standardized and all languages can interact with it. Are there any really good examples of how to get started with WCF that show the benefits of it over soap? EDIT I just found this question which is quite helpful. The Getting Started Tutorial is great.

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• Firefox extension dev: observing preferences, avoid multiple notifications

  - by Michael

  Let's say my Firefox extension has multiple preferences, but some of them are grouped, like check interval, fail retry interval, destination url. Those are used in just single function. When I subscribe to preference service and add observer, the observe callback will be called for each changed preference, so if by chance user changed all of the settings in group, then I will have to do the same routine for the same subsystem as many times as I have items in that preferences group. It's a great redundancy! What I want is observe to be called just once for group of preferences. Say extensions.myextension.interval1 extensions.myextension.site extensions.myextension.retry so if one or all of those preferences are changed, I receive only 1 notification about it. In other words, no matter how many preferences changed in branch, I want the observe callback to called once.

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• Admin section in CakePHP

  - by Nicklas Ansman

  I'm having a hard time understanding how the CakePHP admin system works. Should all controllers who has an action which requires login include AuthComponent or just the one who handles the login/logout? Let's say I want to protect the add action of a controller. First I create admin_add() in the controller and then in the beforeFilter() method I check if $this->Session->check('Auth.User') is set a redirect based on this? Turns out it was better to just controll this with $this->Auth->allow() What is the easiest way to return to the URL the user was trying to access? Is there a better way than setting a session variable? Turns out it does this automagically :) If someone has a good tutorial for this I would happily read it :) I've already read this tutorial but I found it to be a little to basic and the CakePHP-docs are not that great on this topic either.

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• Quickbooks integration: IPP/IDS: can these by used for actual data exchange?

  - by Parand

  Poking around options for integrating an online app with Quickbooks, I've made a lot of headway with QBWC, but it's fairly ugly. From an end user perspective the usability of QBWC is pretty low. Intuit is now pushing Intuit Partner Platform (IPP) and Intuit Data Services (IDS). I can't quite figure out what these are about: Is IPP limited to using Flex, or can it work with existing web apps? Are there APIs for actual data exchange? Is it possible to interact with desktop Quickbooks using IPP or IDS? If there is sample code, particularly in Python, some pointers would be great.

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• UI Components for Windows Mobile Applications (.NET Compact Framework)

  - by splattne

  Applications which run on mobile devices have special user interface requirements. I think Apple did a great job introducing innovative controls on the iPhone/iPod touch platform. Now, I have to design an application for the Windows Mobile platform using the .NET Compact Framework (Visual Studio 2008). I wonder if there are some commercial or open source UI control sets available which are similar to the iPhone / iPod touch UI elements: Scrolling panels based on gestures Instead of a dropdownlist: a new panel with a large list of items Sliding panels etc. I couldn't find any useful products/code. Maybe there is somebody out there with more experience who could help.

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