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• How do I call a method of the app delegate from a UIViewController?

  - by RexOnRoids

  Situation: I am using the "Navigation Based Application" project template. And my root view controller (UIViewController) needs to call a method of the app delegate. Question: How do I call a method of the app delegate from a UIViewController?

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• How to avoid crashing your web app during replacing a file?

  - by David

  Hi, Let's say you have a big web app with large visits, but you don't want your app to crash & you don't want people to see the php or mysql errors that happens during replacing files using FTP, How to avoid that? How to just execute the old version of file until the replacing is done? Thanks

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• How to provide hyperlink in email pointing to a specific method inside gwt app (but not main page)

  - by subh

  My GWT app has a search result with orderid column as hyperlink. On clicking, it opens up another tab which shows the details. I want to expose this particular functionality externally say in an email http://www.myapp.com/XYZApp.html?orderid=1234 so that user can directly go to the details page after login to the App. In JSP world, it was pretty straightforward. Is it possible in GWT given that the call to show up the details page is not in the main GWT module (XYZApp.html)

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• Can i openly speculate based on App rejection that the iPad has xxx MB of memory?

  - by GamingHorror

  If i were to calculate the iPad's amount of RAM based on just the one fact that my iPad App got rejected due to memory warnings twice, and me fixing it, would this violate the developer NDA? Obviously i know how much memory my App uses, how much the iPhone OS is likely to use and estimate the amount reserved for video memory, then i can deduct from that that the iPad has xxx MB of memory. I just wonder if i can say that number publicly without violating any NDA?

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• What kind of security issues will I have if I provide my web app write access?

  - by iama

  I would like to give my web application write access to a particular folder on my web server. My web app can create files on this folder and can write data to those files. However, the web app does not provide any interface to the users nor does it publicize the fact that it can create files or write to files. Am I susceptible to any security vulnerabilities? If so, what are they?

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• In an android app I would like to show a progress bar on a child tab until the webview loads. Any id

  - by brian

  Hi In an android app I am using a tabview for an app and one of the tabs shows a webview. But the page is blank until the web page loads. how would one show a progress bar until the page loads. It cannot be in the title bar because that is hidden by the tabhost

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• How to save a picture from a partial trust XBAP app?

  - by Yacoder

  I have an XBAP app, which shows some pictures, and my users would like to save some of them to disk. But my XBAP app runs in the partial trust mode, so it can't initiate SaveFileDialog, not to mention it can't access the File System. What's would be the Stack Overflow recommended way to save a pic to disk in this case?

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• C# why App.config is copied to my debug and release folder after build?

  - by 5YrsLaterDBA

  I am using Visual Studio 2008 professional, C#. I found the App.config file is copied into the bin\debug and bin\release folder. Is that by default? I thought the XXX.exe.config file will be the only configuration file for a project. Is it safe to release our applicaion without the App.config? if yes, how to ask VS2008 to stop copy that file after build? thanks

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• How to set session variables with app.get() in Ruby on Rails console?

  - by Vikrant Chaudhary

  How can I manually set session while calling app.get() in script/console? For example I want to access an authorised page, but it always redirects me to sign-in page. How can I set the session before calling app.get() so that I can make an authorised call to that page?

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• Any open-source thesaurus I can use in my iPhone app?

  - by lostInTransit

  Hi I am porting my Android app to the iPhone. It uses an integrated dictionary and thesaurus. While for the Android app, I use DictionaryForMIDs (with some modifications of my own), I could not find any such products for the iPhone. Anyone aware of any such products? Thanks.

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• How can I set where a Qt app finds a Qt lib?

  - by yan bellavance

  I would like to include libQtGui.so.4 libQtNetwork.so.4 and libQtCore.so.4 in the same directory as where my app resides. How would I make Qt understand this? y purpose is to have a standalone app that uses shared libraries

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• Using Ruby/Python code in an iPhone OS app?

  - by igul222

  My app needs to use a library which is only available for Python and Ruby. From my understanding, Apple allows Ruby to run on iPhone as long as users can't execute arbitrary code (Rhomobile uses Ruby). How can I bundle Ruby/Python with my app, call a function from my Obj-C code, and get the result (a string) back in C or Obj-C format?

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• Do I need to hide my Flurry API key in my open source app?

  - by Bryan Denny

  I have an open source Android app which I am planning on adding Flurry tracking to. Flurry creates a unique API key for your app's tracking. Do I need to try and hide this API key in my source code (i.e. not include it and I would add it every time I build for release) or just not worry about it?

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• android: how do i mark my app as debuggable?

  - by mtmurdock

  I want to debug my app from my phone. how do i sign my app so i can do this? i dont know much about the manifest.

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• Best version control for a one man web app?

  - by Rich Bradshaw

  I'm just learning how to do things, and want to start using some sort of version control for a web app. What's most appropriate for deploying a python or php web app on my own? I'm using linux and have a linux server. Thanks!

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• Is there any way of an app in Linux have access to 2 network cards?

  - by fpinheiro

  My app needs to access two network cards. One to receive data (eth0) and another to send data (3G modem). Normally, the kernel force the app to work with only one card at a time. Is there any thing that I can do to make it run? Thank you.

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• What's the best Mac custom disk image creation app?

  - by Lawrence Johnston

  I'm looking for a custom disk image creation app that I can integrate into the build process for my app (which means I need to be able to run it from the command line if possible). My desired features are that it will size the image for me, let me set the location of my icons when the image is opened, set a custom background/icon, etc. Free would be nice but if there's something that does exactly what I need I'll pay for it.

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• Single page Web App in Java framework or examples?

  - by Adam Gent

  Has anyone seen an example or done the following in Java: http://duganchen.ca/single-page-web-app-architecture-done-right/ That is a design a single page web app that will work with Google SEO with out massive violation of DRY using Java technologies? It doesn't seem terrible hard to do this on my own but I was curious (and lazy) to see if someone had already done it with either Spring or JAX-RS.

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• What is a better way to convert a simple sinatra app to static html pages?

  - by dimus

  A friend of mine asked to create a static website and I found that making such site using Sinatra is a pure joy. I just wrote all my routes like this: get '/index.html' do haml :index end get '/app.css' do sass :app end .... So I was able to use layouts, and haml and sass to put site together quickly. To create the static site I used wget -r -l2 http://localhost:4567 Which did work pretty well, but I imagine there is a better way to create a static site from a Sinatra code?

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• Is there a way to determine if an iPhone / iPad app is installed?

  - by Douglas Macy

  Looking for code that would run in a browser (Safari) to determine if a certain iphone app was installed on a users device (iphone, ipad or ipod touch). The end goal is dynamically display messaging on a site to instruct the user to go install the app.

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• Can I add a UIView as a start UIview before the navigation based app?

  - by irene-19891023

  Hi, I am a novice in iphone sdk. Now I have already built a Navigation based app. But, I want to add a start UIview with some buttons before the table view of the Navigation based app. How can I do? Could you please explain it in detail? Thanks a lot

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• Is there a standard way to display the play controls that the iPhone iPod app uses?

  - by alex

  I'm working on a music streaming app that needs play controls (skip, pause, play) just like the iPhone iPod app. I built my controls using a UIToolbar and the standard buttons. My UIToolbar controls look OK, but they're smaller than the ones that the iPod uses. Does anyone know if the iPod controls are custom graphics? Or maybe custom buttons in a UIToolbar (to get the gradient)?

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• How do I create a Thread Manager for an Android App ?

  - by MrBuBBLs

  Hi, I would like to know how to start and code a thread manager for my Android App. My app is going to fill a list with a network I/O and I have to manage threads for that. I never done this before and I don't know where to start. I heard about Thread Pool and other stuff, but I'm quite confused. Could someone please help me make my way through ? Thanks

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• Is it possible to include fonts in an app bundle and make them available in a UIWebView

  - by gargantaun

  I'm working on some HTML5 content to be included as part of an iPad app in a Web View. As I understand it, Mobile Safari only supports SVG fonts, but my testing has show Mobile Safari to really struggle with SVG and the performance hit is a serious issue. So... is it possible to put fonts in the App Bundle and somehow make them available to the webview?

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• Is entity frameworth worth moving to for a new small app?

  - by Greg

  Hi Is entity frameworth worth moving to for a new small app? About 10 tables and a WinForms app. ie the alternative being DataTables/DataRows or Linq-to-SQL

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