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Unable to resolve host “”; No address associated with hostname [closed]
In my Android application for reading RSS links, I am getting this error:
17 Answers
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SSO with CAS or OAuth?
...entralizes authentication. Use it if you want all your (probably internal) applications to ask users to login to a single server (all applications are configured to point to a single CAS server).
OpenID decentralizes authentication. Use it if you want your application to accept users login to whate...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
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Custom HTTP headers : naming conventions
...standard, removing the "X-" prefix breaks backwards compatibility, forcing application protocols to support both names (E.g, x-gzip & gzip are now equivalent). So, the official recommendation is to just name them sensibly without the "X-" prefix.
Update 2: On June 2012, the deprecation of rec...
Android Studio Gradle Configuration with name 'default' not found
I am having problems compiling my app with Android Studio (0.1.5).
The app uses 2 libraries which I have included as follows:
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Where does the iPhone Simulator store its data?
I have a SQLite DB that I'm using to store app data, and I could do with taking a look inside it to debug a problem I'm having - but where does the iPhone Simulator store its data, typically?
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Microsoft Web API: How do you do a Server.MapPath?
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You can use HostingEnvironment.MapPath in any context where System.Web objects like HttpContext.Current are not available (e.g also from a static method).
var mappedPath = System.Web.Hosting.HostingEnvironment.MapPath("~/SomePath");
See also What is the ...
String concatenation in Ruby
... the usual way
With string interpolation
source = "#{ROOT_DIR}/#{project}/App.config"
with +
source = "#{ROOT_DIR}/" + project + "/App.config"
The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uniniti...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...tainer (like Apache Tomcat) starts up, it will deploy and load all its web applications. When a web application is loaded, the servlet container creates the ServletContext once and keeps it in the server's memory. The web app's web.xml and all of included web-fragment.xml files is parsed, and each &...
How to resize the iPhone/iPad Simulator?
...or using terminal commands
Close/Quit simulator. (if open)
Open Terminal app (using Spotlight search, Press ⌘ + SPACE to open spotlight search)
Copy following text and paste it next to terminal cursor.
defaults write ~/Library/Preferences/com.apple.iphonesimulator SimulatorWindowLastScale "0.3...