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Client-server synchronization pattern / algorithm?
...eral use cases.
Synchronize changes. Your change-log (or delta history) approach looks good for this. Clients send their deltas to the server; server consolidates and distributes the deltas to the clients. This is the typical case. Databases call this "transaction replication".
Client has lost...
Switching to landscape mode in Android Emulator
...earching the documentation and Google. I set the orientation of my Android app to landscape in the AndroidManifest.xml file:
...
Everyauth vs Passport.js?
...atic Node.js
everyauth makes extensive use of promises, instead of Node's approach of using callbacks and closures. Promises are an alternative approach to async programming. While useful in some high-level situations, I wasn't comfortable with an authentication library forcing this choice upon m...
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...
What is the real overhead of try/catch in C#?
... @Windows programmer Stats / source please?
– Kapé
Apr 10 '14 at 9:25
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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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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...