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How to detect incoming calls, in an Android device?

...State = TelephonyManager.CALL_STATE_IDLE; private static Date callStartTime; private static boolean isIncoming; private static String savedNumber; //because the passed incoming is only valid in ringing @Override public void onReceive(Context context, Intent intent) { ...
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LINQ: Distinct values

...e hash code means that every previously returned element is examined every time. A more robust hash code would speed things up because it would only compare against elements in the same hash bucket. Zero is a reasonable default, but it might be worth supporting a second lambda for the hash code. ...
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Remove an entire column from a data.frame in R

...me, when the column names are known (as opposed to being determined at run-time), I like the subset() syntax. E.g. for the data-frame df <- data.frame(a=1:3, d=2:4, c=3:5, b=4:6) to remove just the a column you could do Data <- subset( Data, select = -a ) and to remove the b and d column...
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How can I add an empty directory to a Git repository?

...ve places you intend to put code, but no code, and you won't even take the time to echo "place for models" >> README, then what you have is an idea not a commit. It is not of interest to git. Saying "I want the running app to have XYZ empty directories" is a runtime problem, not a source prob...
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libxml/tree.h no such file or directory

...e/libxml2 in the header search paths, it will be translated at compilation time to the usr/include/libxml2 folder INSIDE the current SDK. – Laurent Etiemble Apr 16 '10 at 15:53 ...
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Conditionally use 32/64 bit reference when building in Visual Studio

...orks with your x86 and x64 dlls. Resolution of correct x86/x64-dlls at runtime Steps: Use AnyCPU in csproj Decide if you only reference the x86 or the x64 dlls in your csprojs. Adapt the UnitTests settings to the architecture settings you have chosen. It's important for debugging/running the tes...
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Wolfram's Rule 34 in XKCD [closed]

...pammers are using W's-34 in headers to redirect searches. As, spammers sometimes work for porn sites, the author created w-34 related porn by merely calling 34 on it. Holy recursion batman. share | ...
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Why does HTML think “chucknorris” is a color?

...olour. As the string starts off as 9 characters, we keep the second C this time around hence it ends up in the final colour value. I originally encountered this when someone pointed out you could do color="crap" and, well, it comes out brown. ...
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Update Row if it Exists Else Insert Logic with Entity Framework

... little loosey-goosey for matching but perfectly fine for seeding design time data. More importantly, if a match is found then the update will update all and null out any that weren’t in your AddOrUpdate. That said, I have a situation where I am pulling data from an external service and...
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How to convert OutputStream to InputStream?

...osed exception on the InputStream. Odd, but that's what happened half the time. Changing to the code above prevents that. – John Manko Sep 14 '15 at 21:12 ...