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Making the Android emulator run faster

...is a bit sluggish. For some devices, like the Motorola Droid and the Nexus One, the app runs faster in the actual device than the emulator. This is a problem when testing games and visual effects. ...
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How can I access my localhost from my Android device?

...USB doesn't provide network to mobile device. If both your desktop and phone are connected to the same WiFi (or any other local network), then use your desktop IP address assigned by the router (not localhost and not 127.0.0.1). To find out the IP address of your desktop: type into the comman...
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difference between throw and throw new Exception()

... "throw new Exception(ex); is even worse.": I disagree on this one. Sometimes you want to change the type of an exception, and then keeping the original exception as inner exception is the best you can do. Though it should be throw new MyCustomException(myMessage, ex); of course. ...
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How do you test functions and closures for equality?

...abstraction thunks that adjust the actual signature of a function to the one the function type expects. https://devforums.apple.com/message/1035180#1035180 This means that you should not even try to compare closures for equality because optimizations may affect the outcome. ...
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How to check if a string contains a substring in Bash

...l! You can only omit the double quotes in the first argument to [[. See ideone.com/ZSy1gZ – nyuszika7h Jun 11 '14 at 17:53 ...
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How do I activate C++ 11 in CMake?

...re to simply not work (not add any compiler flags). Make sure that you do one of the following things: Use cmake_minimum_required to require CMake 3.0 or later, or Set policy CMP0025 to NEW with the following code at the top of your CMakeLists.txt file before the project command: # Fix behavior ...
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How can I redirect the output of the “time” command?

...will take the arguments as a command. But parenthesis will group that as a one command. Ex: time ls > file1.txt In arguments, 0 = time 1 = "ls > file1.txt" – sganesh Mar 9 '10 at 12:49 ...
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Regex Match all characters between two strings

...s on your regex engine. The next thing is if you use .* or .*?. The first one is greedy and will match till the last "sentence" in your string, the second one is lazy and will match till the next "sentence" in your string. Update Regexr This is(?s)(.*)sentence Where the (?s) turns on the dotal...
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How to understand Locality Sensitive Hashing?

...d a question about the cosine. The presentation says that the bit value is one if the dot product between the actual vector and the plane vector >= 0 or else it is 0. What is the direction of the plane vector because angles between 90 degrees and 180 degrees also will give a cosine which is negat...
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How to get the Android device's primary e-mail address

...be // a primary email address if the user hasn't specified one. ContactsContract.Contacts.Data.IS_PRIMARY + " DESC"); } @Override public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) { List<String> emails = new ArrayL...