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Convert array of strings into a string in Java
...For small arrays you might not really notice the difference, but for large ones it can be orders of magnitude slower.
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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 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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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 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 ...
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...
How can I check if a string represents an int, without using try/except?
...he strings that Python considers integers. I say just be pythonic on this one.
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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...