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Manifest merger failed : uses-sdk:minSdkVersion 14
Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message:
28 ...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...ot.
Android Development Tools (ADT) 9.0.0 (or later) has a feature that allows you to save state of the AVD (emulator), and you can start your emulator instantly. You have to enable this feature while creating a new AVD or you can just create it later by editing the AVD.
Also I have increased th...
What is the most efficient Java Collections library? [closed]
...ding a lot of functionality over the normal collections in the JDK.
Personally (and I'm biased) I love Guava (including the former Google Java Collections project). It makes various tasks (including collections) a lot easier, in a way which is at least reasonably efficient. Given that collection op...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...mand starting with a string it just evaluates the string, that is, it typically echos it to the screen, for example:
PS> "Hello World"
Hello World
If you want PowerShell to interpret the string as a command name then use the call operator (&) like so:
PS> & 'C:\Program Files\IIS\Mi...
What is the difference between currying and partial application?
...ints that other peoples examples of currying are not currying, but are actually just partial application.
14 Answers
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live output from subprocess command
... file descriptor (in POSIX at least). (Side note: PIPE and STDOUT are actually ints internally, but are "impossible" descriptors, -1 and -2.)
A stream—really, any object with a fileno method. Popen will find the descriptor for that stream, using stream.fileno(), and then proceed as for an int va...
Split list into multiple lists with fixed number of elements
...st[List[X]] =
if (xs.size <= n) xs :: Nil
else (xs.splitAt(n)._1) :: split(n,xs.splitAt(n)._2)
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Use CSS3 transitions with gradient backgrounds
...und-size: 100% 90px;
background-position: 0 -30px;
-webkit-transition: all 0.2s linear;
-moz-transition: all 0.2s linear;
-o-transition: all 0.2s linear;
transition: all 0.2s linear;
}
Hover state
.btn:hover {
background-position: 0 0;
}
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How to hide output of subprocess in Python 2.7
... use os.devnull if subprocess.DEVNULL is not available (<3.3), use check_call() instead of call() if you don't check its returned code, open files in binary mode for stdin/stdout/stderr, usage of os.system() should be discouraged, &> doesn't work for sh on Ubuntu an explicit >/dev/null ...
Virtual/pure virtual explained
... when a virtual function is overridden the most-derived version is used at all levels of the class hierarchy, rather than just the level at which it was created. Therefore if one method of the base class calls a virtual method, the version defined in the derived class will be used instead of the ver...