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How to format a number as percentage in R?
..., 0, 0.1, 0.555555, 1, 100)
percent(x)
(If you prefer, change the format from "f" to "g".)
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How to merge the current branch into another branch
... git merge $2 && git checkout -; }; f"
so that you can invoke it from any repository as
git merge-to master dev
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
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A note from the porting howto: "Do not bother with the outdated practice of using codecs.open() as that’s only necessary for keeping compatibility with Python 2.5." docs.python.org/3/howto/pyporting.html
– Al...
Gradle: How to Display Test Results in the Console in Real Time?
I would like to see test results ( system.out/err, log messages from components being tested ) as they run in the same console I run:
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Check if at least two out of three booleans are true
...e a&&b || b&&c || a&&c version wins then.
Results from Tofubeer with the latest code running OS X:
a&&b || b&&c || a&&c : 1358 ms
a ? b||c : b&&c : 1187 ms
a&b | b&c | c&a : 410 ms
a + b + c >= 2 : 602 ms
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Install NPM into home directory with distribution nodejs package (Ubuntu)
...kages into your projects already, but I still like to keep the system away from my operating system's files. Here's how I suggest compartmentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages:
$ NPM_PA...
How do I find the MySQL my.cnf location
... Run mysql --help and you will see Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf /usr/local/etc/my.cnf ~/.my.cnf
– Hanxue
Dec 16 '15 at 3:44
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Explain Python entry points?
...d I wanted it to make available a "cursive" command that someone could run from the command line, like:
$ cursive --help
usage: cursive ...
The way to do this is define a function, like maybe a "cursive_command" function in cursive/tools/cmd.py that looks like:
def cursive_command():
args = ...
Where and why do I have to put the “template” and “typename” keywords?
...constructor initializer list:
template <typename T>
struct derive_from_Has_type : /* typename */ SomeBase<T>::type
{ };
In using-declarations it's not possible to use template after the last ::, and the C++ committee said not to work on a solution.
template <typename T>
s...
What is the difference between 'typedef' and 'using' in C++11?
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They are equivalent, from the standard (emphasis mine) (7.1.3.2):
A typedef-name can also be introduced by an alias-declaration. The
identifier following the using keyword becomes a typedef-name and the
optional attribute-specifier-seq fo...