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How to edit incorrect commit message in Mercurial? [duplicate]
...lover disasters is to perform a simple change (add or remove spacing) and explain your mistake in the next commit message.
– Ryan
Aug 16 '11 at 0:33
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One-liner to recursively list directories in Ruby?
...astest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?
9 Answers
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Outputting data from unit test in python
...ttest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with more complex data, that can't easily be represented...
How to convert a scala.List to a java.util.List?
...cala.collection.mutable.ListBuffer
asList(ListBuffer(List(1,2,3): _*))
val x: java.util.List[Int] = ListBuffer(List(1,2,3): _*)
However, asList in that example is not necessary if the type expected is a Java List, as the conversion is implicit, as demonstrated by the last line.
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What's the difference between ES6 Map and WeakMap?
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From the very same page, section "Why Weak Map?":
The experienced JavaScript programmer will notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API methods. Such an implementation would have
two main inconv...
Java: function for arrays like PHP's join()?
...as a join function which will join arrays together to make a String.
For example:
StringUtils.join(new String[] {"Hello", "World", "!"}, ", ")
Generates the following String:
Hello, World, !
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Remove non-ascii character in string
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ASCII is in range of 0 to 127, so:
str.replace(/[^\x00-\x7F]/g, "");
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How can I pass command-line arguments to a Perl program?
...d supports only single-character switches and GetOpt::Long is much more flexible. From GetOpt::Long:
use Getopt::Long;
my $data = "file.dat";
my $length = 24;
my $verbose;
$result = GetOptions ("length=i" => \$length, # numeric
"file=s" => \$data, # string
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How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
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What is Angular.noop used for?
...ywhere even on Angular.org documentation but couldn't find any detailed explanation with implementation. It would be hugely helpful if any could explain it.
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