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How to generate a random number between a and b in Ruby?
...ction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].sample
Array#sample
Standard in Ruby 1.8.7+.
Note: was named #choice in 1.8.7 and renamed in later versions.
But anyway, generating array need resources, and solutio...
Removing duplicate objects with Underscore for Javascript
...5},{a:2},{a:3},{a:4},{a:3},{a:2}];
var uniqueList = _.uniq(list, function(item, key, a) {
return item.a;
});
// uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object {a=4}]
Notes:
Callback return value used for comparison
First comparison object with unique return value used...
Code coverage for Jest
... directory I found an index.html file that could be loaded into a browser. It included the information printed at the command line, plus additional information and some graphical output.
share
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How do you find the disk size of a Postgres / PostgreSQL table and its indexes
...relation_size('"' || table_schema || '"."' || table_name || '"') DESC;
Edit: Here's the query submitted by @phord, for convenience:
SELECT
table_name,
pg_size_pretty(table_size) AS table_size,
pg_size_pretty(indexes_size) AS indexes_size,
pg_size_pretty(total_size) AS total_size
F...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
...p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
...
ImportError: No module named six
I'm trying to build OpenERP project, done with dependencies. It's giving this error now
7 Answers
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What is the difference between async.waterfall and async.series
The nodejs async module: https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
...
Best practices for large solutions in Visual Studio (2008) [closed]
We have a solution with around 100+ projects, most of them C#. Naturally, it takes a long time to both open and build, so I am looking for best practices for such beasts. Along the lines of questions I am hoping to get answers to, are:
...
Set focus on textbox in WPF
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edited Feb 19 '14 at 20:18
answered Feb 19 '14 at 20:03
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Getting the folder name from a path
... the path actually exists. This approach, does however, rely on the path initially ending in a filename. If it's unknown whether the path ends in a filename or folder name - then it requires that you check the actual path to see if a file/folder exists at the location first. In that case, Dan Dimitr...