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What is the “right” way to iterate through an array in Ruby?
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This will iterate through all the elements:
array = [1, 2, 3, 4, 5, 6]
array.each { |x| puts x }
Prints:
1
2
3
4
5
6
This will iterate through all the elements giving you the value and the index:
array = ["A", "B", "C"]
array.each_with_index {|val, index| puts "#{val} => #{i...
MySQL combine two columns into one column
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answered Mar 30 '14 at 3:20
Gordon LinoffGordon Linoff
1015k4747 gold badges433433 silver badges554554 bronze badges
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Unit Testing AngularJS directive with templateUrl
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answered Aug 21 '13 at 21:48
SleepyMurphSleepyMurph
2,07922 gold badges1010 silver badges88 bronze badges
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Git command to show which specific files are ignored by .gitignore
...re **/*
(or a find -exec command)
Note: https://stackoverflow.com/users/351947/Rafi B. suggests in the comments to avoid the (risky) globstar:
git check-ignore -v $(find . -type f -print)
Make sure to exclude the files from the .git/ subfolder though.
Original answer 42009)
git ls-files -i...
UI Design Pattern for Windows Forms (like MVVM for WPF)
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edited Jun 21 '16 at 13:05
Bharath theorare
43866 silver badges2626 bronze badges
answered Feb 27 '0...
How do I add more members to my ENUM-type column in MySQL?
...italy, 2=>germany), then extending will be (1=>italy, 2=>germany, 3=>sweenden).
– lintabá
Mar 21 '19 at 15:13
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Best branching strategy when doing continuous integration?
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zoul
93.8k4141 gold badges236236 silver badges338338 bronze badges
answered Mar 17 '09 at 23:26
pablopablo
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Select n random rows from SQL Server table
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398
select top 10 percent * from [yourtable] order by newid()
In response to the "pure trash" co...
How to deal with persistent storage (e.g. databases) in Docker
...r:
docker volume rm $(docker volume ls -f dangling=true -q)
# Or using 1.13.x
docker volume prune
Docker 1.8.x and below
The approach that seems to work best for production is to use a data only container.
The data only container is run on a barebones image and actually does nothing except expo...
Should I use Java's String.format() if performance is important?
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