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What is the significance of initializing direction arrays below with given values when developing ch
... index of the arrays will make from the central point, X, at 2,2.)
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.536.
.1X0.
.724.
.....
The way it is set up, if you do ^1 (^ being bitwise XOR) on the index you get the opposite direction - 0 and 1 are opposites, 2 and 3 are opposites and so on. (Another way to set it up is to go clockw...
Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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Build Maven Project Without Running Unit Tests
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457
If you want to skip running and compiling tests:
mvn -Dmaven.test.skip=true install
If you ...
Spring Boot - parent pom when you already have a parent pom
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edited Mar 7 '19 at 11:58
Michael
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answered Ja...
Creating a expressjs middleware that accepts parameters
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157
function HasRole(role) {
return function(req, res, next) {
if (role !== req.user.role) re...
Qt: How do I handle the event of the user pressing the 'X' (close) button?
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answered Jul 5 '13 at 6:53
asclepixasclepix
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@Column(s) not allowed on a @ManyToOne property
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answered Nov 8 '10 at 5:36
kraftankraftan
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Accessing last x characters of a string in Bash
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245
Last three characters of string:
${string: -3}
or
${string:(-3)}
(mind the space between :...
Linux bash: Multiple variable assignment
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Amazon S3 Change file download name
...names" as you want.
– fabi
Sep 30 '15 at 9:50
2
I needed to add quotes to the filename to get thi...