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How to iterate over associative arrays in Bash
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@pkaramol: Starting in Bash 4.3 you can use namerefs. Example: declare -A aa; aa['A']=a1; aa['B']=b2; aa['C']=c3; foo () { declare -n assoc=$1; for key in "${!assoc[@]}"; do echo "Key: $key; Value: ${assoc[$key]}"; done; }; foo aa. Plea...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
...ing the exercise, but there has to be a break in the line somewhere. Then, starting at one end of the line, get them to take turns doing "if the classmate on your left is taller than you, switch places; otherwise, stay put." The game ends when you go through the line and no one switches places. Get ...
Protected in Interfaces
...n a
private class, so they remain private.
An alternative available starting in Java 9 is to make classes and
methods public, but within a module that has a qualified-export to
specific "friend" modules instead of being exported to the general
public.
So the authoritative takeaways fr...
printf with std::string?
...illed by divs. As Dykstra wrote later about the goto, he didn't intend to start a religion and was really only arguing against using it as a kludge to make up for poorly-designed code.
It would be quite nice if the GNU project would add the printf family to their g++ extensions.
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How do I get the number of elements in a list?
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In Python, names that start with underscores are semantically non-public methods and should not be used by users.
– Aaron Hall♦
Oct 26 '16 at 15:10
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How can I get the intersection, union, and subset of arrays in Ruby?
...Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_accessor :set
def initialize(set)
@set = set
end
# intersection
def &(other)
@set & other.set
end
# difference
def -(other)
@set - other.set
end
# union
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What is the difference between --save and --save-dev?
...ge as their dependency. Packages that are only used to run scripts such as start/build will not be needed in that case, so they're put in dev-dependencies. If you're working on a web app and not on a package for use by others, you probably shouldn't worry about it at all.
– riv...
Why are there two build.gradle files in an Android Studio project?
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Thanks so much Gabriele, this will get me started.
– Sabuncu
Apr 23 '14 at 10:59
1
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What is the difference between JVM, JDK, JRE & OpenJDK?
...va Plug-in, which enables applets to run in popular browsers; and Java Web Start, which deploys standalone applications over a network. It is also the foundation for the technologies in the Java 2 Platform, Enterprise Edition (J2EE) for enterprise software development and deployment. The JRE does no...
Twitter Bootstrap 3 Sticky Footer
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@delavnog , here's a start if the main body isn't too high. It would take more work though for longer content: codepen.io/panchroma/pen/vLrXMq
– David Taiaroa
Jan 29 '16 at 21:40
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