大约有 36,010 项符合查询结果（耗时：0.0391秒） [XML]
When does System.gc() do something?
...JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC when it sees System.gc() ?
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Remove an element from a Bash array
...eed to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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How can you run a command in bash over until success
...wing is my attempt at putting a command into a loop to achieve this but it doesn't work for some reason.
6 Answers
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Create PostgreSQL ROLE (user) if it doesn't exist
How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists?
10 Answ...
What command means “do nothing” in a conditional in Bash?
Sometimes when making conditionals, I need the code to do nothing, e.g., here, I want Bash to do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2":
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How to create has_and_belongs_to_many associations in Factory girl
...
Here is the solution that works for me.
FactoryGirl.define do
factory :company do
#company attributes
end
factory :user do
companies {[FactoryGirl.create(:company)]}
#user attributes
end
end
if you will need specific company you can use factory this way
compan...
How do you kill a Thread in Java?
How do you kill a java.lang.Thread in Java?
16 Answers
16
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Is it a bad practice to use an if-statement without curly braces? [closed]
...d always code for maintainability. After all, I'm pretty sure the compiler doesn't care which form you use. Your coworkers, however may be pist if you introduce a bug because of a silly curly brace error.
– Esteban Araya
Jan 24 '10 at 0:16
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If unit testing is so great, why aren't more companies doing it? [closed]
...oftware company that I worked at was all about the unit testing (NUnit). I don't know that we were real sticklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testing, but it's cha...
How do I attach events to dynamic HTML elements with jQuery? [duplicate]
...jquery.com/on/
So instead of...
$(".myclass").click( function() {
// do something
});
You can write...
$('body').on('click', 'a.myclass', function() {
// do something
});
This will work for all a tags with 'myclass' in the body, whether already present or dynamically added later.
The...