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What's the difference between deadlock and livelock?
Can somebody please explain with examples (of code) what is the difference between deadlock and livelock ?
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Use space as a delimiter with cut command
I want to use space as a delimiter with the cut command.
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Remove all occurrences of a value from a list?
In Python remove() will remove the first occurrence of value in a list.
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(Deep) copying an array using jQuery [duplicate]
I need to copy an (ordered, not associative) array of objects. I'm using jQuery. I initially tried
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How to validate an Email in PHP?
How can I validate the input value is a valid email address using php5. Now I am using this code
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Does Swift have access modifiers?
In Objective-C instance data can be public , protected or private . For example:
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Dependency injection through constructors or property setters?
I'm refactoring a class and adding a new dependency to it. The class is currently taking its existing dependencies in the constructor. So for consistency, I add the parameter to the constructor.
Of course, there are a few subclasses plus even more for unit tests, so now I am playing the game of go...
Programmer Puzzle: Encoding a chess board state throughout a game
Not strictly a question, more of a puzzle...
31 Answers
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When does System.gc() do something?
I know that garbage collection is automated in Java. But I understood that if you call System.gc() in your code that the 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 ...
INNER JOIN vs LEFT JOIN performance in SQL Server
I've created SQL command that uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got si...
