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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 ? 7 Answers ...
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Use space as a delimiter with cut command

I want to use space as a delimiter with the cut command. 8 Answers 8 ...
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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. 23 Answers 2...
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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 8 Answers ...
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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 7 Answers ...
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Does Swift have access modifiers?

In Objective-C instance data can be public , protected or private . For example: 17 Answers ...
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Programmer Puzzle: Encoding a chess board state throughout a game

Not strictly a question, more of a puzzle... 31 Answers 31 ...
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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...
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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...
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When is it appropriate to use UDP instead of TCP? [closed]

Since TCP guarantees packet delivery and thus can be considered "reliable", whereas UDP doesn't guarantee anything and packets can be lost. What would be the advantage of transmitting data using UDP in an application rather than over a TCP stream? In what kind of situations would UDP be the better c...