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What is the difference between PS1 and PROMPT_COMMAND

...as a command to execute before the printing of each primary prompt ($PS1). I never used it, but I could have used this back when I only had sh. share | improve this answer | ...
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How to show line number when executing bash script

... 157 You mention that you're already using -x. The variable PS4 denotes the value is the prompt pr...
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How efficient can Meteor be while sharing a huge collection among many clients?

... 119 The short answer is that only new data gets sent down the wire. Here's how it works. There a...
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Is there a case insensitive jQuery :contains selector?

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How are echo and print different in PHP? [duplicate]

... From: http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40 Speed. There is a difference between the two, but speed-wise it should be irrelevant which one you use. echo is marginally faster since it doesn't set a ret...
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Look up all descendants of a class in Ruby

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Auto increment primary key in SQL Server Management Studio 2012

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How to activate JMX on my JVM for access with jconsole?

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In what order do static/instance initializer blocks in Java run?

... 61 The static initializer for a class gets run when the class is first accessed, either to create a...
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How can I import one Gradle script into another?

... 133 There is a new feature in 0.9. You can use apply from: 'other.gradle' command. Read my questi...