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setImmediate vs. nextTick

Node.js version 0.10 was released today and introduced setImmediate . The API changes documentation suggests using it when doing recursive nextTick calls. ...
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Difference between return and exit in Bash functions

What is the difference between the return and exit statement in Bash functions with respect to exit codes? 10 Answers ...
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?: operator (the 'Elvis operator') in PHP

... It evaluates to the left operand if the left operand is truthy, and the right operand otherwise. In pseudocode, foo = bar ?: baz; roughly resolves to foo = bar ? bar : baz; or if (bar) { foo = bar; } else { foo = baz; } with the differe...
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git remove merge commit from history

...e the branches diverged> this will allow you to remove the merge commit and the log will be one single line as you wanted. You can also delete any commits that you do not want any more. The reason that your rebase wasn't working was that you weren't going back far enough. WARNING: You are rew...
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How do I change the default author and committer in the Eclipse Git plugin?

I am using the Git plugin for Eclipse. I have several authors and committers which are displayed when I start typing in those fields. ...
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What do the &,

... out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*, 5 Answe...
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difference between scope and namespace of ruby-on-rails 3 routing

I can't understand what the difference is between a namespace and a scope in the routing of ruby-on-rails 3. 5 Answers ...
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Differences between “java -cp” and “java -jar”?

...he difference between running a Java application with java -cp CLASSPATH and java -jar JAR_FILE_PATH ? Is one of them preferred to the other for running a Java application? I mean which one of these ways is more expensive for JVM (according to their machine resources usage)? ...
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Read a zipped file as a pandas DataFrame

I'm trying to unzip a csv file and pass it into pandas so I can work on the file. The code I have tried so far is: 5 Ans...
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Check play state of AVPlayer

...ItemDidPlayToEndTimeNotification object:<#A player item#>]; And to track playing you can: "track changes in the position of the playhead in an AVPlayer object" by using addPeriodicTimeObserverForInterval:queue:usingBlock: or addBoundaryTimeObserverForTimes:queue:usingBlock:. Exampl...