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Is there a Pattern Matching Utility like GREP in Windows?

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Java 8: performance of Streams vs Collections

... List<Double> result = new ArrayList<>(sourceList.size() / 2 + 1); for (Integer i : sourceList) { if (i % 2 == 0){ result.add(Math.sqrt(i)); } } return result; } @Benchmark public List<Double> stream()...
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Change the current directory from a Bash script

...adding this line: # . ~/bin/myprog.sh # function myprog() { A=$1 B=$2 echo "aaa ${A} bbb ${B} ccc" cd /proc } The reason is that each process has its own current directory, and when you execute a program from the shell it is run in a new process. The standard "cd", "pushd" and "popd" ar...
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How to match a String against string literals in Rust?

... => println!("0"), "b" => println!("1"), "c" => println!("2"), _ => println!("something else!"), } There's also an as_str method as of Rust 1.7.0: match stringthing.as_str() { "a" => println!("0"), "b" => println!("1"), "c" => println!("2"), _ =&gt...
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The way to check a HDFS directory's size?

... Prior to 0.20.203, and officially deprecated in 2.6.0: hadoop fs -dus [directory] Since 0.20.203 (dead link) 1.0.4 and still compatible through 2.6.0: hdfs dfs -du [-s] [-h] URI [URI …] You can also run hadoop fs -help for more ...
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What is the _references.js used for?

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How to configure Sublime Text 2/3 to use direct Ctrl+Tab order and to create new tabs after the last

... 203 To achieve the Ctrl+Tab and Ctrl+Shift+Tab behavior you can add the following lines to your su...
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Hidden features of HTML

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How do I check out a specific version of a submodule using 'git submodule'?

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How can I listen for a click-and-hold in jQuery?

... clearTimeout(timeoutId); }); Edit: correction per AndyE...thanks! Edit 2: using bind now for two events with same handler per gnarf share | improve this answer | follow ...