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What's the difference between Perl's backticks, system, and exec?

...t, and don't want to wait for it to return. system is really just sub my_system { die "could not fork\n" unless defined(my $pid = fork); return waitpid $pid, 0 if $pid; #parent waits for child exec @_; #replace child with new process } You may also want to read the waitpid and perli...
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recursion versus iteration

...iption of an algorithm in pseudocode: csl.mtu.edu/cs2321/www/newLectures/26_Depth_First_Search.html – jdelman Feb 21 '18 at 15:53 add a comment  |  ...
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What are the differences between Deferred, Promise and Future in JavaScript?

...es from [Functional Reactive Programming|haskell.org/haskellwiki/Functional_Reactive_Programming], which is a technique for flattening callbacks." – fncomp Feb 11 '13 at 5:32 2 ...
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Java 8 Streams: multiple filters vs. complex condition

... 8 CPU 1 GB RAM OS version: 16.04.1 LTS (Xenial Xerus) java version: 1.8.0_121 jvm: -XX:+UseG1GC -server -Xmx1024m -Xms1024m UPDATE: Java 11 has some progress on the performance, but the dynamics stay the same Benchmark mode: Throughput, ops/time ...
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Git status ignore line endings / identical files / windows & linux environment / dropbox / mled

...files are checked into the repository. ref: git-scm.com/docs/gitattributes#_code_text_code – Vince Nov 14 '18 at 2:27  |  show 4 more comments...
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How can I deploy/push only a subdirectory of my git repo to Heroku?

...uction also, every refresh of the engine wants to update your rails stack -_- only solution I've found is to use the engine as a /vendor symlink in development, and actually copy the files for production The solution The app in question has 4 projects in git root: api - depending on the profil...
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How do you check if a variable is an array in JavaScript? [duplicate]

...re https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray variable instanceof Array This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you're all about pretty code and not so much on performance. Note that check...
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Enabling WiFi on Android Emulator

... elsewhere.) In theory, linux (the kernel underlying android) has mac80211_hwsim driver, which simulates WiFi. It can be used to set up several WiFi devices (an acces point, and another WiFi device, and so on), which would make up a WiFi network. It's useful for testing WiFi programs under linux. ...
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How do I write a correct micro-benchmark in Java?

... Some paper from javaOne: azulsystems.com/events/javaone_2009/session/… – bestsss Jun 5 '11 at 12:29 95 ...
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How do I get an apk file from an Android device?

...... /Users/bbb/Android/android-sdk-mac_86/tools/adb pull Android2.2Froyo/sdcard/iTwips.apk /Users/bbb Thanks is advance....... – Finder Oct 27 '10 at 13:17 ...