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How to return a string value from a Bash function

... On a mac ($ bash --version GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin14) Copyright (C) 2007 Free Software Foundation, Inc.), it is correct that a matching global variable is initialized, but when I try to side-effect the same variable in another function f2, that side-effect is ...
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How do I discover memory usage of my application in Android?

... 947 34488K 28528K 10834K 9308K com.android.wallpaper 987 26964K 26956K 8751K 7308K com.google.process.gapps 954 24300K 24296K 6249K 4824K com.android.phone 948 23020K 23016K 5864K 4748K com.android.inputmethod.latin 888 25728K 25724K 5774K ...
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How to get JSON response from http.Get

...e/34s/88137413.png size:small] map[#text:http://userserve-ak.last.fm/serve/64s/88137413.png size:medium] map[#text:http://userserve-ak.last.fm/serve/126/88137413.png size:large] map[#text:http://userserve-ak.last.fm/serve/300x300/88137413.png size:extralarge]] @attr:map[rank:1] duration:369 mbid: st...
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How to make shallow git submodules?

...commendations when the users see failures. See commit 4f3e57e, commit 10c64a0 (02 Dec 2019) by Jonathan Tan (jhowtan). (Merged by Junio C Hamano -- gitster -- in commit 5dd1d59, 10 Dec 2019) submodule--helper: advise on fatal alternate error Signed-off-by: Jonathan Tan Acked-by: Jeff ...
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How to use WeakReference in Java and Android development?

... Trevor 57644 silver badges99 bronze badges answered Jul 14 '10 at 3:37 dbyrnedbyrne 48....
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Left Align Cells in UICollectionView

... 64 There are many great ideas included in the answers to this question. However, most of them have...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...on. In principle this clock wraps around, however it is storing ns using a 64-bit unsigned integer, so the wrapping around shouldn't be an issue in practice. Portability is questionable. I wrote a hybrid function based on this snippet that uses clock_gettime when compiled on Linux, or a Mach timer w...
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Is 'switch' faster than 'if'?

... To your question: 1.What would a basic jump table look like, in x86 or x64? Jump table is memory address that holds pointer to the labels in something like array structure. following example will help you understand how jump tables are laid out 00B14538 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 D8 0...
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Group vs role (Any real difference?)

...urse): http://www.lhotka.net/weblog/CommentView,guid,9efcafc7-68a2-4f8f-bc64-66174453adfd.aspx About a decade ago I saw some research on attribute-based and relationship-based access control which provide much better granularity than role-based access control. Unfortunately, I haven't seen much ac...
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Filter rows which contain a certain string

... 63.3 58 335 4.34 4.35 2.75 #> 4 0.3 Good J SI1 64 55 339 4.25 4.28 2.73 #> 5 0.22 Premium F SI1 60.4 61 342 3.88 3.84 2.33 #> 6 0.31 Ideal J SI2 62.2 54 344 4.35 4.37 2.71 The now superseded syntax for the same would ...