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How to generate a core dump in Linux on a segmentation fault?
...For more details, please check: Where do I find the core dump in Ubuntu?.
macOS
For macOS, see: How to generate core dumps in Mac OS X?
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What is the difference between instanceof and Class.isAssignableFrom(…)?
...wever, the actual performance is NOT determined by the bytecode but by the machine code (which is platform dependent). Let's do a micro benchmark for each of the operators.
The benchmark
Credit: As advised by @aleksandr-dubinsky, and thanks to @yura for providing the base code, here is a JMH bench...
How to count total lines changed by a specific author in a Git repository?
...s removed lines: %s total lines: %s\n", add, subs, loc }' -
Using Awk on Mac OSX:
git log --author="_Your_Name_Here_" --pretty=tformat: --numstat | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -
EDIT (2017...
Objective-C: Where to remove observer for NSNotification?
...d observers that may be deallocated.
https://developer.apple.com/library/mac/releasenotes/Foundation/RN-Foundation/index.html#10_11NotificationCenter
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
...e away the whole loop :-) ).
The result on my 2.6 GHz Powerbook (that's a mac :-) ) and JDK 1.5:
Test 1: charAt + String --> 3138msec
Test 2: String converted to array --> 9568msec
Test 3: StringBuilder charAt --> 3536msec
Test 4: CharacterIterator and String --> 12151msec
As the ...
svn : how to create a branch from certain revision of trunk
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-r works with svn, version 1.7.13 (r1516569) on Mac OS X via Homebrew.
– kakyo
Jan 30 '14 at 15:04
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Bamboo Vs. Hudson(a.k.a. Jenkins) vs Any other CI systems [closed]
...orm testing. If you try running a tiny build server for Windows, Linux and Mac (maybe even different versions of each) the price quickly jumps to thousands of dollars a year. A better approach would have been to charge for concurrent builds.
– Gili
Sep 16 '12 a...
Git interoperability with a Mercurial Repository
I use GIT on a Mac. Enough said. I have the tools, I have the experience. And I want to continue to use it. No wars here...
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Difference between HTML “overflow : auto” and “overflow : scroll”
...ows display scrollbars in different ways. You are probably using Safari on Mac right? OS X often hides the scrollbar until you actually scroll.
– Johan Davidsson
Mar 26 '13 at 10:50
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Any reason to clean up unused imports in Java, other than reducing clutter?
...e you can always use a shortcut (depends on OS - Win: Ctrl + SHIFT + O and Mac: COMMAND + SHIFT + O) to organize the imports. Eclipse then cleans up the import section removes all the stale imports etc. If you are needing a imported thing again eclipse will add them automatically while you are compl...