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How to create a hex dump of file containing only the hex characters without spaces in bash?
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xxd -p file
Or if you want it all on a single line:
xxd -p file | tr -d '\n'
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How to kill zombie process
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usually, you can find the parent in the PPid row if you cat /proc/<pid>/status
– Daniel Andrei Mincă
Sep 4 '18 at 11:22
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How big should a UIBarButtonItem image be?
...n "about 20x20" though. If you use an image of exactly 20x20px it will actually not map 1:1, and the button won't be square.
– Clafou
Jul 22 '12 at 22:24
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Understanding the ngRepeat 'track by' expression
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well, that's easy: just have a look at the code, it's all open source ;)
– nilsK
Mar 31 '14 at 13:22
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Doing a cleanup action just before Node.js exits
...rocess.on('exit') and in any other case(SIGINT or unhandled exception) to call process.exit()
process.stdin.resume();//so the program will not close instantly
function exitHandler(options, exitCode) {
if (options.cleanup) console.log('clean');
if (exitCode || exitCode === 0) console.log(ex...
How to get VM arguments from inside of Java application?
... -D), not VM parameters (those specified with -X). The question is specifically about -X params.
– cleberz
Jan 19 '17 at 17:06
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How to find out which JavaScript events fired?
... Sources> Event Listener Breakpoints (on the right).
You can also view all events that have already been attached by simply right clicking on the element and then browsing its properties (the panel on the right).
For example:
Right click on the upvote button to the left
Select inspect element
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What does a script-Tag with src AND content mean?
...he content is just an object literal (a value), executing it would not actually do anything except cause a silent error. Google's code looks at the contents of the script tag itself, and adjust its behaviour based on that.
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.bashrc at ssh login
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this should work on any sane distro with Bash, thus all these comments are obsolete :)
– user529649
Jul 2 '12 at 2:09
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Shell script to delete directories older than n days
..., you can replace the ; with + and it will do the equivalent of the xargs call for you, passing as many files as will fit on each exec system call:
find . -type d -ctime +10 -exec rm -rf {} +
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