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How to compare versions in Ruby?
...lass_eval {include Comparable} will make all arrays respond to <, >, etc. Or, if you just want to do this to certain arrays: a = [1, 2]; a.extend(Comparable)
– Wayne Conrad
Jan 12 '10 at 19:28
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How to list containers in Docker
... clean all unnecessary items like dangling containers, unused images, logs etc is by using docker system prune --all. You can find the docker documentation here
– Arun Thundyill Saseendran
Oct 19 '17 at 14:42
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CSS div element - how to show horizontal scroll bars only?
...ever you typically do in IE due to a bug. Check in other browsers (Firefox etc.) to find out whether it is in fact only IE that is doing it.
IE6-7 (amongst other browsers) supports the proposed CSS3 extension to set scrollbars independently, which you could use to suppress the vertical scrollbar:
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
...age loaded from another host. Moving the file to the same domain/protocol/etc. fixes it.
– mike clagg
Feb 4 '11 at 22:30
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How to run a Python script in the background even after I logout SSH?
...hat you can send signals to the process later. in some shells (bash, zsh, etc.) after you do somecommand & it will print the pid like [1] 12345. otherwise you can use $!.
– Tony Beta Lambda
Mar 28 '18 at 4:17
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How do I pause my shell script for a second before continuing?
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On Mac OSX, sleep does not take minutes/etc, only seconds. So for two minutes,
sleep 120
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
...in .metadata/, rm .lock file
if 1) doesn't work, try end process javaw.exe etc. to exit the IDE
if 1)&2) doesn't work, try rm .log file in .metadata/, and double check .plugin/.
This always worked for me: relocate .metadata/, open and close eclipse, then overwrite .metadata back
The solution ...
Get DateTime.Now with milliseconds precision
....Now though, to avoid time zone issues around daylight saving transitions, etc.
If your question is actually just around converting a DateTime to a string with millisecond precision, I'd suggest using:
string timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff",
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Mailto links do nothing in Chrome but work in Firefox?
...t will run thunderbird; if they have outlook installed it may run outlook, etc. Personally, it did not run gmail by default, I had to set it up that way.
– kennypu
Jul 14 '13 at 1:55
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'heroku' does not appear to be a git repository
... app, which might not always match the name of your app in git or locally, etc.
– Lee McAlilly
May 14 '19 at 22:05
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