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How can I install a local gem?
...ntain? — Wait – I see. You mean an gem-name.gem file. Remember that on unix it's pretty normal to have file starting with a '.' so it's better to spell it out.
– Martin
Mar 22 at 8:15
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Command to get time in milliseconds
... 1970-01-01 00:00:00 UTC
Source: Server Fault's How do I get the current Unix time in milliseconds in Bash?.
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DateTime to javascript date
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JavaScript Date constructor accepts number of milliseconds since Unix epoch (1 January 1970 00:00:00 UTC). Here’s C# extension method that converts .Net DateTime object to JavaScript date:
public static class DateTimeJavaScript
{
private static readonly long DatetimeMinTimeTicks =
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How to run a Python script in the background even after I logout SSH?
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You could also use GNU screen which just about every Linux/Unix system should have.
If you are on Ubuntu/Debian, its enhanced variant byobu is rather nice too.
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Exclude .svn directories from grep [duplicate]
...t should work like this:
grep --exclude-dir=".svn"
If happen to be on a Unix System without GNU Grep, try the following:
grep -R "whatever you like" *|grep -v "\.svn/*"
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Format Instant to String
...'t contain Zone information, it only stores timestamp in milliseconds from UNIX epoch, i.e. 1 Jan 1070 from UTC.
So, formatter can't print a date because date always printed for concrete time zone.
You should set time zone to formatter and all will be fine, like this :
Instant instant = Instant.ofE...
Is there a /dev/null on Windows?
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For people looking for Unix "special" files under Windows: here are /dev/random and /dev/zero device drivers for Win32.
– ulidtko
Dec 19 '14 at 11:06
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Remove duplicate lines without sorting [duplicate]
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The UNIX Bash Scripting blog suggests:
awk '!x[$0]++'
This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, t...
Convert JS date time to MySQL datetime
...time = new Date((new Date(starttime)).toISOString() );
// getTime() is the unix time value, in milliseconds.
// getTimezoneOffset() is UTC time and local time in minutes.
// 60000 = 60*1000 converts getTimezoneOffset() from minutes to milliseconds.
var fixedtime = new Date(isotime.getTime()-(startt...
How to assign name for a screen? [closed]
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