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How can I find the number of days between two Date objects in Ruby?
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irb(main):005:0> a = Date.parse("12/1/2010")
=> #<Date: 4911063/2,0,2299161>
irb(main):007:0> b = Date.parse("12/21/2010")
=> #<Date: 4911103/2,0,2299161>
irb(main):016:0> c = b.mjd - a.mjd
=> 20
This uses a Modified Julian Day Number.
From wikipedia:
Th...
`date` command on OS X doesn't have ISO 8601 `-I` option?
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edited Jan 2 '17 at 20:06
popedotninja
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answered Au...
python dataframe pandas drop column using int
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answered Nov 30 '13 at 15:06
Roman PekarRoman Pekar
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String.Empty versus “” [duplicate]
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answered May 25 '10 at 14:06
Michael Myers♦Michael Myers
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What is the “hasClass” function with plain JavaScript?
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1069
Simply use classList.contains():
if (document.body.classList.contains('thatClass')) {
// ...
Meaning of tilde in Linux bash (not home directory)
...r useless.
– cregox
May 11 '17 at 9:06
3
~+ is roughly the same as . However, to use something l...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
...cat www-error.log | grep mycode.php
And I have the output:
[04-Apr-2016 06:58:27] PHP Parse error: syntax error, unexpected ';' in /var/www/html/system/mycode.php on line 1458
This helps me find the line where I have the typo.
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How to remove all breakpoints in one step in Google Chrome?
...ours?
– Mark Amery
Nov 27 '13 at 18:06
1
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https connection using CURL from command line
...gle.com
* start date: 2016-01-07 11:34:33 GMT
* expire date: 2016-04-06 00:00:00 GMT
* issuer: C=US; O=Google Inc; CN=Google Internet Authority G2
* SSL certificate verify ok.
* Server GFE/2.0 is not blacklisted
* Connection #0 to host www.google.com left intact
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How do I center text horizontally and vertically in a TextView?
...dy centered.
– JoJo
Nov 17 '11 at 4:06
3
If I want to align TextView relative to another view, bu...