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How to check if hex color is “too black”?
...09
if (luma < 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. V...
How do I create a unique constraint that also allows nulls?
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SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEW...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...bicking.org/illusive-setdefaultencoding.html
http://nedbatchelder.com/blog/200401/printing_unicode_from_python.html
http://www.diveintopython3.net/strings.html#one-ring-to-rule-them-all
http://boodebr.org/main/python/all-about-python-and-unicode
http://blog.notdot.net/2010/07/Getting-unicode-right-i...
How to check existence of user-define table type in SQL Server 2008?
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edited Mar 22 '10 at 20:03
answered Mar 22 '10 at 19:49
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Commands out of sync; you can't run this command now
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20 Answers
20
Active
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grep, but only certain file extensions
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edited Sep 21 at 20:19
andreagalle
16811 silver badge1212 bronze badges
answered Sep 20 '12 at ...
How to replace innerHTML of a div using jQuery?
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edited Aug 20 '09 at 23:58
answered Aug 20 '09 at 23:52
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“Ago” date/time functions in Ruby/Rails
...ce alias for from_now and many available methods
Time.current
#=> Tue, 20 Sep 2016 15:03:30 UTC +00:00
2.minutes.ago
#=> Tue, 20 Sep 2016 15:01:30 UTC +00:00
2.minutes.since
#=> Tue, 20 Sep 2016 15:05:30 UTC +00:00
1.month.ago
#=> Sat, 20 Aug 2016 15:03:30 UTC +00:00
1.year.since
#...
How to select a drop-down menu value with Selenium using Python?
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answered Nov 1 '11 at 20:05
alanningalanning
4,39222 gold badges2929 silver badges3131 bronze badges
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List of ANSI color escape sequences
...ct alternate font `n-10` ║
║ 20 ║ Fraktur ║ hardly ever supported ║
║ 21 ║ Bold off or Double Underline ║ Bold off not widely supported; double underline ...