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How to get hex color value rather than RGB value?
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If you realy want to be pedantic, you can make the regex more permissive: rgb.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i) However, the regex given is designed to cope with the format given by a browser when using jQuery, and this doesn't have the different white-space...
What are the use(s) for tags in Go?
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Excellent answer. Way more useful info in here than in the one with ten times this karma.
– Darth Egregious
Jul 1 '15 at 13:53
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How to select between brackets (or quotes or …) in Vim?
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Is null check needed before calling instanceof?
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This answer is more correct than try it because current behavior is not the same as guaranteed behavior.
– Luke
Jan 8 '13 at 19:08
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Is volatile expensive?
...rence it executes roughly the same throughput for reads/writes but also is more obvious that the field will be accessed and modified by multiple threads.
Edit to answer OP's edit:
Cache coherence is a bit of a complicated protocol, but in short: CPU's will share a common cache line that is attache...
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
...… . And now I am not sure the relationship holding,since I can not write more in the comment,so I post it here dpaste.de/J85m .Please have a check if possible.:)
– hguser
Mar 19 '11 at 13:30
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Python - Check If Word Is In A String
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C# HttpClient 4.5 multipart/form-data upload
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How to extract a floating number from a string [duplicate]
....findall("\d+\.\d+", "Current Level: 13.4 db.")
['13.4']
may suffice.
A more robust version would be:
>>> re.findall(r"[-+]?\d*\.\d+|\d+", "Current Level: -13.2 db or 14.2 or 3")
['-13.2', '14.2', '3']
If you want to validate user input, you could alternatively also check for a float ...
Fixed point vs Floating point number
... Also there is exponent biasing so that you can represent vastly more discrete values between 0 and 1 than you can between 1,000,000 and 1,000,001. And there are lots of complications with floating point operations which come up, like ensuring you don't report 0 as the difference between t...