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How to round a number to significant figures in Python
...return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)
0.02
>>> round_to_1(1234243)
1000000.0
>>> round_to_1(13)
10.0
>>> round_to_1(4)
4.0
>>> round_to_1(19)
20.0
You'll probably have to take care of turning float to integer if it's bi...
Append value to empty vector in R?
...vector[i] <- values[i] )
# user system elapsed
# 0.024 0.000 0.023
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Does Ruby regular expression have a not match operator like “!~” in Perl?
...' =~ /^abc/
=> 0
2.1.5 :022 > 'def1234' =~ /^abc/
=> nil
2.1.5 :023 > 'abc1234' =~ /^(?!abc)/
=> nil
2.1.5 :024 > 'def1234' =~ /^(?!abc)/
=> 0
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Multiple linear regression in Python
... -0.365 0.241
const 1.5704 0.633 2.481 0.023 0.245 2.895
==============================================================================
Omnibus: 6.904 Durbin-Watson: 1.905
Prob(Omnibus): 0.032 ...
Why is “copy and paste” of code dangerous? [closed]
...s the one I want to use as my source?"
"Hmmm, what do all these 'util_func_023' functions do? Didn't I document them? Which of them do I need now?"
"Oh, yeah, this code uses Code Base Y. Guess I need to [choose one: copy all of Code Base Y into my new project / spend a day extricating the one functi...
What is the difference between getFields and getDeclaredFields in Java reflection
...tween the getFields method and the getDeclaredFields method when using Java reflection.
4 Answers
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Function vs. Stored Procedure in SQL Server
...numbers of input parameters than stored procedures. UDFs can have up to 1,023 input parameters.
Temporary tables cannot be used in user-defined functions.
User-defined functions cannot execute Dynamic SQL.
User-defined functions do not support error handling. RAISEERROR OR @@ERROR are not allowed...
How do I configure emacs for editing HTML files that contain Javascript?
...ul first steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do not b...
Detecting an undefined object property
What's the best way of checking if an object property in JavaScript is undefined?
46 Answers
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Detecting a mobile browser
...ight <= 600 ) );
}
Reference:
Detecting Browser and Devices with javascript
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