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Difference between DateTime and Time in Ruby
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Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is p...
How do I output text without a newline in PowerShell?
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edited Oct 9 '10 at 18:56
Jay Bazuzi
39.9k1212 gold badges101101 silver badges158158 bronze badges
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adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
How to format a Java string with leading zero?
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In case you have to do it without the help of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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impro...
How is a CRC32 checksum calculated?
...e polynomial for CRC32 is:
x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1
Wikipedia
CRC calculation
Or in hex and binary:
0x 01 04 C1 1D B7
1 0000 0100 1100 0001 0001 1101 1011 0111
The highest term (x32) is usually not explicitly written, so it can i...
Circle line-segment collision detection algorithm?
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206
Taking
E is the starting point of the ray,
L is the end point of the ray,
C is the cente...
Resolving MSB3247 - Found conflicts between different versions of the same dependent assembly
...he appropriate setting depending on your version:
Diagnostics when on VS2012, VS2013 or VS2015 (the message in these versions says you should use "Detailed", but this is plain wrong, you should use "Diagnostics")
Detailed when you're on VS2010
Normal will suffice in VS2008 or older.
Build the pro...
Group by multiple columns in dplyr, using string vector input
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data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %>%...
How to get the type of a variable in MATLAB?
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answered Feb 23 '09 at 17:36
Daniel LeCheminantDaniel LeCheminant
47.3k1515 gold badges115115 silver badges113113 bronze badges
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Have a fixed position div that needs to scroll if content overflows
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The problem with using height:100% is that it will be 100% of the page instead of 100% of the window (as you would probably expect it to be). This will cause the problem that you're seeing, because the non-fixed content is long enough to include the fixed ...