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Checking that a List is not empty in Hamcrest
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Simulate delayed and dropped packets on Linux
...on value as well.
# tc qdisc change dev eth0 root netem delay 100ms 10ms 25%
This causes the added delay to be 100 ± 10 ms with the next random element depending 25% on the last one. This isn't true statistical correlation, but an approximation.
Delay distribution
Typically, the d...
Speed up the loop operation in R
...d accumulates something. (simple operation). The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
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count the frequency that a value occurs in a dataframe column
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df
Out[41]:
a freq
0 a 2
1 b 3
2 s 2
3 s 2
4 b 3
5 a 2
6 b 3
[7 rows x 2 columns]
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How to ignore user's time zone and force Date() use specific time zone
In an JS app, I receive timestamp (eq. 1270544790922 ) from server (Ajax).
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Get querystring from URL using jQuery [duplicate]
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Regular expression for first and last name
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edited Feb 17 '14 at 9:57
John Smith
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answered Mar 5 '10 at 10:2...
Retain precision with double in Java
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153
As others have mentioned, you'll probably want to use the BigDecimal class, if you want to have...
Peak detection in a 2D array
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+500
I detected the peaks using a local maximum filter. Here is the result on your first dataset of 4 paws:
I also ran it on the second...
What's the difference between VARCHAR and CHAR?
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Anon.Anon.
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