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How to see log files in MySQL?
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kenorbkenorb
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How to create a directory using nerdtree
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answered May 22 '10 at 21:59
housetierhousetier
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How to call a JavaScript function from PHP?
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What are bitwise shift (bit-shift) operators and how do they work?
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List of Big-O for PHP functions
...s O(1) to give a more realistic big-O. For example the different between N=1000 and N=100000 is only about 50% slow down.
isset( $array[$index] ) O(n) but really close to O(1) - it uses the same lookup as array_key_exists. Since it's language construct, will cache the lookup if the key is hardcoded...
pandas resample documentation
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edited May 31 '19 at 10:05
answered Jun 8 '13 at 16:20
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how to create a Java Date object of midnight today and midnight tomorrow?
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– Stephan
Sep 27 '13 at 10:45
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How do you create a transparent demo screen for an Android app?
... define the color: 000000 is black.
The first 2 define the opacity: 00 is 100% transparent, ff is 100% opaque. So choose something in between.
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Reasons for using the set.seed function
...dy:
N <- 20; sd <- 2 # features of simulated data
est1 <- rep(NA,1000); est2 <- rep(NA,1000) # initialize the estimate stores
for (i in 1:1000) {
as.numeric(Sys.time())-> t; set.seed((t - floor(t)) * 1e8 -> seed) # set the seed to random seed
y <- rnorm(N, sd = sd) # genera...
Better techniques for trimming leading zeros in SQL Server?
...tr_col END
– Yuriy Rozhovetskiy
Apr 10 '13 at 14:04
Even with BIGINT, some types of string will still fail this conver...