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How to round a number to significant figures in Python
...>> to_precision(599, 2)
'600'
>>> to_precision(1164, 2)
'1.2e3'
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
... (arg4, _a4) asm ("r10") = __arg4; \
register TYPEFY (arg3, _a3) asm ("rdx") = __arg3; \
register TYPEFY (arg2, _a2) asm ("rsi") = __arg2; \
register TYPEFY (arg1, _a1) asm ("rdi") = __arg1; \
asm volatile ( \
"sysc...
Java 8 Streams: multiple filters vs. complex condition
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HolgerHolger
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Ways to iterate over a list in Java
...swered Apr 6 '14 at 17:01
eugene82eugene82
6,31722 gold badges1818 silver badges2828 bronze badges
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How to split a string and assign it to variables
... this back from err, unfortunately: too many colons in address 2001:0db8:85a3:0000:0000:8a2e:0370:7334 :(
– J.M. Janzen
Feb 25 '17 at 16:11
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Unicode equivalents for \w and \b in Java regular expressions?
...A])[[\p{Mn}\p{Me}\u200C\u200D\u0488\u0489\u20DD\u20DE\u20DF\u20E0\u20E2\u20E3\u20E4\uA670\uA671\uA672\uFF9E\uFF9F][\p{Mc}\u0E30\u0E32\u0E33\u0E45\u0EB0\u0EB2\u0EB3]]*)|(?s:.))
which in Java you’d write as:
String extended_grapheme_cluster = "(?:(?:\\u000D\\u000A)|(?:[\\u0E40\\u0E41\\u0E42\\u0E4...
Multiple levels of 'collection.defaultdict' in Python
...nswered Apr 8 '10 at 14:44
miles82miles82
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...ed(123)
x <- sample(1e5,1e5*26, replace = TRUE)
x[sample(seq_along(x), 1e3)] <- NA
df <- as.data.frame(matrix(x, ncol = 26))
library(microbenchmark)
microbenchmark(
na.omit = {df %>% na.omit},
filter.anonymous = {df %>% (function(x) filter(x, complete.cases(x)))},
rowSums = {df ...
what is the difference between 'transform' and 'fit_transform' in sklearn
... Traceback (most recent call last)
<ipython-input-13-e3b6b8ea2aff> in <module>()
----> 1 pc2.transform(X)
/usr/local/lib/python3.4/dist-packages/sklearn/decomposition/pca.py in transform(self, X, y)
714 # XXX remove scipy.sparse support here in 0.16
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...lled with NULLS and when I replaced them with a full hash (5621afeffbabed40e3f386676068c45643644b7d) read from somewhere like .git\refs\remotes\origin\master, git started working again I also needed stackoverflow.com/questions/1115854/… as this told me to delete .git/index and I needed to remove ....