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Rotating and spacing axis labels in ggplot2
... answered Dec 20 '10 at 4:24
e3boe3bo
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Python: How to create a unique file name?
...98-442b-bd2e-9de010132dc4'
>>> uuid.uuid4().hex
'5ad02dfb08a04d889e3aa9545985e304' # <-- this one
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Android - styling seek bar
...t">#f4511e</item>
<item name="android:progressTint">#388e3c</item>
<item name="android:colorControlActivated">#c51162</item>
</style>
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improv...
Merge (with squash) all changes from another branch as a single commit
...s well take a look at evernote.com/shard/s52/sh/7f8f4ff1-9a68-413f-9225-c49e3ee2fafd/…
– Ilya Sheershoff
Aug 13 '19 at 13:20
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Formatting a float to 2 decimal places
...exponential with 2 digits after the decimal point, notice "e"
$"{1234.5678:E3}" "1.235E+003" standard exponential with 3 digits after the decimal point, notice "E"
$"{1234.5678:N2}" "1,234.57" standard numeric, notice the comma
$"{1234.5678:C2}" "$1,234.57" ...
What is the point of function pointers?
....
case e2: ....
case B:
switch (event):
case e3: ....
case e1: ....
you can make a 2d array of function pointers and just call handleEvent[state][event]
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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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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...
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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