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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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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...9bb2d1d6434b8b29ae775ad8c2e48c5391
empty_blob sha256:473a0f4c3be8a93681a267e3b1e9a7dcda1185436fe141f7749120a303721813
empty_tree sha1:4b825dc642cb6eb9a060e54bf8d69288fbee4904
empty_tree sha256:6ef19b41225c5369f1c104d45d8d85efa9b057b53b14b4b9b939dd74decc5321
The SHA2 "6ef19b41225c5369f1c104d45d8d8...
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
...
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 ....