大约有 1,100 项符合查询结果（耗时：0.0304秒） [XML]
How to round a number to significant figures in Python
...>> to_precision(599, 2)
'600'
>>> to_precision(1164, 2)
'1.2e3'
share
|
improve this answer
|
follow
|
...
iTerm2: How to expand split pane temporarily?
...an additional combobox on activation.
– ManuelSchneid3r
Mar 26 '19 at 16:56
add a comment
|
...
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 ....
set up device for development (???????????? no permissions)
...ATTRS{idVendor}=="12d1", MODE="0666"
SUBSYSTEM=="usb", ATTRS{idVendor}=="24e3", MODE="0666"
SUBSYSTEM=="usb", ATTRS{idVendor}=="2116", MODE="0666"
SUBSYSTEM=="usb", ATTRS{idVendor}=="0482", MODE="0666"
SUBSYSTEM=="usb", ATTRS{idVendor}=="17ef", MODE="0666"
SUBSYSTEM=="usb", ATTRS{idVendor}=="1004", ...
How to load a tsv file into a Pandas DataFrame?
....24.0. Use pandas.read_csv() instead.
– ManuelSchneid3r
Mar 31 '19 at 14:34
add a comment
|
...
Resize image proportionally with MaxHeight and MaxWidth constraints
...e with size lower then 100Kb
WriteableBitmap bitmap = new WriteableBitmap(140,140);
bitmap.SetSource(dlg.File.OpenRead());
image1.Source = bitmap;
Image img = new Image();
img.Source = bitmap;
WriteableBitmap i;
do
{
ScaleTransform st = new ScaleTransform();
st.ScaleX = 0.3;
st.ScaleY...
How to use Single TextWatcher for multiple EditTexts?
...ngedListener(watcher);
e2.addTextChangedListener(watcher);
e3.addTextChangedListener(watcher);
e4.addTextChangedListener(watcher);
share
|
improve this answer
|
...