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Pythonic way to find maximum value and its index in a list?
...ssuming that it's already an np.array(). I had to turn down the number of test runs because the test is looking at 10000000 elements not just 100.
import random
from datetime import datetime
import operator
import numpy as np
def explicit(l):
max_val = max(l)
max_idx = l.index(max_val)
...
Get environment variable value in Dockerfile
...VAR=${MYVAR}
EOF
... then in the Dockerfile
ADD build /build
RUN /build/test.sh
where test.sh loads MYVAR from env.sh
#!/bin/bash
. /build/env.sh
echo $MYVAR > /tmp/testfile
share
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improv...
How do I break out of nested loops in Java?
... can use break with a label for the outer loop. For example:
public class Test {
public static void main(String[] args) {
outerloop:
for (int i=0; i < 5; i++) {
for (int j=0; j < 5; j++) {
if (i * j > 6) {
System.out.print...
Using Case/Switch and GetType to determine the object [duplicate]
...ry is a fine solution in my opinion. If it's more than one or two types to test, I'd usually use that. Well, or just use polymorphism in the first place to avoid switching on types.
– OregonGhost
Apr 2 '09 at 9:12
...
Regex: match everything but specific pattern
...
This answer is wrong, a quick test shows that. I think what you meant is ^((?!foo).)*$ (stackoverflow.com/a/406408/3964381)
– gilad mayani
Jun 22 '17 at 12:28
...
Detect if Android device has Internet connection
...om").openConnection());
urlc.setRequestProperty("User-Agent", "Test");
urlc.setRequestProperty("Connection", "close");
urlc.setConnectTimeout(1500);
urlc.connect();
return (urlc.getResponseCode() == 200);
} catch (IOException e) {
...
How to reverse apply a stash?
...
This caused some odd problems for me. My unit tests failed with obscure messages saying it couldn't read ARM. I had to clean my build folder, derived data, and then restart my machine to get back to normal.
– ScottyBlades
Sep 1 at ...
:not(:empty) CSS selector is not working?
...d attribute in HTML markup. Then you can use :valid and :invalid in CSS to test for nonempty vs. empty value of the control. See stackoverflow.com/questions/16952526/…
– Jukka K. Korpela
Jun 6 '13 at 8:08
...
How to sort a list of objects based on an attribute of the objects?
...
A way that can be fastest, especially if your list has a lot of records, is to use operator.attrgetter("count"). However, this might run on an pre-operator version of Python, so it would be nice to have a fallback mechanism. You might want to do ...
How do you clone a Git repository into a specific folder?
...pt/projectA/prod/public /httpdocs/public
Which easily could be changed to test if you wanted it, i.e.:
ln -sfn /opt/projectA/test/public /httpdocs/public
without moving files around. Added -fn in case someone is copying these lines (-f is force, -n avoid some often unwanted interactions with alre...
