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Is it possible to have multiple statements in a python lambda expression?
...s a version of sort that creates a new list, rather than sorting in-place, and can be chained. Note that this is probably what you should be using - it's bad practice for your map to have side effects on the original list.
Q. How should I get the second lowest item from each list in a sequence of ...
Background color not showing in print preview
...all your print CSS from your screen CSS. This is done via the @media print and @media screen.
Often times just setting up some extra @media print CSS is not enough because you still have all your other CSS included when printing as well. In these cases you just need to be aware of CSS specificity a...
Extract a regular expression match
... wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1] "12"
...
Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
git: updates were rejected because the remote contains work that you do not have locally
...
git pull <remote> master:dev will fetch the remote/master branch and merge it into your local/dev branch.
git pull <remote> dev will fetch the remote/dev branch, and merge it into your current branch.
I think you said the conflicting commit is on remote/dev, so that is the branch y...
What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
9...
spring boot default H2 jdbc connection (and H2 console)
...ng-boot creates when I don't specify anything in my application.properties and start with mvn spring:run. I can see hibernate JPA creating the tables but if I try to access the h2 console at the URL below the database has no tables.
...
Is the practice of returning a C++ reference variable evil?
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In general, returning a reference is perfectly normal and happens all the time.
If you mean:
int& getInt() {
int i;
return i; // DON'T DO THIS.
}
That is all sorts of evil. The stack-allocated i will go away and you are referring to nothing. This is also evil:
...
How to compare arrays in JavaScript?
..... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work.
...
How do I write a for loop in bash
...
The bash for consists on a variable (the iterator) and a list of words where the iterator will, well, iterate.
So, if you have a limited list of words, just put them in the following syntax:
for w in word1 word2 word3
do
doSomething($w)
done
Probably you want to iterate...