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How to remove the last character from a string?
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How to select the rows with maximum values in each group with dplyr? [duplicate]
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132
Try this:
result <- df %>%
group_by(A, B) %>%
filter(value...
How to sort an array of objects by multiple fields?
...n(a, b) {
if (a == b) return 0;
return a < b ? -1 : 1;
},
getCmpFunc = function(primer, reverse) {
var dfc = default_cmp, // closer in scope
cmp = default_cmp;
if (primer) {
cmp = function(a, b) {
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Rails 3 execute custom sql query without a model
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168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.ex...
Why is '+' not understood by Python sets?
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102
Python sets don't have an implementation for the + operator.
You can use | for set union and ...
How to change file encoding in NetBeans?
I want to change encoding of file in NetBeans IDE (ver 6.9.1), let's say from ANSII to UTF-8. How can I do that?
8 Answers
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In git, is there a way to show untracked stashed files without applying the stash?
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125
Untracked files are stored in the third parent of a stash commit. (This isn't actually documen...
Python 3 turn range to a list
I'm trying to make a list with numbers 1-1000 in it. Obviously this would be annoying to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
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