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Sort an array in Java
...o make a program that consists of an array of 10 integers which all has a random value, so far so good.
17 Answers
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Removing nan values from an array
...valently
x = x[~numpy.isnan(x)]
[Thanks to chbrown for the added shorthand]
Explanation
The inner function, numpy.isnan returns a boolean/logical array which has the value True everywhere that x is not-a-number. As we want the opposite, we use the logical-not operator, ~ to get an array with ...
Extract a dplyr tbl column as a vector
... a neat function to make pulling out a column a bit nicer (easier to type, and easier to read):
pull <- function(x,y) {x[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iri...
Entity Framework rollback and remove bad migration
I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
Not receiving Google OAuth refresh token
...Google. The Google API says that to get the access token, send the code and other parameters to token generating page, and the response will be a JSON Object like :
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How I can delete in VIM all text from current line to end of file?
...ay be better off reading the first few lines with head rather than editing and saving the file.
head hugefile > firstlines
(If you are on Windows you can use the Win32 port of head)
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Find and replace Android studio
Is there a way to find and replace all occurrences of a word in an entire project( not just a single class using refactor -> rename) and also maintain case, either in android studio or using a command line script?
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How to revert a “git rm -r .”?
...to your last commit. If you do have uncommitted changes, but the first command doesn't work, then save your uncommitted changes with git stash:
git stash
git reset --hard HEAD
git stash pop
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Assigning out/ref parameters in Moq
... @ATD partly yes. Declare a delegate with the out parameter and assign the value in the callback with the syntax from above
– royalTS
Jul 25 '19 at 7:06
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What is the difference between char array and char pointer in C?
I am trying to understand pointers in C but I am currently confused with the following:
8 Answers
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