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What is the difference between “def” and “val” to define a function
...uates on call and creates new function every time (new instance of Function1).
def even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = false
val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you can get new function on every call:
val test: () => Int =...
Print array elements on separate lines in Bash?
...arate argument, while "$*"
expands to the args merged into one argument: "$1c$2c..." (where c is
the first char of IFS).
You almost always want "$@". Same goes for "${arr[@]}".
Always quote them!
share
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Reset AutoIncrement in SQL Server after Delete
...d some records from a table in a SQL Server database. Now the ID's go from 101 to 1200. I want to delete the records again, but I want the ID's to go back to 102. Is there a way to do this in SQL Server?
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Forgot “git rebase --continue” and did “git commit”. How to fix?
... to see if that's an easier solution for you. https://stackoverflow.com/a/12163247/493106
I'd have to try it out, but I think this is what I would do:
Tag your latest commit (or just write down its SHA1 somewhere so you don't lose it): git tag temp
git rebase --abort
Do the rebase again. You'll h...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...
1 Answer
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Is there a good way to attach JavaScript objects to HTML elements?
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edited Dec 1 '09 at 23:14
answered Sep 9 '09 at 23:39
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Python nonlocal statement
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Compare this, without using nonlocal:
x = 0
def outer():
x = 1
def inner():
x = 2
print("inner:", x)
inner()
print("outer:", x)
outer()
print("global:", x)
# inner: 2
# outer: 1
# global: 0
To this, using nonlocal, where inner()'s x is now also outer()'...
Network usage top/htop on Linux
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edited Nov 9 '17 at 14:44
Kartikey Tanna
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answered De...
Left-pad printf with spaces
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128
If you want the word "Hello" to print in a column that's 40 characters wide, with spaces paddi...
What is the syntax for a default constructor for a generic class?
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143
You don't provide the type parameter in the constructor. This is how you should do it.
public...