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Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
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How to force Chrome's script debugger to reload javascript?
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I've had that set all along, and now all of a sudden, I'm stuck with a certain file. Anyone find a solution?
– IronicMuffin
May 14 '12 at 13:25
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How to get all properties values of a JavaScript Object (without knowing the keys)?
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If you're reading this answer and you might be possibly dealing with strings, you should definitely punch javascript in the face.
– user1228
Jan 28 '16 at 14:35
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How to SSH to a VirtualBox guest externally through a host? [closed]
... one interface already which is using NAT. Then go to the Network settings and click the Port Forwarding button. Add a new Rule. As the rule name, insert "ssh". As "Host port", insert 3022. As "Guest port", insert 22. Everything else of the rule can be left blank.
or from the command line
VBoxMan...
Parse v. TryParse
What is the difference between Parse() and TryParse()?
8 Answers
8
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How do I extract a sub-hash from a hash?
...:d=>:D}
h1 = Hash[h1.to_a - h2.to_a] # => {:a=>:A, :c=>:C}
And if you want to patch that into the Hash class:
class Hash
def extract_subhash(*extract)
h2 = self.select{|key, value| extract.include?(key) }
self.delete_if {|key, value| extract.include?(key) }
h2
end
en...
NameValueCollection vs Dictionary [duplicate]
...e .ToLookup(o => [key], o => [value(s)]) if you have duplicate keys, and it should (?) behave like a readonly dictionary.
– drzaus
Mar 10 '15 at 14:31
6
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How to kill a process on a port on ubuntu
I am trying to kill a process in the command line for a specific port in ubuntu.
27 Answers
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string to string array conversion in java
...ff on your assignment, String.split splits strings on a regular expression and this expression may be an empty string:
String[] ary = "abc".split("");
Yields the array:
(java.lang.String[]) [, a, b, c]
Getting rid of the empty 1st entry is left as an exercise for the reader :-)
Note: In Java 8, th...
How do you return from 'gf' in Vim
...windows installed in Unix mode. Thanks to this site I now use the gf command to go to a file under the cursor.
11 Answers...