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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...add my solution as it may helpful for others in the future..
A common key error is: Permission denied (publickey). You can fix this by using keys:add to notify Heroku of your new key.
In short follow these steps: https://devcenter.heroku.com/articles/keys
First you have to create a key if you don...
How exactly does a generator comprehension work?
...t recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
>>> # We extract each item out individually. We'll do it manually first.
...
>>> next(filtered_gen)
5
>>> next(filtered_gen)
9
>>> next(filte...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...ue why. When I try to ssh into my server with user@hostname , I get the error:
14 Answers
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Select arrow style change
I'm trying to replace the arrow of a select with a picture of my own. I'm including the select in a div with the same size, I set the background of the select as transparent and I'm including a picture(with the same size as the arrow) in the right top corner of the div as background.
...
How do C++ class members get initialized if I don't do it explicitly?
...e object's class does not have a default constructor, it will be a compile error if you do not explicitly initialize it.
For primitive types (pointers, ints, etc), they are not initialized -- they contain whatever arbitrary junk happened to be at that memory location previously.
For references (e....
AngularJS routing without the hash '#'
...cation.
– pikkvile
Jan 14 '13 at 18:05
6
It's usefull when you want to keep track of the applicat...
How to delete every other line in Vim?
...
105
You can use a macro for this. Do the following.
Start in command mode.
Go to the beginning of...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
...|
edited Mar 25 '14 at 13:05
answered Mar 25 '14 at 12:30
B...
Cannot import XSSF in Apache POI
... the version 3.7 of the Apache POI and I am getting a "cannot be resolved" error when I do:
11 Answers
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What is the equivalent of the C++ Pair in Java?
Is there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
...