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psql: could not connect to server: No such file or directory (Mac OS X)
...master has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everything worked!
/usr/local/var/postgres/postmaster.pid
--
and here is how I figured out why this needed to be deleted.
I used the following command to see if there were any PG processes running. for me ther...
Python CSV error: line contains NULL byte
...
print repr(open('my.csv', 'rb').read(200)) # dump 1st 200 bytes of file
and carefully copy/paste (don't retype) the result into an edit of your question (not into a comment).
Also note that if the file is really dodgy e.g. no \r or \n within reasonable distance from the start of the file, the li...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
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What's the point of having pointers in Go?
...ences (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
...
bower init - difference between amd, es6, globals and node
...ikely globals is the right answer for you.
Either way, you need to understand:
what is and why AMD
what is a nodejs module
what is ecmascript 6 and especially es6 modules
[UPDATE]
This feature was introduced very recently in bower and is not documented at all yet (AFAIK). It essentially descri...
PadLeft function in T-SQL
...r 123456789...
So if your max value is 123456... you would see 0000123456 and if your min value is 1 you would see 0000000001
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Java 8 stream's .min() and .max(): why does this compile?
...not used for matching purposes.
Therefore, both Integer.min(int a, int b) and Integer.max(int a, int b) are close enough that autoboxing will allow this to appear as a Comparator<Integer> in a method context.
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Make a negative number positive
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The concept you are describing is called "absolute value", and Java has a function called Math.abs to do it for you. Or you could avoid the function call and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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Git keeps prompting me for a password
...
I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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How to copy a local Git branch to a remote repo
...he source repository (most likely, it would find refs/heads/experimental), and update the same ref (e.g. refs/heads/experimental) in origin repository with it.
If experimental did not exist remotely, it would be created.
This is the same as:
git push origin experimental:refs/heads/experimental
Crea...