...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...

... You have two variables here, m and n, where m is the length of the input and n is the number of items in the hash. The O(1) lookup performance claim makes at least two assumptions: Your objects can be equality compared in O(1) time. There will be few ha...

... applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project. Because he argued very well against node_modules I will concentrate on arguments for them. Imagine that you have just finished enterprise app and you will have to su...

....hgignore There are two syntax options available for file matching, glob and regexp. glob is unix-like filename expansion and regexp is regular expressions. You activate each by adding syntax: glob or syntax: regexp on a line by itself. All lines following that will use that syntax, until the next...

I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...

I had forgotten to run the initdb command. 33 Answers 33 ...

... [(incident_edges v1) + (incident_edges v2) + ... + (incident_edges vn)] and the first group is O(N) while the other is O(E). share | improve this answer | follow ...

...n my app. What it does is it has a .txt file with words for a Hangman game and I think the exception is thrown when accessing the file. My file, cuvinte.txt is located into /assets/. Here is my code (i skipped the layout/xml part, which works fine): ...

I'm really confused about the differences between big O, big Omega, and big Theta notation. 6 Answers ...

...note is that root-config is a utility which provides the right compilation and linking flags; and the right libraries for building applications against root. That's just a detail related to the original audience for this document. Make Me Baby or You Never Forget The First Time You Got Made An in...