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On EC2: sudo node command not found, but node without sudo is ok
...oesn't exist. I made a directory ~/local, though. 3) After removing /usr and sudo from each of these lines of code and running them through my console, nothing had changed.
– Wolfpack'08
Jul 5 '13 at 22:15
...
What’s the purpose of prototype? [duplicate]
... this.name = name;
}
}
The set_name function is created de novo each and every time you create an animal. But when you do this
animal.prototype.set_name = function(name){
this.name = name;
}
The function does not have to be re-created each time; it exists in one place in the prototype....
How to get the nth occurrence in a string?
...n unbounded length input, it needlessly creates an unbounded length array, and then throws most of it away. It would be faster and more efficient just to iteratively use the fromIndex argument to String.indexOf
– Alnitak
Jan 23 '13 at 13:31
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How do I print bold text in Python?
... you didn't just did bold, but created a whole class for them to reference and to help all users viewing. Thank you.
– GreenHawk1220
Dec 9 '16 at 21:43
3
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Removing first x characters from string?
...if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
5 Answers
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Duplicate log output when using Python logging module
...
The problem is that every time you call myLogger(), it's adding another handler to the instance, which causes the duplicate logs.
Perhaps something like this?
import os
import time
import datetime
import logging
loggers = {}
def myLogger(name):
global loggers
if loggers.get(name):
...
How should one use std::optional?
I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
Case insensitive 'in'
...e list. (name.upper() for name in USERNAMES) would create only a generator and one needed string at a time - massive memory savings if you're doing this operation a lot. (even more savings, if you simply create a list of lowercase usernames that you reuse for checking every time)
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
My version of node is always v0.6.1-pre even after I install brew node and NVM install v0.6.19.
28 Answers
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Partly JSON unmarshal into a map in Go
My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
