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NPM modules won't install globally without sudo
I have just reinstalled Ubuntu 12.04 LTS, and before anything else i did these steps :
14 Answers
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Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
Practical uses of different data structures [closed]
There's a lot of talk about data structures, but I can't find a simple list of data structures and their practical use out there. I'm trying to study for an interview and I think this would help me out, along with many others. I'm looking for something like this:
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Find all storage devices attached to a Linux machine [closed]
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
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How to force garbage collector to run?
Interviewer asked me about this today ...is there an answer ?
7 Answers
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How can I create a self-signed cert for localhost?
I've gone through the steps detailed in How do you use https / SSL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning.
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Why is a 3-way merge advantageous over a 2-way merge?
...ess error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
4 Answers
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How to access the last value in a vector?
Suppose I have a vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var?
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How is Python's List Implemented?
Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code.
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