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How do I find out my MySQL URL, host, port and username?
I need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these?
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Change the current directory from a Bash script
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You need to convert your script to a shell function:
#!/bin/bash
#
# this script should not be run directly,
# instead you need to source it from your .bashrc,
# by adding this line:
# . ~/bin/myprog.sh
#
function myprog() {
A=$1
B=$2
echo "aaa ${A} bbb ${B} ccc"
cd /pro...
How do I specify the exit code of a console application in .NET?
I have a trivial console application in .NET. It's just a test part of a larger application. I'd like to specify the "exit code" of my console application. How do I do this?
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How do I associate a Vagrant project directory with an existing VirtualBox VM?
... vagrant up Vagrant will import the base-box and create a new virtual machine.
10 Answers
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How does functools partial do what it does?
I am not able to get my head on how the partial works in functools.
I have the following code from here :
7 Answers
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What does passport.session() middleware do?
I am building an authentication system using Passport.js using Easy Node Authentication: Setup and Local tutorial .
4 Answ...
How do I install a plugin for vim?
I'd like to try the plugin for Vim linked below. It adds syntax highlighting for .haml and (perhaps) .sass files.
5 Ans...
Why doesn't await on Task.WhenAll throw an AggregateException?
In this code:
8 Answers
8
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Linear Regression and group by in R
I want to do a linear regression in R using the lm() function. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each ...
Check if one IEnumerable contains all elements of another IEnumerable
What is the fastest way to determine if one IEnumerable contains all the elements of another IEnumerable when comparing a field/property of each element in both collections?
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