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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
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If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find b...
What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x.
31 Answers
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How to repeat last command in python interpreter shell?
How do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don't work. They produce nonsensical characters.
26 An...
Circle-Rectangle collision detection (intersection)
How can I tell whether a circle and a rectangle intersect in 2D Euclidean space? (i.e. classic 2D geometry)
25 Answers
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
I got this code to covert size in bytes via PHP.
17 Answers
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Get a pixel from HTML Canvas?
Is it possible to query a HTML Canvas object to get the color at a specific location?
10 Answers
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git:// protocol blocked by company, how can I get around that?
... diagnose this as the actual problem.
Diagnosing the Problem
References: https://superuser.com/q/621870/203918 and https://unix.stackexchange.com/q/11756/57414
There are several tools we can use to determine if the firewall causing our problem - use whichever is installed on your system.
# Using...
LINQ Select Distinct with Anonymous Types
So I have a collection of objects. The exact type isn't important. From it I want to extract all the unique pairs of a pair of particular properties, thusly:
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