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PostgreSQL error 'Could not connect to server: No such file or directory'
...n your postgres directory, probably /usr/local/var/postgres/
remove this and start server.
Check - https://github.com/mperham/lunchy is a great wrapper for launchctl.
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What is the 'dynamic' type in C# 4.0 used for?
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The dynamic keyword is new to C# 4.0, and is used to tell the compiler that a variable's type can change or that it is not known until runtime. Think of it as being able to interact with an Object without having to cast it.
dynamic cust = GetCustomer();
cust.Fir...
Should I add the Visual Studio .suo and .user files to source control?
...s 'changed'.
I don't include either, I'm in a project using VS for 2 years and had no problems doing that. The only minor annoyance is that the debug parameters (execution path, deployment target, etc.) are stored in one of those files (don't know which), so if you have a standard for them you won't...
How to use null in switch
... Integer or other Wrapper class, because of unboxing. But what about enums and strings? Why can't they be null?
– Luan Nico
Nov 2 '13 at 11:20
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How do you clear Apache Maven's cache?
...(or the full local repo) from c:\Users\<username>\.m2\repository by hand.
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How to run JUnit test cases from the command line
I would like to run JUnit test cases from the command line.
How can I do this?
11 Answers
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Browser support for URLs beginning with double slash
... few links used without a protocol. It didn't seem too difficult to understand - I think it's a great idea and pretty intuitive.
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Is “double hashing” a password less secure than just hashing it once?
...s the time it takes for an attacker to try each password in their list of candidates. You can easily increase the time it takes to attack a password from hours to years.
Simple iteration is not enough
Merely chaining hash output to input isn't sufficient for security. The iteration should take pla...
What is java interface equivalent in Ruby?
Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface.
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Modify SVG fill color when being served as Background-Image
... a resource server side that outputs your svg according to GET parameters, and you serve it on a certain url.
Then you just use that url in your css.
Because as a background img, it isn't part of the DOM and you can't manipulate it.
Another possibility would be to use it regularly, embed it in a p...