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Extract file basename without path and extension in bash [duplicate]

... You don't have to call the external basename command. Instead, you could use the following commands: $ s=/the/path/foo.txt $ echo "${s##*/}" foo.txt $ s=${s##*/} $ echo "${s%.txt}" foo $ echo "${s%.*}" foo Note that this solution should work in all recent (post 2004) POS...
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How do you create a random string that's suitable for a session ID in PostgreSQL?

I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this? ...
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Difference between Grunt, NPM and Bower ( package.json vs bower.json )

I'm new to using npm and bower, building my first app in emberjs :). I do have a bit of experience with rails, so I'm familiar with the idea of files for listing dependencies (such as bundler Gemfile) ...
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Should I use multiplication or division?

... Thanks for the tip on using the time command for benchmarking! – Edmundito Oct 22 '08 at 17:11 2 ...
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What's the difference between @Secured and @PreAuthorize in spring security 3?

...can work with Spring Expression Language (SpEL). You can: Access methods and properties of SecurityExpressionRoot. Access method arguments (requires compilation with debug info or custom ParameterNameDiscoverer): @PreAuthorize("#contact.name == principal.name") public void doSomething(Contact con...
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Why is an int in OCaml only 31 bits?

...d bit is used for garbage collection. But why is it that way only for ints and not for the other basic types? 5 Answers ...
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nil detection in Go

...mpiler is pointing the error to you, you're comparing a structure instance and nil. They're not of the same type so it considers it as an invalid comparison and yells at you. What you want to do here is to compare a pointer to your config instance to nil, which is a valid comparison. To do that you...
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What does [].forEach.call() do in JavaScript?

I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array. ...
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Are the shift operators () arithmetic or logical in C?

... When shifting left, there is no difference between arithmetic and logical shift. When shifting right, the type of shift depends on the type of the value being shifted. (As background for those readers unfamiliar with the difference, a "logical" right shift by 1 bit shifts all the bits ...
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What is a bank conflict? (Doing Cuda/OpenCL programming)

I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...