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Is errno thread-safe?
In errno.h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Check if a file exists with wildcard in shell script [duplicate]
I'm trying to check if a file exists, but with a wildcard. Here is my example:
21 Answers
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How to get a Static property with Reflection
...ems pretty basic but I can't get it to work. I have an Object, and I am using reflection to get to it's public properties. One of these properties is static and I'm having no luck getting to it.
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How can I see the size of a GitHub repository before cloning it?
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There's a way to access this information through the GitHub API.
Syntax: GET /repos/:user/:repo
Example: https://api.github.com/repos/git/git
When retrieving information about a repository, a property named size is valued with the size of the whole r...
How to pass variable from jade template file to a script file?
I'm having trouble with a variable (config) declared in a jade template file (index.jade) that isn't passed to a javascript file, which then makes my javascript crash. Here is the file (views/index.jade):
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Unit testing void methods?
What is the best way to unit test a method that doesn't return anything? Specifically in c#.
11 Answers
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Getting GDB to save a list of breakpoints
OK, info break lists the breakpoints, but not in a format that would work well with reusing them using the --command as in this question . Does GDB have a method for dumping them into a file acceptable for input again? Sometimes in a debugging session, it is necessary to restart GDB after buildi...
How to get started on TDD with Ruby on Rails? [closed]
I am familiar with the concepts (took testing classes in college), but I am not sure how to really use them yet since I never worked on a "real" TDD project.
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How to get a variable value if variable name is stored as string?
How can I retrieve a bash variable value if I have the variable name as string?
7 Answers
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How to elegantly rename all keys in a hash in Ruby? [duplicate]
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ages = { 'Bruce' => 32, 'Clark' => 28 }
mappings = { 'Bruce' => 'Bruce Wayne', 'Clark' => 'Clark Kent' }
ages.transform_keys(&mappings.method(:[]))
#=> { 'Bruce Wayne' => 32, 'Clark Kent' => 28 }
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