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What does “atomic” mean in programming?

...eans an operation that appears to be instantaneous from the perspective of all other threads. You don't need to worry about a partly complete operation when the guarantee applies. share | improve th...
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How to tell if a file is git tracked (by shell exit code)?

...atch (full path + filename), but can be used with wildcards: git ls-files *foo.rb – dechimp Apr 26 '19 at 16:57 add a comment  |  ...
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Why do you need to invoke an anonymous function on the same line?

...ition. Because it has no name (it's anonymous duh!), you won't be able to call it anymore. If you don't put semicolon then function could still be executed. – SolutionYogi Jul 16 '09 at 20:32 ...
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Is it good practice to NULL a pointer after deleting it?

...d to achieve in practice. I prefer a masked double delete bug over UB. Finally, a sidenote regarding managing object allocation, I suggest you take a look at std::unique_ptr for strict/singular ownership, std::shared_ptr for shared ownership, or another smart pointer implementation, depending on yo...
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Difference between a Structure and a Union

...good example to give the difference between a struct and a union ? Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference? ...
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How do I parse command line arguments in Bash?

Say, I have a script that gets called with this line: 37 Answers 37 ...
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Passing a method as a parameter in Ruby

...ightedknn(data, vec1, k = 5, weightf = gaussian) ... weight = weightf.call(dist) ... end Just note that you can't set a default argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself. Or, depending on your scope of all this, it...
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Combine --user with --prefix error with setup.py install

...m. It was hidden inside the ~/.config/pip/pip.conf with: [global] target=/foo/bar Such a config was created by a third-party script without my knowledge. I suggest checking the pip configuration files and removing the target=/foo/bar options. ...
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Overriding Binding in Guice

...er be injecting mock or fake objects by hand. On the other hand, if you really want to replace a single binding, you could use Modules.override(..): public class ProductionModule implements Module { public void configure(Binder binder) { binder.bind(InterfaceA.class).to(ConcreteA.class...
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Is std::vector copying the objects with a push_back?

...e name of an entity declared as rvalue reference, then the argument is actually an lvalue and will not be moved from) - check my edit to the answer of "Karl Nicoll" which made that mistake initially – M.M Apr 16 '17 at 0:17 ...