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How to use '-prune' option of 'find' in sh?
I don't quite understand the example given from the man find , can anyone give me some examples and explanations? Can I combine regular expression in it?
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What exactly is Python multiprocessing Module's .join() Method Doing?
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The join() method, when used with threading or multiprocessing, is not related to str.join() - it's not actually concatenating anything together. Rather, it just means "wait for this [thread/process] to complete". The name join is used because the multipr...
#pragma once vs include guards? [duplicate]
... that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler deal with #pragma once wi...
Why is char[] preferred over String for passwords?
...lection) you can get rid of the data before garbage collection kicks in.
With an array, you can explicitly wipe the data after you're done with it. You can overwrite the array with anything you like, and the password won't be present anywhere in the system, even before garbage collection.
So yes, ...
Are the days of passing const std::string & as a parameter over?
... and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable:
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When should an IllegalArgumentException be thrown?
I'm worried that this is a runtime exception so it should probably be used sparingly.
Standard use case:
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Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
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Where is array's length property defined?
We can determine the length of an ArrayList<E> using its public method size() , like
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...used to using relational databases like MySQL or PostgreSQL, and combined with MVC frameworks such as Symfony, RoR or Django, and I think it works great.
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