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How to remove illegal characters from path and filenames?

...gal path into a legitimate but probably unintended one. Edit: Or a potentially 'better' solution, using Regex's. string illegal = "\"M\"\\a/ry/ h**ad:>> a\\/:*?\"| li*tt|le|| la\"mb.?"; string regexSearch = new string(Path.GetInvalidFileNameChars()) + new string(Path.GetInvalidPathChars()); ...
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What __init__ and self do on Python?

...to declare it explicitly. When you create an instance of the A class and call its methods, it will be passed automatically, as in ... a = A() # We do not pass any argument to the __init__ method a.method_a('Sailor!') # We only pass a single argument The __init__ method is roughly w...
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Get hours difference between two dates in Moment Js

... How does this have so many votes when all it does is make the OP aware of a typo that most IDE's would reveal to you anyway ( imgur.com/a/ikyayIL ). SO rep is first in best dressed while others work for scraps smh. Oh you fixed a typo.. here's 4.7k rep ...
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'printf' vs. 'cout' in C++

...letely on operator overloading, so there is no issue with custom formats - all you do is define a subroutine taking std::ostream as the first argument and your type as second. As such, there are no namespace problems - as long you have a class (which isn't limited to one character), you can have wor...
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What exactly does Perl's “bless” do?

...to a hash (most common case), to an array (not so common), to a scalar (usually this indicates an inside-out object), to a regular expression, subroutine or TYPEGLOB (see the book Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques by Damian Conway for useful examples)...
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Correct use of Multimapping in Dapper

...ID, CustomerName. This makes the spliton: parameter not so useful, especially when you're not sure what order the columns are returned in. Of course you could manually specify columns...but it's 2017 and we just rarely do that anymore for basic object gets. What we do, and it's worked great fo...
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MongoDB: Combine data from multiple collections into one..how?

..., reduce; db.users_comments.remove(); // setup sample data - wouldn't actually use this in production db.users.remove(); db.comments.remove(); db.users.save({firstName:"Rich",lastName:"S",gender:"M",country:"CA",age:"18"}); db.users.save({firstName:"Rob",lastName:"M",gender:"M",country:"US",age:"25...
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Why do we need extern “C”{ #include } in C++?

... C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data cont...
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Spring MVC - How to get all request params in a map in Spring controller?

...ring way" to use the HttpServletRequest object directly. The answer is actually quite simple and what you would expect if you're familiar with Spring MVC. @RequestMapping(value = {"/search/", "/search"}, method = RequestMethod.GET) public String search( @RequestParam Map<String,String> allReq...
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What is a “callable”?

...t's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means. ...