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Difference between abstract class and interface in Python

... @L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they're interfaces or abstract cl...
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Count the number occurrences of a character in a string

...e counts for a lot of the letters in a given string, Counter provides them all in a more succinct form. If you want the count for one letter from a lot of different strings, Counter provides no benefit. – Brenden Brown Feb 17 '15 at 19:30 ...
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How can I get the client's IP address in ASP.NET MVC?

I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object? ...
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How to divide flask app into multiple py files?

...c resources: templates or static files. Please refer to the Flask docs for all the details. share | improve this answer | follow | ...
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Show current assembly instruction in GDB

...x │ │0x7ffff740d769 <__libc_start_main+233> callq *0x18(%rsp) │ >│0x7ffff740d76d <__libc_start_main+237> mov %eax,%edi │ │0x7ffff740d76f <__libc_start_main+239> callq 0x7ffff7427970 <exit> ...
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Python name mangling

...ld Python guys despise this default - but it is the default anyway, so I really recommend you to follow it, even if you feel uncomfortable. If you really want to send the message "Can't touch this!" to your users, the usual way is to precede the variable with one underscore. This is just a conventi...
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How to call a parent method from child class in javascript?

...Here's how its done: ParentClass.prototype.myMethod(); Or if you want to call it in the context of the current instance, you can do: ParentClass.prototype.myMethod.call(this) Same goes for calling a parent method from child class with arguments: ParentClass.prototype.myMethod.call(this, arg1, arg2...
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Elegant way to invert a map in Scala

... @dev-null I'm sorry, but your example does not fall under the required assumption. – Daniel C. Sobral May 2 '19 at 17:01 ...
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup

... This worked only after I selected "all configurations" for both platform and type. Selecting "build" on the "Solution" attempted to build all and the first one tried was NOT the one had specified for console subsystem. – Joseph Stateson ...
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fs: how do I locate a parent folder?

... why? just generally why? can someone please explain? – eyurdakul May 16 '17 at 15:12 ...