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What is the meaning of single and double underscore before an object name?
...verridden by subclasses (even ones that have to be overridden since in the base class they raise NotImplementedError!-) are often single-leading-underscore names to indicate to code using instances of that class (or subclasses) that said methods are not meant to be called directly.
For example, to ...
How do I write good/correct package __init__.py files
...t imports are good things, and I strong suggest reconsidering any approach based on systematically bypassing either or both concepts!-)
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How can I correctly prefix a word with “a” and “an”?
...p the empty prefix to avoid corner-cases.
You can optimize your prefix database by discarding all those prefixes whose parent shares the same "a" or "an" annotation.
When determining whether to use "A" or "AN" find the longest matching prefix, and follow its lead. If you didn't discard the empty pr...
What is the difference between JSON and Object Literal Notation?
...ion .json.
► JavaScript Object Notation (JSON) is a lightweight, text-based, language-independent data interchange format. JSON has been used to exchange data between applications written in any Programming language.
The JSON object is a single object that contains two functions, parse and ...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...
My personal preference is based on code literacy like this:
void* data = something;
MyClass* foo = reinterpret_cast<MyClass*>(data);
foo->bar();
or
typedef void* hMyClass; //typedef as a handle or reference
hMyClass = something;
const MyC...
What techniques can be used to speed up C++ compilation times?
...goals it to find the largest symbols in your code.
Method 1 - Sort symbols based on size
You can use the nm command to list the symbols based on their sizes:
nm --print-size --size-sort --radix=d YOUR_BINARY
In this command the --radix=d lets you see the sizes in decimal numbers (default is hex). N...
What is the 'override' keyword in C++ used for? [duplicate]
...that "this is a virtual method, that is overriding a virtual method of the base class."
The compiler also knows that it's an override, so it can "check" that you are not altering/adding new methods that you think are overrides.
To explain the latter:
class base
{
public:
virtual int foo(fl...
Best practices for SQL varchar column length [closed]
...n UK are usually between 1-35 characters. If you decide to make it varchar(64), you're not really going to hurt anything... unless you're storing this guy's family name that's said to be up to 666 characters long. In that case, maybe varchar(1028) makes more sense.
And in case it's helpful, here's ...
Rename MySQL database [duplicate]
I created a database with the name of hrms . Now I need to change database name to sunhrm . But, It is disabled in MySQL workbench. Can I do that on the Linux server itself?
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Convert Enumeration to a Set/List
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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