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How do I return multiple values from a function? [closed]
...ing library got the NamedTuple class to make named tuples easier to create and more powerful. Inheriting from typing.NamedTuple lets you use docstrings, default values, and type annotations.
Example (From the docs):
class Employee(NamedTuple): # inherit from typing.NamedTuple
name: str
id...
Should I put the Google Analytics JS in the or at the end of ?
Google gives me a piece of javascript and tells me to include it in the <head> .
7 Answers
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Inline functions vs Preprocessor macros
...s in a function-like context, be advised that:
Macros are not type safe, and can be expanded regardless of whether they are syntatically correct - the compile phase will report errors resulting from macro expansion problems.
Macros can be used in context where you don't expect, resulting in proble...
No Persistence provider for EntityManager named
...
I am using Derby and it wasn't necessary to specify this (I did, but then removed it once I solved the problem, just to make sure). I was getting the error finally because persistence.xml was not in the src/META-INF folder, even though it had...
Replace part of a string with another string
...
There's a function to find a substring within a string (find), and a function to replace a particular range in a string with another string (replace), so you can combine those to get the effect you want:
bool replace(std::string& str, const std::string& from, const std::string&a...
Sorting object property by values
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Move them to an array, sort that array, and then use that array for your purposes. Here's a solution:
var maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (va...
Open directory dialog
...g one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. Has anyone seen this done before?
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unable to copy/paste in mingw shell
I just installed MinGW on Windows and I'm unable to copy/paste as I am used to on Linux or even PuTTY. What is the trick for copying and pasting text (e.g. from chrome) into MinGW shell?
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Convert string to binary in python
...rent version 3.7.4): (1) bytearray expects an encoding (not just a string) and (2) map(bin, ...) will return the map object. For the first point, I use for instance bob.encoding('ascii')` as suggested by @Tao. For the second, point, using the join method, as in the other examples of @Kasramvd will ...
How to set warning level in CMake?
...ct (not the whole solution) using CMake ? Should work on Visual Studio and GCC .
6 Answers
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