import

Difference between import tkinter as tk and from tkinter import

from Tkinter import * imports every exposed object in Tkinter into your current namespace. import Tkinter imports the “namespace” Tkinter in your namespace and import Tkinter as tk does the same, but “renames” it locally to ‘tk’ to save you typing let’s say we have a module foo, containing the classes A, B, and C. Then import foo gives you access to … Read more

Import a custom class in Java

If all of your classes are in the same package, you shouldn’t need to import them. Simply instantiate the object like so: CustomObject myObject = new CustomObject();

How do I include a JavaScript file in another JavaScript file?

The old versions of JavaScript had no import, include, or require, so many different approaches to this problem have been developed. But since 2015 (ES6), JavaScript has had the ES6 modules standard to import modules in Node.js, which is also supported by most modern browsers. For compatibility with older browsers, build tools like Webpack and Rollup and/or transpilation tools like Babel can be used. … Read more

What does “Symbol not found / Expected in: flat namespace” actually mean?

Description The problem was caused by mixing objects that compiled with libc++ and object that compiled with libstdc++. In our case, the library myMod.so (compiled with libstdc++) need boost-python that compiled with libstdc++ (boost-python-libstdc++ from now). When boost-python is boost-python-libstdc++, it will work fine. Otherwise – on computer that its boost-python has compiled with libc++ … Read more

Import a custom class in Java

If all of your classes are in the same package, you shouldn’t need to import them. Simply instantiate the object like so: CustomObject myObject = new CustomObject();

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