This prevents statics properties from being changed. Then make another class that uses that metaclass: class Const(object): Note that unfortunately (this still being Python), you can erase the entire Foo assignment altogether: >>> Foo = 'bar'

styled-components dynamically style your elements in whichever way you deem fit. They encourage the DRY principle with great patterns for organizing your code, and styled-components have compatibility with a wide range of frameworks and libraries. They are also great for developing and maintaining design systems. Cons:derkovtis_talig='https://upload.wikimedia.org/wikipedia/commons/3/37/Derkovits_Gyula_Talig%C3%A1s_1920.jpg', hubble_pillars_of_creation='https://upload.wikimedia.org/wikipedia/commons/6/68/Pillars_of_creation_2014_HST_WFC3-UVIS_full-res_denoised.jpg', Using "define('MY_VAR', 'default value')" INSIDE a class definition does not work as expected. You have to use the PHP keyword 'const' and initialize it with a scalar value -- boolean, int, float, string (or array in PHP 5.6+) -- right away. namespace. Concede to optimization when necessary Performance optimizations can sometimes be necessary and

You can use a namedtuple as a workaround to effectively create a constant that works the same way as a static final variable in Java (a Java "constant"). As workarounds go, it's sort of elegant. (A more elegant approach would be to simply improve the Python language --- what sort of language lets you redefine math.pi? -- but I digress.) In the code above, we created a component that can be used the same as any React component. However, notice that we are using pure CSS in a JavaScript file. Next, let’s put this component: /** AddTodo.js file **/ label>