Python to JavaScript converter

You can actually run a Python interpreter directly in JS thanks to emscripten. The project is called empythoned: Empythoned is a build script that uses Emscripten to compile CPython for use in a browser. It attempts to compile the main interpreter as a single small executable and the whole standard library as dynamically loaded libraries. but be … Read more

initialize a numpy array

numpy.zeros Return a new array of given shape and type, filled with zeros. or numpy.ones Return a new array of given shape and type, filled with ones. or numpy.empty Return a new array of given shape and type, without initializing entries. However, the mentality in which we construct an array by appending elements to a … Read more

Check if a variable is a string in JavaScript

You can use typeof operator: Example from this webpage. (Example was slightly modified though). This won’t work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire. The Google JavaScript Style Guide says to never use primitive object … Read more

ctypes – Beginner

I have the task of “wrapping” a c library into a python class. The docs are incredibly vague on this matter. It seems they expect only advanced python users would implement ctypes. Well i’m a beginner in python and need help. Some step by step help would be wonderful. So I have my c library. … Read more

How to split a string in Java

Just use the appropriate method: String#split(). Note that this takes a regular expression, so remember to escape special characters if necessary. there are 12 characters with special meanings: the backslash \, the caret ^, the dollar sign $, the period or dot ., the vertical bar or pipe symbol |, the question mark ?, the asterisk or star *, the plus sign +, the opening parenthesis (, the closing … Read more