How to convert string to integer in UNIX shelll
The standard solution: expr $d1 – $d2 You can also do: echo $(( d1 – d2 )) but beware that this will treat 07 as an octal number! (so 07 is the same as 7, but 010 is different than 10).
interactive
Is there an interactive graphing library for python
Looks like Nodebox might be what you want: http://nodebox.net/code/index.php/Graph Mac OSX http://www.cityinabottle.org/nodebox/ Windows (using OpenGL) The graph object has functionality for mouse interaction as well, bundled in the graph.events object. It has the following properties: graph.events.hovered: None or the node over which the mouse hovers. graph.events.pressed: None or the node on which the mouse is … Read more
Enter Interactive Mode In Python
code.interact() seems to work somehow: >>> import code >>> def foo(): … a = 10 … code.interact(local=locals()) … return a … >>> foo() Python 3.6.5 (default, Apr 1 2018, 05:46:30) [GCC 7.3.0] on linux Type “help”, “copyright”, “credits” or “license” for more information. (InteractiveConsole) >>> a 10 Ctrl+Z returns to the “main” interpreter. You can … Read more
Tell if Python is in interactive mode
__main__.__file__ doesn’t exist in the interactive interpreter: import __main__ as main print hasattr(main, ‘__file__’) This also goes for code run via python -c, but not python -m.
Is there a possibility to execute a Python script while being in interactive mode
Use execfile(‘script.py’) but it only work on python 2.x, if you are using 3.0 try exec(open(‘script.py’).read())
Interactive matplotlib plot with two sliders
In addition to what @triplepoint mentioned, have a look at the slider widget. There’s an example on the matplotlib examples page. It’s a graphical slider bar rather than keyboard bindings, but it works quite well for what you want to do. Also note that to guarantee the sliders and buttons remain responsive and not garbage-collected, … Read more
What are the available interactive languages that run in tiny memory? [closed]
A homebrew Forth runtime can be implemented in very little memory indeed. I know someone who made one on a Cosmac in the 1970s. The core runtime was just 30 bytes.
How to assign the result of the previous expression to a variable?
.Last.value is an answer. It was answered once but you have better title.
git add –interactive “Your edited hunk does not apply”
Is this like in this git-add post? Manually editing the hunk is immensely powerful, but also a bit complicated if you’ve never done it before. The most important thing to keep in mind: The diff is always indented with one character in addition to whatever other indentation is there. The character can either be: a … Read more
How to drop into REPL (Read, Eval, Print, Loop) from Python code
I frequently use this: def interact(): import code code.InteractiveConsole(locals=globals()).interact()