Xah Talk Show 2025-07-03 Ep673 Format Python JavaScript Golang HTML CSS in Emacs, Wolfram Language Auto Format

• https://youtu.be/tEh-YEDkVDg

• Emacs: Format CSS Code 📜
• Emacs: Format Python Code 📜
• Emacs: Format JavaScript Code 📜
• Emacs: Format HTML Code 📜
• Emacs: Format Golang Code 📜
• Emacs: Format PowerShell Code 📜
• Automatic Formatting Emacs Lisp Code

• Golang: Find Text in Directory (grep) 📜
• Python: Regex Find Replace Text in Directory 📜
• Xah PowerShell Scripts
• JS: Range Function for Array 📜
• JS DOM: Falling Snow Effect
• Geometric Inversion, 3D Tubes

xx = "something"

print(xx + "123")

if x < 3:
3 else :5

if x < 3:
	3
elif 4:
	4
else:
	5

print(xx + "123")

(* geometric inversion of tube grid *)

Graphics3D[
Replace[
Map[
Function[x, Map[Tube , Subsets[Tuples@Transpose@{x, x + 1}, {2}]]]
,
CoordinateBoundsArray@Table[{0, 3}, 3], {-2}],
vec_List :> Function[x, (With[{y = x . x}, If[y < 0.00001, x, x/y]])] @ vec, {-2}]
,
ViewVector -> {-.5, -.2, -1}]