clear and re-run all notebooks

Author: N-Coder

docs/examples/ogdf-includes.ipynb

@@ -2,18 +2,33 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 12,
-   "metadata": {},
+   "execution_count": 1,
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-08-24T10:58:14.153940Z",
+     "iopub.status.busy": "2021-08-24T10:58:14.148080Z",
+     "iopub.status.idle": "2021-08-24T10:58:15.516738Z",
+     "shell.execute_reply": "2021-08-24T10:58:15.516246Z"
+    }
+   },
    "outputs": [],
    "source": [
-    "# %env OGDF_BUILD_DIR=~/ogdf/build-debug # uncomment if you didn't set this globally\n",
+    "# uncomment if you didn't set this globally:\n",
+    "# %env OGDF_BUILD_DIR=~/ogdf/build-debug\n",
     "from ogdf_python import ogdf, cppinclude"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
+   "execution_count": 2,
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-08-24T10:58:15.624361Z",
+     "iopub.status.busy": "2021-08-24T10:58:15.623930Z",
+     "iopub.status.idle": "2021-08-24T10:58:15.718569Z",
+     "shell.execute_reply": "2021-08-24T10:58:15.718211Z"
+    }
+   },
    "outputs": [],
    "source": [
     "cppinclude(\"ogdf/layered/SugiyamaLayout.h\")\n",
@@ -39,12 +54,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
-   "metadata": {},
+   "execution_count": 3,
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-08-24T10:58:15.728104Z",
+     "iopub.status.busy": "2021-08-24T10:58:15.727751Z",
+     "iopub.status.idle": "2021-08-24T10:58:15.899897Z",
+     "shell.execute_reply": "2021-08-24T10:58:15.899528Z"
+    }
+   },
    "outputs": [],
    "source": [
-    "from itertools import count\n",
-    "for i in count(5):\n",
+    "for i in range(5):\n",
     "    CGA = CG = G = None # deletion order is important when overwriting parents of dependant objects\n",
     "    G = ogdf.Graph()\n",
     "    CG = ogdf.ClusterGraph(G)\n",
@@ -68,9 +89,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.5"
+   "version": "3.9.6"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}

docs/examples/pitfalls.ipynb

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+find -maxdepth 1 -name "*.ipynb" -exec jupyter nbconvert --to=notebook --inplace --ExecutePreprocessor.enabled=True {} \;