clean up

Author: cliburn

lessons/C Bootcamp.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:23bf015233aa6621c6b7e3018e695e5ef0d1cbe57c61e43edcc463d814de4346"
+  "signature": "sha256:3f68ff96f90dbafb8a28fbe4cb9991fc53c5e2447b982c637b2d258b44aad07d"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -1364,10 +1364,7 @@
       "* chars are bytes and pointers are integers\n",
       "* pointer arithmetic means that `array[index]` is the same as `*(array+index)` whihc is the same as `index[array]`!\n",
       "* lax formatting rules especially with respect to whitespace (or lack of it)\n",
-      "* Use of the comma operator to stuff multiple expressions togehter e.g. the followig program compiles \n",
-      "    ```c\n",
-      "    main() {int b, c; int a=(b=2,  c=3, a<0) ? (b+=3, b-1) : (c+=b, c+2);}\n",
-      "    ```\n",
+      "* Use of the comma operator to combine multiple expressions together with the ?: operator\n",
       "* Recursive function calls - e.g. main calling main repeatedly is legal C\n",
       "\n",
       "Here is one winning from the 2013 IOCCC [entry](http://www.ioccc.org/2013/dlowe/hint.html) that should warm the heart of statisticians - it displays sparklines (invented by Tufte).\n",
@@ -1460,47 +1457,6 @@
       "<http://www.dreamincode.net/forums/topic/38102-obfuscated-code-a-simple-introduction/>"
      ]
     },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "%%file obs.c\n"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "Overwriting obs.c\n"
-       ]
-      }
-     ],
-     "prompt_number": 198
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "!clang obs.c -o obs"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "\u001b[1mobs.c:1:1: \u001b[0m\u001b[0;1;35mwarning: \u001b[0m\u001b[1mtype specifier missing, defaults to 'int' [-Wimplicit-int]\u001b[0m\r\n",
-        "main() {int b, c; int a=(b=2,  c=3, a<0) ? (b+=3, b-1) : (c+=b, c+2);}\r\n",
-        "\u001b[0;1;32m^~~~\r\n",
-        "\u001b[0m1 warning generated.\r\n"
-       ]
-      }
-     ],
-     "prompt_number": 199
-    },
     {
      "cell_type": "code",
      "collapsed": false,