diff options
Diffstat (limited to 'Practical_C_Programming/.ipynb_checkpoints')
-rwxr-xr-x | Practical_C_Programming/.ipynb_checkpoints/Chapter_14_1-checkpoint.ipynb | 175 | ||||
-rwxr-xr-x | Practical_C_Programming/.ipynb_checkpoints/Chapter_15_1-checkpoint.ipynb | 351 |
2 files changed, 526 insertions, 0 deletions
diff --git a/Practical_C_Programming/.ipynb_checkpoints/Chapter_14_1-checkpoint.ipynb b/Practical_C_Programming/.ipynb_checkpoints/Chapter_14_1-checkpoint.ipynb new file mode 100755 index 00000000..c25523b7 --- /dev/null +++ b/Practical_C_Programming/.ipynb_checkpoints/Chapter_14_1-checkpoint.ipynb @@ -0,0 +1,175 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:aaf3603d1f605477459dd54990dcc4c8c154c9c808805468e92c30fde9487343" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Chapter 14: File input/output" + ] + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 14.1, Page number: 253" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variable declaration\n", + "import os\n", + "count = 0\n", + "in_file = open ('input.txt', 'r')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('input.txt') :\n", + " print ('Cannot open input.txt\\n')\n", + "\n", + "while (1) :\n", + " ch = in_file.read(1)\n", + " if not ch :\n", + " break\n", + " count += 1\n", + "\n", + "print ('Number of characters in input.txt is %d\\n' % count)\n", + "\n", + "in_file.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Number of characters in input.txt is 0\n", + "\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 14.3, Page number: 257" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "in_file = open ('input.txt', 'r')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('input.txt') :\n", + " print ('Could not open file\\n')\n", + " sys.exit(1)\n", + "print ('File found\\n')\n", + "\n", + "in_file.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "File found\n", + "\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 14.4, Page number: 260" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "out_file = open ('test.out', 'w')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('test.out') :\n", + " print ('Cannot open output file\\n')\n", + " sys.exit(1)\n", + "\n", + "for cur_char in range (0, 128) :\n", + " out_file.write(str (cur_char))\n", + " out_file.write('\\n')\n", + "\n", + "out_file.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 14.5, Page number: 267" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "# Variable declaration\n", + "txt_file = open ('input.txt')\n", + "\n", + "source_content = txt_file.read()\n", + "\n", + "target = open ('output.txt', 'w')\n", + "\n", + "# Calculation and result\n", + "target.write(source_content)\n", + "print ('Content copied')\n", + "\n", + "target.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
\ No newline at end of file diff --git a/Practical_C_Programming/.ipynb_checkpoints/Chapter_15_1-checkpoint.ipynb b/Practical_C_Programming/.ipynb_checkpoints/Chapter_15_1-checkpoint.ipynb new file mode 100755 index 00000000..05286d0f --- /dev/null +++ b/Practical_C_Programming/.ipynb_checkpoints/Chapter_15_1-checkpoint.ipynb @@ -0,0 +1,351 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:23b3891085deb8af52412d44380b6187a4110d7e026531ec90b3b2ae79d61d0f" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 15: Debugging and optimization" + ] + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.1, Page number: 275" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Function declaration\n", + "def lookup (name) :\n", + " lists = ['John', 'Jim', 'Jane', 'Clyde']\n", + " result = 0\n", + "\n", + " for index in range (0, 4) :\n", + " if (lists[index] == name) :\n", + " result = 1\n", + " break\n", + " \n", + " return result\n", + "\n", + "# Calculation and result\n", + "name = 'John'\n", + "\n", + "if (lookup (name)) :\n", + " print ('%s is in the list\\n' % name)\n", + "else :\n", + " print ('%s is not in the list\\n' % name)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "John is in the list\n", + "\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.6, Page number: 288" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variable and function declaration\n", + "seven_count = 0\n", + "three_count = 0\n", + "data = []\n", + "\n", + "def get_data (data) :\n", + " for i in range (0, 5) :\n", + " x = 3\n", + " data.append(int(x))\n", + " print (data)\n", + "\n", + "# Calculation\n", + "get_data (data)\n", + "for index in range (0, 5) :\n", + " if data[index] == 3 :\n", + " three_count += 1\n", + "\n", + " if data[index] == 7 :\n", + " seven_count += 1\n", + "\n", + "# Result\n", + "print ('Threes %d Sevens %d' % (three_count, seven_count))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "[3, 3, 3, 3, 3]\n", + "Threes 5 Sevens 0\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.7, Page number: 292" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "in_file = open ('numbers.dat', 'r')\n", + "\n", + "data = []\n", + "max_count = 0\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('numbers.dat') :\n", + " print ('Error:Unable to open numbers.dat\\n')\n", + " sys.exit(1)\n", + "\n", + "for line in in_file :\n", + " data.append(line)\n", + " max_count += 1\n", + "\n", + "while (1) :\n", + " search = 6\n", + " \n", + " if (search == -1) :\n", + " break\n", + "\n", + " low = 0\n", + " high = max_count\n", + "\n", + " while (1) :\n", + " mid = (low + high) / 2\n", + " middle = int (mid) \n", + "\n", + " if (int (data[middle]) == search) :\n", + " print ('Found at index %d\\n' % (middle + 1))\n", + " break\n", + "\n", + " if (low == high) :\n", + " print ('Not found\\n')\n", + " break\n", + "\n", + " if (int (data[middle]) < search) :\n", + " low = middle\n", + " else :\n", + " high = middle \n", + "\n", + "in_file.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [], + "prompt_number": "*" + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.8, Page number: 300" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "in_file = open ('numbers.dat', 'r')\n", + "\n", + "data = []\n", + "max_count = 0\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('numbers.dat') :\n", + " print ('Error:Unable to open numbers.dat\\n')\n", + " sys.exit(1)\n", + "\n", + "for line in in_file :\n", + " data.append(line)\n", + " max_count += 1\n", + "\n", + "while (1) :\n", + " search = 14\n", + " \n", + " if (search == -1) :\n", + " break\n", + "\n", + " low = 0\n", + " high = max_count\n", + "\n", + " while (1) :\n", + " mid = (low + high) / 2\n", + " middle = int (mid) \n", + "\n", + " if (int (data[middle]) == search) :\n", + " print ('Found at index %d\\n' % (middle + 1))\n", + " break\n", + "\n", + " if (low == high) :\n", + " print ('Not found\\n')\n", + " break\n", + "\n", + " if (int (data[middle]) < search) :\n", + " low = middle\n", + " else :\n", + " high = middle \n", + "\n", + "in_file.close()" + ], + "language": "python", + "metadata": {}, + "outputs": [], + "prompt_number": "*" + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.10, Page number: 304" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variable declaration\n", + "i = 1\n", + "j = 1\n", + "\n", + "# Calculation and result\n", + "print ('Starting\\n')\n", + "print ('Before divide...')\n", + "i = i / j\n", + "print ('After\\n')" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Starting\n", + "\n", + "Before divide...\n", + "After\n", + "\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 3, + "metadata": {}, + "source": [ + "Example 15.11, Page number: 304" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "# Variable declaration\n", + "import sys\n", + "i = 1\n", + "j = 1\n", + "\n", + "# Calculation and result\n", + "print ('Starting\\n')\n", + "sys.stdout.flush()\n", + "print ('Before divide...')\n", + "sys.stdout.flush()\n", + "i = i / j\n", + "print ('After\\n')\n", + "sys.stdout.flush()" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Starting\n", + "\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Before divide...\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "After\n", + "\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
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