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| -- clean up. | |
| drop table if exists persons; | |
| drop function if exists entry_person(text, integer); | |
| -- initialize. | |
| create table persons ( | |
| name text | |
| ,age integer | |
| ); |
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| <?php | |
| function from_json($filename) { | |
| if(!file_exists($filename)) { | |
| throw new Exception($filename.' not found.'); | |
| } | |
| $json_text = file_get_contents($filename); | |
| if(!$json_text) { | |
| throw new Exception('Failed read '.$filename); | |
| } | |
| $json = mb_convert_encoding($json_text, 'UTF8', 'ASCII, JIS, UTF-8, EUC-JP,SJIS-WIN'); |
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| #include <stdio.h> | |
| int main(void) | |
| { | |
| int i = 0; | |
| const unsigned char text[] = "test\0"; | |
| while(text[i] != '\0') { | |
| printf("%02X\n", text[i]); | |
| i++; |
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| #include <algorithm> | |
| #include <iostream> | |
| #include <string> | |
| int main() | |
| { | |
| std::string text = "abcde"; | |
| std::string copy_text = ""; | |
| std::copy(text.begin(), text.begin()+3, std::inserter(copy_text, copy_text.begin())); |
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| { | |
| "test_save_ok": { | |
| "expected": true, | |
| "data": [ | |
| ] | |
| }, | |
| "test_save_ng": { | |
| "expected": true, | |
| "data": [ |
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| def to_2dimentional_list(arr, row_no, col_no): | |
| res = [] | |
| offset = 0 | |
| for row in range(0, row_no): | |
| res.append(arr[offset:col_no+offset]) | |
| offset = offset + col_no | |
| return res | |
| a = [1,2,3,4,5,6] |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Practice AJAX</title> | |
| <script type="text/javascript"> | |
| function do_ajax() { | |
| var req = new XMLHttpRequest(); | |
| var result = document.getElementById('result'); | |
| req.onreadystatechange = function() | |
| { |
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| #include <iostream> | |
| int main() | |
| { | |
| char c = 0x05; //Binary: 00000101 | |
| for(int i = 0; i <= 2; i++) { | |
| std::cout << (unsigned int)((c >> i) & 0x01) << std::endl; | |
| } | |
| return 0; | |
| } |
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| #include <iostream> | |
| #include <stdexcept> | |
| #include <sstream> | |
| #include <string> | |
| #include <vector> | |
| typedef struct { | |
| std::string text; | |
| char delimiter; | |
| } data_t; |
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| # -*-coding: utf-8 -*- | |
| import os | |
| import json | |
| def read_json(filename): | |
| if not os.path.isfile(filename): | |
| raise FileExistsError("[error] {0} not found.".format(filename)) | |
| with open(filename) as f: | |
| return json.load(f) |