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Location stuff is cool! So letâs build a system that takes a personâs latitude and longitude, and returns the location of someone nearby. Tools Iâm going to use Redis to store the locations of people connecting, and the python-geohash library, but more on that later. Redis is well suited to the task of being an index/store for matchmaking, as the data is usually transient, and therefore badly suit
â Wi-Fiã®MACã¢ãã¬ã¹ã¯ãã¯ãä½æã¨èãããããªã ç®æ¬¡ ã¾ããã ããã¾ã§ã®çµç·¯ 2ã¤ã®MACã¢ãã¬ã¹ã§èªå® ã®å ´æãç¹å®ãããå ´å SSIDã«ã_nomapãã§ãªããã¢ã¦ãï¼ PlaceEngineã¯ã©ããªã£ãï¼ ã¾ããã å é±ã以ä¸ã®ä»¶ã話é¡ã«ãªã£ãã Greater choice for wireless access point owners, Official Google Blog, 2011å¹´11æ14æ¥ Removing your Wi-Fi network from Google's map, CNET News, 2011å¹´11æ14æ¥ ã°ã¼ã°ã«ãWi-Fiãããã¯ã¼ã¯ã®ä½ç½®æ å ±åéã§å¯¾å¿çãå ¬é, CNET Japan, 2011å¹´11æ16æ¥ Google's WiFi Opt-Out Process Makes Users Navigate Technic
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å æ¥ã®ãã³ããã¼ã¯ã失æã ã£ãã®ã§ãæ¹ãã¦èªåã®ã¹ã¯ãªããã§ãã³ãã¨ãã¾ããã å¾ãid:kokogiko ããã«Geometryå à SPATIAL ã¤ã³ããã¯ã¹ã¯ã©ã¼ãã£ã¦ããã³ããããã£ãã®ã§ããã¡ããä¸ç·ã«ãã³ããã¨ãã¾ãã Geometryåã®ãã¼ãã«å®ç¾© ååã®Geohashã®ãã¼ãã«ãä¸ã¤ãSPATIALã¤ã³ããã¯ã¹ã¯MyISAMå°ç¨ãªã®ã§ããã®ãã¼ãã«ãä¸ã¤ãå¾ãInnoDBã§ã¤ã³ããã¯ã¹è²¼ã£ã¦ããªãç©ãç¨æãã¾ãããInnoDBã§no-SPATIALãªã¤ã³ããã¯ã¹å¼µã£ãç©ã試ãããã£ããã§ãããæå ã®ç°å¢ã ã¨MySQLãè½ã¡ã¦ãã¾ãã£ã½ãã®ã§ä»åã¯çç¥ãã¾ããã CREATE TABLE location ( id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, geohash VARCHAR(10) NOT NULL
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