å ¥åããããã¹ãä¸ã«ã次ã®ãããªãã¿ã¼ã³ãç¾ããããåè§ã¹ãã¼ã¹ï¼â ï¼ãæ¿å ¥ããã åè§è±æ°åã1ã¤ä»¥ä¸ä¸¦ãã§ããâ æ¥æ¬èªæåã1ã¤ä»¥ä¸ä¸¦ãã§ãã æ¥æ¬èªæåã1ã¤ä»¥ä¸ä¸¦ãã§ããâ åè§è±æ°åã1ã¤ä»¥ä¸ä¸¦ãã§ãã ã¨ããã§ãæ¬ã·ãªã¼ãºã®ããã°ã©ã ã¯å é¨ã®ããã¹ãå¦çã UTF-8 ã§è¡ãããã«ãã¦ããã®ã ãããUnicodeï¼å¤ä»æ±è¥¿ã®ããããæåãåé²ãã§ç´¹ä»ããããã«ãUTF-8 ã®ãã¼ã¹ã¨ãªã£ã¦ãã Unicode 㯠JISã³ã¼ã ã¨éã£ã¦æ¼¢åã®ç¯å²ãæå®ãã«ããã ä¸æ¹ãPHPã®æ£è¦è¡¨ç¾ã¯ãUnicode æåããããã£ã¨ãã¦ãããããªã¨ã¹ã±ã¼ãã·ã¼ã±ã³ã¹ãå°å ¥ããã¦ããã ãã¨ãã°ã \p{Han} ã¯æ¼¢å1æåã«ã\p{Hiragana} ã¯å¹³ä»®å1æåã«ã\p{Katakana} ã¯ã«ã¿ã«ã1æåã«ããããããããããã ããã§ãåé ã®ãã¿ã¼ã³ã®ãããã³ã°ã«ã¯ãUnicode
After years of usage, your WordPress database can contain weird characters, be filled with data you donât need anymore, and so on. In this article, you will learn about SQL queries to clean up your WordPress database. Two things to note: First, any of these queries should be preceded by a backup of your whole database. Secondly, donât forget to replace the wp_ table prefix by the prefix used on yo
è¤æ°ã«ã©ã ã§ã¦ãã¼ã¯ãã¼ãä½ãããã¨ããéè¤ãããã¨ã¨ã©ã¼ã«ãªã mysql> ALTER TABLE hoge ADD UNIQUE (a,b,c); ERROR 1062 (23000): Duplicate entry 'aiueokakikukekoaaaaa' for key 2 IGNOREãã¤ããã¨ãéè¤ããã«ã©ã ã¯æåã®åã ãæ¡ç¨ããã¦æ£å¸¸çµäºãã mysql> ALTER IGNORE TABLE hoge ADD UNIQUE (a,b,c); Query OK, 225165 rows affected (52.52 sec) Records: 225165 Duplicates: 1385 Warnings: 0 ã²ã¨ã¤ã®ã«ã©ã ã«ã¦ãã¼ã¯ãã¼ãä½ãããã ããªããéè¤ã¬ã³ã¼ããåé¤ãã¦ãã¾ãã°å¤§ä½åé¡ãªã DELETE FROM hoge WHERE a in (SE
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}