check string length

Reprint: http://blog.csdn.net/a19881029/article/details/7902701Problem Description:Inserts a string type of data into a VARCHAR2 (64) Type field in the Oracle database, the program uses String.Length () to verify the length of the data, and if the

Problem Description:Inserts a string type of data into a VARCHAR2 (64) Type field in the Oracle database, the program uses String.Length () to verify the length of the data, and if the data is in plain English, there is no problem, but if the data

I heard that textwatch can be used to listen to the length of the string entered in edittext, but I don't know how to use it.Hope someone else can give me some advice.Public void oncreate (bundle savedinstancestate ){Super. oncreate

Php functions (encryption and decryption, random string, truncated string length, forced download, etc) Function encryptdecrypt ($ key, $ string, $ decrypt ){ If ($ decrypt ){ $ Decrypted = rtrim (mcrypt_decrypt

--Count The length of stringSelectLENGTHB ('SELECT * from Scott.emp') asCountted_by_byte, Length ('SELECT * from Scott.emp') asCountted_by_char fromdual;--for some character encoding, the length () and the LENGTHB () are same in 中文版--feature to

function Encryptdecrypt ($key, $string, $decrypt) { if ($decrypt) { $decrypted = RTrim (Mcrypt_decrypt (mcrypt_rijndael_256, MD5 ($key), Base64_decode ($string), MCRYPT_MODE_CBC, MD5 (MD5 ($ Key)), "12"); return $decrypted;

1) String manipulationstrcpy (P, p1) copy stringstrncpy (P, p1, N) copies the specified length stringStrcat (P, p1) Append stringStrncat (P, p1, N) append a specified length stringStrlen (p) Take string lengthstrcmp (P, p1) compare stringsSTRCASECMP

1) String manipulationstrcpy (P, p1) copy stringstrncpy (P, p1, N) copy the specified length stringStrcat (P, p1) Append stringStrncat (P, p1, N) append specified length stringStrlen (p) Take string lengthstrcmp (P, p1) comparison stringSTRCASECMP

Php performance optimization: using isset () to determine the string length is faster than strlen. How can I determine the length of a string in php? Many people think of strlen () mb_strlen () functions first. However, in terms of program

1) String manipulationstrcpy (P, p1) copy stringstrncpy (P, p1, N) copies the specified length stringStrcat (P, p1) Append stringStrncat (P, p1, N) append a specified length stringStrlen (p) Take string lengthstrcmp (P, p1) compare stringsSTRCASECMP