C String To Uppercase

sprintf (PHP3, PHP4) sprintf---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Returns the formatted string syntax: String sprintf (string format [, mixed args ...]) Description: Returns a string according to format string. Lattice ...

Strtoupper (PHP3, PHP4) strtoupper---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Converts a string to uppercase syntax: String Strtoupper (String string) Description: Returns a string that is converted to uppercase by all alphabetic characters in Str. Note: Alphabetic characters are ...

Ucfirst (PHP3, PHP4) ucfirst---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Capitalize the first character of the string syntax: String Ucfirst (String str) Description: If the first character of the argument Str is a letter, it is converted to uppercase. Note: The alphabetic character is made up of the current field ...

MySQL provides standard SQL pattern matching and a format based on pattern matching of extended regular expressions like Unix utilities such as vi, grep and sed. Standard SQL Pattern Matching SQL pattern matching allows you to match any single character with "_" and "%" with any number of characters (including zero characters). In MySQL, the default SQL mode is case-insensitive. Here are some examples. Note that you can not use = or! = While you are using SQL mode, and use LIKE or NOT LIKE to compare operators ...

MapReduce: Simple data processing on large cluster

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

NoSQL Recent momentum is good, http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb is one of the Jiao jiao, oneself learn nosql when also reference a lot of information, The final decision to start from the MongoDB, the most important reason has two: 1 oneself is a simple amateur, all problems I think whether there is a simple way to solve, rather stop to think a lot of time, also do not want to use stupid method to do immediately, and Mong ...