content length 0

http://blog.csdn.net/ssdsafsdsd/article/details/8234736In standard C and C + +, arrays with a length of 0 are forbidden. However, in GNU C, there is a very strange usage, that is, an array of length 0, such as array[0]; many people may find it

Original Link: http://www.cnblogs.com/dolphin0520/p/3752492.htmlIn standard C and C + +, arrays with a length of 0 are Forbidden. however, in GNU c, There is a very strange usage, that is, an array of length 0, such as array[0]; many people may find

In fact, I saw this in LINUX as early as I saw it. Later I also saw something similar in the MFC memory pool. I also wrote a similar small memory pool according to MFC, (MFC uses return this + 1) later, I saw a similar definition in Li xianjing's

Text length exceeds a certain amount, then truncation shows "more" Click to see the rest of the content, not super not show Text length more than a certain amount, then truncated display "More" click to see the rest of the content, do not display JS

In fact, very early in the look at Linux to see this thing, and later in the Li Xianjing "System programmer growth Plan" saw a similar definition, so in mind to summarize, the results found that the online has been a good summary of cattle, and then

This paper introduces the key length, clear text length and ciphertext length that must be taken into account in RSA plus decryption, and for the first time developers of RSA, RSA is a more complicated algorithm, and the complexity of RSA is because

1. The most austere practice of violence.voidCal1 () {inti =0, j =0, num =0; intResult[m]; result[0] = rand ()% N;//The first one is definitely not repeated, just add it in. for(i =1; i //Get the remaining (M-1) random number{num= rand ()%

What is the maximum length of int (11), and what is the maximum length of varchar in MySQL?　　What is the maximum length of int (11)?In the SQL statement, int represents the type of field you want to create, int represents an integer, and 11

if the setting in an item is varchar (So, of course, the English isSo what about Chinese?Utf-8 in Chinese is 3 bytesSo, does this varchar (50) have only 16 characters to save? No, this is the case with MySQL, but not after 5.0.MySQL varchar (50)

0 length refers to the definition of an array, specifying its length as 0 (such as int arr[0];), such an array does not occupy the actual space, but can be accessed through the array name to the address it points to. As shown in the following