The pit of null and 0 comparison - Code World

The pit of null and 0 comparison

Others 2021-03-03 09:38:04 views: null

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Origin blog.csdn.net/weixin_38230961/article/details/108141373

The pit of null and 0 comparison

Comparison of null and "" in java

== will loosely judge the null value ' ' and the value 0 as equal, and js will step on the pit record

MySql numeric string comparison of the pit

Java Short type comparison of the pit

Huge pit! 10000-null is equal to null

mybatis pit null value of Integer

The difference between 0 and "" and null the

Difference between NULL and 0

Java pit encountered: Comparison of Long type

Mybatis judges that the string in if is equal to the pit encountered in the comparison

Comparison of floating point numbers with '0'

Comparison of variables of type double and 0

Java in comparison with the empty string to null String

Comparison and difference between null and undefined in javascript

The value of the null column does not participate in the comparison

JavaScript stepped pit (3) Analysis of undefined and null

The pit of str='\0' in C++

Assigned to 0 or null, and the difference is not assigned

Comparison of C language data types with "0 value"

The pit of Integer auto-boxing in java Integer comparison cannot be used ==

SQL string and the number is equal to null the comparison determination logic

+ comparison with instanceof typeof compared with each other with various undefined null value

0 difference (the empty string), Null, Empty, and to Nothing

MYSQL bulk field is inserted null values 0

php中0，null,false,true,‘‘比较

XIII elaborate NULL God caused the pit, people keep track

Those years, we stepped on the pit, SQL null value in the trap!

Difference [435] NULL '\ 0' 0 language like C

2-0-B / B + tree index file comparison

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