true or false 0 or 1

In my past experience, if I had to decide whether to use the enum data type of mysql, I would give up ENUM () and replace it with tinyint without thinking about it, the reason is what scenarios I have used before and are suitable for use. In my past

Today would like to look at the reference C + +, and then see the online question C + + 1 is true or false? With vc6.0 is a bit, is true. vc6.0 should be non-0 is true,0 to false. Java I have also tried, if (1) This statement compilation can not

For example, the following code: $str4="php-class,mysql-class,div-css,0,dreamweaver";$s=strtok($str4,',');while($s!==false){ echo $s.""; $s=strtok(',');} while ($s ===true) {} Why can't it be displayed?True where to use it ~ ~Beginners Please

Copy codeThe Code is as follows:Function methodone (){....$. Each (array, function (){If (condition true ){Return true;}});....} There is an each in a function. If a condition in the each is true, the function returns true or false.However, you

Copy Code code as follows: function MethodOne () { .... $.each (Array,function () { if (condition set) { return true; } }); .... } In a function, there is a each, and in each case a condition is set, the function

First look at a special case: Var_dump (0 = = ' false '), returns BOOL (true), PHP determines 0 equals any string, Var_dump (0=== ' false '), returns BOOL (false), and the congruent contains type and value to be equal. Var_dump (0 = false),

ASP. NET true/false paging-true paging, asp.net true/false Paging When the data volume is too large and there are tens of thousands or even tens of thousands of pieces of data, every time you retrieve all the data from the database, the query

Http://blog.chinaunix.net/uid-28458801-id-3941112.htmlThe difference between false/true and False/true 1. The difference between false/true and false/true: False/true is a new keyword in the standard C + + language, and False/true is through #

PHP Data type, true or false? 1. are all resource types true? 2. are NULL types false? Reply to discussion (solution) All null values are treated as "false": 0, '0', '', false, null, array ()....Otherwise, it is regarded as "true" When

MFC VC + + in the database to query the table to determine whether the SQL statement execution successIf there is a return bool value of TRUE (1), if the failure returns a bool value of FALSE (0).The simple bool type code is as follows:CString