error lvalue required as left operand of assignment

An understanding of the Left value "lvalue" and Right Value "rvalue" Original address: http://bbs.chinaunix.net/viewthread.php? Tid = 749505 & Read the post"Hello" is of the const char *?I found that many of my friends have incorrect understanding

Lvalueness is an important attribute of expressions in C/C ++. Only one left-value expression can be used to reference and change the value of an object. (In some cases, the right value expression can also be referenced (refer) to an object, and the

Http://www.cnblogs.com/dejavu/archive/2012/09/02/2667640.html#commentform left and right values, L-value and R-valueIt has been assumed that the lvalue is the value that can appear to the left of the assignment expression (the side of an assignment

Move semanticsCompletion of the transfer of ownership, when the copy construction and assignment construction, the target object ownership must be handed over to our new object, the original object will lose ownership, the _p pointer will no longer

Copy control operations: copy constructor, copy assignment operator, move constructor, move assignment operator, destructor.The hardest part of implementing copy control Operations is to first recognize when these operations need to be defined .

BasisOperators are divided into unary, two, and ternary operators depending on the number of operands, the same symbol may represent different operators, and the meaning of the specific symbol is determined by context. A generic operand can be

Http://allchange.blog.sohu.com/156456875.htmlSIDE EFFECT (side effects) and sequence points (sequence point) sharingWhen the execution sequence runs to certain specific areas called sequential points, all the side effects that were previously

Now, the reader must be eager to write programs to allow actual interaction between the computer and the outside world. We do not want the program to only work as a typist and display fixed information contained in the program code. Indeed, the

Previous wordsThere are 46 operators in JavaScript, in addition to the arithmetic operators, relational operators, bitwise operators, and logical operators already described earlier, there are many operators. This article describes the conditional,

Some of the basic knowledge of common test points of personal summary, the great God do not spray, welcome correction.1. The footer of a generalized table is a table of elements that are left behind when the header is dropped, and the header can be