non scalar

See some of these hints in the PHP error log: [27-aug-2011 22:26:12] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on line 14 [27-aug-2011 22:26:18] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on

Preface: Definition:The concept of singular and plural: Scalar is a single thing. perl uses scalar (the simplest data type in perl) to call a single thing. For most scalar values, it is either a number or a string composed of characters (perl does

User-defined FunctionsWhen using SQL Server, in addition to its built-in functions, it allows the user to define functions as needed. A user-defined function can be divided into three categories based on the type of the value returned by the

Several common scalar functions, the simplest of which is to use scalar functions through the class selectabs (-123. Abs: This function returns an absolute number expression. For example, abs (-123); adddate: This function adds the timestamp or

Today, when testing the PHP program, there is an error message: Cannot use a scalar value as an array, this error prompted a few days ago, it seems like a little tune a bit better, did not delve into, today but appeared again. Can not fool, to find

Today, when testing the PHP program, there is an error message: Cannot use a scalar value as an array, this error prompted a few days ago, it seems like a little tune a bit better, did not delve into, today but appeared again. Can not fool, to find

Learning Perl 4ed Reading Notes Chapter2 scalar data1. Numbers. All data (INT, float) is of the double type in Perl. Of course, sometimes Perl also uses integer to represent int internally, because this can improve the running speed of the program,

See some of these hints in the PHP error log: [27-aug-2011 22:26:12] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on line 14 [27-aug-2011 22:26:18] PHP Warning:cannot use a scalar value as an array in/www/hx/enjoy.php on

The definition section mainly defines variables and constants, and the syntax is as follows: DECLARE Virablename [CONSTANT] dataType [NOT null][:=|default exp or value]; The following guidelines should be followed when naming variables or

I. Question proposal We know that an n-dimensional vector A and a scalar K can perform scalar multiplication to obtain vector B --B = Ka So, if we only know the vectors a and B of the two collinearity, how can we find K --K = B/a =? Ii. Solution