fmod

Copy CodeThe code is as follows: The algorithm of sub-database sub-table function calc_hash_db ($u, $s = 4) { $h = sprintf ("%u", CRC32 ($u)); $h 1 = intval (Fmod ($h, $s)); return $h 1; } for ($i =1; $i { echo calc_hash_db ($i); echo

Let's look at an example first. $res = 16244799483;echo $res% 9999999;The output is-5069794, the correct result should be 4801107 In fact, this is a bug in PHP. The main thing is that PHP is a weakly typed language. He built a machine to judge the

　　Mobile application classification, in the face of many opponents, mobile game break through the siege, has become one of the basic entertainment activities in our daily life. As a result, more and more developers are beginning to devote themselves

Update once a day and retrieve different categories in a cycle of three days. please advise me to edit the import rules at the end of this post by AspDelphi from 2013-07-1811: 34: 01: the following 10 sets of images with the highest clicks in China

Definition and usageThe abs () function returns the absolute value of a number.SyntaxAbs (x)*/$ Abs = abs (-3.2); // $ abs = 3.2$ Abs2 = abs (5); // $ abs2 = 5$ Abs3 = abs (-5); // $ abs3 = 5/*Definition and usageThe ceil () function rounds up to

Uniform Distribution (uniform distribution)Generate random variable X, which conforms to the uniform distribution unit (a, B) with the parameter (a, B), and its probability density distribution function is:F (x) = 1/(B-A), a F (x) = 0, x is other On

In addition to the default % modulo, the math library of C ++ also has a template function float fmod (float _ x, float _ y), which is used to modulo floating point numbers. % Can only modulo int There is also a MODF Function Float MODF (float _

Character Processing functionsThis category function is used to process a single character, including the character category test and case-insensitive conversion of characters. Header file ctype. h Function list <>Function category function

ArticleDirectory Add a sound using xact Use xact to add a sound overview This chapter will further discuss xact. Xact is short for Microsoft's cross-platform Audio creation tool. It allows you to create audio projects for Windows and

1. trigonometric FunctionsDouble sin (double); sineDouble cos (double); cosineDouble Tan (double); tangent2. Inverse trigonometric functionDouble asin (double); the result is between [-PI/2, PI/2].Double ACOs (double); the result is between [0,

When an alarm is triggered using a local notification, the local notification is accurate to seconds. The second part of the time must be omitted during implementation. I thought of the following method, and it was quite concise. The promotion can

In my personal opinion, it is simpler than nsdatecomponents. After a simple test, there is no problem. If you have any questions about the test, please provide your feedback. Nsdate * olddate = [nsdate date];Nstimeinterval interval = olddate.

Mathematical functions1.abs (): Absolute value$abs = ABS (-4.2); 4.2 Numeric Absolute number2.ceil (): Into a method to take the wholeecho ceil (9.999); 10 floating point number in one rounding3.floor (): Rounding off the Rounding methodecho Floor (9

Intrinsic Functions (DirectX HLSL)The following table lists the intrinsic functions available in HLSL. Each function had a brief description, and a link to a reference page that had more detail about the input argument and re Turn type.

[+] Overview The C language function manual is also known as the C standard library. The C standard library consists of functions, type definitions, and macros declared in 15 header files, each representing a range of programming capabilities. It is

On the internet to see someone said Avplay can play streaming media, then take over to use, and found that anyway it is to the MP3 cache after the completion of the play, the audio long to wait, for the M4A format is better, MP3 is not, and this

PHP Common function Summary mathematical function 1.  ABS (): the absolute value $abs = ABS (-4.2); 4.2 Numeric value Absolute number 2.  Ceil (): Take the whole echo ceil (9.999) in one method; 10 floating-point number into a whole 3.  Floor (): To

Although the PHP language is powerful, but does not mean that it has no shortcomings, in the process of writing code will encounter some headache problems. Below we will introduce you to the solution of PHP integer return negative numbers. Let's

The header file wants users to provide a collection of functions that can be used for general mathematical calculations. function Description Sample ceil (x) up to complete ceil (9.2) =10.0

Sort | Array when you use the FileSystemObject object to get a list of files in a directory, do you find that you can't control how they are sorted, such as by name, by extension, by file size, and so on, let's try to sort them out by array. If you