perl floor function

Not a new knowledge, but for a small white like me, if you can find an early morning to summarize the experience from the actual combat, will not be busy today only drink two glasses of water (well, bold but cautious thick skin is my life motto ╭ (╯^

MYSQL database function set I. mathematical functionsABS (x) returns the absolute value of x.BIN (x) returns the binary value of x (OCT returns octal, HEX returns hexadecimal) CEILING (x) returns the smallest integer greater than x. EXP (x) returns

A, math function ABS (x)    return x Absolute Value BIN (x)    return x binary (Oct return octal, Hex returns hexadecimal) CEILING (x)    returns the minimum integer value greater than x EXP (x)    return value E (the base of natural logarithm)

Why is PHP a concentration camp? one day I chatted with the boss of a great startup company in DUMBO and talked about why non-PHP developers generally despise the PHP and PHP communities. He put forward a point of view that impressed me a lot

Win8 ( x64 ) under Compile htk3.4.1 Reference Tutorial: HtkbookHttp://htk.eng.cam.ac.uk/download.shtml Windows Compiled htk3.4 Dummies tutorialHttp://wenku.baidu.com/link?url=qNDgSxipOLK3wFNBd7GSzzlay9SMatcgUtE_

PHP Core Knowledge Essentials, PHP core points PHP: scripting language, website building, server-side running PHP Definition: A server-side HTML scripting/programming language, is a simple, object-oriented, interpreted, robust, secure, high

2nd chapter, using JavaScript in HTML HTML introduces external JS script should not be placed between scripts because it will not be executed tag has a defer property that can delay script execution, but does not guarantee

For example, you want to implement the function. Input the timestamp "1400000000". Return format: 2015-01-01PHP implementation: date (& quot; Y-m-dH: I: s & quot;, & quot; 1400000000 & quot ;); what about javascript implementation ?? For example,

From WIN2000 to win XP, to WIN2003, the increase in server security for MS IIS (Microsoft Web server platform) is obvious. In WIN2000, a normal PHP (as the current mainstream development language) shell can crush it; At win XP, even if safe mode =

The hash algorithm of PHP core technology and best practice The hash algorithm of PHP core technology and best practice The hash table is also called the hash list, which accesses the record by mapping the keyword key to a location in the array to