spl vst

Hardware platform: tq2440Development environment: Ubuntu-3.11U-boot version: 2014.10This article allows reprint, please specify the source: Http://blog.csdn.net/fulinusWhen the environment variable is saved, the error is started again, the location where the environment parameter was saved is U-boot, modified as follows:#if none_flag#define config_env_addr (config_sys_flash_base + 0x070000) #define Config_env_is_in_flash#define Config_env_size 0x10000#else#define config_env_is_in

The last time you used pure PHP to implement an observer pattern (PHP watcher mode), now using PHP standard library SPL to implement the Observer mode at a time, the advantage is: randomly generate the observer you want to use! Storage = new Splobjectstorage (); } function Attach (Splobserver $observer) {$this->storage->attach ($observer); } function Detach (Splobserver $observer) {$this->storage->detach ($observer); } function Noti

(); the $it->attachiterator ($it 1); - $it->attachiterator ($it 2); - foreach($it as $v){ - Print_r($v); +}V: Fileystemiterator iterator1: Question: How to implement the LS function in Linux, how to implement the Dir function in Windows?The dir command in WindowsTwo: Code1PHP2Date_default_timezone_set ("PRC");3 $it=NewFilesystemiterator ('. ');//Create a Filesystemiterator iterator4 foreach($it as $v ) {5 printf("%s\t%s\t%8s\t%s\n",6 Date("Y/m/d h:i:s",$v->getmtime ()),//Get creat

one of the data structures: StackZhan$stack = new Splstack (), $stack->push (' data1 '), $stack->push (' data2 '), Echo $stack->pop (); Echo $stack- >pop ();data structure of the second: queueQueue$queue = new Splqueue (); $queue->enqueue (' data1 '); $queue->enqueue (' data2 '); Echo $queue->dequeue (); echo $queue->dequeue ();third of the data structure: Minimum heapZuixiaodui$heap = new Splminheap (); $heap->insert (' data1 '); $heap->insert (' data2 '); Echo $heap->extract (); echo $heap->ex

PHP SPL is missing gems

PHP Framework Development II (SPL Library and Controller)

PHP SPL provides two classes of splfileinfo and Splfileobject to handle file operations. Splfileinfo used to get file details: Copy CodeThe code is as follows:$file = new Splfileinfo (' Foo-bar.txt '); Print_r (Array (' Getatime ' = $file->getatime (),//Last accessed time' Getbasename ' = $file->getbasename (),//Get path-free basename' Getctime ' = $file->getctime (),//Get Inode modification time' GetExtension ' = $file->getextension (),//File extens

Splheap implements Iterator , countable {/* method */public __construct (void) abstract protected int compare (mixed $value 1 , mixed $value 2 )//abstract method, need to be implemented in their own class, by comparison decide whether to be big top heap or small top heap public int count (void) public mixed current (void) Public mixed extract (void) public void Insert (mixed $value ) public bool IsEmpty (voi d) Public mixed key (void) public void next (void) public void reco

This article mainly introduces the PHP SPL standard database data structure stack (splstack) Introduction, stack (stack) is a special linear table, because it can only at one end of the linear table to insert or delete elements (that is, into the stack and the stack), the need for friends can refer to the Stack is a special kind of linear table because it can only insert or delete elements at one end of the linear table (that is, the feed stack and t

This article mainly introduces the PHP SPL standard library Splfixedarray Use instance, Splfixedarray mainly handles the array related main function, it is fixed the length, is quicker than the ordinary array processing, needs the friend to be possible to refer to under Splfixedarray is mainly dealing with array-related main functions, unlike normal PHP array, it is fixed-length, and the number is the key name of the array, the advantage is more than

The PHP SPL Standard Library has a total of 6 interfaces, as follows: 1.Countable2.OuterIterator3.RecursiveIterator4.SeekableIterator5.SplObserver6.SplSubject Where Outeriterator, Recursiveiterator, and Seekableiterator are inherited from the iterator class, the following describes each interface's role and use in detail. Coutable Interface: Objects that implement the countable interface can be used for count () function counts. Copy Code co

Spl_autoload_register register the given function as _ autoload implementation official address: php. netmanualhfunction. spl-autoload-register.php my test defines three files test. phptest1.phptest2. phptest. php? Phpspl_autoload_register (autoLoad1); test1 :: Spl_autoload_register register a given function as _ autoload implementation official address: http://php.net/manual/zh/function.spl-autoload-register.php my test defines three files test. php

Introduction to the data structure stack (SplStack) of the php spl standard library Stack is a special linear table, because it can only insert or delete elements at one end of the linear table (that is, the elements going into and out of the Stack) SplStack inherits the double-stranded table (spldoublyshortlist) to implement the stack. Class Abstract: Simple use: // Think of the stack as an inverted array $ stack = new SplStack ();/*** the d

Class Maxheap extends splheap{public function Compare ($value 1, $value 2) { return ($value 1-$value 2); } Public Function Getkminnum ($arr, $k) { if (Is_array ($arr) $k > 0) { $count = count ($arr); for ($i =0; $i $heap = new Maxheap (), $arr = Array (), for ($i =0; $i ';} In this article, PHP uses the SPL standard library to get the smallest k values in the array, including the contents of the con

Instance code: predicate = $predicate; $this->path = $path; $it = new Recursivedirectoryiterator ($path); $flatIterator = new Recursiveiteratoriterator ($it);p arent::__construct ($flatIterator);} Public Function Accept () {$pathInfo = PathInfo ($this->current ()); $extension = $pathInfo [' extension '];return ($ Extension = = $this->predicate);}}? > ";}? > Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. The above des

Data structure: Stack$stack = NewSplstack ();$stack->push ("Data1\ n");$stack->push ("Data2\ n");Echo$stack->pop ();Echo$stack->pop ();Data structure: Queues$queue = NewSplqueue ();$queue->enqueue ("Data1\ n");$queue->enqueue ("Data2\ n");Echo$queue->dequeue ();Echo$queue->dequeue ();Data structure: HeapMinimum heap$heapsplminheap (); Maximum Heap//$heap = Newsplmaxheap ();$heap->insert ("Data1\ n");$heap->insert ("Data2\ n");Echo$heap->extract ();Echo$heap->extract ();Data structure: fixed-leng

Php spl standard library-Data Structure heap (SplHeap) simple use instance, SplHeap Heap is a data structure designed to achieve priority queues. It is implemented by constructing a binary Heap (a binary tree. The largest heap of the root node is called the largest heap or a large root heap. The smallest heap of the root node is called the smallest heap or a small root heap. Binary heap is also commonly used for sorting (heap sorting ).The minimum he

diagnostic and receivediagnostic. A complete SSP data packet format is defined as follows: The Code represents a better image. Typedef struct _ ssp_frame {u8 frametype;/* 0x00 */hashed_sas_address hasheddestinationsasaddress;/* 0x01 */u8 reserved04;/* 0x04 */hashed_sas_address hashedsourcesasaddress; /* 0x05 */u8 reserved08;/* 0x08 */u8 reserved09;/* 0x09 */# ifdef PPC/* POWERPC (sas1078) */u8 reserved0abits2to7: 6;/* 0x0a */u8 retransmit: 1; u8 reserved0abit0: 1; u8 reserved0bbits2to7: 6;/* 0x

SPL is the abbreviation for standard PHP library (php).

This article mainly introduced the PHP SPL standard database data structure heap (SPLHEAP) Simple Use example, this article also explained the maximum heap (splmaxheap), the minimum heap (splminheap) The correlation knowledge, needs the friend may refer to under A heap (HEAP) is a data structure designed to implement a priority queue, which is implemented by constructing a two-fork heap (a binary tree). The largest heap of root nodes is called the ma