Bits精品文章

• 

  php + redis + lua 實(shí)現(xiàn)一個(gè)簡單的發(fā)號(hào)器（2）-- 實(shí)現(xiàn)篇

  ... 先上代碼吧，然后再慢慢分析 class SignGenerator { CONST BITS_FULL = 64; CONST BITS_PRE = 1;//固定 CONST BITS_TIME = 41;//毫秒時(shí)間戳 可以最多支持69年 CONST BITS_SERVER = 5; //服務(wù)器最多支持32臺(tái) CONST BITS_WORKER =...

  iOS122 2019-07-01 12:45 評(píng)論0 收藏0
• 

  重磅重構(gòu)開源 讓H5標(biāo)簽代替C++實(shí)時(shí)解碼播放speex壓縮協(xié)議的音頻文件 【IM的福音】

  ...對(duì)音頻數(shù)據(jù)進(jìn)行壓縮編碼要經(jīng)過如下步驟： 定義一個(gè)SpeexBits類型變量bits和一個(gè)Speex編碼器的內(nèi)存指針變量enc。 調(diào)用speex_bits_init(&bits)函數(shù)初始化bits。 調(diào)用enc = speex_encoder_init(&speex_nb_mode)函數(shù)初始化enc。其中speex_nb_mode是SpeexMode類...

  curried 2019-08-23 17:58 評(píng)論0 收藏0
• 

  [LintCode/CC] Update Bits [Merge Bits]

  ...umbers, N and M, and two bit positions, i and j. Write a method to set all bits between i and j in N equal to M (e g , M becomes a substring of N located at i and starting at j) Notice In the funct...

  KnewOne 2019-08-14 15:21 評(píng)論0 收藏0
• 

  分布式id生成方案概述

  ...節(jié)表示的進(jìn)程ID 3個(gè)字節(jié)表示的計(jì)數(shù)器 snow flake算法 個(gè)64 bits的唯一long型的ID，使用其中41bit作為毫秒數(shù)，10bit作為機(jī)器編號(hào)，12bit作為毫秒內(nèi)序列號(hào)。IdWorker +---------------+----------------+----------------+ |timestamp(ms)42 | worker id(10) | seque...

  Terry_Tai 2019-08-16 10:42 評(píng)論0 收藏0
• 

  [LeetCode] 191. Number of 1 Bits

  Problem Number of 1 BitsWrite a function that takes an unsigned integer and returns the number of ’1 bits it has (also known as the Hamming weight). Example For example, the 32-bit integer 11 has bina...

  gitmilk 2019-08-16 12:31 評(píng)論0 收藏0
• 

  LeetCode[191] Number of 1 Bits

  LeetCode[191] Number of 1 Bits Write a function that takes an unsigned integer and returns the number of ’1 bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11 has bin...

  Scliang 2019-08-14 15:00 評(píng)論0 收藏0
• 

  由parseInt 引發(fā)的問題---想到浮點(diǎn)運(yùn)算精度丟失---看透js number 的 encod

  ... * 2^e s 是符號(hào)位，表示正負(fù)，由 1 bit m 是小數(shù)位，由 52 bits e 是指數(shù)位， 由 11 bits 64位表示雙精度浮點(diǎn)數(shù)，可以表示 2^64 - 2^53 + 3 種數(shù)值 這些數(shù)中包括 number 所包括的各種類型（NaN , infinity, 浮點(diǎn)數(shù)），這些數(shù)值是怎么在 64bits ...

  hightopo 2019-08-22 14:52 評(píng)論0 收藏0