READS精品文章

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  聊聊JDBC事務(wù)隔離級(jí)別（修正）

  ...的事務(wù)隔離級(jí)別到底會(huì)如何影響事務(wù)的并發(fā)，臟讀(dirty reads), 不可重復(fù)讀(non-repeatable reads)，幻讀(phantom reads)到底是什么概念 事務(wù) 原子性(atomicity) 事務(wù)是數(shù)據(jù)庫(kù)的邏輯工作單位，而且是必須是原子工作單位，對(duì)于其數(shù)據(jù)修改，...

  phpmatt 2019-08-14 14:35 評(píng)論0 收藏0
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  [Leetcode] Read N Characters Given Read4 用Read4 AP

  Read N Characters Given Read4 I The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example, it returns 3 if there is...

  wayneli 2019-08-14 12:36 評(píng)論0 收藏0
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  mysql實(shí)現(xiàn)nextVal功能

  ...函數(shù)過(guò)程中出現(xiàn)This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its de 錯(cuò)誤 這是我們開(kāi)啟了bin-log, 我們就必須指定我們的函數(shù)是否是1 DETERMINISTIC 不確定的2 NO SQL 沒(méi)有SQl語(yǔ)句，當(dāng)然也不會(huì)修改數(shù)據(jù)3 READS SQL DATA 只是讀取數(shù)據(jù)，...

  sixgo 2019-08-19 10:52 評(píng)論0 收藏0
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  [LeetCode] 9. Palindrome Number

  ...ine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121Output: trueExample 2: Input: -121Output: falseExplanation: From ...

  zhaochunqi 2019-08-16 13:43 評(píng)論0 收藏0
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  利用html2canvas實(shí)現(xiàn)移動(dòng)端上傳圖片生成海報(bào)

  ...at = this imageInput.addEventListener(change, function (e) { reads = new FileReader() reads.readAsDataURL(this.files[0]) reads.addEventListener(load, function (e) { ...

  Cruise_Chan 2019-08-26 13:49 評(píng)論0 收藏0
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  [LeetCode] 158. Read N Characters Given Read4 II -

  Problem The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example, it returns 3 if there is only 3 characters left i...

  周國(guó)輝 2019-08-16 13:48 評(píng)論0 收藏0