connection精品文章

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  TCP Connection Reuse on HTTP/1.1 and 2.0

  ...g. So I decided to make a demo or an example for better understanding. TCP Connection Reuse When I saw the TCP connection reuse, I had a lot of questions in my head. For instances, how do I know i...

  k00baa 2019-08-23 17:11 評論0 收藏0
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  ThreadLocal實現(xiàn)原理

  使用場景 假設(shè)我們有一個數(shù)據(jù)庫連接管理類： class ConnectionManager { private static Connection connect = null; private static String url = System.getProperty(URL); public static Connection openConnection() { ...

  Cobub 2019-08-19 11:43 評論0 收藏0
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  wait、notify實戰(zhàn)之實現(xiàn)連接池

  ...，一直循環(huán)。 代碼實現(xiàn) 首先我們有一個空實現(xiàn)的連接類Connection @Data static class Connection { private String connectionName; public Connection(String connectionName) { this.connectionName = connectionName;...

  fuchenxuan 2019-08-16 17:17 評論0 收藏0
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  JDBC【PreparedStatment、批處理、處理二進制、自動主鍵、調(diào)用存儲過程、函數(shù)】

  ... //模擬查詢id為2的信息 String id = 2; Connection connection = UtilsDemo.getConnection(); String sql = SELECT * FROM users WHERE id = ?; PreparedStatement prepare...

  YFan 2019-08-15 14:14 評論0 收藏0
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  從 async_call_method() 開始探索

  ...我發(fā)現(xiàn)了它是如何實現(xiàn)了 mysql 的異步操作。 tormysql.client.connect() ... def connect(self): # 入口函數(shù) # 設(shè)置 future 占位符 future = Future() # 定義回調(diào)函數(shù) def on_connected(connection_future): if conn...

  light 2019-07-30 14:28 評論0 收藏0
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  tornado 源碼分析 之 異步io的實現(xiàn)方式

  ...ture 對象,以便在函數(shù)外部增加別的 callback fetch_impl def _connection_class(self): return _HTTPConnection def _handle_request(self, request, release_callback, final_callback): self._connecti...

  xiangzhihong 2019-07-24 18:04 評論0 收藏0
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  php多進程插入數(shù)據(jù)(pcntl 學習筆記二)

  ... $child[] = $pid; } else if ($pid == 0) { $link = mysqli_connect(localhost,root,root,yii2advanced); $start = ($i-1)*$per + 1; $end = $start + $per; for($...

  CoyPan 2019-06-27 16:03 評論0 收藏0
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  Laravel學習筆記之Query Builder源碼解析(上)

  ...有一個Manager類，主要實現(xiàn)了容器實例化，DatabaseManager和ConnectionFactory的實例化 Connectors 里面包含了四種DB的鏈接器：MySQLConnector,PostgresConnector,SQLiteConnector,SqlServerConnector，是主要的組件之一，用來CRUD時鏈接對應的DB Console 該文...

  Steve_Wang_ 2019-06-27 14:41 評論0 收藏0