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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...户，如此一来顶多是反应慢点，但不会崩溃。
Redis的LIST数据类型可以很自然的创建一个队列，代码如下：
<?php
$redis = new Redis;
$redis->connect('/tmp/redis.sock');
$redis->lPush('usr', <USRID>);
while ($usr = $redis->rPop('usr')) {
var_dump($u...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
... but please bear with me.
Practical Examples of Coupling in When Coding
CSV/JSON/DB Examples: If somebody wants their output in a CSV file rather than JSON etc., or if you want to switch from MySQL to PostGreSQL you should be able to make those changes extremely easily in your code, without havin...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ndir.h> header file. */
/* #undef HAVE_NDIR_H */
第二步，调整各种数据类型的定义，可能在linux下面会有很多特殊的数据类型定义，Config.h文件中也包含了一部分可以变动的数据类型定义项。这些定义一般都是基本数据类型的重定义。可...
Get MIME type from filename extension
...nsions even, like .docx and .xlsx and other important web extensions like .csv, .swf, and .air.
– Samuel Neff
Jan 2 '13 at 4:52
...
How to get the nvidia driver version from the command line?
...MI\nvidia-smi' --query-gpu=name,utilization.memory,driver_version --format=csv"
$gpuinfo = invoke-expression $cmd | ConvertFrom-CSV
$gpuname = $gpuinfo.name
$gpuutil = $gpuinfo.'utilization.memory [%]'.Split(' ')[0]
$gpuDriver = $gpuinfo.driver_version
...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...码分析：服务器端》，作为客户端使用时，会涉及到一些数据结构，easy_session_t, easy_client_t, easy_hash_t, easy_hash_list_t等。
easy_session_t用来封装一个要发出去的请求，easy_client_t用来封装一个TCP连接的发起端，easy_hash_t是一个哈希表...
Best TCP port number range for internal applications [closed]
...n order of most ports available, descending. This did not work, since the csv file has ranges marked as "Unassigned" that overlap other port number reservations. I manually expanded the ranges of assigned port numbers, leaving me with a list of all assigned port numbers. I then sorted that list a...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...快速定位应用系统性能故障：通过对应用系统各种组件（数据库、中间件）的监测，迅速定位系统故障，如发生Oracle数据库死锁等问题。
优化系统性能：精确分析系统各个组件占用系统资源情况，中间件、数据库执行效率，根...
JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
...d类、实现java.lang.Runnable接口。
先看个例子，假设有100个数据需要分发并且计算。看下单线程的处理速度：package thread;
import java.util.Vector;
public class OneMain {
public static void main(String[] args) throws InterruptedExceptio...
What's the fastest way to do a bulk insert into Postgres?
... bad worked it's class :( I Try npgsql CopyIn class, because it's like as CSV formatted mapping in PG query statement's. You can try for Big Table?
– Elyor
Sep 9 '14 at 2:03
...