MySQL: ERROR 1040: Too many connections
This basically tells that MySQL handles the maximum number of connections simultaneously and by default it handles 100 connections simultaneously.
These following reasons cause MySQL to run out connections.
Slow Queries
Data Storage Techniques
Bad MySQL configuration
I was able to overcome this issue… Read More
Linux vi/vim
所有的 Unix Like 系统都会内建 vi 文书编辑器,其他的文书编辑器则不一定会存在。
但是目前我们使用比较多的是 vim 编辑器。
vim 具有程序编辑的能力,可以主动的以字体颜色辨别语法的正确性,方便程序设计。
相关文章:史上最全Vim快捷键键位图 — 入门到进阶
什么是 vim?
Vim是从 vi 发展出来的一个文本编辑器。代码补完、编译及错误跳转等方便编程的功能特别丰富,在程序员中被广泛使用。
简单的来说, vi 是老式的字处理器,不过功能已经很齐全了,但是还是有可以进步的地方。 vim 则可以说是程序开发者的一项很好用的工具。
连 vim 的官方网站 (http://www.vim.org) 自己也说 vim 是一… Read More
1. Bigcommerce API Client
PHP client for connecting to the Bigcommerce V2 REST API.
To find out more, visit the official documentation website: http://developer.bigcommerce.com/
项目地址:https://github.com/bigcommerce/bigcommerce-api-php
下载:https://github.com/bigcommerce/bigcommerce-api-php/archive/master.zip
克隆:https://github… Read More
phpmyadmin报错:
Some errors have been detected on the server! Please look at the bottom of this window.
[Ignore All] [Ignore]
This is the output when [users] table has been clicked: (but it shows the records at the top) this is found at the bottom===>
`Notice in ./libraries/dbi/DBIMysqli.class.php#522
Undefined offset: 245
Backtrace
./libraries/Dat… Read More
做一个文本文件做测试:
Given below is content of file called test. Absolute path is /tmp/test
This is a test
for sed command
to be performed
on test server
Hello World
How do you do
本教程使用两种模式:We are using two methods in this tutorial
模式一: 使用‘d’ 删除 ,Method 1 : By using ‘d’ command i.e for delete
模式二: 使用‘p’ 打印, Method 2 : By using ‘p’ command i.e for print
SED… Read More