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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...东西，所以把自己实战的步骤记录下来以备忘。我们看看如何一步一步搭建这个东东。
一、mongodb单实例。这种配置只适合简易开发时使用，生产使用不行，因为单节点挂掉整个数据业务全挂，如下图。
虽然不能生产使用，...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
I'm trying to connect to my MySQL DB with the Terminal on my Apple (With PHP).
17 Answers
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MySql server startup error 'The server quit without updating PID file '
On Snow Leopard, starting MySQL gives the following error:
50 Answers
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Error Dropping Database (Can't rmdir '.test\', errno: 17)
Basically, I was taught on how to create a root password using the "mysqladmin -u root -p password" command, this was done all through the windows command editor. Now, the next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;"
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How to access remote server with local phpMyAdmin client?
...tch between the servers.
more Details: http://sforsuresh.in/access-remote-mysql-server-using-local-phpmyadmin/
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String.Join method that ignores empty strings?
...it's even simpler, since you can do it in SQL directly:
PostgreSQL & MySQL:
SELECT
concat_ws(' / '
, NULLIF(searchTerm1, '')
, NULLIF(searchTerm2, '')
, NULLIF(searchTerm3, '')
, NULLIF(searchTerm4, '')
) AS RPT_SearchTerms;
And even with the glori...
C#连接有用户名密码验证的MongoDB - 更多技术 - 清泛网 - 专注C/C++及内核技术
C#连接有用户名密码验证的MongoDBMongoDB连接字符串格式如下：mongodb: [username:password@]hostname[:port][ [database][?options]]使用MongoVUE输入用户名密码能够连接M...MongoDB连接字符串格式如下：mongodb://[username:password@]hostname[:port][/[database][?option...
How can I connect to MySQL in Python 3 on Windows?
I am using ActiveState Python 3 on Windows and wanted to connect to my MySQL database.
I heard that mysqldb was the module to use.
I can't find mysqldb for Python 3.
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...户名
可选：用于身份验证的用户名。
UserPasword - 用户密码
可选：用于身份验证的用户密码。
SSL/TLS：服务器身份验证
使用 受信任的证书文件 和 信任库文件 属性设置服务器身份验证（使用 SSL/TLS 协议）。
受...
支撑Github的开源技术 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...取服务状态等，在2013年的QCon北京中，Giuthub的工程曾针对如何使用Hubot做运维进行过分享：《ChatOps at GitHub》。
d3
d3是使用JavaScript实现的数据可视化框架，使用HTML、SVG和CSS等，在d3的基础之上发展处诸如crossfilter、NVD3.js等一...