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hadoop vs Storm
首先整体认识:Hadoop是磁盘级计算,进行计算时,数据在磁盘上,需要读写磁盘;Storm是内存级计算,数据直接通过网络导入内存。读写内存比读写磁盘速度快n个数量级。根据Harvard CS61课件,磁盘访问延迟约为内存访问延迟的75000
网络存储 - 局域网中文件共享方案介绍(Windows 2016 版) - 部门多用户共享文件夹权限高级设置(网上邻居共享,设置共享文件夹和打印机)srz
https://blog.51cto.com/mcmvp/1542453
实现MQTT协议 - 实现MQTTnet Clinet并接入Home Assistant  - MqttAutoDiscovery
实现MQTT协议 - 实现MQTTnet Clinet并接入Home Assistant  - MqttAutoDiscovery
Integrating Roxy Fileman with TinyMCE in ASP.NET Core(iaspnetcore.com)
Integrating Roxy Fileman with TinyMCE in ASP.NET Core
nopcommerce 4.5.x tinyMCE configuration
nopcommerce 4.5.x tinyMCE configuration
Ubuntu access publish/wwwroot' is denied
Ubuntu access publish/wwwroot' is denied
NopCommerce 4.x - SaveAttribute
NopCommerce 4.x - SaveAttribute
login error (iaspenetcore)
The error "BsonSerializationException: An error occurred while serializing the CustomerGuid property of class Nop.Core.Domain.Customers.Customer: GuidSerializer cannot serialize a Guid when GuidRepresentation is Unspecified" indicates that the MongoDB C# driver is encountering a GUID (Globally Unique Identifier) that does not have a specified representation during serialization. This typically happens when the driver needs to know how to store the GUID in MongoDB, but the default or configured GuidRepresentation is Unspecified.
【原创】如何为mongodb的集合增加一个新字段、查找、删除某个值的记录、更改字段类型((mongodb 命令))
如何为mongodb的集合增加一个新字段、查找、删除某个值的记录、更改字段类型
mongodb c#集合增加一个新字段、查找、删除某个值的记录、更改字段类型(mongodb 命令)
新增字段 "ShippingAddress" : null, { "_id" : ObjectId("5f5c388909b35204ce080f12"), "Appid" : "", "AuthorOpenid" : ""