大约有 3,000 项符合查询结果(耗时:0.0176秒) [XML]
mqtt协议一般最大支持订阅几个主题? - 创客硬件开发 - 清泛IT社区,为创新赋能!
...,以防止滥用。Mosquitto: 轻量级的开源Broker。在其配置文件 (mosquitto.conf) 中,可以使用 max_subscriptions 参数来设置每个客户端允许的最大订阅数。默认值也是没有限制(-1),但你可以根据需要进行设置。HiveMQ: 企业级MQTT Broker...
Real World Example of the Strategy Pattern
...call
Outputting: We need to output X as a plain string, but later may be a CSV, XML, JSON, etc.
Examples
I have a project where the users can assign products to people in a database. This assignment of a product to a person has a status which is either "Approved" or "Declined", which is depende...
Parse usable Street Address, City, State, Zip from a string [closed]
...f those 10 addresses are valid.)
Here's some of the output:
And here's the CSV-formatted output of that same request:
ID,Start,End,Segment,Verified,Candidate,Firm,FirstLine,SecondLine,LastLine,City,State,ZIPCode,County,DpvFootnotes,DeliveryPointBarcode,Active,Vacant,CMRA,MatchCode,Latitude,Longitude...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...名就写www.XX.com;新建一个移动站,把phpcms v9全新的网站文件放到移动站下,移动站数据连接和PC的一样,\caches\configs\system.php设置稍微改一下,把原来PC站的域名改成移动站的域名,附件的路径除外,仍用PC站 的,如:’upload_...
“Large data” work flows using pandas
...ation itself: "If you are looking to manage a terabyte or less of tabular CSV or JSON data, then you should forget both Spark and Dask and use Postgres or MongoDB."
– Michele Piccolini
Jul 30 at 15:51
...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将包丢弃:
iptables -A LOGGING -j DROP
另可以配置syslog.conf文件,指定iptables的日志输出。
Have fun!
iptables 配置 实例
Getting individual colors from a color map in matplotlib
...he solutions from Ffisegydd and amaliammr, here's an example where we make CSV representation for a custom colormap:
#! /usr/bin/env python3
import matplotlib
import numpy as np
vmin = 0.1
vmax = 1000
norm = matplotlib.colors.Normalize(np.log10(vmin), np.log10(vmax))
lognum = norm(np.log10([.5, ...
完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题 - 更多...
...ood相关的表中catid没有更新。
解决方法:只需修改一个文件搞定 phpcms/modules/content/content.php
/**
* 批量移动文章
*/
public function remove() {...
改为:
/**
* 批量移动文章
*/
public function ...
解决:CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...于第一个
的用途,还不清楚。
3、在对话框的头文件中,添加一个CImageList对象:
CImageList m_ImageList;
4、在对话框初始化函数中,添加如下代码:
m_ImageList.Create(IDB_BITMAP1, 16,3,RGB(255,255,255));
m_Tree.SetImageList(&m_Image...
C# Xml中SelectSingleNode方法中的xpath用法(Xml节点操作最佳方式) - 更...
...ocess
2.2 查询已知相对路径的节点(集)
可使用类似于文件路径的相对路径的方式来查询XML的数据
objNode = objDoc.SelectSingleNode("Company/Department")
objNodeList = objNode.SelectNodes("../Department)
objNode = objNode.SelectNode("Employees/Employee")
...