Java - Principle of automatically detecting devices in LAN

There is a device with a network interface. After it is plugged into the router of the LAN, if the default configured IP and gateway of the device are not in the same network segment as the current network, the device can be scanned and discovered through the tools provided by the manufacturer, and ...

PHPz 2017-05-17 10:01:07 0  2  749

How to set the website root directory

How to set up and modify the website and directory

矢车菊 2018-12-18 17:43:57 0  0  1089

How to set up server2008 r2 firewall to allow external access? [Please ask teachers for answers]

Configuration: phpstudy 2018 Integrated apache5.6.27+MYSQL system: windows server2008r2 {Tencent Cloud Server} Local: 1272.0.0.1 Port 80,; website stand-alone debugging completed; advanced firewall settings, new inbound rules, individually open 80, 443, 3306; website configuration Domain name resolu...

我是不高兴 2019-03-30 23:57:30 0  3  1154

Network - Docker for Mac container IP configuration problem

Host Mac related information {code...} Docker for Mac related information {code...} Create macvlan network and container {code...} Enter the container to view network information {code...} Problem: Unable to do so within the container Internet access, and is there something wrong with broadcast 0.0....

大家讲道理 2017-06-05 11:08:30 0  1  1212

PHPcurl, a dedicated network interface

I have a (webserver) server with two network interfaces. The first is a standard interface for public internet connections and the other is a virtual VPN network interface. Now I want to send POST data via curl on other web services inside the VPN network. How can I say that the php there must use t...

P粉521697419 2023-11-08 20:01:46 0  1  695

android - When the network loading data is filled into the control, the size of the control is the default size, and it will change to the size I set only after I click it.

After loading the network data, use the handler to pass the data to the main thread, and then populate the control. But when the data is loaded for the first time, the size of the control that loads the data is not set by me. It seems to be the default size. Only when I click once will the control b...

某草草 2017-05-16 13:31:14 0  1  652

Can PHPstudy installed in windows be accessed from the external network? How to set it up?

Help: Can PHPstudy installed on Windows be accessed from the outside? How to set it up? , I want to use WeChat applet to access the database on PHPstudy, how to set it up? Help: Can PHPstudy installed on Windows be accessed from the outside? How to set it up? , I want to use WeChat applet to access ...

枫。 2019-03-16 08:12:22 0  2  2178

android - After loading back from the network, the style of the control is wrong.

The viewpager I set is large in the middle and small on both sides. However, when the first network request came back, the one in the middle was the same size as the one on the right. I've put it in a child thread, but it still doesn't work. I hope God will answer. . . {code...}

PHP中文网 2017-05-16 13:25:00 0  1  621

http - Python bolck download file, what is the best setting?

I have not studied the basics of the network. Generally, python download files are {code...} to download large files. But how much should this buffer_size be generally set to? 8192? 1024?

世界只因有你 2017-06-12 09:22:41 0  1  702

Can't set a value in a web form using "value='foo'", but entering the value manually is OK?

I tried setting the value of several fields in a web form using something like document.getElementsByName('form[493202]')[0].value="Foo" If I do this in the browser console the field will be Updated, but if I then manually click on the field it reverts to the old value. The old values ​​we...

P粉863295057 2023-09-13 15:56:10 0  1  493

After the computer adopts static IP Internet access mode, the site set by phpstudy fails.

The company changed the network, and now each computer has a fixed IP set to access the Internet. However, after setting it up, the sites in phpstudy no longer work. Does anyone have a solution? What is the reason?

jiyutr 2018-07-30 11:03:34 0  2  1044

node.js - node installation without network status

When there is no network (the Linux machine has no network and can only use the LAN), what should I do if the node module downloaded from the previous project is directly copied to the specified directory and cannot be used? Is there any recommended alternative?

天蓬老师 2017-05-16 13:35:54 0  1  540

xp.cn cannot be opened. Is it a problem with my network?

xp.cn cannot be opened. Is it a problem with my network? xp.cn cannot be opened. Is it a problem with my network? xp.cn cannot be opened. Is it a problem with my network? xp.cn cannot be opened. Is it a problem with my network?

zjjsn 2022-03-29 18:16:59 0  2  1109

How to set the image size?

Where to set the image size in the web page

手机用户1615817770 2021-09-15 17:05:18 0  2  941

javascript - About the setting and priority of web page favicon

There are two known methods of setting favicon for web pages: 1. {code...} 2. Prevent favicon.ico in the root directory of the website. Both methods are effective when used separately. Currently, the root directory of the website http://localhost:8080/favicon.ico already has charts and has taken eff...

PHP中文网 2017-05-19 10:44:29 0  1  517

apache - Are websites no longer equipped with anti-hotlink protection?

I looked at several websites, including Meituan Waimai, Zhaimi, and 59store. I tried it and the pictures can be stolen: And the pictures of Ele.me cannot be stolen. I am not a hotlinker, and I despise this kind of behavior. I would like to ask if websites are so arrogant nowadays? No more hotlinking...

怪我咯 2017-05-16 16:59:20 0  2  632

Set the web page to be opened on non-localhost and open it using www and other methods.

Set the web page to open on non-localhost, and use www and other methods to open the web page I am writing on my computer. I can only open the web page through localhost to see the effect. I cannot preview it through www. web page name. I am using phpstudy 2017 version. , PHP is 7.0.12, please give ...

张雷(雷) 2017-11-07 11:39:16 0  1  1192

javascript - js determines whether the user's network can access the Internet?

How does the front end determine whether the user's network can access the Internet? Because some users cannot have an internal network without an external network, so if they want to detect those who cannot access the Internet, they can cancel the connection to the external link. Can anyone with ex...

女神的闺蜜爱上我 2017-07-05 10:51:37 0  9  1021

android - textview occupies the default size after getting network data and filling it, and the content will not be wrapped until clicked.

When I get the data from the network, the data will not be wrapped after filling it into the textview! This picture is not given to the textview, this is text.` <TextView {code...} This picture is set to the textview, But the effect of the package was not achieved before clicking. The first o...

phpcn_u1582 2017-05-16 13:26:57 0  3  749

javascript - Determine user network environment

Please tell me how to use js to determine whether the user's network is useful? That is, I want to determine whether the user can use the external network? And make sure he has access to the Internet? God, please help me. . .

阿神 2017-07-05 11:07:13 0  3  1104