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How do SO_REUSEADDR and SO_REUSEPORT differ?
...sts for the source address, which can be "any address" (0.0.0.0 in case of IPv4 and :: in case of IPv6). Unlike in case of ports, a socket can really be bound to "any address" which means "all source IP addresses of all local interfaces". If the socket is connected later on, the system has to choose...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...
...数，它会根据串长用malloc分配内存的，返回分配的内存首地址。
这段程序执行时输出:
Roger 20 Roger 20
Wendy 20 Wendy 30
并产生错误:
0x77D9FCAA (ntdll.dll) (prog31.exe 中)处有未经处理的异常: 0xC0000374: 堆已损坏。 (参数: 0x77DC6668)。
...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...-get install nmap
Edit Wired connection on your laptop (Ubuntu)
Change IpV4 settings to "Share to other computers"
Save the setting
Reboot your laptop
Share WiFi connection of your laptop via Ethernet crossover cable
Hook up your RPi with your laptop using the Ethernet cable
Look up the br...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...硬件还支持内部的控制指令（如设置连接密码、查询硬件地址、主模式连接其他蓝牙等）。
注意：BRTS接GND才能执行控制指令，如图：
AT开头是控制指令；非AT开头是透传数据：
这里仅演示了需求硬件状态、MAC地址的指令，...
Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
...
App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...Key
模型的Api Key。
BaseURL
DeepSeek 基础 URL，默认是官方地址，可修改接入第三方DeepSeek服务地址。
ModelName
模型名称。官方的DeepSeek-V3模型填：deepseek-chat 或 DeepSeek-R1推理模型填：deepseek-reasoner。 （注意：第三方的模型名称...
How to set HttpResponse timeout for Android in Java
...s not work, please be aware that HTTP requests, first try to find the host IP with a DNS request and then makes the actual HTTP request to the server, so you may also need to set a timeout for the DNS request.
If your code worked without the timeout for the DNS request it's because you are able to...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升
...http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会变www.jbyuan.com/nvxingjiankang/
实现访问如下：
server {
listen 80;
server_name www.test.com;
location / {
root /data/test;
index index.html;
...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升
...http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会变www.jbyuan.com/nvxingjiankang/
实现访问如下：
server {
listen 80;
server_name www.test.com;
location / {
root /data/test;
index index.html;
...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注IT技能提升
...http://www.jbyuan.com/nvxingjiankang/
方法一：
这种方法浏览器地址会变www.jbyuan.com/nvxingjiankang/
实现访问如下：
server {
listen 80;
server_name www.test.com;
location / {
root /data/test;
index index.html;
...