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实时开发、测试和调试工具 · App Inventor 2 中文网
...球，或调整其大小。 注释气球附加在块上带有小问号的位置，你可以单击该问号来隐藏和显示注释。 或者，你可以通过右键单击该块并选择“删除注释”来永久删除注释。 请注意，这与 Do It 命令的结果窗口是同一个窗口。
错...
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...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...明的是，需要通过配置WorkDirectory来声明状态文件的保存位置，这个状态文件被用来记录扫描日志位置等信息，PersistStateInterval被用来控制状态文件的持久化频率，测试阶段，可以把它设置的小点儿，正式阶段，出于效率的考虑，...
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...
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
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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...
Remote debugging Tomcat with Eclipse
I can't seem to debug the tomcat application through Eclipse. I've set
16 Answers
16...
How large should my recv buffer be when calling recv in the socket library
I have a few questions about the socket library in C. Here is a snippet of code I'll refer to in my questions.
6 Answers
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...s at least on person who his problem has been solved with that solution.
Tip: For the solutions that you need to change the MySQL settings, you can refer to the following files:
Linux: /etc/mysql/my.cnf or /etc/my.cnf (depending on the Linux distribution and MySQL package used)
Windows: C:**Progr...
Getting Chrome to accept self-signed localhost certificate
...sicConstraints=CA:FALSE
keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
subjectAltName = @alt_names
[alt_names]
DNS.1 = $NAME # Be sure to include the domain name here because Common Name is not so commonly honoured by itself
DNS.2 = bar.$NAME # Optionally, add additio...