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Do I need to heartbeat to keep a TCP connection open?
I have two components that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my comp...
Check if list contains element that contains a string and get that element
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Print all properties of a Python Class [duplicate]
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Fastest check if row exists in PostgreSQL
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Difference between single quotes and double quotes in Javascript [duplicate]
...interpretation of variable inside a string and the treatment of escape characters.
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
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App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
...并Base64化
用于基本图像处理的图像扩展。
所需权限：android.permission.READ_EXTERNAL_STORAGE、android.permission.WRITE_EXTERNAL_STORAGE
属性
返回是否隐藏警告。
设置是否隐藏警告。
方法
调整A...