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Unable to verify leaf signature
...y (by setting up CA certificates properly, as other answers have already said).
– Bruno
May 29 '15 at 21:41
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How to exit a function in bash
... -e set at the top of your script and your return 1 or any other number besides 0, your entire script will exit.
– Yevgeniy Brikman
May 6 '16 at 10:53
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Setting environment variables for accessing in PHP when using Apache
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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The && operator is a boolean AND operator: if the left side returns a non-zero exit status, the operator returns that status and does not evaluate the right side (it short-circuits), otherwise it evaluates the right side and returns its exit status. This is commonly used to make ...
_DEBUG vs NDEBUG
...ur own debugging macros (and you don't hack the compiler or C runtime), avoid starting names with an underscore, as these are reserved.
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Sending websocket ping/pong frame from browser
... implement this type of OpCode and automatic response on low level client side implementation.
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Looping over a list in Python
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ipython notebook clear cell output in code
...ait=True) will generally make the result nicer if you have clear_output inside a loop.
– Toke Faurby
Jun 8 '17 at 23:49
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...BLUETOOTH SPECIFICATION Version 4.0 [Vol 6] Part B 2.4）
LLID（逻辑链路ID）：0x01表示该数据包是一个帧的延续内容，或者这是一个空的“逻辑链路控制及适配协议”数据包；0x02表示一个“逻辑链路控制及适配协议”数据包的开始...
Java volatile reference vs. AtomicReference
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No, there is not.
The additional power provided by AtomicReference is the compareAndSet() method and friends. If you do not need those methods, a volatile reference provides the same semantics as AtomicReference.set() and .get().
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