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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...面各有优点。本文将选取目前最为流行的两个开源 MQTT Broker：EMQX 和 Mosquitto，从技术架构、性能、功能、社区情况等多维度进行 1v1 对比，帮助读者更加深入了解这两个产品。Mosquitto 简介Mosquitto 项目最初由 IBM 和 Eurotech 于 2013 ...
What Makes a Good Unit Test? [closed]
...t part. Recommended.)
Good Tests should be A TRIP (The acronymn isn't sticky enough - I have a printout of the cheatsheet in the book that I had to pull out to make sure I got this right..)
Automatic : Invoking of tests as well as checking results for PASS/FAIL should be automatic
Thorough: Cover...
How to convert JSON to XML or XML to JSON?
... JSON format to object or viceversa. I am not sure in the Json.NET framework, is it possible to convert a string in JSON to XML format and viceversa?
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What is “overhead”?
...ed to set up an operation. It might seem unrelated, but necessary.
It's like when you need to go somewhere, you might need a car. But, it would be a lot of overhead to get a car to drive down the street, so you might want to walk. However, the overhead would be worth it if you were going across the...
What does java.lang.Thread.interrupt() do?
Could you explain what java.lang.Thread.interrupt() does when invoked?
9 Answers
9
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How much is too much with C++11 auto keyword?
I've been using the new auto keyword available in the C++11 standard for complicated templated types which is what I believe it was designed for. But I'm also using it for things like:
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Full examples of using pySerial package [closed]
...ease show me a full python sample code that uses pyserial , i have the package and am wondering how to send the AT commands and read them back!
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How do I lowercase a string in C?
... the string and convert each character to lowercase.
Something trivial like this:
#include <ctype.h>
for(int i = 0; str[i]; i++){
str[i] = tolower(str[i]);
}
or if you prefer one liners, then you can use this one by J.F. Sebastian:
for ( ; *p; ++p) *p = tolower(*p);
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Automatic popping up keyboard on start Activity
...y it automatically focusses to the first EditText and displays the virtual keyboard.
19 Answers
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