data of measurement data of a measurement. Field is age . Target: write a CQs that aggregates the data according to the specified time (group by time ()) logic: count the point of the same age example: count the point of age=14 and age=132 i...
because InfluxDB clusters are charged. Now you are ready to use message queuing to solve the normal data Synchronize of the InfluxDB database cluster. But if a database server goes down, and then restart and start, how to recover the data and turn the da...
how does the PHP server call the returned data after the normal communication of the TCP persistent connection is successful? I have a car networking project, and now I can communicate with each car normally through gatwaywork. But now you can t just...
the template configuration file for a normal thinkphp is view_path = > template , recently discovered a content management system developed in thinkphp whose template configuration file path format is app home template . the effect of au...
follow the example of how to use virtual slide in swiper Chinese network <div class="swiper-container"> <div class="swiper-wrapper">< div> < div> <script> var mySwiper = new Swiper( .swiper-contain...
wants to add the active class to the outer dom (indicated by the arrow), but it always creates a new div and then adds class. What should I do with this? ...
I didn t find an easy way to parse JSON strings in the .NET Framework. There is something like Newtonsoft.Json, but it s too heavy, so I want to build my own wheel. for the following simple JSON string: { "error": { "code&qu...