2017年10月17日 · The network layers use abstraction and encapsulation. The lower layers encapsulate the higher layers. The Application layer can have its own protocols, e.g. HTTP. HTTP communicates with HTTP on the target device, and it is a …

2024年11月2日 · I want to store and scan my log data. The row key consists of a timestamp and an ID，like id-timestamp.I want to avoid full table scanning and hotspot issues by using this rowkey.

2020年4月2日 · P.S., If you're still learning to write multi-threaded code, then you should just stay away from volatile, except maybe in certain simple, well-known use-cases like, where one thread runs until some other thread sets a volatile bool time_to_stop flag.

2012年11月6日 · I think my question is the simplest question on this site. Nevertheless i couldn't solve it. Now, i have a html like bottom. Elements have to be shown side by side. However output is like in pic...

Let's imagine that we are having "cars" table with such a simple structure... car_id INT color ENUM('black','white','blue') weight ENUM('light','medium','heavy') type ...

2021年7月18日 · I'm reading about the Java volatile keyword and have confusion about its 'visibility'. A typical usage of volatile keyword is: volatile boolean ready = false; int value = 0; void publisher() { ...

2021年3月19日 · Here is a way to proceed making an assumption about how you defined your diagonal lines. First create reproducible data and get the quantiles:

2017年11月22日 · I'm having a difficult time getting this to work. I pretty much have the HTML able to display. I'm new to Javascript, I don't know how to make it work. Specifically the quantity multiplier, addi...

2017年12月15日 · When a given image with lines is passed to OpenCV's HoughLine transform, it returns a list of rho and theta pairs, each pair defining an individual line. What is the order in which lines are listed...

2014年1月8日 · Order matters, as does orderliness. the "conda search" command helps you figure which package is likely to be your bottleneck. To address speed issues for solving complex conda environments, I have used Mamba.