Programmer Group

Current Limiting Algorithms Counter Current Limitation Fixed window sliding window Barrel current limiting Token Bucket Leaky bucket Counter Counter current limiting can be divided into: Fixed window sliding window Fixed window The current limitation of fixed window counter is simple and clear, that is, to limit the number of requests ...

The use of JavaFX tag control was introduced earlier. It was mentioned that Label text supports Chinese fonts. What Chinese fonts does it support? Naturally, it depends on which fonts are installed in the current operating system. For the Chinese Windows system, the default installation is "SimHei" in bold, NSimSun in Song, Fang Song ...

c++ controls the color of font output _____ The default text color for the output box of a C++ console program is white, so I often refer to its output box as a black and white box.However, this text style is not fixed, it can change the color of the ...

Preface The source code involved is frameworks\base\services\core\java\com\android\server\policy\PhoneWindowManager.java vendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\screenshot\TakeScreenshotService.javavendor\mediatek\proprietary\packages\apps\SystemUI\src\com\android\systemui\screenshot\GlobalScreenshot.java The ...

os module In the os module, there are many methods, some are related to directories, some are related to system files and so on. It encapsulates the API written by C language on linux operating system, such as creating files, creating directory API ...

Go language built-in runtime (runtime), abandoned the traditional way of memory allocation, changed to autonomous management, initially based on tcmalloc, although the later changes are relatively large. Using autonomous management can achieve better memory usage patterns, such as memory pools, pre-allocation, etc., thus avoiding the performanc ...

Recently, in the process of learning C++ I learned about multithreading, and found that "mutex lock" is very useful. I want to realize it, but I am not familiar with linux system, so I can only try to implement it on windows with the help o ...

Icon fonts contain symbols instead of numbers and letters.In Web technology, icon fonts dominate over other image formats.Because they are vector graphics, they are small and easy to load, so users can zoom up and down without compromising quality.But the only limitation is that a single icon can only be drawn in one color. I'm sure every litt ...

SOCKET Scoket: Program-to-program communication is like people using [telephones] to communicate, and programs using [SCOKET] to communicate. SOCKET, commonly known as socket, is used to describe [IP address] and [port], and is the handle of a commu ...

1. First Identity GUI 1.1. What is a GUI GUI is the abbreviation of Graphical User Interface.In the GUI, there are input text, return text, images such as windows, buttons, and keyboard and mouse operations.A GUI is a different way than a program ...