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The book continues from the above. The previous article introduced the slightly simple synchronous fifo, and then began the more complex asynchronous fifo. 1. Difference between synchronous fifo and asynchronous fifo   When there is only one clock in the design, whether all registers use the same one, there will be no transmission speed ...

Three kinds of timed tasks are based on principle Spring boot configuration timing tasks mainly include Spring Schedule, TimeTask provided by JDK and third-party quartz framework SpringBoot starts a scheduled task, which is mainly divided into the following two steps: The Scheduled task method needs to be annotated with @ ScheduledConfig ...

[From] Author: Su Fang Links: https://subingwen.cn/cpp/autotype/ Source: Big C who likes programming Many new features have been added to C++11, such as the ability to use auto to automatically derive the type of variable and the ability to combine decltype to represent the return value of a function. Using new features allows us to write simpl ...

1. Preparatory knowledge 1.1 filtering, kernel and convolution The filter is an algorithm for calculating a new image I '(x,y) from an image I(x,y) according to the region near the pixel x,y. The template specifies the shape of the filter and the composition law of the values of pixels in this area, also known as "filter" or &qu ...

Catalog Random inversion matrix describe Example Tips Method: Array Mapping Random inversion matrix describe You are given a binary matrix of m x n, and all values are initialized to zero. Please design an algorithm to randomly select one that satisfies   Subscript of matrix[i][j] == 0   (i, j) and change its value to 1. Th ...

Previous results: There are two problems in this project: 1. State when ImageView uses mixed images_ The checked attribute setSelected(true) is invalid in the code. The specific reason is not found So I used state_ This attribute is replaced by pressed However, there was another problem. Pressing the button would change color. After releasi ...

1. What are the built-in types in JS?Seven. They are boolean, number, string, object, undefined, null and symbol.2. Is NaN an independent type?no NaN is of type number.3. How to judge which type?Object.prototype.toString.call(), returned as [object Type].Now let's verify it.Object.prototype.toString.call(NaN); // "[object Number]" Object.protot ...

STM32 controls PCA9685 to generate 16 PWM waves to control SG90 steering gear If you can click this article, it shows that you already know how powerful PCA9685 is. NXP originally made this chip to provide led use. In its official documents, you can see that all PWM outputs are written with LED, but PWM waveform can not only control a simple L ...

git Git has three states, and your file may be in one of them: committed, modified, and staged. Therefore, the concept of three working areas of GIT project is introduced: git warehouse, working directory and staging area configuration information View configuration # View configuration information $ git config user.name $ git config user.emai ...

1. What are the classifications of streams in Java? (1) Flow direction: generally divided into input and output streams Input stream: For example, System.in is an InputStream type input stream Output stream: For example, System.out is a PrintStream type output stream (2) From the reading type: generally divided into byte stream and character st ...