Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
Eight practical ways to solve Spark data skew
What is data skew?
For distributed big data systems such as Spark/Hadoop, the large amount of data is not scary; what is scary is data skew.
For dis...
I saw on the Internet that "after the battery is disconnected, the power of the mobile phone is provided by the charger. At this time, the battery is in a dormant state, neither charging nor dischargi...
[i=s]This post was last edited by yangjiaxu on 2019-1-16 23:49[/i] I have been so depressed these past two days. I have not been able to log in to the Rapid IOT Studio online development environment. ...
[i=s]This post was last edited by Xiaotaiyangyy on 2021-8-11 14:49[/i]The silk screen on it says 96 TI. Is this from Texas Instruments? Why can't I find it?Because it is not clear, I re-uploaded...
Author: Huang Gang, member of YiBo Technology ExpresswayFrom the simulation results of the previous article, a pair of differential lines can indeed control impedance well by returning to each other. ...
Hello everyone, I would like to ask a question. When I was programming, I wanted to add the ADC example of the esp32 low-level driver code to my project, but as soon as I added this example to my proj...
Recently, the well-known battery manufacturer Contemporary Amperex Technology Co., Ltd. (CATL) announced that its all-solid-state battery R&D team has expanded to more than 1,000 people and officia...[Details]
The TPS2000B Series Isolated Channel Oscilloscopes offer an extensive set of features within an oscilloscope while providing familiar, easy-to-use controls and menus. The TPS2000B series uses Isolate...[Details]
It seems that many netizens are confused about the concepts of sink current and source current. Let me explain this below. I hope that you will not be troubled by this after reading this articl...[Details]
High-frequency signal generator, also known as high-frequency oscillator or high-frequency oscillation circuit, is a device that converts industrial frequency power supply into high-frequency signals...[Details]
When testing hardware circuits, we often encounter some problems that are easy to ignore and difficult to detect. However, we must face up to the existence of these problems and find ways to reduce or...[Details]
I. Introduction The key code for jpg decompression in this article comes from a blog: https://blog.csdn.net/u012372584/article/details/50618739 If you want to understand the jpg decompression c...[Details]
IoT application solution providers can now easily change mobile network operators remotely with Avnet's new GSMA 3.2 eUICC (embedded universal integrated SIM) product family. Developed in conjunction...[Details]
1 Introduction The measurement of nonlinear distortion generally uses the fundamental wave suppression method (single tone method), which can be achieved through the fundamental wave suppression netw...[Details]
For iOS 13 users, Apple has added a very useful feature in the iOS 14 system update, which may attract more old users to upgrade. Judging from the details of the latest update, the new version of the...[Details]
1 Main content
1.1 Purpose and significance of the project
Gas chromatograph is a precision instrument with a wide range of uses. It is widely used in petroleum, chemical industry, pesticide, pub...[Details]
On May 16, according to an announcement released on the website of the State Administration for Market Regulation, Tesla (Shanghai) Co., Ltd. recently filed a recall plan with the State Administratio...[Details]
Microprocessor architectures with multithreaded or multicore CPUs have evolved significantly over the past few years. They are now standard in desktop computers and are also very common in CPUs for t...[Details]
There is no IIC communication resource in the previous MCS-51 series microcontrollers. So if you want to use the 51 microcontroller to realize IIC communication, you can only simulate its timing thro...[Details]
As
intelligent driving
technology develops rapidly around the world,
the automotive industry
is experiencing a huge transformation.
Autonomous driving
, as the core part of ...[Details]