## problem Recently I wrote a tool for external `serial` communication, and found that it kept r…
For Mac OS 10.11 and above, Apple introduced SIP (System Integrity Protection) under the core for t…
## Preface With the impact of the Covid-19, the demand for audio and video has exploded in the p…
## Set SSH password-free login ``` cd ~/.ssh cp id_rsa.pub authorized_keys # Test whether a p…
## error ``` import cv2 cap = cv2.VideoCapture(0) cv2.namedWindow("newWindow") ret, frame …
## solution First you need to install node.js ![node.js](https://static-workflow.s3.amazonaws…
## 1 Problem description The installation software with the `.pkg` suffix name was manually dele…
## Uninstall CocoaPod The terminal executes the following commands ``` sudo gem uninstall co…
## Method 1, update and upgrade through brew Update brew first, the terminal executes the fo…
## cocoapods installation failed The use of `Alamofire` needs to be based on `CocoaPods`, but I …
## problem After macOS is upgraded to macOS Big Sur, when we use brew to install or update the s…
## error Use the command `sudo easy_install pip` to install `pip`, but the result fails. The com…
## solution In the virtual machine setting **usb controller**, adjust the usb compatibility from…
## error Execute `docker pull xx.xx.xx.xx/xx/xx`, and the following error is reported when downl…
## Environment * Intel x86\_64 * macOS 10.15.7 ## solution ``` export ARCHFLAGS="-ar…
The problem encountered when installing mongodb on mac today, the simple problem is that there is a…
## background install pycurl： ``` python3 -m pip install pycurl ``` and get the error …
I encountered the above problem when packaging a standalone python environment. This problem is…
Error: `pg_config executable not found. ld: library not found for -lssl` When install python psycop…
## Step1: Verify whether there are ssh keys ``` ls -al ~/.ssh ``` See if there is already a…
## error message ``` Error starting ApplicationContext. To display the conditions report re-run…
``` MacBook-Pro-2:~ liuliuwenchao$ flutter doctor Doctor summary (to see all details, run flutter…
When I used you-get in mac, I found that the video could not be downloaded, so I downloaded the sou…
[Github address of decompilation tool jadx](https://github.com/skylot/jadx) ## Install the jadx …
When using Python, some applications use Python2 and some use Python3, so you need your own system …
When using mac to install playwright, it prompts an error: ``` PermissionError: [Errno 1] Opera…
An error message is displayed when using brew to install the package: ``` Traceback (most recen…
Use sudo brew install ffmpeg ## Error message ``` Running Homebrew as root is extremely dang…
Although there are tutorials on the Internet, there are some problems encountered in the process. T…