Table of Contents Problem symptoms: problem analysis: in conclusion: Solution: expand: Problem phenomenon: A very strange bug was discovered during project development today: As shown in the figure, I executed a sql query in the database with “dept_id = 1712651046956421123” as the condition, but the query result showed: dept_id is 1712651046956421122. At that time, I […]
Tag: hid
Archive & Transformation [04] QR code operation entrance setting details & interactive grid after automatic refresh setting & content hiding
Because there is no data in the database, I cannot view the setting effect, so I created a test data table to test the demo. — QR code operation entrance settings create table JM_QR_CODE ( QR_CODE_ID NUMBER generated as identity primary key, SYSTEM_ID NUMBER(20) not null, IS_ENABLE NUMBER(1), OPERATION_NAME NVARCHAR2(64), DESCRIPTION NVARCHAR2(255), ENTRY_URL NVARCHAR2(255), AUTH_RANGE […]
Display, hide and close the QT interface window (widget)
Qt program is packaged into executable exe_qt is packaged into executable program_zlpng’s blog-CSDN blog Weston Window Management (2)-CSDN Blog Complete implementation of Qt custom control dashboard_qt dashboard_Maverick Cat A’s Blog-CSDN Blog [Qt Study Notes] Qt implements custom control SwitchButton switch button – Simple Book Qt touch screen QTouch or mouse implementation map zoom, eagle eye […]
[Encode text into image gray level] Encoded in ASCII and mixed with gray level bits to hide the text string into the lowest bits of image pixels, making it inconspicuous Research (Matlab code implementation)
Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Matlab code implementation […]
Three major concepts of C++ should be distinguished – overloading, hiding (redefinition), and overwriting (rewriting)
Table of contents 1. Overloading **(1) Concept: **In the same scope; the function name is the same, the parameter list is different (the number of parameters is different, or the parameter type is different, or the number of parameters and the parameter type are different), the return value type can be the same But it’s […]
Jest unit testing: a little hide and seek with the code!
Hi, fellow coders! In this golden October, the National Day overlaps with the Mid-Autumn Festival, and we have a special task – to find the mysterious “Mid-Autumn Cake” of the code through Jest unit testing! It’s a simple and fun adventure, as easy as looking for the moon at a Mid-Autumn Festival party. Let us […]
How to implement mtk tablet computer to simulate HID mouse
1. Linux USB HID gadget driver (1 Introduction The Linux HID gadget driver provides a way to emulate a USB Human Interface Device (HID). Basic HID handling is done in the kernel, and HID reports can be sent and received through the character device /dev/hidgX. For more details about HID, see http://www.usb.org/developers/hidpage/ (2) Configuration g_hid […]
[Encode text into image gray level] Encoded in ASCII and mixed with gray level bits to hide the text string into the lowest bits of image pixels, making it inconspicuous Research (Matlab code implementation)
Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Matlab code implementation […]
ns2 wireless LAN transmission simulation–hidden node
1. Introduction to related content: “Hidden terminal” and “exposed terminal” are classic problems in wireless network conflict avoidance. This experiment uses the NS2 network simulator to test and analyze the hidden node problem. Hidden node problem 1. Hidden nodes Hidden nodes refer to nodes that are within the coverage of the receiving node but outside […]
Selenium hidden browser features
Selenium hidden browser features Selenium Features 1.CDP 2. stealth.min.js 3. undetected_chromedriver 4. Operate the opened browser 4. Common ways to hide Selenium features 4.1 Modify navigator.webdriver flag 4.2 Change user-agent 4.3 Exclude or turn off some Selenium-related switches 4.4 Code display 4.5 Summary Selenium features When we use Selenium to crawl web pages, if we […]