Windows 11 can enable the taskbar clock to display seconds through settings, registry, command line, or third-party tools. 1. Turn it on in settings: Go to Personalization → Taskbar → Taskbar Behavior and turn on "Show seconds in system tray clock"; 2. Registry modification: Create a new DWORD value ShowSecondsInSystemClock under HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced and set it to 1; 3. Command line execution: Run PowerShell as an administrator and enter regaddHKCU\Softw

Chrome 131 version has a known bug in which text highlighting fails. It mainly affects websites that use TailwindCSS. It can be solved by updating to version 131.0.6778.86 or above and restarting the browser. If the problem still exists, you need to troubleshoot extensions or website style conflicts. If necessary, clear browsing data or check theme settings.

On October 9, it was reported that some iPhone 17 Pro Max users reported that when using USB-C wired charging and the device power was at 0% or 1%, the phone would make a static noise similar to a "walkie-talkie". According to relevant media reports, Apple’s official customer service responded that such current noise is normal because slight current noise may be generated during wired charging, especially during the trickle charging stage. In response to this situation, Apple customer service provided two suggestions: first, you can enter the phone's "Settings" - "Battery" - "Optimize Battery Charging", adjust the charging limit to 95% and try again; second, it is recommended to troubleshoot software problems - if noise only occurs when using a specific third-party application to play audio, it may involve a hardware abnormality.

1. QQ Browser can realize video independent playback through picture-in-picture mode. It can be enabled after entering full screen and exiting or selecting "floating window playback" through the menu; 2. You can also long press the video screen to enable floating window playback, so that the video window can be dragged freely away from the page; 3. You need to grant QQ Browser the "display on top of other applications" permission in the phone settings, and enable the "video floating window playback" function in the browser settings to ensure normal use.

1. Refreshing the DNS cache can solve the problem of web pages failing to load or domain name resolution errors. 2. Execute ipconfig/flushdns through the command prompt to clear the system DNS cache. 3. Run the command prompt as an administrator and restart the DNSClient service (netstopdnscache and netstartdnscache) to restore service functions. 4. Visit chrome://net-internals/#dns in the Chrome browser and click "Clearhostcache" to clear the browser's independent DNS cache. 5. Changing the DNS server to 8.8.8.8 and 8.8.4.4 can improve the resolution speed and accuracy.

Screen tearing is caused by the graphics card frame rate being out of sync with the monitor refresh rate, which can be solved by enabling windowed optimization, turning off full-screen optimization, setting vertical sync, calibrating the refresh rate, and turning off automatic HDR.

Error code 0x00000709 usually causes shared printer connection failure due to insufficient permissions, system update conflicts, or service abnormalities. You can use professional tools to repair it with one click, or solve this problem by modifying registry permissions, uninstalling specific updates such as KB5005569, restarting PrintSpooler and related services, and adding Windows credentials (such as IP address and guest account).

Use Thread.currentThread().getStackTrace() to get the calling class name. Stack frame index 2 corresponds to the actual caller. For example, CallerUtils.getCallerClassName() returns "Main" when the Main class is called. The SecurityManager method is faster but has been deprecated. Please pay attention to the performance overhead and the impact of the proxy framework.