This Is the Thing I Envy Most About Windows
It's the longevity of these applications, even more so than the sheer quantity released, that I most admire about Windows. You can attempt to run a PC game you purchased in the 90s, and there’s a real chance it could still function.This might seem tr
Jul 09, 2025 am 01:33 AM
How to enable Ultimate Performance mode in Windows 10?
The UltimatePerformance mode for Windows 10 is enabled via the command line and is only available for high-performance devices. 1. First, run powercfg-l through the administrator command prompt to confirm whether the mode already exists; 2. If not, you can use the powercfg-duplicatescheme command to manually add it; 3. After adding, switch to this mode through the power option or command; 4. Pay attention to high power consumption, high heat generation and noise issues when using it. It is recommended to use it only when extreme performance is required.
Jul 09, 2025 am 01:33 AM
What is GRUB (Grand Unified Bootloader)?
GRUB is a multi-system boot management tool that is used to load and select the operating system kernel when booting. It works in three stages: Stage1 loads the boot sector code, Stage2 loads the complete program and configuration files, and finally loads the kernel into memory and hands over control. Common features include support for multi-system selection, multiple file systems, command line boot, and configuration customization. Common problems such as missing boot menu or GRUB command line appears after deleting Linux, which can be solved by repairing boot or modifying the configuration. Daily maintenance is recommended to run update-grub or grub-mkconfig after update and reserve the /boot partition for improved stability.
Jul 09, 2025 am 01:29 AM
5 Open-Source Alternatives to Adobe Acrobat for Editing Your PDFs
Part of the LibreOffice suite, which serves as a reliable alternative to Microsoft Office, Draw is technically not a PDF editor. It is primarily a vector graphics editor. However, it offers several functionalities that enable manipulation of PDF file
Jul 09, 2025 am 01:28 AM
What is the purpose of the /etc/hosts file?
The /etc/hosts file is used to map hostnames to IP addresses as a local manual substitution or supplement to DNS. It is checked first when the system connects to the hostname and can be used for local development, website blocking, and DNS change testing. 1. It achieves local control over domain name resolution by taking priority over DNS in the system search order; 2. Typical uses include pointing localhost to 127.0.0.1 or pointing custom domain names to local IP; 3. Common application scenarios include local development and testing, blocking specific websites and rehearsing DNS changes; 4. Editing requires administrator permissions, and format specifications should be followed to avoid errors.
Jul 09, 2025 am 01:27 AM
How to allow a program through Windows Firewall if it's being blocked?
If the program cannot work properly due to being blocked by the Windows firewall, it can be solved by adding allowed exceptions. 1. First confirm whether the program has been blocked, check whether there is a network access error message or check the list of allowed applications in the Windows Security Center. 2. Enter the firewall settings through the Control Panel or Windows Security App and select "Allow apps to pass through the firewall". 3. If the program is not in the list, click "Change settings" and select "Allow other applications", browse and add the program's .exe file, and check the "Dedicated" and "Public" network types at the same time. 4. If the problem still exists, you may need to check whether the correct executable file is selected, whether there are multiple program versions, or whether third-party security software interferes with the rules. Pro
Jul 09, 2025 am 01:26 AM
What is the difference between blue-green deployment and canary release?
Blue-greendeploymentandcanaryreleasearetwostrategiestoreduceriskduringsoftwareupdates.Blue-greendeploymentusestwoidenticalenvironments,switchingtrafficfromtheold(blue)tothenew(green)oncevalidated,ensuringzerodowntimeandeasyrollbackbutrequiringmoreres
Jul 09, 2025 am 01:20 AM
How to fix 'File History doesn't recognize this drive' in Windows?
Theerror"FileHistorydoesn'trecognizethisdrive"inWindowstypicallyindicatesthatFileHistorycannotusetheselecteddriveforbackupsduetoissuessuchasincorrectformatting,leftoverdatafrompreviousbackups,orpermissionproblems.
Jul 09, 2025 am 01:11 AM
How to enable Clipboard History in Windows 11?
To enable the clipboard history function of Windows 11, first press Win I to open "Settings", then click "System" and select "Clipboard", and then turn on the "Clipboard History" switch. This function can save up to 100 copies of content, only supports text and simple formats, and does not support pictures. After opening, you can use Win V shortcut keys to quickly paste entries, which are suitable for multi-task operation scenarios such as writing reports, programming and debugging. Clipboard history is only available locally by default, and cross-device synchronization needs to be achieved with the help of Office suite or third-party tools.
Jul 09, 2025 am 12:56 AM
What is the Prometheus Query Language (PromQL)?
PromQL is a language used in Prometheus to query time series data. Its core lies in filtering, aggregating and transforming data through indicator names and tags. 1. It supports directly entering the indicator name to view the relevant time series; 2. Use tag filtering such as {job="node-exporter"} to narrow the range; 3. Provide functions such as rate() to handle incremental counters; 4. Distinguish between real-time vectors (such as up) and range vectors (such as rate() required); 5. Can be used to calculate request rate, error rate and aggregate data across instances, such as avg() by (instance). Mastering PromQL helps build monitoring dashboards and set alert rules.
Jul 09, 2025 am 12:54 AM
How to access the advanced startup options in Windows 11?
The most direct way to enter the advanced startup options of Windows 11 is through the "Recovery" menu in the system settings. 1. Open the "Start Menu", click "Settings" → "System" → "Recover", and click "Restart Now" next to "Advanced Start" to enter the advanced startup interface; 2. Or run the command prompt as an administrator, enter the shutdown/r/o command to force restart to enter the interface; 3. If you need to enter safe mode, you need to select "Troubleshooting" → "Startup Settings" → "Restart" in the advanced startup interface, and then press the numeric keys 4 or F4 to enter. These three methods are suitable for general operations, remote or command line preference users, and scenarios where safe mode is required. It is recommended to use graphical interface operations first, command behavior
Jul 09, 2025 am 12:51 AM
How to fix 'Reboot and select proper boot device' error in Windows?
When you encounter the "RebootandSelectProperBootDevice" prompt, it is usually because the computer cannot find the boot device. 1. First check whether the hard disk is recognized by the motherboard, enter the BIOS to check whether the hard disk exists. If it is not recognized, check the connection between the SATA cable and the power cable, or adjust it to the first boot item; 2. If the hard disk is normal but the boot record is damaged, use the Windows installation USB disk to enter the command prompt to run bootrec/fixmb, bootrec/fixboot, bootrec/rebuildbcd in turn to repair the boot; 3. Confirm that the boot mode (UEFI/Legacy) in the BIOS matches the system installation mode, and you can use ms
Jul 09, 2025 am 12:46 AM
How to find my private and public IP address in Linux?
In Linux systems, 1. Use ipa or hostname-I command to view private IP; 2. Use curlifconfig.me or curlipinfo.io/ip to obtain public IP; 3. The desktop version can view private IP through system settings, and the browser can access specific websites to view public IP; 4. Common commands can be set as aliases for quick call. These methods are simple and practical, suitable for IP viewing needs in different scenarios.
Jul 09, 2025 am 12:37 AM
How to run a program as administrator in Windows?
There are three methods to run a program as an administrator. First, right-click the program icon and select "Run as administrator", which is suitable for temporary privilege hikes; second, modify the program shortcut properties and check "Run under administrator privileges" to automatically start as administrator each time; third, create a new task through the task manager and check the option to tick up the privilege, which is suitable for debugging or system failures.
Jul 09, 2025 am 12:37 AM
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