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The difference between j2ee and springboot

The main differences between J2EE and Spring Boot are architecture and ease of use. J2EE adopts a complex layered architecture, while Spring Boot adopts a monolithic architecture and integrates all components, simplifying deployment. Spring Boot is known for its out-of-the-box functionality and rich automation capabilities, whereas J2EE has a more cumbersome configuration process. In addition, Spring Boot leverages the powerful dependency injection mechanism of the Spring framework to provide modularity and testability. Spring Boot also simplifies development with automated configuration and packaging capabilities, making it better suited for modern microservices and cloud-native applications.

Apr 14, 2024 pm 09:06 PM

How to restore oracle database

The Oracle database recovery process involves: determining the type of recovery (full or incomplete); ensuring regular backups; selecting a recovery method (database file recovery, archived redo log recovery, or flashback query); preparing the recovery environment; performing recovery operations; testing and validation Recovery; restart the database.

Apr 14, 2024 pm 09:00 PM

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What are the websites with free domain names?

Free domain websites include: Freenom (.tk, .ml, .cf, .ga, .gq) Dot TK (.tk) .XYZ Registry (.xyz) Namecheap (.com free for one year) GoDaddy (.com free for one month ) Hover (.com free for one year on select plans) Crazy Domains (.com free for one year on select plans) 1&1 IONOS (.com free for one year on eligible sites) Porkbun (.xyz) Name (.com free for one year) )

Apr 14, 2024 pm 08:57 PM

What is a root server

Root servers are core components of DNS that maintain an authoritative database of top-level domain names and are used to resolve domain names into IP addresses. The root server system consists of 13 servers distributed around the world, named with the letters A to M and operated by different organizations. It is managed by ICANN to ensure the stability of the Internet and prevent domain spoofing.

Apr 14, 2024 pm 08:03 PM

Where to find mobile phone screen size

To find your phone's screen size, you can: 1. View it in the "Display" or "Screen" option through your phone's settings; 2. Use a device information app (such as CPU-Z) to find it in the "Display" or "Screen" section; 3. Use online tools such as ScreenSizes.com to search based on phone model. Screen size is expressed in inches or centimeters and refers to the diagonal length of the screen, from the upper left corner to the lower right corner.

Apr 14, 2024 pm 06:09 PM

How to check mobile phone screen size

You can check your phone screen size by measuring the screen diagonal length and converting it to inches or centimeters: Use a tape measure or ruler to measure the screen diagonal length. Divide the length by 25.4 (inches) or 10 (cm) to convert. Some phone models provide screen size information in settings.

Apr 14, 2024 pm 06:09 PM

What is the screen size of mobile phone?

Mobile phone screen ratios are usually expressed in aspect ratios. Common ratios are: 16:9: Classic ratio, wide area for watching videos and games, but may be bulkier. 18:9: Slender, immersive viewing experience, suitable for reading and browsing the web. 19:9: Further reduces black borders, suitable for full-screen videos and games, but difficult to use with one hand. 20:9: The highest ratio, extremely high screen-to-body ratio and immersion, but it is difficult to enter text.

Apr 14, 2024 pm 06:06 PM

How to repair streaks on Android phone screen

Self-healing steps for streaks on your Android phone screen: Restart your phone. Check and clean the screen protector. Replace charging cable and adapter. Check for physical damage. Enter safe mode to troubleshoot application issues. Restore factory settings (requires data backup). Contact after-sales service for professional repair.

Apr 14, 2024 pm 06:06 PM

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How to fix streaks on iPhone screen

iPhone screen streak repair method: eliminate external factors, check the screen is clean, the charging cable and charger are normal; check the display settings, turn off the "Night Shift" and "True Tone Display" functions; reset the display settings; restore factory settings; check for hardware problems , if it is cracked or damaged; contact Apple Support for diagnosis and repair.

Apr 14, 2024 pm 06:06 PM

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What is the screen size of a mobile phone at 6.6 inches?

The screen size of the 6.6-inch phone is approximately 16.76 cm. Conversion units include: 416.6 mm (approximately 16.38 cm).

Apr 14, 2024 pm 06:03 PM

What is the general size of a mobile phone screen?

The common size of mobile phone screens is 4.7-7.6 inches. The selection factors include: feel and portability: small screens are easy to operate with one hand, and large screens are more spacious; content display: large screens provide better visual enjoyment, while small screens are suitable for basic functions; battery life Capability: Large screens consume more power; Personal preference: Different users have different preferences and should choose the size that suits their needs.

Apr 14, 2024 pm 06:03 PM

How to calculate mobile phone screen size

Phone screen size is measured in inches by measuring the diagonal length of the screen in millimeters and dividing by 25.4. Common mobile phone screen sizes range from 4.7 inches to 7.5 inches.

Apr 14, 2024 pm 06:03 PM

How to measure mobile phone screen size

Use a tape measure to measure the diagonal length of your phone's screen. Divide the millimeter value by 25.4 to convert to inches to get the screen size. For example, a diagonal length of 152 mm translates to 5.98 inches.

Apr 14, 2024 pm 06:00 PM

How to repair white streaks on your mobile phone screen

The causes of white bars on mobile phone screens include: hardware problems (loose screen cables, damaged screen panels) and software problems (system failures, third-party application conflicts). Self-repair steps: Check the screen cable, restart the phone, uninstall conflicting applications, flash the phone, and professional repair. Please read the instructions carefully, operate with caution, and seek professional help if necessary.

Apr 14, 2024 pm 06:00 PM