CountDownLatch and CyclicBarrier usage scenarios

I believe that every Java developer who wants to know more about multi-threaded development will encounter CountDownLatch and CyclicBarrier. You also see various introduction principles, codes, and their differences (for interviews) on the Internet, but they rarely can explain clearly: What are their functions, how to use them, and those scenarios? Why do you always meet in an interview? This article combines scenarios to deepen your understanding. CountDownLatch is a synchronous auxiliary class that allows one or more threads to…

AMD is embarrassed! Win 11 updates the minimum configuration requirements and supports multiple old Intel processors

windows11

In June, Microsoft announced the new system Win 11, but the minimum system requirements standard can probably be understood to support the latest processors of Intel’s eighth generation or above, while AMD supports the latest processors of Zen2 or above, but today Microsoft updated The minimum system requirements actually support multiple models of Intel’s seventh-generation processors. AMD is embarrassed! Win 11 updates the minimum configuration requirements and supports multiple old Intel processors From the updated list, the specific models of…

Buy 128G or 256G for mobile phones?

For ordinary people, 512G/1TB is too big. It is estimated that the mobile phone will not be used up when it falls apart. So, 128GB and 256GB, why do I suggest you use the latter?   First of all, friends will consider this issue, and there is no particularly large demand for mobile phone storage space. If they have a particularly large demand, they will definitely consider between 256G and 512G, precisely because of the demand for storage space. The…

How good is Bell Labs?

Bell Labs is the invention of many major inventions such as transistors, lasers, solar cells, light-emitting diodes, digital switches, communication satellites, electronic digital computers, cellular mobile communication equipment, long-distance television transmission, simulation languages, sound movies, stereo recordings, and communication networks. birthplace. Since 1925, Bell Labs has obtained more than 25,000 patents, and now, on average, it has obtained more than three patents every working day. The mission of Bell Labs is to create, produce and provide customers with innovative technologies…

After two months of heavy use, the iPhone 12’s downsides, just downsides

1, the signal is poor, compared to my previous glory significantly worse, our company is bigger, because the machine signal itself is not so good, and the glory, and use it every time, but in the 12 signal of good, I understood the glory glory is basically can’t use 12 certainly can’t use, can glory will use 12 can’t use, one signal.   2. Poor battery life. The battery life of 12 should be about 20% weaker than my previous…

Here’s the inside scoop on whether apple’s iPhone 13 will use an underscreen fingerprint

According to the latest news, Apple is currently testing the underscreen fingerprint technology in the iPhone 13 series, which has been very mature in the Current Android phones, so many Apple fans expect the new iPhone 13 series will be equipped with the underscreen fingerprint to increase the technology of the phone, but the latest insider information shows that, Apple’s iPhone 13 will not use an underscreen fingerprint, disappointing apple fans again. Here’s the inside scoop on whether apple’s iPhone…

Why does the Android phone become more sluggish when used?

android

“My phone has just been bought for a year, why is it getting more and more lagging?” I don’t know what you think when you see this sentence in front of the screen, but there are indeed many friends around me who have complained to me about this matter, and most of the users are It’s Android. Why is that? In fact, this cannot be entirely blamed on the mobile phone. A large part of the reason is due to…

What products will Apple release this fall?

Apple’s new products

Apple’s new products in autumn A few days ago, Bo News Agency reporter Mark Gurman reported that Apple plans to hold multiple events this fall. Including the release of the new iPhone, Apple Watch, updated AirPods, improved iPad mini and redesigned MacBook Pro. What products will Apple release this fall? Reports show that the first press conference in autumn will be held in September, which will bring new iPhone, Apple WatchS7 and ‌AirPods‌ 3. The new entry-level iPad and possible…

What’s the blockchain?

blockchain

Many friends have asked me a question, what is blockchain? I have also talked about some blockchain content on and off before, and the concentration is not too strong. Today, let’s talk about blockchain alone and explain it thoroughly. Then you understand that blockchain and various digital assets, cryptocurrencies, are really two different things. Some random concepts and financial products under the banner of blockchain will not fool you. First of all, let’s make it clear that blockchain is a…