swift-LLVM-small note 1 Compiler hurdles are unavoidable on the road of iOS development. This article first guides readers to get a general understanding of the LLVM compilation process. As for the explanation of LLVM and Clang terms, I have already given you a very complete link, so I won't paste it. The link in the article may need to go over the wall, I think this is a basic programmer skill. The topic of LLVM is nothing new anymore. The Internet, including some predecessors, has a lot of spa
Whether it is one-to-many live broadcast or one-to-one live broadcast, it is inseparable from the support of streaming media technology. It can be said that the streaming media architecture is the core architecture of any live broadcast system. Without it, any so-called "live broadcast" process cannot be realized. So what is streaming? How is the streaming media architecture implemented during the construction of the online video live broadcast system? Next, the editor will answer them one by on
Internet Commercial Bank has undergone three major technological changes. Starting from the establishment of the site, the e-commerce bank is based on the cloud computing infrastructure, using the cloud platform architecture to support business development, and the delivery model using the release package model based on the classic virtual machine. With the growth of business volume, the architecture of the three centers in the two places can no longer meet the needs of business development. It
about the author Zhang Yongxiang, the current NetEase Cloud RDS developer, continues to pay attention to the field of MySQL and database operation and maintenance, is good at MySQL operation and maintenance, and knows ID: Yannangui. An important new feature in MySQL 8.0 is the reconstruction of the Redo Log subsystem. By introducing two new data structures recent_written and recent_closed, the previous two hotspot locks are removed: log_sys_t::mutex and log_sys_t::flush_order_mutex.
Some time ago I made a windows desktop application, vue + electron, which involves screen recording and camera functions. There are very few related documents on the Internet for people in need. If the description of the article is wrong or there is a better way, please leave a message and let me know, refill ( ` ) Background introduction ** Technology involved: vue, electron, ffmpeg, node ** Two methods are compared for screen recording and camera Use HTML5 API to achieve Camera: mediaDevices (
Bank's new momentum, the application of RPA in the process of bank digital transformation With the rapid development of banking business, the banking industry is entering a critical period of transformation and innovation. It is necessary to maximize efficiency and reduce costs as much as possible, while also coping with the challenges of the highest level of security. How to effectively save costs and improve operational efficiency is the key to the success of major banks in the fierce market c
The full text is 1597 words and the expected learning time is 3 minutesImage credit: Safar Safarov, UnsplashAfter a thousand days of training, people can reach the entry level, and after 10,000 days of practice, they can reach the master level.This sentence was said by Mas Oyama, and it was summed up very well. The secret to becoming a great developer is hard work. Spending a lot of time to practice the computer, hands-on practice can help developers grow.This article introduces 7 projects that
Mobile debugging To debug the mobile terminal page on the pc, you need to do the following steps PC 1. Download the micro-channel web developer tools ; 2. Open WeChat developer tools and select mobile debugging 3. Choose a request and copy the cookie 4. Open the developer tools on the computer chrome, switch to the console and enter the following code (for authentication) document.cookie=" cookie" 5. If it is a WeChat page, you need to use chrome to simulate the user-agent of the WeChat browser.
Material Widget Library provides a variety of Widget, such as buttons RaisedButton, FlatButton, OutlineButtonetc., which are directly or indirectly RawMaterialButtonpackaged customizable, so most of them attributes and RawMaterialButtonthe same. When introducing each button, we first introduce its default appearance, and most of the appearance of the button can be customized by attributes. In addition, all the buttons in the Material library have the following similarities: When you press it, th
chrome://inspect/#devices A remote debugging command built into chrome to meet several necessary conditions for remote debugging 1. Be able to access chrome-devtools-frontend.appspot.com (the computer can \*flip\*wall, and remote debugging needs to obtain data from this connection); The blue light lantern is recommended for the over-the-wall software, which is effective in pro-testing (github search, download and install) 2. The phone turns on the usb debugging mode; 3. Allow the computer to acc