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Article Introduction: CSS No picture technology, we are writing CSS style needs to form a concept, I do not have to die without the picture technology, to the actual project to weigh the pros and cons, according to the actual situation, flexible use of no picture technology to do some reasonable and effective performance optimization. One, no picture

Ping ' an technology mobile development team Technology Weekly (Phase I) industry news 1) popular iOS network communication Library afnetworking exposure SSL VulnerabilityAfnetworking is a famous open source network library that allows developers to add network functionality to iOS and OS X programs. However, the library does not check whether the SSL certificate is issued to a legitimate domain name. This

Analysis of Ajax technology composition and core principles, and core principles of ajax technology This article mainly analyzes the composition principles of Ajax technology for your reference. The specific content is as follows: 1. AjaxFeatures:Partial refresh to improve user experience and load data from server vendors 2. Technical composition of AJaxIt is not

Talking about the implementation of Ajax technology and the refreshing of pages; talking about the ajax technology page Ajax (ajax Development) AJAX is "Asynchronous Javascript And XML" (Asynchronous JavaScript And XML), which is a Web page development technology used to create interactive web applications. AJAX = Asynchronous JavaScript and XML (subset of standa

With the development of communication technology, the relationship between transmission, reuse and exchange is getting closer and closer, so that they are gradually inseparable. In recent years, people have used the term "Transfer Mode" to describe the transmission, reuse, and exchange in the communication network. The transfer mode can be divided into synchronous transfer mode ATM) and asynchronous transfer mode ATM. ATM uses space or time-based Fixe

blown, each group of 6, A total of 24 4/3mm bundle type bundle tubes in one 40/33-mm Silicon core tube air blow 5 10/8 microtube units. The advantages of micro-tube units include: 1. simple and flexible Laying Methods: If the protection tube is a silicon core tube, a certain number of micro-tubes can be blown into the laid protection tube according to the mold Shape Based on the diameter of the protection tube. If the protection pipe is another pipe, such as a PE pipe, grid pipe, or PVC pipe

2017 latest blockchain technology, from getting started to mastering video tutorials (video + source + tools)The latest organized Blockchain technology video contains development tools, source code, video tutorials, from small white to the great God, to share to everyone to learn.Blockchain is the basic technology of Bitcoin, which is researched all over the worl

This article first quotes a few words:1. "to understand the meaning of the user, return to the user's needs ."2. "portal websites all think about how to save money rather than how to buy technology ."3. "search engines are not a field that everyone can do, and the entry threshold is relatively high ."4. "It's not good enough. The best way is to make one thing the best ." (Google's Top Ten Truths)5. &

In the previous article, we talked about the cache on the server. My Geographic Name Information System has 0.7 million pages, the process of generating this page requires me to load 5 pieces of SQL data returned from a remote database, as well as news in RSS format. Therefore, it is very difficult to generate a page, therefore, I used the server Cache Technology to significantly improve the performance. However, I encountered new problems with hard d

Multithreading technology NSThread NSOperation GCD, multithreading technology nsthread Multithreading: in iOS development, there are many problems when multithreading is used, such as refreshing the interface when downloading data asynchronously. The key to introducing multithreading to solve the problem is that using multithreading can make the interface smoother and prevent the interface from being sus

Python Basics and Crawler technologyCourse Study Address: http://www.xuetuwuyou.com/course/195The course out of self-study, worry-free network: http://www.xuetuwuyou.comCourse IntroductionAs a convenient way to collect information from the Internet and extract available information from it, web crawler technology becomes more and more useful. With a simple programming language like Python, you can crawl complex sites with a few programming skills. Pyt

Large website optimization-memcache technology, optimization-memcache technology. Large website optimization-memcache technology, optimization-memcache technology large website optimization-memcache technology memory + cache memory cache memcache introduction memcache is a d

Application and Research of AOP technology -- OOP and aop technology application -- oop1. Development of Software Programming Technology Software Programming Technology and programming language are inseparable. Over the past few decades, programming languages have continuously increased support for abstract mechanisms,

Obfuscation is currently dominant in DOTNET protection. Name obfuscation is the most basic obfuscation protection technology.The DOTNET encryption and protection tool maxtocode has also added obfuscation protection-name obfuscation in recent updates. Let's talk about name obfuscation technology,What is the significance of name confusion?In my opinion, it has only one meaning, replacing the ideographic name with a meaningless name.If we talk about ot

This article mainly gives you a detailed introduction to the development process of the soft routing technology. What exactly is the soft routing? What is its main application field? What are the defects? The following article will give you a detailed answer. With the development of China's routing industry, the application of soft routing technology is also more extensive. Here we mainly introduce the deve

Network enthusiasts always have to master the programming language, which is recommended here: Python. Here's a look at what Python technology hackers will use!Enter the group: 548377875 can get dozens of sets of PDFs Oh!Install dependent packagesMany times readers will find that the personal tools written with the Python library in the large Python community can help us get results quickly. You can install these libraries through the Personal Softwar

The interview in these days, I feel that the whole grasp of spring is still very weak. So we need to continue to strengthen.Here to explain the spring of these several aspects of the test, but the actual feeling is still wrong, this problem I think the need to really read the spring source code to say something to make sense. This kind of interview asks the law, also only is the interview the question law, to the actual grasp still has no slightest meaning. So I think there is a chance to read t

The so-called DB technology is the most commonly used to repair the map of the foreign countries ~ This method is the core of the Dodgeburn is basically derived from the previous calculation of the skin, but this will calculate the work of the constituency to the creator himself, not necessarily the curve to achieve dodge Burn requirements for color bands or mixed-mode changes whatever it is. This is a complete upgrade, especially with two black layer

The basic principle and process of fingerprint identification technology Although fingerprint identification technology has entered the civil field, but its working principle is still relatively complex. Unlike manual processing, biometrics companies do not store fingerprint images directly. Over the years, the biometric companies and their research institutions have studied many fingerprint identificati

The TensorFlow and the black Tech. Google hosted the first TensorFlow developer summit in Mountain View, California, February 16, 2017 (Beijing time) 2 o'clock in the morning. Google site announced the world's leading deep learning open source Framework TensorFlow officially released the V1.0 version, and to ensure that Google's current release API interface to meet the production environment stability requirements. Objective TensorFlow at the end of 2015 was a great concern, after more than a y