Negative Commands

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15 minutes to introduce the REDIS data structure

Here is a translation of the Redis Official document "A fifteen minute introduction to Redis data Types", as the title says, The purpose of this article is to allow a beginner to have an understanding of the Redis data structure through 15 minutes of simple learning. Redis is a kind of "key/value" type data distributed NoSQL database system, characterized by high-performance, persistent storage, to adapt to high concurrent application scenarios. It started late, developed rapidly, has been many ...

Interactive design principles-to be continued

We believe that the goal-oriented design method consists of 4 p, i.e. process, pattern, principles, practices (processes, patterns, principles, practices), and I will discuss the first 3 p. Interaction design is generally a difficult and messy task, and interaction designers are often asked to imagine and define in a tight schedule a possible use of the latest technology, and no one has seen, we must have a deep understanding of the complex areas of products, must balance the competitive priorities, Must understand the constraints of the technology used and the machine ...

Manhattan, Twitter real-time, multi-tenant distributed database

Building a fully service-oriented system has always been the goal pursued by Twitter, and from the previous article, we shared Twitter to cope with the overall 143,000 TPS peak system overview, but the details of the various service components are not involved. Fortunately, the company recently disclosed Manhattan's independently developed database system, which delivers in-service features while delivering features such as high availability and availability. The following is translation: As Twitter grows into a global user exchange ...

GDB View stack Information

When the program is stopped, the first thing you need to do is to see where the program stops. When your program calls a function, the address of the function, the function arguments, the local variables within the function are pressed into the stack. You can use the GDB command to view the information in the current stack. Here are some GDB commands for viewing the function call stack information: BACKTRACEBT Prints all the information for the current function call stack. such as: &http://www.aliyun.com/zixun/aggregat ...

The interpretation of humorous language 2014 major events in the IT field

Every week, the upbeat Phil Johnson helps to deliver important news and headlines in the tech world in a relaxed and enjoyable way.   --Boss, to be on the safe side, the IT department elves suggest you update your antivirus software and move Kim Jong-un from the "Bad Boy" list to the "Good Boy" list. December 24--Santa Claus has learned from Sony for years, it has been thought that the most wanted gift for the North Korean leader during Christmas is a sock coal. However, in the ...

iOS7 third-party application design solutions and case reference

At first glance, Redesign for iOS7 is nothing more than a new app icon, a borderless button, a status bar that matches the color of the navigation bar, and more. However, if you dig deeper, you will find a lot of dazzling places are the three design themes of iOS7, "compliance, clarity, depth." For some applications, these changes lead to dramatic improvements in design, while others are even worse than before, not only in terms of usability but also in brand recognition. This article will focus on the iOS7 UI transition guide some of the key design solutions ...

3 major forecasts for the 2013 technology industry

Summary: The following is the full text of the article: the most important ideas in the technology industry are sometimes hidden in the most common technology. With that in mind, I have launched 3 predictions for the 2013 technology industry. There is no 3D TV, no wearable computer, no ordinary people use the following article: The most important ideas in the technology industry are sometimes hidden in the most common technology. With that in mind, I have launched 3 predictions for the 2013 technology industry. No 3D TVs, no wearable computers, no jet packs for the general public. 1, the Kindle price let you have no ...

AI report: How to apply the core

Most of the domestic discussion of artificial intelligence is fragmentation of fragmentation, it is difficult to understand the development of artificial intelligence and technical system, it is very difficult to have practical reference significance. Deloitte DUP recently released a report detailing the history, core technologies and applications of artificial intelligence, especially the important cognitive techniques. This report will help us to learn more about artificial intelligence and cognitive technology, and help companies in various industries consider the real value of AI applications. This report is translated by the heart of the machine, welcome to the micro-signal: The Heart of the Machine (Id:almo ...)

Microsoft's self-proclaimed "internet prosecutor" holds the power to kill the domain name business

domain.cn October 20 News, as a veteran technology giants, Microsoft's position in the global scientific and technological world is important, but little known is that Microsoft also has some Internet management rights, it even for the domain name service providers also have the power to kill. Foreign branch domain name City (domain.cn) October 20 news, as a veteran technology giants, Microsoft in the global scientific and technological position is important, but little known is that Microsoft also has some Internet management rights, it even for the domain name service providers also have "life and death power ..."

A non-grassroots webmaster's 10-year life Road

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Everybody Good, in Admin5 saw so many grassroots webmaster articles, quite let people moved, I also write to write my own bar, and we exchange, do not know what name, as if the grassroots is my only feature, because relative to everyone's not easy,   It seems that my road seems to be much easier, but I have been to find their own more or less trouble just, so called the 10 years of non-grassroots webmaster! The following are my real experience, so it should be a little interesting, this is my first time ...

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