Tag：content
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Time：2020-11-28
Linux system built-in commands can be queried in the following two ways: “cat — help” or “man cat”. The common options and official explanations of the cat command are as follows: cat file_ Name displays all the contents of the file cat -b file_ Name displays the non empty line content of the file cat […]
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Time：2020-11-28
On October 28, 2020, the first version of spring data since the version control scheme was changed was released. The version number is 2020.0.0, code named Ockham. Before that, version numbers were marked with names, such as Neumann release. The content of this release includes these main highlights: The latest version naming rules, as well […]
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Time：2020-11-27
Blog original addresswww.yunmobai.cn/blog/14 Project demonstration Website Demo:bizhi.yunmobai.cn/ Website source code:gitee.com/baymaxsjj/by-vue-wallpap… Website back end: the back-end interface of this project comes from Lenovo computer manager, software store and wallpaper. Recommended downloadLenovo computer manager, this project is only for personal learning.Complete functions: Home rotation, classification, my wallpaper, wallpaper display, scroll loading, full screen display, add my favorite.Completion […]
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Time：2020-11-26
summary Generally speaking, we can’t modify and edit the content of PDF document format, but when we do need it, we can achieve it by extracting text content. This article will introduce how to extract the text content in PDF document through Java code. The third-party controls used in this tutorial areFree Spire.PDF for Java(free […]
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Time：2020-11-24
Web1.0 Web 1.0 refers to the first stage of the development of the world wide web, from 1991 to 2004. “In Web 1.0, there are few content creators, and the vast majority of users are just consumers of content.” (in the era of Web 1.0, people can only browse content passively. )。 Web2.0 Introduction to […]
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Time：2020-11-23
objective When the state of an object changes, all objects that depend on it are notified and automatically updated. It uses a low coupling approach. example If the content is good, I hope you can support and encourage you to click like / like, and you are welcome to exchange views. In addition, if you […]
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Time：2020-11-23
What should I do if the content area falls down? It’s a headache if the size is not accurate Combined with the characteristics of inline block: the box size is supported by the content area, so we changed the outermost box model todisplay:inline-blockIn this way, some measurement errors can be avoided, which will lead to […]
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Time：2020-11-20
With the release of IOS 14, the abuse of clipboards is also known. As long as the app reads the contents of the clipboard, the system will pop up a reminder at the top, and this reminder cannot be turned off. In this way, you can see which apps use the shear board in the […]
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Time：2020-11-19
When the business develops to a certain scale, real-time data warehouse is a necessary basic service. From the perspective of data driven, the importance of multidimensional real-time data analysis system is self-evident. However, when the amount of data is huge, taking Tencent as an example, the amount of data reported in a day reaches a […]
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Time：2020-11-19
Today, when solving the problem of IOS mobile terminal rolling penetration, we encounter a problem, that is to judge whether the elements can scroll and record the process. Take longitudinal rolling as an example, and horizontal rolling is the same.If you feel troublesome, you can check the code directly. Basic concepts Element.scrollHeight Scrollheight is a […]
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Time：2020-11-19
In early February of this year, I happened to see a tweet: The author of fluent Python has an exciting message: he’s writing the second edition! If you want to vote for the best Python advanced bibliography, this book will definitely be one of the most popular books. When I first wrote the “Python cat […]
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Time：2020-11-18
Yesterday, I watched the discussion in the group about string resident pool in C ා, which was very hot. After several rounds of discussions, there were a lot of theories, but it was quite embarrassing to provide evidence. Although this is very basic, it is not easy to give a better answer. I will share […]
