Category：Program
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Time：2019-8-24
Quality is one of the key factors that determine the success of products and the sustainable development of enterprises. How to do a good job in the construction of quality system is a relatively large topic, covering a wide range, and there is no fixed measurement standard. When you open an Internet company recruitment website […]
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Time：2019-8-24
In the past two weeks, I have been busy climbing some data for the company, and the speed of writing has declined a little. I am expected to finish climbing today and sum up my experience. In fact, our company used to specialize in crawlers, so we don’t need to work on the front side. […]
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Time：2019-8-24
Note Notes The front-end of re-learning is a column run by Cheng Shaofi [former head of mobile phone Taobao front-end] in Geek time, 10 minutes a day, to reconstruct your front-end knowledge system. The author mainly collates some key notes and insights of the learning process, and can complete the column study of Winter [original […]
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Time：2019-8-24
Std:: string_view is a new class added to C++ 17 and is an ownerless reference to strings. The operation on std:: string_view does not generate a new string (such as substr), but returns a new string_view but refers to the original string. This improves efficiency, but brings a problem: std:: string_view has no c_str method. […]
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Time：2019-8-24
Modify the pit of underline width The results are as follows: Code implementation: If we want to achieve this effect, the most important control is the underline part. There are many articles on the Internet that modify the width of the underline by reflection, but if this code achieves the desired effect, it will be […]
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Time：2019-8-24
The calc () function of CSS3 allows us to perform mathematical operations in attribute values. For example, we can use calc () to specify a fixed pixel value of an element’s width as the sum of multiple values. .foo { width: calc(100px + 50px); } Why calc () If you have used CSS preprocessors, such […]
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Time：2019-8-24
* Note: This article is the collation of knowledge points contacted in the process of work. The price ratio of things involved is disorderly. If there are any mistakes, you are welcome to correct and guide them. First, the anchor link of the page Second, WebSocket Third, thermal renewal IV. Request Animation Frame Fifth, data […]
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Time：2019-8-24
In the era of mobile internet, information sharing and dissemination is undoubtedly the key to the growth of App drainage. Instead of spending a lot of energy and cost to find channels and hard promotion, it is better to start with details and use the fastest and easiest way to realize Deeplink technology, break the […]
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Time：2019-8-24
1. Single Responsibility Principle (SRP) Definition There should never be more than one reason for a class to change. There should be and only one cause for class changes In other words, an interface or class has only one responsibility benefit The complexity of classes is reduced and the responsibilities to be fulfilled are clearly […]
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Time：2019-8-24
Json JavaScript Object Notation (JSON)Is a lightweight, text-based, cross-lingualData exchange format。 It derives from the ECMAScript Programming Language Standard. JSON defines a set of portable formatting rules for representing structured data. brief introduction JSON is a text format for structured data serialization. JSON contains four basic types (string, number, Boolean and null) and two structural […]
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Time：2019-8-24
Yesterday, due to a project requirement, a colleague was asked to extract part of the existing code. After he changed Axios to ajax, he always passed the request.Can not reach the server. The code is as follows. var para = { pk_user:’98ca62e8-a82f-48b2-9b35-f2b268d11143′ }; //axios axios.post(“/url”, { para: para }) .then(function(data) { console.log(data); }); There is […]
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Time：2019-8-24
1. Transition and animation effect in Vue Single component (<transition name=”” mode=”> <p-if=”> </p> </transition>)V-enter, v-enter-to, v-enter-active, v-leave, v-leave-to, v-leave-active six states.(Defines the transition name and replaces the prefix V with the transition name)V-enter-activity and v-leave-activity reflect the main visible state, where the main effect can be added.V-enter is the initial state of transition and […]
