Tag：public
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Time：2021-7-30
Today’s knowledge points (September 15, 2020) – day 518 (I also want to write a topic) [HTML] how to add a clear button to the upper right corner of input? [CSS] how can CSS remove the default italics of the I tag? [JS] do you know what is a requestidlecallback? [soft skills] what is the […]
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Time：2021-7-30
Today’s knowledge points (August 1, 2020) – day 473（I want to write a question, too) [html] Regarding H5 as an open platform, what are the modules to build it? [css] What are CSS penetration attributes? [js] Use js to write a method to generate 0000-9999 10000 numbers (4 digits) [soft skills]You have a college degree. […]
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Time：2021-7-29
______ _______ _ _ | ____| |__ __| | | | | |__ _ __ ___ __ _ ___ ___| | __ _| | | __ | __| | ‘_ ` _ \ / _` |/ __/ __| |/ _` | | |/ / | |____| | | | | | (_| | (__\__ \ […]
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Time：2021-7-27
Today’s knowledge points (March 21, 2021) – day 705（I want to write a question, too) [html] Can I open files with. Doc or. Xlsx suffix in the page? What should I do if I can? [css] Tell me about your understanding of the transition timing function attribute [js] How does JS follow the open and […]
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Time：2021-7-27
Today’s knowledge points (July 19, 2021) – day 825（I want to write a question, too) [html] Customize a check box using HTML5 [css] Drawing a cactus using CSS3 [js] Write a method to find the missing number in an unordered array from 1 to 1000 [soft skills]Do you think you should learn to be lazy […]
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Time：2021-7-23
Write on the front Some time ago, we built a MySQL distributed database cluster with 12 database nodes to test the performance, advantages and disadvantages of various distributed transaction schemes. When testing MySQL XA transactions, when the test script inserts data into the database in batches, the server is forced to power down! Note: the […]
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Time：2021-7-23
Today’s knowledge point (2020.08.02) – day 474（I want to write a question, too) [html] What are the benefits of H5’s web storage? [css] What is the practical use of point events? [js] How can dynamically loaded Li bind events? [soft skills]What are the classifications of front-end errors? What if you catch these errors? In the […]
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Time：2021-7-22
Previously, I wrote a piece of logic in Java 8, which is similar to the following example: /* * official account: Java technology stack */ if(xxxOrder != null){ if(xxxOrder.getXxxShippingInfo() != null){ if(xxxOrder.getXxxShippingInfo().getXxxShipmentDetails() != null){ if(xxxOrder.getXxxShippingInfo().getXxxShipmentDetails().getXxxTrackingInfo() != null){ … } } } } If you want to judge the values one by one, and then take […]
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Time：2021-7-22
First of all, some people will ask why Ali’s internal information is written in the title of the article? Here’s an explanationAfter reading this, I don’t need to say more. Although I don’t know if it’s true, I also read this document and summarized the following contentsInterviewContains（Basic + JVM + multithreading & concurrency + Spring […]
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Time：2021-7-19
Official account“Full stack of Java back end technology”** Reply to “interview” to get a full set of interview materials of large factories How good is nginx? According to the web server survey series research reports released by NetCraft in August 2019, nginx ranks the first in terms of market share. Nginx (pronounced “engine X”) is […]
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Time：2021-7-19
Today’s knowledge point (2021.04.04) – day 719（I want to write a question, too) [html] How to select multiple files in the file selection box? [css] Draw a ball of different lights [js] How to do if the integer exceeds the safe range in JS? [soft skills]Tell me about your understanding of source code, inverse code […]
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Time：2021-7-17
Today’s knowledge point (2021.03.08) — day 692（I’m going to ask questions, too) [html] Draw an iPad page layout [css] Using CSS makes an element flash [js] Write a method to determine whether the given data is an empty object [soft skills]How to lead the team to do code walkthrough? If there are 50000 lines of […]
