Tag：Go online
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Time：2021-1-19
Cache penetration Scene:When a key is used to query the database, the result isnull, the caching system will not cache the data, every time thekeyQueries will go through the database layer, resulting in unnecessary DB overheadSolution:Put thekeyCache to the cache system,valueIs a special value（^^,&&…) Cache invalidation Scene:Since the expiration time of some caches is set […]
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Time：2021-1-17
Merge all commit (modifications) on a branch into one commit:git merge –squash feature Applicable scenarios:This version has been modified a lot, and there are too many commits1. For the convenience of viewing all modifications of a version in the future;2. It is possible to roll back the merge online for the convenience of rolling back;3. […]
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Time：2020-11-16
Recently, an application on line failed to load Tomcat and got stuck. The reason for this problem is that some new functions have been added to an old project of a development colleague, which needs to be launched online. First, after publishing to the pre release environment, restart tomcat, and the following phenomena are found: […]
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Time：2020-11-7
As the old saying goes, if a worker wants to do a good job, he must first sharpen his tools. So, as a programmer, what “weapons” have you used? Are your weapons sharp enough? Recently, a lot of new friends asked, what are the tools for drawing flow charts to recommend? Just calm down and […]
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Time：2020-11-6
Before we have explained in detail about Android packaging APK several ways, you can choose! Let’s focus on how the app packages IPA on apple, and how it goes online? Xiaobian received the task and asked Xiaobian to pack the apple and go online to the app store. Xiaobian was in a daze for a […]
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Time：2020-11-1
Summary from student Leon From 5.16 to 5.17, I participated in the CSM double CST Instructor Certification Course organized by Jiexing and Bob, and the harvest was far beyond expectation. I was born in programming. Since 11 years ago, I have been engaged in the Internet industry. In 17 years, I formally used scrum as […]
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Time：2020-10-5
preface I’ve done a previous one based onSwooleLong connected items for real-time collectionclientSome of the data. Not long after the launch, I found a problem: sometimesclientCan’t connectserverAnd the handshake failed（Websocketbe based onHTTPHandshake protocol to establish a connection) track location After the problem occurred, the first time to handle, check the process, log point, there is […]
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Time：2020-9-2
Git is the most popular source code management tool.In order to standardize the development, keep the code submission record and git branch structure clear, and facilitate subsequent maintenance, the relevant operation of Git is now standardized. Branch Management Branch naming Master branch The master branch is the main branch, which is also used to deploy […]
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Time：2020-9-1
The “development process” is often different in different product projects and enterprises of different sizes. There are waterfall and agility,But the most basic development process should be as shown in the figure. It is also the simplest and easiest to operate, with the highest recognition If you practice this process, you are more rigid in […]
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Time：2020-8-27
Today, JIRA received a SQA: online, no tag How to tag the online code List the existing Tags:git tag v1.0.3 v1.0.4-201703081020 v1.0.5-201704141453 v1.0.6-201704151447 v2.3.1 To list the tag matches to view, you cangit tag -l v1.0.* v1.0.3 v1.0.4-201703081020 v1.0.5-201704141453 v1.0.6-201704151447 Tag:Git tag – a v2.3.2 – M ‘new online content description’ Submit to remote:git push […]
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Time：2020-8-18
I want to make one recentlyNode.jsIn order to put what you have learnedNode.jsI’d like to do a small chat app after thinking about it. I’m afraid that I don’t have enough energy in the later stage (when I was doing PHPer, I gave up because I wanted more and more functions), because I didn’t do […]
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Time：2020-8-4
After teaching the intern a plan last time, the relationship between the boy and the operation sister is getting closer and closer. From time to time, he sprinkles a handful of dog food. In our company, we have really realized the R & D and operation of a pro family. Didn’t you see last time? […]
