Tag：unable
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Time：2020-10-17
I wrote a blog before“Can the last index reconstruction time be accurately obtained in SQL Server?“，There are mainly three questions: can we find the creation time of the index? When was the last index rebuild? When was the last index reorganize? At that time, we came to the conclusion that the answer was that we […]
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Time：2020-10-16
Originally wanted to delete the company’s server, after colleagues persuade, to delete my computer VMware virtual machine. rm -rf /* He is one of the most dangerous commands in Linux all year round. There are many stories about it Today, I went to a company for an interview. They asked me to write a shell. […]
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Time：2020-10-12
concept ES6 provides promise objects natively. Promise is an object used to deliver messages for asynchronous operations. It represents an event (usually an asynchronous operation) that will not know the result in the future, and this event provides a unified API for further processing. Promise objects have the following two characteristics. (1) The state of […]
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Time：2020-10-2
After the recent upgrade to electron5.0, a require is not defined error will appear, and WebView will not display normally.First of all, let’s take a look at the upgrade log of electron It can be seen thatnodeIntegrationandwebviewTagThe default value is changed tofalse. so set it totureThat’s fine. myWindow = new BrowserWindow({ //… webPreferences: { Nodeintegration: […]
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Time：2020-9-29
New API Built in connection pool (example) (document) (@ twose) enhance Coroutine\Http\ServersupportWebsocketFrame compression () (@ twose) Curl hook supportCURLOPT_PUT, CURLOPT_INFILE, CURLOPT_INFILESIZEAnd other options () (@ twose) An error message (@ leizhang Hunter) (@ twose) will be generated when socket binding fails SocketWhen the operation fails, if it is unnecessary to generate an uncontrollable warning message, […]
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Time：2020-9-22
Pit encountered in offline use Because of the requirements of the project, it needs to be developed offline. The antd Pro scaffold we use is ready to use out of the box. During the migration process, we copy the project files directly, but in theCannot be used offline!, the error shows that some dependencies can’t […]
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Time：2020-9-21
error message *************************** APPLICATION FAILED TO START *************************** Description: The bean ‘jpaAuditingHandler’, defined in null, could not be registered. A bean with that name has already been defined in null and overriding is disabled. Action: Consider renaming one of the beans or enabling overriding by setting spring.main.allow-bean-definition-overriding=true Key documents JpaAuditorAware.java package com.nasa.framework.config; import org.springframework.context.annotation.Configuration; import […]
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Time：2020-9-18
In the openmix family bucket, there is a mix redis subscribe project. This is a library that does not rely on the phpredis extension and directly parses the redis protocol. It is dedicated to subscription processing. Any swote framework can be used, and can be widely used in websocket development. This library is also included […]
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Time：2020-9-13
Use training environment: Tensorflow 2.2.0，CUDA 10.1，cuDNN 7.6.5。 When the vgg16 convolution base is instantiated, the convolution algorithm cannot be obtained, which indicates that cudnn cannot be initialized. Open the code file and add the following line in front of it to solve the problem. from tensorflow.compat.v1 import ConfigProtofrom tensorflow.compat.v1 import InteractiveSessionconfig = […]
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Time：2020-9-11
With the rapid development of AI industry, more and more people want to join the field of artificial intelligence and set off an upsurge of learning python. However, many people are wondering whether it is necessary for them to participate in training and learning. First, they think that training and learning need a fee. Second, […]
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Time：2020-9-7
How does timewait come into being? Which party actively closes first will generate timewait. If the server actively closes, it will be generated on the server side. And it will last for two MSLS (one MSL usually defaults to 30s) The harm and prevention of timewait If there are too many timewaits, there will be […]
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Time：2020-9-1
1、 Background At the beginning, I was ready to use chrome to do a terminal project, but I thought it was very smooth. It took two and a half days. Because you can’t directly control the properties of the form, finally switch to. Net framework 4.8 + cefsharp to record the encountered pits and problems. […]
