国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂

linux - How to install using yum

I still don’t understand it after reading it online, and the installation fails every time.

世界只因有你 2017-05-16 13:22:36 0  4  790

logging - Python log, should the time use UTC time or local time?

The actual phenomenon is that I remember reading a blog before. It said that the time in UTC 0 time zone should be used but there is nothing wrong with using local time? Related code A certain section of my log (using local time) {Code...} Context Product version : Python 2.7 Operating system: Linux...

代言 2017-06-12 09:26:57 0  2  1335

Laravel Plug-in for reading Excel Laravel Excel cannot read Excel data?

1. Use Laravel Excel v2.1.* for Laravel 5 to read Excel files 2. 3. Question: How to obtain the original data during time reading? It is not converted data.

天蓬老師 2017-05-18 10:52:21 0  1  1717

node.js - request's pipe method, how to monitor the time required to read a file?

To read a picture from the Internet, I need to know the time required. For example, if it exceeds 3 seconds, I will give up reading the picture. How to do this?

怪我咯 2017-05-24 11:38:32 0  1  780

Shopware 6 Administration: Reading listFilterOptions() of SwProductList from Custom Plugin Component

Version Shopware6.4.20 My custom plugin imports a component by overriding SwProductDetail. The imported component requires the filterOptions of SwProductList. How can I read the list of SwProductList in the above component?

P粉615829742 2023-09-18 18:36:26 0  1  560

What are the advantages of partition design in kafka?

Increase concurrent writes? Disk io can only write one file at a time, right? Can concurrent reading be improved? Disk io can only read one file at a time, right? Increase single write speed? It seems to have nothing to do with partition, right? Increase single read speed? Wouldn’t it be solved with...

滿天的星座 2017-06-23 09:13:28 0  1  1277

php - In a production environment, how can we add indexes to MySQL and modify the table structure so that our online business is not affected?

In a production environment, how can we add indexes to MySQL and modify the table structure so that our online business is not affected? Because there are writing and reading operations to the library at any time online.

某草草 2017-05-27 17:38:57 0  1  805

ios - Why do some books say that the initialization method and dealloc method should always read and write data through instance variables?

Effective objecttive -c2.0 This book says that in the initialization method and dealloc method, you should always read and write data through instance variables. After reading it for a long time, I didn’t understand the reason? Has anyone read this book?

我想大聲告訴你 2017-05-17 10:05:31 0  1  1137

javascript - Regarding development using axios and vue. When the mobile browser returns, it reads the cache and cannot execute js and vue components.

A mobile website has tested login restrictions on a page. If you are not logged in, you will go to the login page, but when you reach the login page and press the return key, you can still return to the first page without reading any data or pictures. How can I make him go back? It's time to refresh...

高洛峰 2017-07-05 10:48:12 0  2  1053

javascript - I plan to write a websocket front-end for the php backend. Which library is the fastest? Chinese documents are the most complete?

If you use native JS in the title, they are all English documents. Originally, there are many concepts of websocket. Reading English is afraid of misunderstanding and it will waste time. I am a back-end person and do not plan to spend too much time on JS. I just want to develop quickly. Do you have ...

給我你的懷抱 2017-05-16 13:04:51 0  4  776

eslint treats my *.ts files as javascript in a project that also has vue

I'm developing a web project using typescript and vue. After reading the documentation of typescript-eslint and eslint-plugin-vue, I have solved the following eslint configuration: module.exports={root:true,env:{browser:true,es2021:true,},extends:[" eslint:recommended","plugin:

P粉739706089 2023-09-02 19:59:50 0  2  598

javascript - What will alert if you analyze this code?

{Code...} The comments were my initial understanding, and then after seeing the results, I tried to use the answers to think backwards to find the reasons. =========================The dividing line after reading the answer================== ========= After step 2, this is still dbl, and val is 2 at...

phpcn_u1582 2017-05-19 10:41:46 0  2  650

TypeError: Cannot read property of undefined on Next.js (reading 'current')

TypeError: Cannot read property of undefined (reading 'current') I get this error the first time I run a nextjs project. This is the command I'm running: npxcreate-next-app@latestmy-test-app--typescript--tailwind--eslint This is what my package.json looks like: {"name";"my-test-app&qu...

P粉714890053 2023-09-14 13:15:42 0  1  619

php file_get_contents can only be obtained once

It's like this. I'm doing a PHP test to receive large files. The front-end will cut the files into many small bold files. I need to save these small files first and then splice the content. Now when reading the content of each file, only I succeeded for the first time, please teach me!

周沭 2018-12-07 10:05:01 0  0  772

Unit testing - some issues related to code organization in c++ testing

I am a novice C++ programmer. I used JavaScript most of the time. Now due to homework needs, I am writing a project in C++. The development environment is Xcode. I want to do the tests myself, but I know nothing about testing before. After reading this, I decided to use the catch testing framework. ...

ringa_lee 2017-05-31 10:38:53 0  1  1016

javascript - I have a question about the data size for REST transmission at the front and back ends?

Just like Zhihu/quora and other websites, when reading user answers or articles, you can use read more or modal to read the entire article. Now there is a similar business scenario. Each time the front end requests 15 articles from the back end, but my problem is that some articles may have tens of ...

淡淡煙草味 2017-06-12 09:19:43 0  2  905

python - Use requests to crawl [Dajie.com] job information, but failed many times. Can you help me find out what is wrong with my code? How should it be changed?

I have crawled several static website data before, and it was relatively smooth. This time I encountered ajax, and after reading a few documents, I felt that it was not difficult, so I got started directly, but I still got stuck. . . Goal: Crawl job information from Dajie.com. Process: 1. Use the br...

大家講道理 2017-05-18 11:01:06 0  1  2260

In MySQL, what is the difference between storing data in multiple columns vs storing data in JSON columns

Let's say I have a table called T1. Initially, it has ID, Identifier, C1, C2 as columns. Over time I will add new columns C3, C4 and so on. Would it be better to have these columns as ID, Identifier, Info? Where Info is a JSON column containing C1, C2, C3 as keys and their corresponding values. What...

P粉393030917 2023-07-24 16:17:05 0  1  616

How to modify the modification date of a file in python without changing the file

There is a requirement that I need to unify the modification time of all excels in the directory. I want to write a python script. At first I naively thought that renaming would be enough, but in fact it is not possible. Then I found several libraries for operating excel (openpyxl, xlutils), and wan...

滿天的星座 2017-06-22 11:51:55 0  4  1164

javascript - vue front-end rendering project SEO

The vue single-page application has been basically completed, but when the product required SEO, I found that there was no good solution. . . . The more reliable solution recommended on the Internet is server-side rendering, but after reading it, I found that the learning cost is relatively high. I ...

伊謝爾倫 2017-07-05 10:43:49 0  2  1014