" I understand that the empty string [] is an empty string check the args [0] [: 0] in the code below use type (args [0] [: 0]) will be marked as < class list > compare it with [] ( "d "]) successfully executed executed print (add...
now the requirements are as follows: many people live together, buy food and cook together, and need to record the income and expenditure of each meal, and then calculate the amount that each person should pay. I want to write a desktop program with pyt...
a = [1, 2, 3] b = [1, 2, 3,] I don t understand. What s the difference between the two arrays? There are a lot of arrays in django that end with a comma. Ask for advice ...
I use the django project under svn to run in a virtual environment, but pycharm is still dependent on the system, which makes it impossible to use modules such as django-redis,numpy as shown in figure setting:: other self-created projects do ...
I want to use git, in vscode, but I find that the git directory detected in vscode is not consistent with my actual git directory. My git project is in the project folder of the desktop, but the directory displayed by git in vscode is the desktop. How to...
class A (): def __init__(self): print( A ) class B (A): def __init__(self): super(B, self).__init__() b = B () * * an error occurred when executing under py2 super (B, self). _ init__ () TypeError: must be type, not classobj** there...
pythonconmmandnotfound.pygdbm ...
Environment: mac system, installed mysql8, error installing mysql-python with sudo pip install mysql-python error Code try to solve: 1. Install mysql-connector-c 2. Set the variable export PATH=$PATH: usr local mysql bin ask God to help s...
I want to generate a .csv two-dimensional flat distribution artificial dataset file. I want to output the values generated in the code to the .csv file. Each line is separated by a comma. There are two columns, such as: 1 the first column represents t...
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{ "vfs.fs.inode. .pfree": 91.0349, "zabbix.process.alertmanager.avg.busy": 0.0339, "agent.ping": 1, "agent.version": "3.4.1", "zabbix.process.vmwarecollector.avg.busy"...
use regular matching in python to match the following data, including imageBase from imageBase to}; data= imageBase = { PIC_DIR : E: ttt ttt test , PIC_PATH : E: tt ttt test , SUB_DIR : , LOCATION : , DL...
< span data-original-name= < Duke University Blue Devil Men s Basketball team > Duke University Blue Devil Men s Basketball team < span data-original-name= "unknown " > unknown how to get the Duke University Blue Devil Men s Basketball team out...
:, and then grab the text of the tag. But that "France Germany " does not seem to belong to any label, how to grasp this kind of text? ...
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1. If you want to make a ranking of users gold coins, only the highest 100 records will be displayed if displayed. 2. When it comes to using redis to do the ranking, most people will think of using sorted set to do it. But if there are millions of use...
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to start the service through celery, there is only one task, but it takes 6 minutes to start. It was started instantly before, celery version: 3.1.27. The service uses flask-socketio, so it uses eventlet to enable monkey_patch (), and flask_redis at the...
has a string of hundreds of kb . Now you want to encrypt this string and decrypt it to the original string by . encryption requirements: can compress the hundreds of kb strings into several kb or even several b can decrypt as the origi...
git remote add origin git@github.com:suiweinuv demo1.git Why remote Kujiao origin, when operating locally, but the real demo1? displayed on GitHub ...
mysql5.7 version, using the tool (Navicat Premium) argument out of range pop-up prompt appears when querying the database after I check that the data format in the database is normal, if it is a numerical format, I use the same sentence bigint the ...
the official documentation says that "component " can be a component constructor created by Vue.extend (), or just a component configuration object. but as shown in the code, the "component " here is an anonymous function, and the function body loads...
the backend asked to make the selection of this date range a required entry in the form, but did not find the corresponding check in element-ui. I tried to fill in required and message, in rules, but when I did not select a time, the word "Please ch...
currently, if you want to rename multiple files as * .min.css , you can only set them one by one in a single file. How to set it globally in the workspace? What are the main parameters for? Is the setting only for workspaces? Why the setting in ...
Code directly <el-table border :data="shopData" style="width: 100%" max-height="750"> <el-table-column label=""> <template slot-scope="scope"> <el-select placeholder=&qu...