Python

当下最火的编程语言

0基础从入门到精通 80多个章节、100多节视频配备AI全程答疑老六精选300多个代码实例

OpenAI代码示例:

class APIResource(OpenAIObject):
    api_prefix = ""
    azure_api_prefix = "openai"
    azure_deployments_prefix = "deployments"

    @classmethod
    def retrieve(
        cls, id, api_key=None, request_id=None,
        request_timeout=None, **params
    )

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企业级数据爬虫

人人可掌握的编程副业

爬虫学习路线大量实战爬虫案例金饭碗爬虫秘技内部专享接单群

高性能爬虫

from scrapy import signals

class BaiduSpiderMiddleware(object):

    @classmethod
    def from_crawler(cls, crawler):
        s = cls()
        crawler.signals.connect(s.spider_opened,
                signal=signals.spider_opened)
        return s

JavaScrip混淆解析

const _0x52e4=['ZGF0YS10YXJnZXQ=','WnFMVVA=',
'YWpheA==','WnZhcVA=','Y2hpbGRyZW4=','Q1NhVkM=',
'cnBLdGY=','Y3JlYXRlRWxlbWVudA==','dlR2dG8=','cWxBTUQ=',
'endqd0U=','cU1xZE8=','VGhQemQ=','d2FRbUI=','cWd1SkY=',
'WlRibnY=','aW5mbw==','Y2tqdEU=','UkJyYk0=','aW5wdXQ=',
'YnRuIGNvcHktYnRuIHB1bGwtbGVmdA==','b0lhWlg=','eGpRd3U=','eHJIeUU=',
'R2thUWc=','eU1ZWHE=','VUhScmM=','aGlnaGxpZ2h0QmxvY2s=',
{return _0x5ef65a;}else{return;}}
else{_0x5ef65a(0x0);}}catch(_0x2da774){}}

JavaScript编程:

<button onclick="myFunction()">Click Me!<button>
<script>
    /* javascript也是一种很流行的编程语言
       想学习WEB、爬虫的一定要学习这门语言*/
    function myFunction() {
        let x = document.getElementById("demo");
        x.style.fontSize = "25px";
        x.style.color = "red";
    }
</script>

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WEB全栈开发

企业级应用技术场景

高性能WEB开发项目推进式学习框架源码深入讲解大厂资深技术面试指导

Flask-高伸缩性WEB框架

from flask import Flask, jsonify, request
from flask_jwt import JWT, jwt_required, current_identity
from werkzeug.security import safe_str_cmp
jwt = JWT(app, authenticate, identity)

@app.route('/protected', methods=['GET'])
@jwt_required()
def protected():
    return jsonify({'user_id': current_identity.id,
                    'username': current_identity.username})

if __name__ == '__main__':
    app.run()

Django-极速WEB搭建

from django.contrib.auth.models import User
from rest_framework import viewsets

class UserViewSet(viewsets.ModelViewSet):
    queryset = User.objects.all()
    serializer_class = UserSerializer

from rest_framework import serializers
from django.contrib.auth.models import User

class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = '__all__'

Tornado-高性能异步框架

from tornado import ioloop, web, httpserver
from tornado.options import define, options, parse_command_line
import multiprocessing

class MainHandler(web.RequestHandler):
    def get(self):
        self.write("Hello, Tornado multi-process server!")

if __name__ == "__main__":
    app = web.Application([(r"/", MainHandler)])
    server = httpserver.HTTPServer(app)
    server.start(multiprocessing.cpu_count())
    ioloop.IOLoop.current().start()

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程序猿必备的大数据开发

hadoop\spark\pandas\sklearn\kafka等等

大数据流行框架开发轻松入门推荐算法数据清洗与挖掘推荐系统实战案例

大数据条件下数据挖掘

In [105]: df.T.sort_index(level=1, axis=1)
Out[105]:
        one      zero       one      zero
          x         x         y         y
0  0.600178  2.410179  1.519970  0.132885
1  0.274230  1.450520 -0.493662 -0.023688

In [109]: dfm.index.is_lexsorted()
Out[109]: False

In [110]: dfm.index.lexsort_depth
Out[110]: 1

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商业数据分析师

学习课程

数据分析师的SQL语言数学基础与统计基础数据规整与清理数据可视化与商业模型策略

数据分析师必备

SELECT col1, col2, AVG(col3) OVER (PARTITION BY col1)
AS avg_col3
FROM table;

SELECT col1, col2, col3
   FROM (
       SELECT col1, col2, col3, ROW_NUMBER()
       OVER (PARTITION BY col1 ORDER BY col3 DESC)
       AS row_number
       FROM table
   )
   WHERE row_number <= N

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