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擅长的技术
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- 数据库
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Java
高级
能力说明：
精通JVM运行机制，包括类生命、内存模型、垃圾回收及JVM常见参数；能够熟练使用Runnable接口创建线程和使用ExecutorService并发执行任务、识别潜在的死锁线程问题；能够使用Synchronized关键字和atomic包控制线程的执行顺序，使用并行Fork/Join框架；能过开发使用原始版本函数式接口的代码。
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Python
初级
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了解Python语言的基本特性、编程环境的搭建、语法基础、算法基础等，了解Python的基本数据结构，对Python的网络编程与Web开发技术具备初步的知识，了解常用开发框架的基本特性，以及Python爬虫的基础知识。
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回答了问题
2019-07-17
py入门怎么跑数据集
What is the format of your data?How big is it?What the algorithm do you want to play with?赞0 踩0 评论0 -
回答了问题
2019-07-17
求关于DRDS异构索引的介绍文章？
DRDS常见问题专用贴 https://bbs.aliyun.com/read/313990.html赞0 踩0 评论0 -
回答了问题
2019-07-17
根号在python中怎么打
Try these methods:print('√')print(chr(8730))print(u'u221a')All these work for me.赞0 踩0 评论0 -
回答了问题
2019-07-17
python源码剖析怎么样
Once you have learned all the syntax, the code read very familiar to a programmer's eye.In fact, python code is much more friendly than C/C++ code.赞0 踩0 评论0 -
回答了问题
2019-07-17
怎么打开python2.7.13
You do not need to 'open' python.Maybe you would like to 'python' a script.Or you want to open a 'python shell' to do interactive operation.赞0 踩0 评论0 -
回答了问题
2019-07-17
python交互环境是什么意思
A programmer's playground.Also a calculator for lazy people.赞0 踩0 评论0 -
回答了问题
2019-07-17
python file怎么打开文件
Example:f = open('JLinkLog.txt', mode='r')ba = f.read()赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么无限循环
Example:while(True):赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么保留整数部分
Example:f=1.233int(f)赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么判断int类型数据
example: a = 1type(a)赞0 踩0 评论0 -
回答了问题
2019-07-17
python二维数组怎么定义
Example:a = [[111,222],[333,444], [555,666]]赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么把很多单词组在一起
The simplest method: '+' operator. Example:strA = 'A123'strB = 'B456'strC = 'C789'strMerge = strA + strB + strCprint(strMerge)赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么安装模块
To install module beyond the standard libraries, use pip command. For example, to install 'PySerial' module, type this command:$ pip3 install serial赞0 踩0 评论0 -
回答了问题
2019-07-17
python在windows上怎么安装mysql
You install python and install mysql.These two software are independent to each other.赞0 踩0 评论0 -
回答了问题
2019-07-17
怎么从python官网下载
Please download python from this path:https://www.python.org/downloads/赞0 踩0 评论0 -
回答了问题
2019-07-17
怎么知道python安装路径
import syssys.path赞0 踩0 评论0 -
回答了问题
2019-07-17
python怎么打印日志
print('hello world')Do you mean this?赞0 踩0 评论0 -
回答了问题
2019-07-17
python安装什么版本
Please read this article:Should I learn Python 2 or 3?https://www.dataquest.io/blog/python-2-or-3/赞0 踩0 评论0 -
回答了问题
2019-07-17
mac自带python怎么打开方式
Open a shell window and type python.This is it.赞0 踩0 评论0 -
回答了问题
2019-07-17
python做什么作品
Do what you want to do. An example: !/usr/bin/env python3 ''' turtlegraphics-example-suite: tdemo_forest.py Displays a 'forest' of 3 breadth-first-treessimilar to the one in tree.For further remarks see tree.py This example is a 'breadth-first'-rewrite ofa Logo program written by Erich Neuwirth. Seehttp://homepage.univie.ac.at/erich.neuwirth/'''from turtle import Turtle, colormode, tracer, mainloopfrom random import randrangefrom time import clock def symRandom(n): return randrange(-n,n+1) def randomize( branchlist, angledist, sizedist ): return [ (angle+symRandom(angledist), sizefactor*1.01**symRandom(sizedist)) for angle, sizefactor in branchlist ] def randomfd( t, distance, parts, angledist ): for i in range(parts): t.left(symRandom(angledist)) t.forward( (1.0 * distance)/parts ) def tree(tlist, size, level, widthfactor, branchlists, angledist=10, sizedist=5): # benutzt Liste von turtles und Liste von Zweiglisten, # fuer jede turtle eine! if level > 0: lst = [] brs = [] for t, branchlist in list(zip(tlist,branchlists)): t.pensize( size * widthfactor ) t.pencolor( 255 - (180 - 11 * level + symRandom(15)), 180 - 11 * level + symRandom(15), 0 ) t.pendown() randomfd(t, size, level, angledist ) yield 1 for angle, sizefactor in branchlist: t.left(angle) lst.append(t.clone()) brs.append(randomize(branchlist, angledist, sizedist)) t.right(angle) for x in tree(lst, size*sizefactor, level-1, widthfactor, brs, angledist, sizedist): yield None def start(t,x,y): colormode(255) t.reset() t.speed(0) t.hideturtle() t.left(90) t.penup() t.setpos(x,y) t.pendown() def doit1(level, pen): pen.hideturtle() start(pen, 20, -208) t = tree( [pen], 80, level, 0.1, [[ (45,0.69), (0,0.65), (-45,0.71) ]] ) return t def doit2(level, pen): pen.hideturtle() start(pen, -135, -130) t = tree( [pen], 120, level, 0.1, [[ (45,0.69), (-45,0.71) ]] ) return t def doit3(level, pen): pen.hideturtle() start(pen, 190, -90) t = tree( [pen], 100, level, 0.1, [[ (45,0.7), (0,0.72), (-45,0.65) ]] ) return t Hier 3 Baumgeneratoren: def main(): p = Turtle() p.ht() tracer(75,0) u = doit1(6, Turtle(undobuffersize=1)) s = doit2(7, Turtle(undobuffersize=1)) t = doit3(5, Turtle(undobuffersize=1)) a = clock() while True: done = 0 for b in u,s,t: try: b.__next__() except: done += 1 if done == 3: break tracer(1,10) b = clock() return 'runtime: %.2f sec.' % (b-a) if name == '__main__': main() mainloop()赞0 踩0 评论0
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