十六周

这周除了matlab的考试,并在考试的期间过了一遍matlab,其次就是qt的贪吃蛇的游戏,本来是学习bootstrap的,但实际上我看的并不多,这周主要是学习Python,所以总结的话也是就Linux下的Python学习的总结

1.我是c语言学习时使用的Linux下写Python的,感觉很不错,emacs编辑器真的很好用,emacs的快捷键也是很重要的,有必要了解,比如光标的移动,c+b前进,c+a首行,c+e最后一行,alt+tab切换界面等,还有一些命令是linux下的tmux att +~c建立新的窗口已经怎样做笔记等

2.至于Python的学习,还是看代码吧

import math
def move(x,y,step,angle=0):
    nx=x+step*math.cos(angle)
    ny=y-step*math.sin(angle)
    return nx,ny

x,y=move(100,100,60,math.pi/6)
print(x,y)
这个是自定义一个函数的实例


#coding=utf8
#import collections
#import os
with open('hlm-utf8.txt','r') as f:
    str = f.read()
    d ={}
    for s in str:
        if s in d:
            d[s] = d[s]+1
        else:
            d[s] = 1
#    print(len(d),d['的'],d)
r = sorted(d.items(),key=lambda d:d[1],reverse=False)
print(r[-100:])
    #print("\n个单词出现的次数:\n %s" % collections.Counter(str))
统计一个文件中的字出现的频率,其中涉及到打开文件,读取文件,指点的使用,循环以及列表生成式,字典的sorted中按照value排序,我这里是统计红楼梦的词频


import os
path = '/data/haw/myworld/users/2017112323'
files = os.listdir(path)
sum = 0
for file in files:
        d = [file]
        if d=='1\d{3}\.\c':
            sum = sum + 5
        else:
            sum = sum + 10
print(sum)
统计学生的总分数,其中每个等级的分数值不一样,这里用到了读取文件夹下的文件,列表,循环

可是这里的风格还是很像c语言,根据老师的知道我才知道一句代码其实就可以解决

import os
def score(path):
    scores = [5,10,20,25]
    return sum([scores[int(i[0]) - 1] for i in os.listdir(path) if i[0].isdigit()])
print(score('/data/haw/myworld/users/2017112323'))

很简单明了,重点是倒数第二句

#coding=utf8
import os
def score(path):
    scores = [5,10,10,10,10]
    return sum([scores[int(i[0]) - 1] for i in os.listdir(path) if i[0].isdigit()])
path = '/data/haw/myworld/users/'
for root,dirs,files in os.walk(path):
    print(score(path))
上面是算一个学生的成绩,这里的最后两句是取文件夹下的所有文件夹,从而自定义函数取得所有学生的成绩









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declare v_1 date := TO_DATE('20250301', 'YYYYMMDD'); v_start date; v_end date := trunc(sysdate); v_current date; v_sql varchar2(32767); begin v_start :=trunc(v_1); for i in 0..(v_end-v_start) loop v_current := v_start+i; v_sql := 'merge into PURE_SPREAD dest using (with t1 as (SELECT a.*,CASE WHEN a.COUNTRY_CODE = ''tz'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ke'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ci'' THEN a.IN_FORCE_DATE WHEN a.COUNTRY_CODE = ''ph'' THEN a.IN_FORCE_DATE + 8 / 24 END AS NEW_DATE FROM LOAN_BORROW_INFO_TEST a WHERE a.COUNTRY_CODE <> ''gh'' AND a.RISK_SERIAL_NO <> ''googleplay'' AND a.ARCHIVED=1 and a.IN_FORCE_DATE is not null), t2 as (select distinct phone,country_code,NEW_DATE from t1 where TRUNC(NEW_DATE)=TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') and user_type_product=0), t3 as ( select t1.NEW_DATE,t1.ACTUAL_REPAYMENT_AMOUNT,t1.ACTUAL_AMOUNT,t1.state from t2 left join t1 on t2.phone=t1.phone and t2.country_code=t1.country_code and t1.NEW_DATE>=t2.NEW_DATE and t1.new_date is not null), t4 as( select week_num,TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') as pure_in_force_date,sum(rs-rl)/100 AS Spread from (SELECT case when state !=6 then ACTUAL_REPAYMENT_AMOUNT-ACTUAL_AMOUNT else 0 end as rs, case when state = 6 then ACTUAL_AMOUNT else 0 end as rl, TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7)+1 AS week_num, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 AS week_start, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 + 6 AS week_end FROM t3 WHERE NEW_DATE BETWEEN TO_DATE("2025-03-01", "YYYY-MM-DD") AND TRUNC(ADD_MONTHS(SYSDATE, 12), "YYYY") - 1) GROUP BY week_num ORDER BY week_num) select * from t4 pivot(sum(round(Spread,6)) for week_num IN (1 AS "第一", 2 AS "第二", 3 AS "第三", 4 AS "第四", 5 AS "第五", 6 AS "第六", 7 AS "第七", 8 AS "第八", 9 AS "第九", 10 AS "第十", 11 AS "第十一", 12 AS "第十二", 13 AS "第十三", 14 AS "第十四", 15 AS "第十五", 16 AS "第十六", 17 AS "第十七", 18 AS "第十八", 19 AS "第十九", 20 AS "第二十", 21 AS "第二十一", 22 AS "第二十二", 23 AS "第二十三", 24 AS "第二十四", 25 AS "第二十五", 26 AS "第二十六", 27 AS "第二十七", 28 AS "第二十八", 29 AS "第二十九", 30 AS "第三十", 31 AS "第三十一", 32 AS "第三十二", 33 AS "第三十三", 34 AS "第三十四", 35 AS "第三十五", 36 AS "第三十六", 37 AS "第三十七", 38 AS "第三十八", 39 AS "第三十九", 40 AS "第四十", 41 AS "第四十一", 42 AS "第四十二", 43 AS "第四十三"))) src on ( dest.pure_in_force_date= src.pure_in_force_date ) WHEN MATCHED THEN UPDATE SET dest."第一" = src."第一",dest."第二" = src."第二",dest."第三" = src."第三",dest."第四" = src."第四",dest."第五" = src."第五",dest."第六" = src."第六",dest."第七" = src."第七",dest."第八" = src."第八",dest."第九" = src."第九",dest."第十" = src."第十",dest."第十一" = src."第十一",dest."第十二" = src."第十二",dest."第十三" = src."第十三",dest."第十四" = src."第十四",dest."第十五" = src."第十五",dest."第十六" = src."第十六",dest."第十七" = src."第十七",dest."第十八" = src."第十八",dest."第十九" = src."第十九",dest."第二十" = src."第二十",dest."第二十一" = src."第二十一",dest."第二十二" = src."第二十二",dest."第二十三" = src."第二十三",dest."第二十四" = src."第二十四",dest."第二十五" = src."第二十五",dest."第二十六" = src."第二十六",dest."第二十七" = src."第二十七",dest."第二十八" = src."第二十八",dest."第二十九" = src."第二十九",dest."第三十" = src."第三十",dest."第三十一" = src."第三十一",dest."第三十二" = src."第三十二",dest."第三十三" = src."第三十三",dest."第三十四" = src."第三十四",dest."第三十五" = src."第三十五",dest."第三十六" = src."第三十六",dest."第三十七" = src."第三十七",dest."第三十八" = src."第三十八",dest."第三十九" = src."第三十九",dest."第四十" = src."第四十",dest."第四十一" = src."第四十一",dest."第四十二" = src."第四十二",dest."第四十三" = src."第四十三" WHEN NOT MATCHED THEN INSERT ( pure_in_force_date, "第一","第二","第三","第四","第五","第六","第七","第八","第九","第十","第十一","第十二","第十三","第十四","第十五","第十六","第十七","第十八","第十九","第二十","第二十一","第二十二","第二十三","第二十四","第二十五","第二十六","第二十七","第二十八","第二十九","第三十","第三十一","第三十二","第三十三","第三十四","第三十五","第三十六","第三十七","第三十八","第三十九","第四十","第四十一","第四十二","第四十三" ) VALUES ( src.pure_in_force_date, src."第一",src."第二",src."第三",src."第四",src."第五",src."第六",src."第七",src."第八",src."第九",src."第十",src."第十一",src."第十二",src."第十三",src."第十四",src."第十五",src."第十六",src."第十七",src."第十八",src."第十九",src."第二十",src."第二十一",src."第二十二",src."第二十三",src."第二十四",src."第二十五",src."第二十六",src."第二十七",src."第二十八",src."第二十九",src."第三十",src."第三十一",src."第三十二",src."第三十三",src."第三十四",src."第三十五",src."第三十六",src."第三十七",src."第三十八",src."第三十九",src."第四十",src."第四十一",src."第四十二",src."第四十三" )' ; EXECUTE IMMEDIATE v_sql; END LOOP; end; declare v_1 date := TO_DATE('20250301', 'YYYYMMDD'); v_start date; v_end date := trunc(sysdate); v_current date; v_sql varchar2(32767); begin v_start :=trunc(v_1); for i in 0..(v_end-v_start) loop v_current := v_start+i; v_sql := 'merge into PURE_SPREAD dest using (with t1 as (SELECT a.*,CASE WHEN a.COUNTRY_CODE = ''tz'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ke'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ci'' THEN a.IN_FORCE_DATE WHEN a.COUNTRY_CODE = ''ph'' THEN a.IN_FORCE_DATE + 8 / 24 END AS NEW_DATE FROM LOAN_BORROW_INFO_TEST a WHERE a.COUNTRY_CODE <> ''gh'' AND a.RISK_SERIAL_NO <> ''googleplay'' AND a.ARCHIVED=1 and a.IN_FORCE_DATE is not null), t2 as (select distinct phone,country_code,NEW_DATE from t1 where TRUNC(NEW_DATE)=TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') and user_type_product=0), t3 as ( select t1.NEW_DATE,t1.ACTUAL_REPAYMENT_AMOUNT,t1.ACTUAL_AMOUNT,t1.state from t2 left join t1 on t2.phone=t1.phone and t2.country_code=t1.country_code and t1.NEW_DATE>=t2.NEW_DATE and t1.new_date is not null), t4 as( select week_num,TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') as pure_in_force_date,sum(rs-rl)/100 AS Spread from (SELECT case when state !=6 then ACTUAL_REPAYMENT_AMOUNT-ACTUAL_AMOUNT else 0 end as rs, case when state = 6 then ACTUAL_AMOUNT else 0 end as rl, TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7)+1 AS week_num, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 AS week_start, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 + 6 AS week_end FROM t3 WHERE NEW_DATE BETWEEN TO_DATE("2025-03-01", "YYYY-MM-DD") AND TRUNC(ADD_MONTHS(SYSDATE, 12), "YYYY") - 1) GROUP BY week_num ORDER BY week_num) select * from t4 pivot(sum(round(Spread,6)) for week_num IN (1 AS "第一", 2 AS "第二", 3 AS "第三", 4 AS "第四", 5 AS "第五", 6 AS "第六", 7 AS "第七", 8 AS "第八", 9 AS "第九", 10 AS "第十", 11 AS "第十一", 12 AS "第十二", 13 AS "第十三", 14 AS "第十四", 15 AS "第十五", 16 AS "第十六", 17 AS "第十七", 18 AS "第十八", 19 AS "第十九", 20 AS "第二十", 21 AS "第二十一", 22 AS "第二十二", 23 AS "第二十三", 24 AS "第二十四", 25 AS "第二十五", 26 AS "第二十六", 27 AS "第二十七", 28 AS "第二十八", 29 AS "第二十九", 30 AS "第三十", 31 AS "第三十一", 32 AS "第三十二", 33 AS "第三十三", 34 AS "第三十四", 35 AS "第三十五", 36 AS "第三十六", 37 AS "第三十七", 38 AS "第三十八", 39 AS "第三十九", 40 AS "第四十", 41 AS "第四十一", 42 AS "第四十二", 43 AS "第四十三"))) src on ( dest.pure_in_force_date= src.pure_in_force_date ) WHEN MATCHED THEN UPDATE SET dest."第一" = src."第一",dest."第二" = src."第二",dest."第三" = src."第三",dest."第四" = src."第四",dest."第五" = src."第五",dest."第六" = src."第六",dest."第七" = src."第七",dest."第八" = src."第八",dest."第九" = src."第九",dest."第十" = src."第十",dest."第十一" = src."第十一",dest."第十二" = src."第十二",dest."第十三" = src."第十三",dest."第十四" = src."第十四",dest."第十五" = src."第十五",dest."第十六" = src."第十六",dest."第十七" = src."第十七",dest."第十八" = src."第十八",dest."第十九" = src."第十九",dest."第二十" = src."第二十",dest."第二十一" = src."第二十一",dest."第二十二" = src."第二十二",dest."第二十三" = src."第二十三",dest."第二十四" = src."第二十四",dest."第二十五" = src."第二十五",dest."第二十六" = src."第二十六",dest."第二十七" = src."第二十七",dest."第二十八" = src."第二十八",dest."第二十九" = src."第二十九",dest."第三十" = src."第三十",dest."第三十一" = src."第三十一",dest."第三十二" = src."第三十二",dest."第三十三" = src."第三十三",dest."第三十四" = src."第三十四",dest."第三十五" = src."第三十五",dest."第三十六" = src."第三十六",dest."第三十七" = src."第三十七",dest."第三十八" = src."第三十八",dest."第三十九" = src."第三十九",dest."第四十" = src."第四十",dest."第四十一" = src."第四十一",dest."第四十二" = src."第四十二",dest."第四十三" = src."第四十三" WHEN NOT MATCHED THEN INSERT ( pure_in_force_date, "第一","第二","第三","第四","第五","第六","第七","第八","第九","第十","第十一","第十二","第十三","第十四","第十五","第十六","第十七","第十八","第十九","第二十","第二十一","第二十二","第二十三","第二十四","第二十五","第二十六","第二十七","第二十八","第二十九","第三十","第三十一","第三十二","第三十三","第三十四","第三十五","第三十六","第三十七","第三十八","第三十九","第四十","第四十一","第四十二","第四十三" ) VALUES ( src.pure_in_force_date, src."第一",src."第二",src."第三",src."第四",src."第五",src."第六",src."第七",src."第八",src."第九",src."第十",src."第十一",src."第十二",src."第十三",src."第十四",src."第十五",src."第十六",src."第十七",src."第十八",src."第十九",src."第二十",src."第二十一",src."第二十二",src."第二十三",src."第二十四",src."第二十五",src."第二十六",src."第二十七",src."第二十八",src."第二十九",src."第三十",src."第三十一",src."第三十二",src."第三十三",src."第三十四",src."第三十五",src."第三十六",src."第三十七",src."第三十八",src."第三十九",src."第四十",src."第四十一",src."第四十二",src."第四十三" )' ; EXECUTE IMMEDIATE v_sql; END LOOP; end; declare v_1 date := TO_DATE('20250301', 'YYYYMMDD'); v_start date; v_end date := trunc(sysdate); v_current date; v_sql varchar2(32767); begin v_start :=trunc(v_1); for i in 0..(v_end-v_start) loop v_current := v_start+i; v_sql := 'merge into PURE_SPREAD dest using (with t1 as (SELECT a.*,CASE WHEN a.COUNTRY_CODE = ''tz'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ke'' THEN a.IN_FORCE_DATE + 3 / 24 WHEN a.COUNTRY_CODE = ''ci'' THEN a.IN_FORCE_DATE WHEN a.COUNTRY_CODE = ''ph'' THEN a.IN_FORCE_DATE + 8 / 24 END AS NEW_DATE FROM LOAN_BORROW_INFO_TEST a WHERE a.COUNTRY_CODE <> ''gh'' AND a.RISK_SERIAL_NO <> ''googleplay'' AND a.ARCHIVED=1 and a.IN_FORCE_DATE is not null), t2 as (select distinct phone,country_code,NEW_DATE from t1 where TRUNC(NEW_DATE)=TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') and user_type_product=0), t3 as ( select t1.NEW_DATE,t1.ACTUAL_REPAYMENT_AMOUNT,t1.ACTUAL_AMOUNT,t1.state from t2 left join t1 on t2.phone=t1.phone and t2.country_code=t1.country_code and t1.NEW_DATE>=t2.NEW_DATE and t1.new_date is not null), t4 as( select week_num,TO_DATE(''' || TO_CHAR(v_current, 'YYYYMMDD') || ''', ''YYYYMMDD'') as pure_in_force_date,sum(rs-rl)/100 AS Spread from (SELECT case when state !=6 then ACTUAL_REPAYMENT_AMOUNT-ACTUAL_AMOUNT else 0 end as rs, case when state = 6 then ACTUAL_AMOUNT else 0 end as rl, TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7)+1 AS week_num, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 AS week_start, MIN(NEW_DATE) OVER () + TRUNC((NEW_DATE - MIN(NEW_DATE) OVER ()) / 7) * 7 + 6 AS week_end FROM t3 WHERE NEW_DATE BETWEEN TO_DATE("2025-03-01", "YYYY-MM-DD") AND TRUNC(ADD_MONTHS(SYSDATE, 12), "YYYY") - 1) GROUP BY week_num ORDER BY week_num) select * from t4 pivot(sum(round(Spread,6)) for week_num IN (1 AS "第一", 2 AS "第二", 3 AS "第三", 4 AS "第四", 5 AS "第五", 6 AS "第六", 7 AS "第七", 8 AS "第八", 9 AS "第九", 10 AS "第十", 11 AS "第十一", 12 AS "第十二", 13 AS "第十三", 14 AS "第十四", 15 AS "第十五", 16 AS "第十六", 17 AS "第十七", 18 AS "第十八", 19 AS "第十九", 20 AS "第二十", 21 AS "第二十一", 22 AS "第二十二", 23 AS "第二十三", 24 AS "第二十四", 25 AS "第二十五", 26 AS "第二十六", 27 AS "第二十七", 28 AS "第二十八", 29 AS "第二十九", 30 AS "第三十", 31 AS "第三十一", 32 AS "第三十二", 33 AS "第三十三", 34 AS "第三十四", 35 AS "第三十五", 36 AS "第三十六", 37 AS "第三十七", 38 AS "第三十八", 39 AS "第三十九", 40 AS "第四十", 41 AS "第四十一", 42 AS "第四十二", 43 AS "第四十三"))) src on ( dest.pure_in_force_date= src.pure_in_force_date ) WHEN MATCHED THEN UPDATE SET dest."第一" = src."第一",dest."第二" = src."第二",dest."第三" = src."第三",dest."第四" = src."第四",dest."第五" = src."第五",dest."第六" = src."第六",dest."第七" = src."第七",dest."第八" = src."第八",dest."第九" = src."第九",dest."第十" = src."第十",dest."第十一" = src."第十一",dest."第十二" = src."第十二",dest."第十三" = src."第十三",dest."第十四" = src."第十四",dest."第十五" = src."第十五",dest."第十六" = src."第十六",dest."第十七" = src."第十七",dest."第十八" = src."第十八",dest."第十九" = src."第十九",dest."第二十" = src."第二十",dest."第二十一" = src."第二十一",dest."第二十二" = src."第二十二",dest."第二十三" = src."第二十三",dest."第二十四" = src."第二十四",dest."第二十五" = src."第二十五",dest."第二十六" = src."第二十六",dest."第二十七" = src."第二十七",dest."第二十八" = src."第二十八",dest."第二十九" = src."第二十九",dest."第三十" = src."第三十",dest."第三十一" = src."第三十一",dest."第三十二" = src."第三十二",dest."第三十三" = src."第三十三",dest."第三十四" = src."第三十四",dest."第三十五" = src."第三十五",dest."第三十六" = src."第三十六",dest."第三十七" = src."第三十七",dest."第三十八" = src."第三十八",dest."第三十九" = src."第三十九",dest."第四十" = src."第四十",dest."第四十一" = src."第四十一",dest."第四十二" = src."第四十二",dest."第四十三" = src."第四十三" WHEN NOT MATCHED THEN INSERT ( pure_in_force_date, "第一","第二","第三","第四","第五","第六","第七","第八","第九","第十","第十一","第十二","第十三","第十四","第十五","第十六","第十七","第十八","第十九","第二十","第二十一","第二十二","第二十三","第二十四","第二十五","第二十六","第二十七","第二十八","第二十九","第三十","第三十一","第三十二","第三十三","第三十四","第三十五","第三十六","第三十七","第三十八","第三十九","第四十","第四十一","第四十二","第四十三" ) VALUES ( src.pure_in_force_date, src."第一",src."第二",src."第三",src."第四",src."第五",src."第六",src."第七",src."第八",src."第九",src."第十",src."第十一",src."第十二",src."第十三",src."第十四",src."第十五",src."第十六",src."第十七",src."第十八",src."第十九",src."第二十",src."第二十一",src."第二十二",src."第二十三",src."第二十四",src."第二十五",src."第二十六",src."第二十七",src."第二十八",src."第二十九",src."第三十",src."第三十一",src."第三十二",src."第三十三",src."第三十四",src."第三十五",src."第三十六",src."第三十七",src."第三十八",src."第三十九",src."第四十",src."第四十一",src."第四十二",src."第四十三" )' ; EXECUTE IMMEDIATE v_sql; END LOOP; end; [42000][904] ORA-00904: "YYYY": 标识符无效 ORA-06512: 在 line 67
06-07
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