fromdatetimeimportdatetime,timedeltadefget_first_and_last_day_of_current_month():# 获取当前日期today=datetime.today()# 获取当月的第一天first_day=today.replace(day=1)# 获取下个月的第一天iftoday.month==12:next_month_first_day=first_day.replace(year=today.year+1,month=1)else:next_month_first...
importdatetime# 获取当月第一天的方法defget_first_day_of_month():today=datetime.date.today()first_day=today.replace(day=1)returnfirst_day# 测试代码first_day=get_first_day_of_month()print("当月第一天:",first_day) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 以上代码中,我们首先导入了da...
1方式get参数直接放到了url里面,post是把参数放到了表单里面 2get长度有限2M左右post没有大小限制 3get参数放到浏览器中不安全,post在表单中会稍对安全 RESTful规范 一种设计和开发Web服务的架构风格,其核心思想是将所有的Web操作视为HTTP协议的标准操作(GET、POST、PUT、DELETE等),并且所有的操作都是无状态的. 1...
0.99,100)forlambda_reginlambda_reg_values:#For each value of lambda, compute build model and compute performance for lambda_reg in lambda_reg_values:X_train = np.column_stack([np.power(x_train,i)foriinrange(0,degree)])
python get every first day of month 方法一: 代码语言: >>>importcalendar>>>calendar.monthrange(2002,1)(1,31)>>>calendar.monthrange(2008,2)(4,29)>>>calendar.monthrange(2100,2)(0,)>>>calendarmonthrange2)[1] 方法二: 代码语言:javascript ...
last_day_of_last_month=datetime.now()-relativedelta(day=1)-relativedelta(days=1)# 获取下个星期的第一天 next_week_first_day=datetime.now()+relativedelta(weeks=1,day=1) 5. 日期的加减操作 日期处理库允许您对日期进行加减操作,例如将一天或一周的时间添加到日期中,或者从日期中减去一段时间。
instructions.print('Press ENTER to begin. Afterward, press ENTER to "click" the stopwatch.Press Ctrl-C to quit.')input() # press Enter to beginprint('Started.')startTime = time.time() # get the first lap's start timelastTime = startTimelapNum = 1# TODO: Start tracking the lap ...
Types['Function'][:9]['array', 'bdate_range', 'concat', 'crosstab', 'cut', 'date_range', 'eval', 'factorize', 'get_dummies'] Function01 array(data: 'Sequence[object] | AnyArrayLike', dtype: 'Dtype | None' = None, copy: 'bool' = True) -> 'ExtensionArray' ...
get_resp() print("uri:{} status:{}".format( req.get_request_uri(), resp.get_status_code())) def create_http_task(url): return wf.create_http_task(url, 4, 2, http_callback) first_task = create_http_task("http://www.sogou.com") series = wf.create_series_work(first_task, ...
['log_E/BE', 'RE/ME']: for lag_month in tqdm(range(1, 61)): # 其实是不科学的 monthly_data['lag_log_E/BE'] = monthly_data.groupby('cusip')['log_E/BE'].shift(lag_month) fm_data = monthly_data[ ['cusip', 'trade_date', 'ret', 'BM', 'log_ME', 'mom1', 'mom11'...