days

Diff is not a function in Moment.js

匿名 (未验证) 提交于 2019-12-03 01:39:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I am selecting a date in the Air Datepicker and trying to compare today's date to the selected date to determine the difference in days. So, for example, if today is 12/11/2016 and I select 12/20/2016, I want to get the difference, which is 9. I keep running into the following error: "end.diff is not a function". I've stripped the following code down to the essentials: HTML <form> <input id="datereq" name="datereq" type="text" class="dateReq" value="" /> </form> <div id="selected"></div> JQUERY var date = new Date(), disabledDays = [0, 6]; $

Oracle SQL - get number of days between two dates for a specified month

匿名 (未验证) 提交于 2019-12-03 01:37:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I want to get the number of days between two dates but only for a specified month. Sample Data: datefrom dateto 28 / 1 / 2016 15 / 2 / 2016 10 / 2 / 2016 3 / 3 / 2016 5 / 2 / 2016 16 / 2 / 2016 20 / 1 / 2016 10 / 3 / 2016 Expected output for February: datefrom dateto numofdays 28 / 1 / 2016 15 / 2 / 2016 15 10 / 2 / 2016 3 / 3 / 2016 19 5 / 2 / 2016 16 / 2 / 2016 11 20 / 1 / 2016 10 / 3 / 2016 29 Expected output for January with same dates: datefrom dateto numofdays 28 / 1 / 2016 15 / 2 / 2016 4 10 / 2 / 2016 3 / 3 / 2016 0 5 / 2 /

Android SQlite returning -1 with getColumnIndex when column obviously exists

匿名 (未验证) 提交于 2019-12-03 01:36:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: When inserting temporary values to all of the columns in my table, it appears to work. See method below and log below. But when I test if the column exists with my test method below, it returns a false that the column exists!! The first snippet of code shows from where the temporary values and the method for testing if a column exists is called. The snippets below include the log, how the table is created, and the called methods. Thank you! ContentValues values = setContVal_All_Columns ( myTable ); //create row long insertId =

Unix timestamp to seconds, minutes, hours

匿名 (未验证) 提交于 2019-12-03 01:34:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I need to somehow take a unix timestamp and output it like below Can this be done with MySQL? Or php Mike 7s ago Jim 44s ago John 59s ago Amanda 1m ago Ryan 1m ago Sarah 1m ago Tom 2m ago Pamela 2m ago Ruben 3m ago Pamela 5h ago As you can guess i only wanna print the minute, not minutes and seconds(1m 3s ago) What should I look into? 回答1: Yes it can be done. See related post $before // this is a UNIX timestamp from some time in the past, maybe loaded from mysql $now = time() $diff = $now - $before; if( 1 > $diff ){ exit('Target Event

R how to create custom x-axis with dates

匿名 (未验证) 提交于 2019-12-03 01:34:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I'm trying to plot some prices vs dates. There are about 10k lines of data. The dates are a range from ~ 7/1/2008 - 12/1/2011. I'd like to be able to create a custom x-axis with the following ticks on it for each year: 1) at 1/1 have the YYYY (ie 2011 ) 2) at 4/1 have the abbreviation of the month (ie Apr ) 3) at 7/1 have the abbreviation of the month (ie Jul ) 4) at 10/1 have the abbreviation of the month (ie Oct ) Here's a description of the data: > head(as.POSIXct(rs4p[,3])) [1] "2008-06-30 20:00:00 EDT" "2008-06-30 20:00:00 EDT" [3]

Python: look back n days rolling standard deviation

匿名 (未验证) 提交于 2019-12-03 01:34:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have a question about dealing with the rolling standard deviation: The data frame looks like this: 2010-01-20 05:00:00 -0.011 2010-01-20 05:02:00 -0.032 2010-01-20 05:02:00 -0.037 2010-01-20 05:04:00 0.001 2010-01-20 05:06:00 0.023 2010-01-20 05:06:00 0.011 2010-01-20 05:08:00 0.049 2010-01-20 05:10:00 0.102 .... 2010-05-20 17:00:00 0.022 This is 2-min data from 5am to 5pm (The format of index 'yyyy-mm-dd hh:mm:ss' is datestamp) I want to calculate the 8-day look-back on the standard deviation. My intuition is to split the data frame into

XIRR Calculation

匿名 (未验证) 提交于 2019-12-03 01:29:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: How do I calculate Excel's XIRR function using C#? 回答1: According to XIRR function openoffice documentation (formula is same as in excel) you need to solve for XIRR variable in the following f(xirr) equation: You can calculate xirr value by: calculating derivative of above function -> f '(xirr) after having f(xirr) and f'(xirr) you can solve for xirr value by using iterative Newton's method - famous formula-> EDIT I've got a bit of time so, here it is - complete C# code for XIRR calculation: class xirr { public const double tol = 0.001;

How to subtract dates with python

匿名 (未验证) 提交于 2019-12-03 01:28:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: Today = today = datetime.datetime.now().strftime("%Y%m%d") 90days ago DD = datetime.timedelta(days=-90) How do I get today - DD, or 90days ago? 回答1: You should be able to subtract time deltas from datetime objects. today = datetime.datetime.now() DD = datetime.timedelta(days=90) earlier = today - DD earlier_str = earlier.strftime("%Y%m%d") 回答2: Just subtract a timedelta from a datetime: >>> import datetime >>> today = datetime.datetime.today() >>> DD = datetime.timedelta(days=90) >>> today - DD datetime.datetime(2010, 11, 3, 9, 56, 20,

angular material 2 custom component with ng value accessor

匿名 (未验证) 提交于 2019-12-03 01:17:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I a working on angular 4.4 + material beta12 custom component and not able to figure out what is wrong in my implementation I am trying to achieve the below custom input Task: set value to formControl, once I got data from server(data.productTeam is data-can see in code) on edit, formcontrol should be updated with values (eg:P12DT2H231M) Issues: I am not able to bind default value to formcontrol. Without ngDefaultControl (No value accessor for form control with name: 'productTeam' error occuring) dashboard.component.js this.CRForm = this.fb

generate days from date range

匿名 (未验证) 提交于 2019-12-03 01:14:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 选择语言 中文(简体) 日语 英语 中文(繁体) 由 翻译 强力驱动 问题: I would like to run a query like select ... as days where `date` is between '2010-01-20' and '2010-01-24' And return data like: days ---------- 2010-01-20 2010-01-21 2010-01-22 2010-01-23 2010-01-24 回答1: This solution uses no loops, procedures, or temp tables . The subquery generates dates for the last thousand days, and could be extended to go as far back or forward as you wish. select a.Date from ( select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a)) DAY as Date from (select 0 as a union all