September Baidu update history
September 2010: Only one update at the end of the month of September 23 (Thursday);
September 2011: At the end of the month September 28 (Wednesday), 29th (Thursday), 30th (Friday) for three consecutive days a major update;
September 2012: At the end of the month, September 22 (Saturday), 25th (Tuesday), 28th (Friday), there were three major updates, including two updates in the week;
Comparative analysis of Octob
whereDate_format (Pudate,'%y%m')=Date_format (Curdate (),'%y%m') ; Select * from User whereWeekOfYear (From_unixtime (Pudate,'%y-%m-%d'))=WeekOfYear (now ())Select * from User where MONTH(From_unixtime (Pudate,'%y-%m-%d'))= MONTH(now ())Select * from User where Year(From_unixtime (Pudate,'%y-%m-%d'))= Year(Now ()) and MONTH(From_unixtime (Pudate,'%y-%m-%d'))= MONTH(now ())Select * from User wherePudatebetweenLast day of last month andThe first
The code is not strictly written.There are also a lot of C-language source code that calculates the day of the week, but some of the code contains a little bit of a small error. such as the resolution of a leap year, or the number of days per month, or the calculation formula of the week, is a relatively small part, a bit of error may lead to incorrect results. T
SQL query day, week, one months of data data query, whether on the site or the system, are very common, the following is the most common in the DATE query statement select * FROM Shoporder where DateDiff (Week,ordtime, GETDATE ()-1) =0 //Check the date of the day on the first anniversary of the data select * from Shop
/** By today, this week, this month, this quarter, this year, all query the reservation form data* $day representative query criteria $cid on behalf of the company ID* Returns array $data query criteria*/Class Reservemodel extends Basemodel {Public Function Find_createtime ($day, $cid) {Query Day Dataif ($
--QueryDay:SELECT * FROM info whereDateDiff (dd,datetime,getdate()) =0NBSP; --Query within 24 hours : NBSP; Select * from info where datediff (Hh,datetime,getdate ()) -- Query this week 's recordsSELECT * from info where datediff (week,datetime,getdate()) =0 -- query this month record select *from info where datediff (Month,datetime,getdate ()) =0 --info is the table name, Date
1. Personal reflection
After six years of work, I can say that I am very busy and tired, but I stopped to think about it and I am growing slowly in all aspects!
I recently read agile personal related materials and carefully reflected on the fact that I have been in a non-objective, unplanned state.
A busy state!
The method of driving a week with three stories can solve this problem, so that every week
Create a table by writing various SQL statements for mysql to obtain data for one day, one week, or one month:
Create table if not exists t(Id int,AddTime datetime default '2017-00-00 00:00:00 ′)
Add two initial data items:
Insert t values (1, '2017-07-12 21:00:00 ′);Insert t values (2, '2017-07-22 21:00:00 ′);
1. data inserted on the current or current day
Monday
echo Date (' y-m-d ', (Time ()-((Date (' W ') ==0?7:date (' W ') ')-1) *24*3600)); W is the number form of the day of the week, where 0 is Sunday
This Sunday
echo Date (' y-m-d ', (Time () + (7-(' W ') ==0?7:date (' W ')) *24*3600)); Also use W to calculate the number of days related to the current and Sunday
Last Monday
echo Date (' y-m-d ', Strtotime ('-1 Monday ', Time ())); No matter what
There are a lot of rookie webmaster very upset, why his station online one weeks, two weeks, or even one months have not included it? or why only the homepage of a page? And the snapshots can't keep up. And they will feel that a new station a week to do daily snapshots is impossible for them to be. But I did, and I said how I can do the new station every day a week
This article mainly introduces how to get the current date and time and display the day of the week in js. It is of reference value. Interested friends can refer to JavaScript to get the current date and time and display the day of the week at the same time, the Code is as follows:
This article mainly introduces how to get the current date and time and display the day of the week in js. it is of reference value. interested friends can refer to JavaScript to get the current date and time and display the day of the week at the same time, the code is as follows:
The database migration process has the following time format:Sun Jul 22 18:14:38 CST 2018Formatted as Date:TO_DATE(‘Sun Jul 22 18:14:38 CST 2018‘,‘Dy MON DD HH24:MI:SS "CST" YYYY‘)The error message in Import oracle11g is
ORA-01846 Day of Week is invalid
Resolution process:Resolve database time format issues in cases where SQL cannot be modifiedFirst, confirm the database language environmentUs
Oracle query statistics by day, week, month, quarter, and year // select count (dataid) as daily operation count by day, sum () fromwheregroup by trunc (createtime, 'dd') // select to_char (date, 'iw'), sum () from where group by to_char (date, 'iw') by natural week ') www.2cto.com // select to_char (date, 'mm'), sum (
Because the recent period of time the company to catch the project, every day after 9:30, so the basic daily home to wash and sleep.It hasn't been recorded in the park for one weeks.Last week, the main changes to some project requirements, and then the company has to do the app interface.Originally only two pages of cross-domain access to Exchange data issues, because my ability is limited, can only be simu
How do you pick up the bag every day?
time to collect: Once a week, 00:00 can receive
Gift Package content: Diamond *300, Super rechargeable Crystal *3, each account can only receive one per week OH.
pick Way: download Hand Zhongbao-Find the Circle gift bag-every day rook, you can pick up the latest Circle gift pack
in the work, the statements in the stored procedure are simply noted: /** determine the day of the week */ Select Decode (To_char (To_date (iv_date,' Yyyy-mm-dd ') ), ' Monday ', ' 1 ', ' Tuesday ', ' 2 ', ' Wednesday ', ' 3 ', ' Thursday ', ' 4 ', ' Friday ', ' 5 ', ' Saturday ', ' 6 ', ' 7 ') into the vi_weeknum from dual ; /** calculates the date of
The following code provides an implementation method that displays the current date and day of the week:function Writedateinfo () { var day= ""; var month= ""; var ampm= ""; var ampmhour= ""; var myweekday= ""; var year= ""; mydate=new Date (); Myweekday=mydate.getday (); mymonth=mydate.getmonth () +1; myday= mydate.getdate (); myyear= mydate.getyear (); year= (Myyear > 200)? myyear:1900 + myyea
The examples in this article describe how Python displays birthdays as a day of the week. Share to everyone for your reference. The implementation methods are as follows:
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# Find the ' week ' a given date # Python'll trap impossible dates like (1900, 2,) # Tested with Python24 V Egaseat 01aug2005 from datetime import Date #
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