datetime to int

C # common Datetime skills, C # common skills // TodayDateTime. Now. Date. tow.datestring ();// Subtract one from yesterday, that is, today's dateDateTime. Now. AddDays (-1). tow.datestring ();// Tomorrow, similarly, add oneDateTime. Now. AddDays (1)

The DateTime class is used in. NET to process time-type data.First, the fieldMaxValue represents the maximum possible value for a DateTime. This field is read-only.MinValue represents the minimum possible value for a DateTime. This field is

operating Environment: Python3.4 #-*-Coding:utf-8-*-#datetime类 #datetime是date与time的结合体, including all information about date and time. #它的构造函数如下: #datetime. DateTime (year, month, day[, hour[, minute[, second[, microsecond[, Tzinfo]]]

Int (1). 4 byte storage, the length of the int is 4 bytes, the storage space is less than datatime, the int index storage space is also relatively small, the sorting and the query efficiency is relatively higher a little(2) The readability is

During MySQL query time period, it will be more efficient to select INT, or will it be more efficient to select DateTime? To solve this problem, we will perform a test to see whether INT or DateTime should be used in the MySQL query

usually storage time with datetime type, and now many systems also use int storage time, what difference do they have? Individuals prefer to use int this is good for date calculations, so let's look at the kind of things that would be better. int(1).

Description of whether the MySQL time field uses INT or DateTime. When parsing DEDECMS today, we found that the MYSQL time fields of deder all use 'senddata' int (10) unsignedNOTNULLDEFAULT0. then we found this article online, it seems that if the

Today, when parsing dedecms, the MySQL time field found in Deder is usedint (notNULLDEFAULT'0';Then found this article on the Internet, it seems that if the time field has to participate in the operation, with int better, one does not have to

When parsing DEDECMS today, we found that the MYSQL time fields of deder use the INT type, and then we found this article online. it seems that if the time field is involved in the calculation, it would be better to use the int type, first, you do

When parsing DEDECMS today, we found that deder's MYSQL time fields are all used 'Senddata' int (10) unsigned not null default '0 '; Later, I found this article on the Internet. It seems that if the time field is involved in the