Console.time () is a function that JavaScript uses to display the runtime of the code, and now we're going to talk about this function in more detail and application examples.
If you need to know when your code executes during Web debugging, you
' This function can be based on the user given the time date, time, minutes, etc., as long as the user given different style parameters can display different styles of time and date.
function Formattime (Testtime,style)
Dim n,y,r,s,f,m
n = year
first, draw the image
1, open the geometry artboard, as shown in the picture, click the menu bar "drawing"--draw the new function.
2, in the Open new Function dialog box, first input two items, two items have no square, can be written as x*x.
About the type of time:
time_t Long representing the number of seconds elapsed from January 1, 1970 to the present.
#include
struct TM {
int tm_sec; /* seconds – The value range is [0,59]
/int tm_min; /* Divide-take the
The now () function gets the current date and time:Select Now ();/*+---------------------+| Now () |+---------------------+| 2009-05-18 20:11:24 |+---------------------+1 row in Set (0.02 sec)* * Ah, this function is often used by me, nothing just
1, year-month-dayecho Date (' y-m-j ');
2007-02-6
echo Date (' y-n-j ');
07-2-6
Capital Y represents a four-digit year, while lowercase y represents a two-digit number for the year;
Lowercase m represents the number of months (with leading), while
For a description of the range of values owned by each type and the valid format for the specified date and time value, see 7.3.6 Date and Time type.
Here is an example of using a date function. The following query selects all records and its
Date functionDescription: Returns the current system date.Syntax: Date
DATEADD functionDescription: Returns the date when the specified time interval has been added.Syntax: DateAdd (interval, number, date)Interval: Must choose. A string expression
Dynamic | function | date | example | Web page function Syntax Express example
Now () gets the current date and time of the system Dim MyVar MyVar = Today
' MyVar contains the current date and time.
Date date () Gets the system's current date Dim
(i) Date and time functions
1.DATE
Purpose: Returns the serial number that represents a specific date.
Syntax: Date (year, month, day)
Parameters: Year, for one to four bits, the parameter is interpreted according to the date system used. By
DAYOFWEEK (date)The return date is the day of the week (1= Sunday, 2 = Monday,...... 7= Saturday, ODBC Standard)Mysql> Select DAYOFWEEK (' 1998-02-03 ');3WEEKDAY (date)The return date is the day of the week (0= Monday, 1 = Tuesday,...... 6=
Get the current time with now () on the line.Format the time in the database with Date_forma T (date, format).Formats a date or date and time value according to format string, and returns the result string.You can use Date_format () to format a date
Students who write SQL often should be exposed to some of the Oracle's datetime functions, such as financial software or human resources software that is counted annually, quarterly, monthly, or even every week.Today is nothing to do, deliberately
In some Weibo systems, the time is usually displayed before the current time, such as: just five seconds ago, five hours ago, five days ago .. this display is very friendly, so how can we use php to implement it? this is the content discussed in
Reprinted, please indicate the source: the column of the curtain volume West Wind (http: blogcsdnnetljxfblog) has been working on data statistics in the background tool for games recently. mysql has used a lot of time functions, but I forget it, and
Mysql Time Functions summary mysql has some time functions, although not commonly used, but sometimes used during interviews.
1. convert the current time to the timestamp
select UNIX_TIMESTAMP();2. we generally do not directly describe the
The getYear () function is not recommended long ago, because it is incorrectly displayed in Firefox, And the getFullYear () function is recommended.Firefox does not support the innerText attribute. You need to change it to textContent to receive the
In some Weibo systems, the time is usually displayed before the current time, such as: Just five seconds ago, five hours ago, five days ago .. this display is very friendly, so how can we use php to implement it?
In some Weibo systems, the time is
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