大约有 40,000 项符合查询结果（耗时：0.0591秒） [XML]
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...
as this will allow index use without calculation.
EDIT
As pointed out by Used_By_Already, in the time since the inital answer in 2012, there have emerged versions of MySQL, where using '23:59:59' as a day end is no longer safe. An updated version should read
SELECT * FROM tablename
WHERE colu...
Android: How do I get string from resources using its name?
...nippet.
Also note that the whole language dependency can be taken care of by the android framework.
Simply create different folders for each language. If english is your default language, just put the english strings into res/values/strings.xml. Then create a new folder values-ru and put the russi...
Formatting Numbers by padding with leading zeros in SQL Server
We have an old SQL table that was used by SQL Server 2000 for close to 10 years.
13 Answers
...
What is The Rule of Three?
... What happens here?
b = a; // And here?
}
(If you are puzzled by the name(name), age(age) part,
this is called a member initializer list.)
Special member functions
What does it mean to copy a person object?
The main function shows two distinct copying scenarios.
The initialization perso...
Are there any standard exit status codes in Linux?
...andler which then calls exit normally, so it isn't actually getting killed by the signal. (Programs can chose to handle any signals aside from SIGKILL and SIGSTOP.)
share
|
improve this answer
...
What does “%.*s” mean in printf?
...
By specifying a length, we can get around printing (or sprintf) 'ing a string which has no null terminator, for example a string which is input from any stream or file based source. Which is far more often the use case I have...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...t Amos has a function that outputs a string immediately and isn't affected by these problems: stackoverflow.com/a/11315561/1403755
– TorranceScott
Aug 14 '14 at 21:38
6
...
Set time to 00:00:00
...s used for the 12-hour
clock (0 - 11). Noon and midnight are represented by 0, not by 12.
E.g., at 10:04:15.250 PM the HOUR is 10.
and
public static final int HOUR_OF_DAY
Field number for get and set
indicating the hour of the day. HOUR_OF_DAY is used for the 24-hour
clock. E.g., ...
How and why does 'a'['toUpperCase']() in JavaScript work?
...tring.prototype. Since this property references a method, we can invoke it by attaching ()
'a'['toUpperCase']();
share
|
improve this answer
|
follow
|
...
Correct way to delete cookies server-side
...ith ; expires appended will not destroy the cookie.
Invalidate the cookie by setting an empty value and include an expires field as well:
Set-Cookie: token=deleted; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The client can configure ...