大约有 39,000 项符合查询结果（耗时：0.0682秒） [XML]
calculating the difference in months between two dates
...out how exactly you want it to work.
For example, should dates like July 5, 2009 and August 4, 2009 yield one month or zero months difference? If you say it should yield one, then what about July 31, 2009 and August 1, 2009? Is that a month? Is it simply the difference of the Month values for the ...
Creating a system overlay window (always on top)
...
158
This might be a stupid solution. But it works. If you can improve it, please let me know.
OnCr...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...
Bill KarwinBill Karwin
437k7777 gold badges585585 silver badges740740 bronze badges
3
...
Swapping column values in MySQL
...TABLE `swap_test` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`x` varchar(255) DEFAULT NULL,
`y` varchar(255) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
INSERT INTO `swap_test` VALUES ('1', 'a', '10');
INSERT INTO `swap_test` VALUES ('2', NULL, '20');
INSERT INTO `swap_test` VALUES ('3',...
Javascript - How to extract filename from a file input control
....
– Yogi Yang 007
May 13 '09 at 12:35
I added these two lines of code to extract just the file name without extension:...
MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
...d be exactly equivalent performance wise.
http://dev.mysql.com/doc/refman/5.6/en/insert.html says:
INSERT inserts new rows into an existing table. The INSERT ... VALUES and INSERT ... SET forms of the statement insert rows based on explicitly specified values. The INSERT ... SELECT form inserts...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...
towrytowry
3,19611 gold badge1515 silver badges2323 bronze badges
...
How to show soft-keyboard when edittext is focused
...
650
To force the soft keyboard to appear, you can use
EditText yourEditText= (EditText) findViewBy...
Secure hash and salt for PHP passwords
It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection.
...