大约有 13,300 项符合查询结果（耗时：0.0400秒） [XML]
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
...] initWithFrame:CGRectMake(0.0f, 0.0f, self.tableView.bounds.size.width, 0.01f)];
I like this solution better than setting a somewhat arbitrary contentInset.top because I use the contentInset.top dynamically as well. Having to remember to remove an extra 35px whenever I recalculate contentInset.t...
Set NOW() as Default Value for datetime datatype?
...an/5.7/en/timestamp-initialization.html
http://optimize-this.blogspot.com/2012/04/datetime-default-now-finally-available.html
Prior to 5.6.5, you need to use the TIMESTAMP data type, which automatically updates whenever the record is modified. Unfortunately, however, only one auto-updated TIMESTAMP...
MySQL order by before group by
... (`id`, `title`, `post_date`, `post_author`)
VALUES
(1, 'Title1', '2013-01-01 00:00:00', 'Jim'),
(2, 'Title2', '2013-02-01 00:00:00', 'Jim')
;
The subquery is going to return the max date and author of:
MaxPostDate | Author
2/1/2013 | Jim
Then since you are joining that back to th...
Find objects between two dates MongoDB
...eems to work.
items.save({
name: "example",
created_at: ISODate("2010-04-30T00:00:00.000Z")
})
items.find({
created_at: {
$gte: ISODate("2010-04-29T00:00:00.000Z"),
$lt: ISODate("2010-05-01T00:00:00.000Z")
}
})
=> { "_id" : ObjectId("4c0791e2b9ec877893f3363b"), "n...
Is it possible to specify a starting number for an ordered list?
...mber to be 6. I found that this was supported (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the start attribute)
...
Strtotime() doesn't work with dd/mm/YYYY format
...
Here is the simplified solution:
$date = '25/05/2010';
$date = str_replace('/', '-', $date);
echo date('Y-m-d', strtotime($date));
Result:
2010-05-25
The strtotime documentation reads:
Dates in the m/d/y or d-m-y formats are disambiguated by looking at the separato...
SQL Server dynamic PIVOT query?
... category varchar(3),
amount money
)
insert into temp values ('1/1/2012', 'ABC', 1000.00)
insert into temp values ('2/1/2012', 'DEF', 500.00)
insert into temp values ('2/1/2012', 'GHI', 800.00)
insert into temp values ('2/10/2012', 'DEF', 700.00)
insert into temp values ('3/1/2012', 'ABC', 11...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ace objects, 0(0B) LOS objects, 75% free, 23MB/95MB, paused 2.227ms total 101.692ms
......
我们知道，类似上面logcat打印一样，触发垃圾回收的主要原因有以下几种：
GC_MALLOC——内存分配失败时触发；
GC_CONCURRENT——当分配的对象大小超过...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...03/2009 | ... |
| 7 | 13 | 24/12/2008 | borat | 600 | 8 | 13 | 01/01/2009 | ... |
| 8 | 13 | 01/01/2009 | borat | 700 | NULL | NULL | NULL | ... | *
+------------------------------------------+--------------------------------+
Finally, the WHERE clause keeps only the pairs...
Can't subtract offset-naive and offset-aware datetimes
...g information about time zone may be a better idea: stackoverflow.com/a/4530166/548696
– Tadeck
Jun 21 '12 at 4:59
7
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