大约有 44,000 项符合查询结果（耗时：0.0616秒） [XML]
How do I delete a fixed number of rows with sorting in PostgreSQL?
...g where id = any (array( select id from cs_logging where date_created < now() - interval '1 days' * 30 and partition_key like '%I' order by id limit 500 )) Slow one: delete from cs_logging where id in ( select id from cs_logging where date_created < now() - interval '1 days' * 30 and partition...
How to use GNU Make on Windows?
...targets specified and no makefile found. Stop.
Which means it's working now!
share
|
improve this answer
|
follow
|
...
How to optimize for-comprehensions and loops in Scala?
...
Now, in 2014, I tested this again and for me performance is the following: java -> 0.3s; scala -> 3.6s; scala optimized -> 3.5s; scala functional -> 4s; Looks much better than 3 years ago, but... Still th...
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...yForObject(sql, args, Integer.class);
}
And then the non deprecated code now must be replaced with the ugly:
queryForObject(sql, new Object { arg1, arg2, ...}, Integer.class);
or this (nicer):
queryForObject(sql, Integer.class, arg1, arg2, ...);
...
How do I remove the space between inline/inline-block elements?
... <li>Item 1
<li>Item 2
<li>Item 3
</ul>
Now that I've gone and bored you to death with "one thousand different ways to remove whitespace, by thirtydot", hopefully you've forgotten all about font-size: 0.
Alternatively, you can now use flexbox to achieve many of ...
Fade Effect on Link Hover?
...
Nowadays people are just using CSS3 transitions because it's a lot easier than messing with JS, browser support is reasonably good and it's merely cosmetic so it doesn't matter if it doesn't work.
Something like this gets th...
Setting up a deployment / build / CI cycle for PHP projects
...
@Ryan, I don't know what happend. I do know, that you can try others. Maybe you could try: CircleCI or you could check this topic: Hosted Continuous Integration for PHP?
– Michiel
Nov 14 '12 at 14:24
...
Fastest way to serialize and deserialize .NET objects
... G'day Marc, love the protocol-buffers work you've done and I know this post is almost 5yrs old but the netserializer quoted in an answer here (Binoj) has metrics indicating your implementation isn't the fastest. Is that a fair statement/advertisement or is there a trade off? thanks
...
How to make Eclipse behave well in the Windows 7 taskbar?
...ipse. Still not working! 8. Unpin from taskbar and pin again. (???) 9. And NOW it works...
– MarioVilas
Jul 14 '12 at 16:37
...
SQL select only rows with max value on a column [duplicate]
...
I know that MySQL allows you to add non aggregate fields to a "grouped by" query, but I find that kinda pointless. Try running this select id, max(rev), rev from YourTable group by id and you see what I mean. Take your time and ...