大约有 40,000 项符合查询结果（耗时：0.0644秒） [XML]
PostgreSQL - fetch the row which has the Max value for a column
...a table with 158k pseudo-random rows (usr_id uniformly distributed between 0 and 10k, trans_id uniformly distributed between 0 and 30),
By query cost, below, I am referring to Postgres' cost based optimizer's cost estimate (with Postgres' default xxx_cost values), which is a weighed function estima...
Parsing CSV files in C#, with header
...
answered Jan 17 '10 at 15:23
marc_smarc_s
650k146146 gold badges12251225 silver badges13551355 bronze badges
...
How to convert all tables from MyISAM into InnoDB?
...$sql);
while($row = mysql_fetch_array($rs))
{
$tbl = $row[0];
$sql = "ALTER TABLE `$tbl` ENGINE=INNODB";
mysql_query($sql);
}
?>
share
|
improve this answer
...
Can I change the height of an image in CSS :before/:after pseudo-elements?
...fter {
background-image: url('/images/pdf.png');
background-size: 10px 20px;
display: inline-block;
width: 10px;
height: 20px;
content:"";
}
See the full Compatibility Table at the MDN.
share
...
Use Font Awesome Icon As Favicon
... |
edited Aug 9 '13 at 22:09
answered Aug 9 '13 at 21:59
Re...
Should functions return null or an empty object?
...
207
votes
Returning null is usually the best idea if you intend to indicate that no da...
Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...ned. Something along those lines.
If evilsite.com does this for the top 20 or so bank institutions, they'd have a pretty good idea of which banking sites you visit, and could provide a much more targeted phishing page. (This is just one example, of course. But it illustrates why browsers shouldn'...
How to completely remove an issue from GitHub?
...
Update Nov 2018: You now can delete your issues!
See "Github - remove issues entered in error"
At May 2018, original answer:
Three 8 years later, and closing issues remains the answer (still no deletion possible).
See "The Ghost of...
Include another JSP file
... |
edited Aug 11 '14 at 7:02
Marvo
16.1k88 gold badges4545 silver badges6969 bronze badges
answered Feb ...
Resize image in the wiki of GitHub using Markdown
...le:
Old Answer:
This should work:
[[ http://url.to/image.png | height = 100px ]]
Source: https://guides.github.com/features/mastering-markdown/
share
|
improve this answer
|
...