大约有 6,180 项符合查询结果（耗时：0.0341秒） [XML]
Get records with max value for each group of grouped SQL results
...'s a super-simple way to do this in mysql:
select *
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`
This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order th...
What is REST? Slightly confused [closed]
...a of REST is treating objects on the server-side (as in rows in a database table) as resources than can be created or destroyed.
The most basic way of thinking about REST is as a way of formatting the URLs of your web applications. For example, if your resource was called "posts", then:
/posts Wou...
How do I output coloured text to a Linux terminal?
...ours)
bold/bright off 21
underline off 24
inverse off 27
See the table on Wikipedia for other, less widely supported codes.
To determine whether your terminal supports colour sequences, read the value of the TERM environment variable. It should specify the particular terminal type used (e...
How to make a div grow in height while having floats inside
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I figured that a great way to do it is setting display: table on the div.
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How can I convert a string to upper- or lower-case with XSLT?
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Here is the complete ANSI table: translate(%s, 'ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞŸŽŠŒ', 'abcdefghijklmnopqrstuvwxyzàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿžšœ')
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How does one output bold text in Bash?
..."\033[1mSome Text"
More on ansi escape sequences for example here: ascii-table.com/ansi-escape-sequences-vt-100.php
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How to select only the first rows for each unique value of a column
Let's say I have a table of customer addresses:
5 Answers
5
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How to sort strings in JavaScript
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No, I mean the first line of the table, @Adrien - IE supports localeCompare() going back many versions, but does not support specifying the locale until version 11. Note also the questions that Dead.Rabit linked to.
– Shog9
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Tab space instead of multiple non-breaking spaces (“nbsp”)?
...t you really want, but its browser support has been erratic. Failing that, table-layout or maybe flexbox are your best bets.
– Alohci
May 30 '17 at 12:53
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What is a mutex?
...ion (In critical section multi threads share a common variable, updating a table, writing a file and so on), it releases the lock when it leaves critical section.
What is a Race Condition?
A race condition occurs when two or more threads can access shared data and they try to change it at the same t...