大约有 6,000 项符合查询结果（耗时：0.0149秒） [XML]
DISTINCT for only one column
...| NOMBRES || MAIL
888 || T800 ARNOLD || t800.arnold@cyberdyne.com
123 || JOHN CONNOR || s.connor@skynet.com
125 || SARAH CONNOR ||s.connor@skynet.com
And you need to select only distinct mails.
You can do it with this:
SQL SELECT:
SELECT MAX(p.CLIENTE) AS ID_CLIENTE
, (SELECT TOP ...
Similar to jQuery .closest() but traversing descendants?
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123
If by "closest" descendant you mean the first child then you can do:
$('#foo').find(':first')...
Is it possible to forward-declare a function in Python?
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Borodin
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answered Oct 19 '09 at 19:36
RichNRichN
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Running Composer returns: “Could not open input file: composer.phar”
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If you followed instructions like these:
https://getcomposer.org/doc/00-intro.md
Which tell you to do the following:
$ curl -sS https://getcomposer.org/installer | php
$ mv composer.phar /usr/local/bin/composer
Then it's likely that you, like me, ran those commands and didn't ...
Binary Data in MySQL [closed]
...// Connect to the database (you may have to adjust
// the hostname, username or password).
mysql_connect("localhost", "root", "password");
mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), ...
How can I parse a YAML file in Python
... andilabs
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answered Nov 21 '09 at 0:23
JonJon
53.5k2929 gold badges1...
Formatting Decimal places in R
...)
# [1] "1.20"
format(round(1, 2), nsmall = 2)
# [1] "1.00"
format(round(1.1234, 2), nsmall = 2)
# [1] "1.12"
A more general function is as follows where x is the number and k is the number of decimals to show. trimws removes any leading white space which can be useful if you have a vector of numb...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
This question may look like a duplicate of: How to uninstall postgresql on my Mac (running Snow Leopard) however, there are two major differences. I'm running Lion and I'm trying to uninstall PostgreSQL 9.0.4. I've looked at the last question and the link that it referenced, but I did not find a f...
How can I post an array of string to ASP.NET MVC Controller without a form?
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Craig StuntzCraig Stuntz
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How do I get the APK of an installed app without root access?
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Accessing /data/app is possible without root permission; the permissions on that directory are rwxrwx--x. Execute permission on a directory means you can access it, however lack of read permission means you cannot obtain a listing of its contents --...