大约有 16,000 项符合查询结果(耗时:0.0313秒) [XML]
JOIN queries vs multiple queries
...ow table. Basically looked like:
$id = mt_rand(1, 50000);
$row = $db->fetchOne("SELECT * FROM table1 WHERE id = " . $id);
$row = $db->fetchOne("SELECT * FROM table2 WHERE other_id = " . $row['other_id']);
vs
$id = mt_rand(1, 50000);
$db->fetchOne("SELECT table1.*, table2.*
FROM tabl...
How can I force clients to refresh JavaScript files?
...
This uses PHP tags and if one uses PHP, it is indeed a good idea.
– Jerther
Apr 19 '17 at 12:31
3
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URL Encode a string in jQuery for an AJAX request
...s with plus signs may work, but if you have other characters (with umlauts etc), you are going to be in heap of trouble.
– Uku Loskit
Jul 1 '11 at 7:06
1
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Change MySQL default character set to UTF-8 in my.cnf?
...ve that directive and you should be good.
Then your configuration file ('/etc/my.cnf' for example) should look like that:
[mysqld]
collation-server = utf8_unicode_ci
init-connect='SET NAMES utf8'
character-set-server = utf8
Restart MySQL.
For making sure, your MySQL is UTF-8, run the following qu...
How to access the content of an iframe with jQuery?
...).
A workaround is saving the external contents in a file, for example (in PHP):
<?php
$contents = file_get_contents($external_url);
$res = file_put_contents($filename, $contents);
?>
then, get the new file content (string) and parse it to html, for example (in jquery):
$.get(file_...
Accessing localhost (xampp) from another computer over LAN network - how to?
...ig > Apache (httpd-xampp.conf)
Search for
<Directory "C:/xampp/phpMyAdmin">
AllowOverride AuthConfig
**Require local** Replace with **Require all granted**
ErrorDocument 403 /error/XAMPP_FORBIDDEN.html.var
</Directory>```
Go to xampp > config >...
How to explain callbacks in plain english? How are they different from calling one function from ano
...a.results ? jsondata.results.length : 0;
$('#counter_messages').text(['Fetched', count, 'new items'].join(' '));
$('#results_messages').html(jsondata.results || '(no new messages)');
}
With Callback:
Here is an example with a callback, using jQuery's getJSON:
function processDataCB(jsondat...
全食超市(Whole Foods Market)——精品超市的运营之道 - 资讯 - 清泛网 -...
...质量监督委员会评估监督并建立食品安全档案,一旦发现问题立即启动产品召回机制;3)所有产品均建立全食超市自有品质评价体系,依据产品生产过程按照1分—5+分详细分类,给予消费者充分自主选择权。
营销:关注产品背...
What's valid and what's not in a URI query?
...
@NasBanov And yet others (e.g. PHP) will interpret it as { q: 3 }
– Nicholas Shanks
Nov 17 '16 at 15:19
1
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...cus which is what happens when you keep switching from js to PHP / JAVA / etc.
Generally, I think most people prefer to do as much as possible on the server side because they don't master js, so they try to avoid it as much as possible.
Basically, I have the same opinion as those guys that are wo...
