大约有 3,000 项符合查询结果（耗时：0.0103秒） [XML]
How to get distinct values for non-key column fields in Laravel?
... Ok, you've added value by showing us that one can also pass params of field names to the get() method (and I've tested also to the first() method), which is equivalent to using the select() method as shown in a few answers here. Though somehow groupBy still seems to score the highest....
using jquery $.ajax to call a PHP function
...ert(output);
}
});
On the server side, the action POST parameter should be read and the corresponding value should point to the method to invoke, e.g.:
if(isset($_POST['action']) && !empty($_POST['action'])) {
$action = $_POST['action'];
switch($action) {
...
How to join two JavaScript Objects, without using JQUERY [duplicate]
... JSON objects, please notice that this function merges all JSON into first param (target), if you need new object modify this code.
var mergeJSON = function (target, add) {
function isObject(obj) {
if (typeof obj == "object") {
for (var key in obj) {
if (obj....
Vertical line using XML drawable
... </shape>
</rotate>
However, the only problem is the layout params defined in your layout xml will be the dimensions used to draw the original shape. Meaning if you want your line to be 30dp tall, you need to define a layout_width of 30dp in your layout xml. But the final width will ...
MySQL, Check if a column exists in a table with SQL
... This is nicer than the "SHOW COLUMNS" approach below as can be used in parameterized queries reducing the risk of SQL injection. Just wanted to add you can use the DATABASE() function to populate the TABLE_SCHEMA column.
– Andrew
Jul 16 '18 at 10:08
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Getting the name of the currently executing method
... to retrieve all other information of the method including annotations and parameter names. This makes it possible to distinguish between specific methods with the same name (method overload).
Note that according to the JavaDoc of getEnclosingMethod() this trick should not throw a SecurityException...
git - diff of current changes before committing
...
It didn't occur to me to invoke git diff with no params. Thanks!
– kikito
Mar 6 '12 at 13:13
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What does inverse_of do? What SQL does it generate?
...seful. You can still generate a User @user with his association @user.role(params[:role_id]) so that saving the user would not result in a failing validation of the Assignment model.
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SQL - Query to get server's IP address
...remote connections) so just thought to clarify what the ConnectionProperty params meant. Of course Chris Leonard's answer (dm_exec_connections) also is correct, for the same reasons. If you think my addendum is better off as separate answer than feel free to make it so :) Haven't answered Qs for a w...
retrieve links from web page using python and BeautifulSoup [closed]
...l-parks")
soup = BeautifulSoup(resp, parser, from_encoding=resp.info().get_param('charset'))
for link in soup.find_all('a', href=True):
print(link['href'])
or the Python 2 version:
from bs4 import BeautifulSoup
import urllib2
parser = 'html.parser' # or 'lxml' (preferred) or 'html5lib', if...