大约有 20,000 项符合查询结果（耗时：0.0345秒） [XML]
Disable Required validation attribute under certain circumstances
I was wondering if it is possible to disable the Required validation attribute in certain controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when...
Button in a column, getting the row from which it came on the Click event handler
I've set the itemsource of my WPF Datagrid to a List of Objects returned from my DAL. I've also added an extra column which contains a button, the xaml is below.
...
MySQL: Insert record if not exists in table
...actually do what you were attempting:
CREATE TABLE `table_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varchar(255) NOT NULL,
`tele` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
Insert a record:
INSERT INTO table_listnames (n...
Postgres: Distinct but only for one column
...re than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
3 Answers
...
jekyll markdown internal links
...
Any idea how to internally link to a page?
– Dogweather
Nov 8 '12 at 1:54
1
...
What exactly is a C pointer if not a memory address?
...s a compiled or interpreted language.
A pointer value can be some kind of ID or handle or a combination of several IDs (say hello to x86 segments and offsets) and not necessarily a real memory address. This ID could be anything, even a fixed-size text string. Non-address representations may be espe...
Django Server Error: port is already in use
... On mac you need to use sudo lsof -i tcp:8000 then kill the process ids that show up.
– gordonc
Jan 21 '15 at 13:24
...
stopPropagation vs. stopImmediatePropagation
...{
handlePropagation(e);
console.log("Event handler on div: #" + this.id);
});
// Enable/disable propogation
$("button").click(function() {
var objectId = this.id;
$(this).toggleClass('active');
state[objectId] = $(this).hasClass('active');
console.log('---------------------'...
How do I use Maven through a proxy?
...
For details of setting up a proxy for Maven, see the mini guide.
Essentially you need to ensure the proxies section in either the global settings ([maven install]/conf/settings.xml), or user settings (${user.home}/.m2/settings.xml) is configured correctly. It is better to do this in ...
Inserting multiple rows in mysql
...ationship) table :
// get data
$table_1 = get_table_1_rows();
$table_2_fk_id = 123;
// prepare first part of the query (before values)
$query = "INSERT INTO `table` (
`table_1_fk_id`,
`table_2_fk_id`,
`insert_date`
) VALUES ";
//loop the table 1 to get all foreign keys and put it in arra...