大约有 21,000 项符合查询结果（耗时：0.0293秒） [XML]
Finding duplicate values in MySQL
...
But how is this useful if you can't get the IDs of the rows with duplicate values? Yes, you can do a new query matching for each duplicate value, but is it possible to simply list the duplicates?
– NobleUplift
Jul 24 '14 at 14:41
...
How to change identity column values programmatically?
I have a MS SQL 2005 database with a table Test with column ID . ID is an identity column.
13 Answers
...
Hide keyboard when scroll UITableView
In my app i want hide keyboard when i start scrolling UITableView. I search about this in internet, and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
...
How to have conditional elements and keep DRY with Facebook React's JSX?
...at should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement.
...
PDO get the last ID inserted
I have a query, and I want to get the last ID inserted. The field ID is the primary key and auto incrementing.
3 Answers
...
How to get GET (query string) variables in Express.js on Node.js?
...s it's already done for you and you can simply use req.query for that:
var id = req.query.id; // $_GET["id"]
Otherwise, in NodeJS, you can access req.url and the builtin url module to url.parse it manually:
var url = require('url');
var url_parts = url.parse(request.url, true);
var query = url_part...
How to see query history in SQL Server Management Studio
...ight tracing filtered on your login or host name (but please use a server-side trace, not Profiler, for this).
As @Nenad-Zivkovic commented, it might be helpful to join on sys.dm_exec_query_stats and order by last_execution_time:
SELECT t.[text], s.last_execution_time
FROM sys.dm_exec_cached_pla...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t($socket, -1)) { // 这样设置不超时才油用
static $id = 0;
static $ct = 0;
$ct_last = $ct;
$ct_data = '';
$buffer = '';
$id++; // increase on each accept
echo "Client $id come./n";
...
Linq code to select one item
...use the extension methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference types):
var item = Items.FirstOrDefault(i => i.Id == ...
What is the “owning side” in an ORM mapping?
What exactly does the owning side mean? What is an explanation with some mapping examples ( one to many, one to one, many to one )?
...