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Best way to do multi-row insert in Oracle?
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This works in Oracle:
insert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE)
select 8000,0,'Multi 8000',1 from dual
union all select 8001,0,'Multi 8001',1 from dual
The thing to remember here is to use the from dual statement.
(source)
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Entity Framework is Too Slow. What are my options? [closed]
...mplish.
Example:
Product product = db.Products.SingleOrDefault(p => p.Id == 10);
// executes SELECT * FROM Products WHERE Id = 10
ProductDto dto = new ProductDto();
foreach (Category category in product.Categories)
// executes SELECT * FROM Categories WHERE ProductId = 10
{
dto.Categories....
How to add footnotes to GitHub-flavoured Markdown?
...r superscript tags, e.g. <sup>1</sup>.
¹Of course this isn't ideal, as you are now responsible for maintaining the numbering of your footnotes. It works reasonably well if you only have one or two, though.
shar...
How to select a drop-down menu value with Selenium using Python?
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What do I do if I am using find_by_id? How do I supply the value then? Also, how do I find the xpath of an element?
– Prakhar Mohan Srivastava
Feb 23 '15 at 13:57
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN
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This question is already resolved, but...
...also consider the solution suggested by Wouter in his original comment. The ability to handle missing data, including dropna(), is built into pandas explicitly. Aside from potentially improved performance over doing it manually, these...
Django Reverse with arguments '()' and keyword arguments '{}' not found
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You have to specify project_id:
reverse('edit_project', kwargs={'project_id':4})
Doc here
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记一次数据库表自增长（Auto Increment）故障 - 数据库(内核) - 清泛网 - ...
...一个测试表说明问题：
CREATE TABLE IF NOT EXISTS `test` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(100) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
然后插入一行问题数据：
INSERT INTO test (id, name) VALUES (2147483647, 'x');
结果导致不能执...
Using CSS to affect div style inside iframe
Is it possible to change styles of a div that resides inside an iframe on the page using CSS only?
13 Answers
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Specifying an Index (Non-Unique Key) Using JPA
... indexes = {@Index(name = "i_company_activity", columnList = "activity_id,company_id")})
public class CompanyActivity{
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What are the main disadvantages of Java Server Faces 2.0?
...tly, apart from the relative steep learning curve when you don't have a solid background knowledge about basic Web Development (HTML/CSS/JS, server side versus client side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to ...