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Datepicker: How to popup datepicker when click on edittext
...he date, the date should show in edittext in dd/mm/yyyy format. PLease provide me sample code or good links.
28 Answers
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LEFT OUTER JOIN in LINQ
...
If a database driven LINQ provider is used, a significantly more readable left outer join can be written as such:
from maintable in Repo.T_Whatever
from xxx in Repo.T_ANY_TABLE.Where(join condition).DefaultIfEmpty()
If you omit the DefaultIfEmpty() yo...
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...
Run a callback only if an attribute has changed in Rails
...eRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these change...
Regex replace uppercase with lowercase letters
...e, you can just use ?: in the inner groups (i.e. non capture groups) or avoid creating them at all:
Find: ((?:[a-z][A-Z]+)|(?:[A-Z]+[a-z])) OR ([a-z][A-Z]+|[A-Z]+[a-z])
Replace: \L$1
2016-06-23 Edit
Tyler suggested by editing this answer an alternate find expression for #4:
(\B)([A-Z]+)
Acc...
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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foll...
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...
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....
What's the difference between using “let” and “var”?
...ing them before the initialization results in a ReferenceError. Variable said to be in "temporal dead zone" from the start of the block until the initialization is processed.
function checkHoisting() {
console.log(foo); // ReferenceError
let foo = "Foo";
console.log(foo); // Foo
}
checkHoist...
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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