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How to use Checkbox inside Select Option
... examples. You can also view the source.
<div>
<div class="form-group row">
<label class="col-sm-2">
Basic Select
</label>
<div class="col-sm-10">
<select multiple="multiple">
<option value="1">1</option>
<...
Sublime Text 2 and 3: open the same file multiple times
...second tab for the same file. This can be moved into another window or tab group.
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ruby on rails f.select options with custom attributes
...ncy_code}] },
selected_key = f.object.country_id) %>
If you need grouped options, you can use the grouped_options_for_select helper, like this (if @continents is an array of continent objects, each having a countries method):
<%= f.select :country_id, grouped_options_for_select(
@c...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...to create any kind of standard. Instead, I will make suggestions on how to group and name files in a logical convenient way. Your Project Let’s assume you are building an HTML5 application. In some cases you may use the root of your server as the main container but for the purpose of this article ...
Delete duplicate records in SQL Server?
...from Employee
where ID not in
(
select min(ID)
from Employee
group by EmployeeName
);
This will leave the version with the lowest ID in the table.
Edit
Re McGyver's comment - as of SQL 2012
MIN can be used with numeric, char, varchar, uniqueidentifier, or datetime columns, but...
Explain the encapsulated anonymous function syntax
...ion foo() {
alert(2 + 2);
}());
The Parentheses (formally called the Grouping Operator) can surround only expressions, and a function expression is evaluated.
The two grammar productions can be ambiguous, and they can look exactly the same, for example:
function foo () {} // FunctionDeclarat...
How can I insert values into a table, using a subquery with more than one result?
...
You want:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article where name like 'ABC%';
where you just hardcode the constant fields.
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linq query to return distinct field values from a list of objects
...t; x.typeID);
This only works for LINQ to Objects though.
You can use a grouping or a lookup, it's just somewhat annoying and inefficient:
var distinct = list.GroupBy(x => x.typeID, (key, group) => group.First());
...
C# Linq常用排序、Group使用方法 - .NET(C#) - 清泛IT论坛，有思想、有深度
单字段排序：
多字段排序：
Using DISTINCT and COUNT together in a MySQL Query
...this:
Select count(*), productid
from products
where keyword = '$keyword'
group by productid
that will give you a list like
count(*) productid
----------------------
5 12345
3 93884
9 93493
This allows you to see how many of each distinct produc...