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Why does range(start, end) not include end?
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Exclusive ranges do have some benefits:
For one thing each item in range(0,n) is a valid index for lists of length n.
Also range(0,n) has a length of n, not n+1 which an inclusive range would.
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Removing duplicates in lists
... duplicates and if it does it removes them and returns a new list with the items that weren't duplicated/removed. This is what I have but to be honest I do not know what to do.
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Ruby Arrays: select(), collect(), and map()
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It looks like details is an array of hashes. So item inside of your block will be the whole hash. Therefore, to check the :qty key, you'd do something like the following:
details.select{ |item| item[:qty] != "" }
That will give you all items where the :qty key isn't an ...
C# SQL Server - Passing a list to a stored procedure
...ur User Defined Table Type:
CREATE TYPE [dbo].[StringList] AS TABLE(
[Item] [NVARCHAR](MAX) NULL
);
Next you need to use it properly in your stored procedure:
CREATE PROCEDURE [dbo].[sp_UseStringList]
@list StringList READONLY
AS
BEGIN
-- Just return the items we passed in
SELECT...
Convert list to dictionary using linq and not worrying about duplicates
...g Distinct() and and no grouping is:
var _people = personList
.Select(item => new { Key = item.Key, FirstAndLastName = item.FirstAndLastName })
.Distinct()
.ToDictionary(item => item.Key, item => item.FirstFirstAndLastName, StringComparer.OrdinalIgnoreCase);
I don't know if i...
Equivalent to 'app.config' for a library (DLL)
...ion string body goes here" />
</appSettings>
OR
An xml file is best equivalent for app.config. Use xml serialize/deserialize as
needed. You can call it what every you want. If your config is "static"
and does not need to change, your could also add it to the project as an
embedded reso...
Case-Insensitive List Search
... Well, since I actually needed the index, this was definitely the best answer for me.
– Nyerguds
Jan 20 '14 at 12:22
1
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Maximum number of items that can be serialized or deserialized in an o...
报错消息：
Maximum number of items that can be serialized or deserialized in an object graph is '65536'. Change the object graph or increase the MaxItemsInObjectGraph quota.
修改如下相应的WCF配置，即可解决。
服务器端：
<system.serviceModel>
<beh...
Descending order by date filter in AngularJs
...t;
<div ng-controller="FooController">
<ul ng-repeat="item in items | orderBy:'num':true">
<li>{{item.num}} :: {{item.desc}}</li>
</ul>
</div>
</div>
And the JavaScript:
function FooController($scope) {
$scope.items...
How to construct a set out of list items in python?
...'t duck typing great?)
If you want to do it iteratively:
s = set()
for item in iterable:
s.add(item)
But there's rarely a need to do it this way. I only mention it because the set.add method is quite useful.
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