大约有 16,380 项符合查询结果(耗时:0.0348秒) [XML]
How is the java memory pool divided?
I’m currently monitoring a Java application with jconsole. The memory tab lets you choose between:
4 Answers
...
Convert a list of objects to an array of one of the object's properties
...
You are looking for
MyList.Select(x=>x.Name).ToArray();
Since Select is an Extension method make sure to add that namespace by adding a
using System.Linq
to your file - then it will show up with Intellisense.
...
Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
...
How to `go test` all tests in my project?
The go test command covers *_test.go files in only one dir.
3 Answers
3
...
How do you tell Resharper that a method parameter is a string containing a CSS class?
[Enable intellisense on HTMLHelper attribute for css classes]
1 Answer
1
...
Ansible: Set variable to file content
I'm using the ec2 module with ansible-playbook I want to set a variable to the contents of a file. Here's how I'm currently doing it.
...
Nested select statement in SQL Server
...
You need to alias the subquery.
SELECT name FROM (SELECT name FROM agentinformation) a
or to be more explicit
SELECT a.name FROM (SELECT name FROM agentinformation) a
share
...
Rails - Validate Presence Of Association?
I have a model A that has a "has_many" association to another model B. I have a business requirement that an insert into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation?
...
ASP MVC href to a controller/view
...
There are a couple of ways that you can accomplish this. You can do the following:
<li>
@Html.ActionLink("Clients", "Index", "User", new { @class = "elements" }, null)
</li>
or this:
<li>
<a href="@Url.Action("Index", "Users")" class=...
LINQ Distinct operator, ignore case?
Given the following simple example:
4 Answers
4
...