大约有 45,000 项符合查询结果（耗时：0.0466秒） [XML]
Adding custom radio buttons in android
...or xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:drawable="@drawable/b"
android:state_checked="true"
android:state_pressed="true" />
<item
android:drawable="@drawable/a"
android:state_pressed="true" />
&l...
What is the difference between “text” and new String(“text”)?
...
new String("text");
explicitly creates a new and referentially distinct instance of a String object; String s = "text"; may reuse an instance from the string constant pool if one is available.
You very rarely would ever want to use the new String(ano...
Rails layouts per action?
...follow
|
edited Jun 10 '19 at 20:25
answered Jun 11 '10 at 19:58
...
UITextView that expands to text using auto layout
... that is laid out completely using auto layout programmatically. I have a UITextView in the middle of the view with items above and below it. Everything works fine, but I want to be able to expand UITextView as text is added. This should push everything below it down as it expands.
...
pandas dataframe columns scaling with sklearn
I have a pandas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works:
...
What is the reason why “synchronized” is not allowed in Java 8 interface methods?
In Java 8, I can easily write:
2 Answers
2
...
How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
...
You can subclass HandleErrorAttribute and override its OnException member (no need to copy) so that it logs the exception with ELMAH and only if the base implementation handles it. The minimal amount of code you need is as follows:
using System.Web.Mvc;
using Elmah;
public ...
How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
...
Dealing with float precision in Javascript [duplicate]
...
From this post: How to deal with floating point number precision in JavaScript?
You have a few options:
Use a special datatype for decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x...
setTimeout / clearTimeout problems
I try to make a page to go to the startpage after eg. 10sec of inactivity (user not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript.
...