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async/await - when to return a Task vs void?
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1) Normally, you would want to return a Task. The main exception should be when you need to have a void return type (for events). If there's no reason to disallow having the caller await your task, why disallow it?
2) async methods...
实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的话，通常就是Polling；如果是服务端推的话，一般就是Comet，目前比较流行的Comet...客户端和服务端的交互有推和拉两种方式：如果是客户端拉的话，通常就是Polling；如果是服务端推的话，一般就是Comet，目前比较流行的Comet实...
How to click or tap on a TextView text
...Don't forget the clickable attribute, without it, the click handler isn't called.
main.xml
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<TextView
android:id="@+id/click"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Click Me"
androi...
NSString property: copy or retain?
Let's say I have a class called SomeClass with a string property name:
10 Answers
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Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...() {
$('#result').html('"PassThings()" successfully called.');
},
failure: function (response) {
$('#result').html(response);
}
});
});
public void PassThings(List<Thing> things)
{
var t = things;
}
public class Th...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
Why C# implements methods as non-virtual by default?
...on in the class can be plugged out and replaced by another, which is not really a good thing. Many people even believe that classes should have been sealed by default.
virtual methods can also have a slight performance implication. This is not likely to be the primary reason, however.
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If unit testing is so great, why aren't more companies doing it? [closed]
The first real software company that I worked at was all about the unit testing (NUnit). I don't know that we were real sticklers for it back then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testi...
How to split a string into an array of characters in Python?
... to look around the web for answers to splitting a string into an array of characters but I can't seem to find a simple method
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Is there a C++ decompiler? [closed]
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You can use IDA Pro by Hex-Rays. You will usually not get good C++ out of a binary unless you compiled in debugging information. Prepare to spend a lot of manual labor reversing the code.
If you didn't strip the binaries there is some hope as IDA Pro can produce C-alik...