大约有 24,000 项符合查询结果（耗时：0.0409秒） [XML]
JavaScript for…in vs for
Do you think there is a big difference in for...in and for loops? What kind of "for" do you prefer to use and why?
23 Answe...
Is there a better Windows Console Window? [closed]
I find working on the command line in Windows frustrating, primarily because the console window is wretched to use compared to terminal applications on linux and OS X such as "rxvt", "xterm", or "Terminal". Major complaints:
...
At runtime, find all classes in a Java application that extend a base class
... use org.reflections:
Reflections reflections = new Reflections("com.mycompany");
Set<Class<? extends MyInterface>> classes = reflections.getSubTypesOf(MyInterface.class);
Another example:
public static void main(String[] args) throws IllegalAccessException, InstantiationExceptio...
How to assert output with nosetest/unittest in python?
...
I use this context manager to capture output. It ultimately uses the same technique as some of the other answers by temporarily replacing sys.stdout. I prefer the context manager because it wraps all the bookkeeping into a single function, so I don't have t...
Multiple linear regression in Python
I can't seem to find any python libraries that do multiple regression. The only things I find only do simple regression. I need to regress my dependent variable (y) against several independent variables (x1, x2, x3, etc.).
...
Benchmarking small code samples in C#, can this implementation be improved?
...often on SO I find myself benchmarking small chunks of code to see which implemnetation is fastest.
11 Answers
...
How to check for an undefined or null variable in JavaScript?
We are frequently using the following code pattern in our JavaScript code
24 Answers
2...
How to add items to a spinner in Android?
How to add items to a spinner?
11 Answers
11
...
AsyncTask and error handling on Android
...ndler to AsyncTask . The latter is great at what it does - asynchronous updates and handling of results in the main UI thread. What's unclear to me is how to handle exceptions if something goes haywire in AsyncTask#doInBackground .
...
MYSQL OR vs IN performance
I am wondering if there is any difference in regards to performance between the following
14 Answers
...