大约有 42,000 项符合查询结果（耗时：0.0705秒） [XML]
Handler vs AsyncTask vs Thread [closed]
I got slightly confused about the differences between Handlers , AsyncTask and Threads in Android. I've read quite a few blogs and questions here in StackOverflow.
...
How to calculate moving average using NumPy?
There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions .
...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement.
...
What does OSGi solve?
I've read on Wikipedia and other sites about OSGi , but I don't really see the big picture. It says that it's a component-based platform, and that you can reload modules at runtime. Also the "practical example" given everywhere is the Eclipse Plugin Framework.
...
Trying to embed newline in a variable in bash [duplicate]
I have
7 Answers
7
...
Create numpy matrix filled with NaNs
I have the following code:
8 Answers
8
...
How to check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
...
Understanding Python's “is” operator
What does it really mean?
11 Answers
11
...
Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
Does Javascript pass by reference? [duplicate]
Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the func...