大约有 20,000 项符合查询结果（耗时：0.0377秒） [XML]
How to compute the similarity between two text documents?
I am looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
...
What are C++ functors and their uses?
I keep hearing a lot about functors in C++. m>Ca m>n someone give me an overview as to what they are and in what m>ca m>ses they would be useful?
...
Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our applim>ca m>tion.
18 Answers
...
Should functions return null or an empty object?
What is the best practice when returning data from functions. Is it better to return a Null or an empty object? And why should one do one over the other?
...
How to pretty-print a numpy.array without scientific notation and with given precision?
I'm curious, whether there is any way to print formatted numpy.arrays , e.g., in a way similar to this:
14 Answers
...
More elegant way of declaring multiple variables at the same time
To declare multiple variables at the "same time" I would do:
10 Answers
10
...
Differences between Octave and MATLAB? [closed]
I'm a programmer who knows Python, Ruby and some C who is trying to decide whether to learn GNU Octave or Matlab. I know that they have a lot in common , but it isn't clear to me how similar the syntax is or even the data structures are. The above link shows several examples where they are syntacti...
Building and running app via Gradle and Android Studio is slower than via Eclipse
I have a multi-project (~10 modules) of which building takes about 20-30 seconds each time. When I press Run in Android Studio, I have to wait every time to rebuild the app, which is extremely slow.
...
How does the new automatic reference counting mechanism work?
Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
...