大约有 10,170 项符合查询结果（耗时：0.0286秒） [XML]
What is difference between functional and imperative programming languages?
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the dif...
What method in the String class returns only the first N characters?
I'd like to write an extension method to the String class so that if the input string to is longer than the provided length N , only the first N characters are to be displayed.
...
Get specific line from text file using just shell script
I am trying to get a specific line from a text file.
10 Answers
10
...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
...
JsonMappingException: out of START_ARRAY token
Given the following .json file:
4 Answers
4
...
Quick Sort Vs Merge Sort [duplicate]
Why might quick sort be better than merge sort ?
11 Answers
11
...
How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin
I'm trying to install Rails 3 on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed myself. So far, I've run these commands:
...
do N times (declarative syntax)
Is there a way in Javascript to write something like this easily:
22 Answers
22
...
How to exclude a directory in find . command
I'm trying to run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
...
How do you rotate a two dimensional array?
Inspired by Raymond Chen's post , say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff.
...