大约有 25,000 项符合查询结果（耗时：0.0322秒） [XML]
Is there a “do … while” loop in Ruby?
I'm using this code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name):
...
Simple Vim commands you wish you'd known earlier [closed]
I'm learning new commands in Vim all the time, but I'm sure everyone learns something new once in a while. I just recently learned about this:
...
Why are two different concepts both called “heap”?
Why are the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation?
...
Run certain code every n seconds [duplicate]
Is there a way to, for example, print Hello World! every n seconds?
For example, the program would go through whatever code I had, then once it had been 5 seconds (with time.sleep() ) it would execute that code. I would be using this to update a file though, not print Hello World.
...
Programmer Puzzle: Encoding a chess board state throughout a game
Not strictly a question, more of a puzzle...
31 Answers
31
...
from list of integers, get number closest to a given value
Given a list of integers, I want to find which number is the closest to a number I give in input:
8 Answers
...
TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
7
...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image automatically? For example assume that I have a 512x512 image and I want to have different versions of this images for different screen resolutions supported by Android in appropriate folders.
...
Asynchronous vs Multithreading - Is there a difference?
Does an asynchronous call always create a new thread? What is the difference between the two?
10 Answers
...