大约有 45,000 项符合查询结果（耗时：0.0566秒） [XML]
What's the difference between ContentControl and ContentPresenter?
...not sure when I should use ContentPresenter instead of ContentControl (and vice-versa). At the moment, I'm using ContentControl pretty much all the time in my DataTemplate s. When would ContentPresenter be a better choice? and why?
...
微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
问题的提出申请过那么多的微博，数申请网易微博的动机最不纯，因为它的字数限制不是传说中的140字，而是163个字。当年觉得很可爱，于是就注册了，之后再也没登录过。今天在人人网转发状态，提示我超过140字了，突然就好...
Return type of '?:' (ternary conditional operator)
...
Expressions don't have return types, they have a type and - as it's known in the latest C++ standard - a value category.
A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues a...
How can I set the aspect ratio in matplotlib?
...
Third times the charm. My guess is that this is a bug and Zhenya's answer suggests it's fixed in the latest version. I have version 0.99.1.1 and I've created the following solution:
import matplotlib.pyplot as plt
import numpy as np
def forceAspect(ax,aspect=1):
im = ax.g...
What are the best practices for JavaScript error handling?
I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors.
...
How to read a single character from the user?
...cter from the user input? For instance, they press one key at the terminal and it is returned (sort of like getch() ). I know there's a function in Windows for it, but I'd like something that is cross-platform.
...
How do you use the ? : (conditional) operator in JavaScript?
... to me in simple words what is the ?: (conditional, "ternary") operator and how to use it?
18 Answers
...
What do linkers do?
...
To understand linkers, it helps to first understand what happens "under the hood" when you convert a source file (such as a C or C++ file) into an executable file (an executable file is a file that can be executed on your machine or so...
How can I recover a lost commit in Git?
...reflog is your friend. Find the commit that you want to be on in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
...
CSS content property: is it possible to insert HTML instead of Text?
...
got it thanks, so I think I will have to pass this idea and go straight to js, cheers
– zanona
Dec 22 '10 at 0:25
6
...