大约有 40,750 项符合查询结果（耗时：0.0303秒） [XML]
Having the output of a console application in Visual Studio instead of the console
When doing a console application in Java with Eclipse, I see the output being put in a text box in the IDE itself, instead of having a console popping up like in Visual Studio. This comes in handy, as even after the program has exited, I can still make good use of the text that was written in it, as...
Passing a single item as IEnumerable
Is there a common way to pass a single item of type T to a method which expects an IEnumerable<T> parameter? Language is C#, framework version 2.0.
...
How can I use NSError in my iPhone App?
I am working on catching errors in my app, and I am looking into using NSError . I am slightly confused about how to use it, and how to populate it.
...
How can I see what I am about to push with git?
Is there a way to see what would be pushed if I did a git push command?
13 Answers
1...
Why would I ever use push_back instead of emplace_back?
C++11 vectors have the new function emplace_back . Unlike push_back , which relies on compiler optimizations to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything p...
Limit Decimal Places in Android EditText
I'm trying to write an app that helps you manage your finances. I'm using an EditText Field where the user can specify an amount of money.
...
Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
17...
How do you move a file?
I'm using TortoiseSVN against the SourceForge SVN repository. I'd like to move a file from one folder to another in order to maintain its revision history. Is this possible? If so, how do you do it?
...
warning about too many open figures
In a script where I create many figures with fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
...
Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
In development blogs, online code examples and (recently) even a book, I keep stumbling about code like this:
13 Answers
...