大约有 44,941 项符合查询结果（耗时：0.0429秒） [XML]
Capture characters from standard input without waiting for enter to be pressed
I can never remember how I do this because it comes up so infrequently for me. But in C or C++, what is the best way to read a character from standard input without waiting for a newline (press enter).
...
Is String.Contains() faster than String.IndexOf()?
...e a string buffer of about 2000 characters and need to check the buffer if it contains a specific string.
Will do the check in a ASP.NET 2.0 webapp for every webrequest.
...
How to work with Git branches and Rails migrations
I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch.
...
What does “Could not find or load main class” mean?
...em that new Java developers experience is that their programs fail to run with the error message: Could not find or load main class ...
...
Resize a large bitmap file to scaled output file on Android
I have a large bitmap (say 3888x2592) in a file. Now, I want to resize that bitmap to 800x533 and save it to another file.
I normally would scale the bitmap by calling Bitmap.createBitmap method but it needs a source bitmap as the first argument, which I can't provide because loading the original ...
Is 'switch' faster than 'if'?
Is a switch statement actually faster than an if statement?
12 Answers
12
...
How to read and write into file using JavaScript?
Can anybody give some sample code to read and write a file using JavaScript?
17 Answers
...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
I have this exception and I don't understand why it would be thrown or, how I should handle it.
3 Answers
...
How do I capture response of form.submit
...
You won't be able to do this easily with plain javascript. When you post a form, the form inputs are sent to the server and your page is refreshed - the data is handled on the server side. That is, the submit() function doesn't actually return anything, it just ...
How to determine height of UICollectionView with FlowLayout
I've got an UICollectionView with an UICollectionViewFlowLayout , and i want to calculate its content size (for return in intrinsicContentSize needed for adjusting its height via AutoLayout).
...