大约有 41,731 项符合查询结果（耗时：0.0487秒） [XML]
How to remove newlines from beginning and end of a string?
I have a string that contains some text followed by a blank line. What's the best way to keep the part with text, but remove the whitespace newline from the end?
...
Why doesn't list have safe “get” method like dictionary?
Why doesn't list have a safe "get" method like dictionary?
12 Answers
12
...
Perl build, unit testing, code coverage: A complete working example
Most Stackoverflow answers that I have found in regards to the Perl build process and unit testing and code coverage simply point me to CPAN for the documentation there. There's absolutely nothing wrong with pointing to CPAN modules because that's where the full documentation is supposed to reside....
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
I've got a Python program where two variables are set to the value 'public' . In a conditional expression I have the comparison var1 is var2 which fails, but if I change it to var1 == var2 it returns True .
...
Why is super.super.method(); not allowed in Java?
I read this question and thought that would easily be solved (not that it isn't solvable without) if one could write:
22...
Do Git tags only apply to the current branch?
I'm currently working with a repository that has multiple branches.
7 Answers
7
...
Recommended website resolution (width and height)? [closed]
Is there any standard on common website resolution?
23 Answers
23
...
How do I create a new Swift project without using Storyboards?
Creating a new project in XCode 6 doesn't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data.
...
How to check if an app is installed from a web-page on an iPhone?
I want to create a web-page, a page that will redirect an iPhone to the app-store if the iPhone does not have the application installed, but if the iPhone has the app installed I want it to open the application.
...
dd: How to calculate optimal blocksize? [closed]
How do you calculate the optimal blocksize when running a dd ? I've researched it a bit and I've not found anything suggesting how this would be accomplished.
...