大约有 20,000 项符合查询结果（耗时：0.0377秒） [XML]
How to get a substring of text?
...
If you have your text in your_text variable, you can use:
your_text[0..29]
share
|
improve this answer
|
...
What does Maven Update Project do in Eclipse?
What does " Maven -> Update Project... " do in Eclipse?
3 Answers
3
...
What's the dSYM and how to use it? (iOS SDK)
Sometimes the compiler produces .dSYM files. I guess this is a debugging related file, but I don't know what it is, and how to use it.
...
Rolling back a remote Git repository
...
You can use git revert <commit>… for all the n commits, and then push as usual, keeping history unchanged.
Or you can "roll back" with git reset --hard HEAD~n. If you are pushing in a public or shared repository, you m...
In C++, if throw is an expression, what is its type?
I picked this up in one of my brief forays to reddit:
4 Answers
4
...
The role of #ifdef and #ifndef
In this what is the role of #ifdef and #ifndef , and what's the output?
4 Answers
4...
How to get the date from jQuery UI datepicker
I want to get the date from datepicker whenever user choose the date in jQuery UI datepicker and click the button on the form.
...
Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
emacs zoom in/zoom out
Is there a way to zoom in and out (dynamically change the font size, quite smoothly) on emacs?
3 Answers
...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
What is the difference between Directory.EnumerateFiles vs GetFiles ?
3 Answers
3
...