大约有 16,300 项符合查询结果(耗时:0.0216秒) [XML]
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
I'm just starting out with Ruby (and rails). I did the setup according to http://ruby.railstutorial.org/ruby-on-rails-tutorial-book#sec:ruby gems, using rvm . I have everything working well with sqlite.
...
How to create a generic array in Java?
Due to the implementation of Java generics, you can't have code like this:
31 Answers
...
What's the best way to check if a file exists in C?
Is there a better way than simply trying to open the file?
9 Answers
9
...
Is there a command to undo git init?
I just Git init'ed a repos with a wrong user, and want to undo it. Is there any command for this? Do I actually have to go in and edit the .git directory?
...
Filtering a list of strings based on contents
Given the list ['a','ab','abc','bac'] , I want to compute a list with strings that have 'ab' in them. I.e. the result is ['ab','abc'] . How can this be done in Python?
...
How does this code generate the map of India?
This code prints the map of India. How does it work?
2 Answers
2
...
How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
...
Mapping many-to-many association table with extra column(s)
My database contains 3 tables:
User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as follows:
...
Optimising Android application before release [closed]
I'm in a " special " situation about efficiency of my program. Now I'm at a phase where I need to improve the performance of the application and reduce battery consumption .
...
Rename MySQL database [duplicate]
I created a database with the name of hrms . Now I need to change database name to sunhrm . But, It is disabled in MySQL workbench. Can I do that on the Linux server itself?
...