大约有 47,000 项符合查询结果（耗时：0.0510秒） [XML]
How to express infinity in Ruby?
Is there a keyword to express Infinity in Ruby?
3 Answers
3
...
How to correctly require a specific commit in Composer so that it would be available for dependent p
I have a library foo/foo-lib which requires a specific commit from GitHub:
3 Answers
...
Can anyone explain python's relative imports?
I can't for the life of me get python's relative imports to work. I have created a simple example of where it does not function:
...
Programmatically Request Access to Contacts
Since updating to iOS 6 I've noticed that my code to add a contact to iPhone's address book no longer works. I believe this is a permission related problem, since Apple now requires user permission before accessing contacts (fixing this issue).
...
What's an object file in C?
I am reading about libraries in C but I have not yet found an explanation on what an object file is. What's the real difference between any other compiled file and an object file?
I would be glad if someone could explain in human language.
...
How do I cast a variable in Scala?
Given a variable with type Graphics ,
how do I cast it to Graphics2D in Scala?
2 Answers
...
.NET Process.Start default directory?
I'm firing off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
...
what does the __file__ variable mean/do?
I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
...
How to delete files older than X hours
I'm writing a bash script that needs to delete old files.
10 Answers
10
...
Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
...