大约有 26,000 项符合查询结果（耗时：0.0373秒） [XML]
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
...
How to escape double quotes in JSON
I'm trying to show double quotes but it shows one of the backslashes:
7 Answers
7
...
How can a windows service programmatically restart itself?
I need to write robust code in .NET to enable a windows service (server 2003) to restart itself. What is the best way to so this? Is there some .NET API to do it?
...
Inspecting standard container (std::map) contents with gdb
...
Active
Oldest
Votes
...
How to use an existing database with an Android application [duplicate]
I have already created an SQLite database. I want to use this database file with my Android project. I want to bundle this database with my application.
...
How can I check if a file exists in Perl?
...
Active
Oldest
Votes
...
Default parameters with C++ constructors [closed]
Is it good practice to have a class constructor that uses default parameters, or should I use separate overloaded constructors? For example:
...
The simplest possible JavaScript countdown timer? [closed]
Just wanted to ask how to create the simplest possible countdown timer.
3 Answers
3
...
Implicit type conversion rules in C++ operators
I want to be better about knowing when I should cast. What are the implicit type conversion rules in C++ when adding, multiplying, etc. For example,
...
How to list all installed packages and their versions in Python?
Is there a way in Python to list all installed packages and their versions?
11 Answers
...