大约有 43,100 项符合查询结果（耗时：0.0632秒） [XML]
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...
201
You can use an array with the splat operator *.
EXCEPTIONS = [FooException, BarException]
begi...
Dependency injection through constructors or property setters?
...
14 Answers
14
Active
...
How do I convert a String object into a Hash object?
...
13 Answers
13
Active
...
Configure Log4net to write to multiple files
...s to your logger. For example:
<log4net>
<appender name="File1Appender" type="log4net.Appender.FileAppender">
<file value="log-file-1.txt" />
<appendToFile value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversi...
Calculate a Running Total in SQL Server
...
15 Answers
15
Active
...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
Why were 181783497276652981 and 8682522807148012 chosen in Random.java ?
3 Answers
...
How to define a two-dimensional array?
...
1039
You're technically trying to index an uninitialized array. You have to first initialize the o...
SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
...ing to do the Michael Hartl tutorial. When I attempt to install rails 3.2.14 in my gemset, I get the following issue:
24 A...
Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...