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How do I make the return type of a method generic?
...nfigurationManager.AppSettings[settingName];
}
Note - This will throw an error if the cast is not valid(your case). I would not recommend doing this if you are not sure about the type casting, rather go for option 3.
Option 3: Generic with type safety - Create a generic function to handle type con...
ANTLR: Is there a simple example?
...:
java -cp antlr-3.2.jar org.antlr.Tool Exp.g
It should not produce any error message, and the files ExpLexer.java, ExpParser.java and Exp.tokens should now be generated.
To see if it all works properly, create this test class:
import org.antlr.runtime.*;
public class ANTLRDemo {
public st...
@RequestParam in Spring MVC handling optional parameters
...bmitModel") SubmitModel model,
BindingResult errors) throws LoginException {...}
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How to install mongoDB on windows?
...response below:
I Hope everything went well... Because I didn’t see any ERROR *** in the console J.
Next, we can go and start the db using the command start mongo.exe
I didn't see any error or warning messages. But, we have to supply a command to make sure mongo is up and running, i.e. mongod ...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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ps # look for process xulrunner-stub (in this case we saw the PID in the error above)
silence 5117 # run the script, using PID we found
You could also redirect gdb's output to /dev/null if you don't want to see it.
shar...
How can I update NodeJS and NPM to the next versions?
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This causes fatal error, at least for mac users see here
– dmr07
Oct 18 '15 at 22:26
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...n my annotatedClasses property list when creating the SessionFactory, n00b error!
– C0deAttack
Feb 10 '11 at 12:20
4
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No appenders could be found for logger(log4j)?
...ate to the folder that contains your log4j.properties file
Apply
Run
The error message should no longer appear.
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How to add \newpage in Rmarkdown in a smart way?
... Does that have any effect when knitting to html? Does it cause any error?
– gvrocha
Oct 29 '15 at 17:55
Since ...
Python using enumerate inside list comprehension
...']
a list of lists:
[[i,j] for i in range(3) for j in 'abc']
a syntax error:
[i,j for i in range(3) for j in 'abc']
Which is inconsistent (IMHO) and confusing with dictionary comprehensions syntax:
>>> {i:j for i,j in enumerate('abcdef')}
{0: 'a', 1: 'b', 2: 'c', 3: 'd', 4: 'e', 5:...