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Connection pooling options with JDBC: DBCP vs C3P0
...e. Some time back we conducted an in-house analysis of the two, creating a test fixture which generated load and concurrency against the two to assess their suitability under real life conditions.
DBCP consistently generated exceptions into our test application and struggled to reach levels of per...
@selector() in Swift?
...y in Swift. (For example, use optional chaining on protocol types or is/as tests instead of respondsToSelector:, and use closures wherever you can instead of performSelector: for better type/memory safety.)
But there are still a number of important ObjC-based APIs that use selectors, including timer...
Best way to add “current” class to nav in Rails 3
...m using quite the same way as you are. I've just defined helper methods to test for multiple controller or actions:
In application_helper.rb
def controller?(*controller)
controller.include?(params[:controller])
end
def action?(*action)
action.include?(params[:action])
end
Then y...
Is there a C# type for representing an integer Range?
... the range.</summary>
/// <param name="value">The value to test</param>
/// <returns>True if the value is inside Range, else false</returns>
public bool ContainsValue(T value)
{
return (this.Minimum.CompareTo(value) <= 0) && (value.Com...
Can I use Objective-C blocks as properties?
...sure they are declared as @property(copy). For example:
typedef void(^TestBlock)(void);
@interface SecondViewController : UIViewController
@property (nonatomic, copy) TestBlock block;
@end
In MRC, blocks capturing context variables are allocated in stack; they will be released when the stack...
Spring Boot - inject map from application.yml
...ringApplication.run(MapBindingSample.class, args)
.getBean(Test.class).getInfo());
}
@Bean
@ConfigurationProperties
public Test test() {
return new Test();
}
public static class Test {
private Map<String, Object> info = new HashMap<...
Conventions for exceptions or error codes
...on what you measure and how you measure. It's pretty easy to come up with tests that show exception-based APIs can be far faster.
– Mooing Duck
Jan 30 '14 at 0:04
1
...
How to assign the output of a Bash command to a variable? [duplicate]
...
In shell you assign to a variable without the dollar-sign:
TEST=`pwd`
echo $TEST
that's better (and can be nested) but is not as portable as the backtics:
TEST=$(pwd)
echo $TEST
Always remember: the dollar-sign is only used when reading a variable.
...
Remove Trailing Spaces and Update in Columns in SQL Server
...bleName
LTRIM - Removes spaces from the left
example: select LTRIM(' test ') as trim = 'test '
RTRIM - Removes spaces from the right
example: select RTRIM(' test ') as trim = ' test'
share
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...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
... comparison table here (just to have it somewhere):
Servlet is mapped as /test%3F/* and the application is deployed under /app.
http://30thh.loc:8480/app/test%3F/a%3F+b;jsessionid=S%3F+ID?p+1=c+d&p+2=e+f#a
Method URL-Decoded Result
-------------------------------------...