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How to see if an object is an array without using reflection?
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What should I do if the current ASP.NET session is null?
...If you don’t specify this value, you will get a null Session object, and more than likely run into null reference exceptions whilst trying to access the session object.
Thanks to Matthew Cosier for the solution.
Just thought I'd add my two cents.
Ed
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What are detached, persistent and transient objects in hibernate?
...nstance will become a detached instance: it isn't attached to a Session anymore (but can still be modified and reattached to a new Session later though).
All this is clearly explained in the whole Chapter 10. Working with objects of the Hibernate documentation that I'm only paraphrasing above. Defi...
Do I set properties to nil in dealloc when using ARC?
... you need to free()) you still have to deal with those in dealloc.
Furthermore, if you've set yourself as the delegate of any objects, you should un-set that relationship in dealloc (this is the bit about calling [obj setDelegate:nil]). The note about doing this on classes that aren't compiled with...
How to execute maven plugin execution directly from command line?
... goal directly on the command line.
mvn groupId:artifactId:version:goal
More information at: Development guide for Maven plugins
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Can I pass an array as arguments to a method with variable arguments in Java?
...s a fixed arity method. Invocations of a variable arity method may contain more actual argument expressions than formal parameters. All the actual argument expressions that do not correspond to the formal parameters preceding the variable arity parameter will be evaluated and the results stored into...
Get nodes where child node contains an attribute
...d be to utilize XPath Axes (https://www.w3schools.com/xml/xpath_axes.asp). More specifically, you are looking to use the descendants axes.
I believe this example would do the trick:
//book[descendant::title[@lang='it']]
This allows you to select all book elements that contain a child title eleme...
Can't find the 'libpq-fe.h header when trying to install pg gem
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How to un-commit last un-pushed git commit without losing the changes
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