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Using do block vs braces {}
... is a bit old question but I would like to try explain a bit more about {} and do .. end
like it is said before
bracket syntax has higher precedence order than do..end
but how this one makes difference:
method1 method2 do
puts "hi"
end
in this case, method1 will be called with the bloc...
advantage of tap method in ruby
I was just reading a blog article and noticed that the author used tap in a snippet something like:
18 Answers
...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...
Is there an ignore command for git like there is for svn?
I am a new user to git and I am starting a new project. I have a bunch of dot files that I would like to ignore. Is there an ignore command for git like there is for svn ?
...
What to return if Spring MVC controller method doesn't return value?
...code implicity, all others you have do one of three things:
Return void and mark the method with @ResponseStatus(value = HttpStatus.OK)
Return An object and mark it with @ResponseBody
Return an HttpEntity instance
shar...
Hibernate openSession() vs getCurrentSession()
...
As explained in this forum post, 1 and 2 are related. If you set hibernate.current_session_context_class to thread and then implement something like a servlet filter that opens the session - then you can access that session anywhere else by using the SessionFa...
How to change the Content of a with Javascript
...thing">This text gets removed</textarea>
For all the downvoters and non-believers:
Here's the MSDN reference
value Property: Retrieves or sets the text in the entry field of the textArea element.
Here's the MDN reference
value DOMString The raw value contained in the contro...
Fragment lifecycle - which method is called upon show / hide?
...
Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop() is normally called when fragment becomes invisible, but it can also be called later in time.
Depending on your layout Android can call onStart() even, when your...
Extending the User model with custom fields in Django
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The least painful and indeed Django-recommended way of doing this is through a OneToOneField(User) property.
Extending the existing User model
…
If you wish to store information related to User, you can use a one-to-one relationship to a mo...
Difference between $(this) and event.target?
I'm new to jQuery, and was making tabbed panels, following the tutorial in JavaScript and jQuery : The Missing Manual , there's that first line when the author does this :
...