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Protected methods in Objective-C
...bclasses, without requiring them to implement the methods themselves. This meant I didn't get compiler warnings in my subclass about having an incomplete implementation.
SuperClassProtectedMethods.h (protocol file):
@protocol SuperClassProtectedMethods <NSObject>
- (void) protectMethod:(NSOb...
How do I integrate Ajax with Django applications?
...fense, but if you did you wouldn't be asking).
Django is server-side. It means, say a client goes to a URL, you have a function inside views that renders what he sees and returns a response in HTML. Let's break it up into examples:
views.py:
def hello(request):
return HttpResponse('Hello Wor...
How do I format a long integer as a string without separator in Java?
...s between the two. ChoiceFormat uses # as a metacharacter that essentially means "equals" so that the formatting engine knows that e.g. in the case of 1#one! we are comparing {0} with 1, and if they are equal, it uses that particular "choice".
But # has another meaning to MessageFormat, and that's ...
How to get current user, and how to use User class in MVC5?
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@Arash never mind, I see what you mean. The ID can be retrieved with User.Identity.GetUserId(); without any database trip.
– fabspro
Mar 8 '14 at 7:38
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Aren't Python strings immutable? Then why does a + “ ” + b work?
...ct does not support item assignment
So we failed mutating the string. It means a string is immutable.
In you reassigning, you change the variable to point to a new location itself. Here you have not mutated the string, but mutating the variable itself. The following is what you are doing.
>&g...
How do I open the SearchView programmatically?
...ode will be executed when UI thread will be available for execution. Which means if you are using this workaround you can notice small delay between SearchView expanding
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What do the arrow icons in Subclipse mean?
What do the icons in the following screen capture mean? The icons are from Subclipse, an SVN plugin for Eclipse.
1 Answer
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What is the difference between a Docker image and a container?
...cause it's adding up the sizes of all the distinct underlying layers. This means that the sum of all the values in that column is probably much larger than the disk space used by all of those images.
The value in the REPOSITORY column comes from the -t flag of the docker build command, or from docke...
What does flushing the buffer mean?
... Thanks. one more thing. Reading cin flushes cout. Does this "reading cin" mean when the user inputs something or when the user is prompted to enter something?
– Mohamed Ahmed Nabil
Feb 23 '13 at 16:50
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Validate that a string is a positive integer
...hose in a non-standard (but formerly-allowed) way that says a leading zero means octal (base 8), e.g "010" => 8. Once you've validated the number, you can safely use parseInt(str, 10) to ensure that it's parsed as decimal (base 10). parseInt would ignore garbage at the end of the string, but we'v...