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Debugging automatic properties
... 2012, 2013:
Go to the Breakpoint window
New -> Break at Function…
For the get, type: ClassName.get_Counter()
For the set, type: ClassName.set_Counter(int)
You'll get a "No Source Available" when the breakpoint is hit, but you'll get the calling location in the call stack.
I found this so...
Is it possible to Turn page programmatically in UIPageViewController?
...tion:(void (^)(BOOL finished))completion;`
That is the same method used for setting up the first view controller on the page. Similar, you can use it to go to other pages.
Wonder why viewControllers is an array, and not a single view controller?
That's because a page view controller could have a...
How to add property to a class dynamically?
...A property is actually a simple implementation of a thing called a descriptor. It's an object that provides custom handling for a given attribute, on a given class. Kinda like a way to factor a huge if tree out of __getattribute__.
When I ask for foo.b in the example above, Python sees that the b...
Understanding repr( ) function in Python
...t;> x
'foo'
So the name x is attached to 'foo' string. When you call for example repr(x) the interpreter puts 'foo' instead of x and then calls repr('foo').
>>> repr(x)
"'foo'"
>>> x.__repr__()
"'foo'"
repr actually calls a magic method __repr__ of x, which gives the string...
How to create a UIView bounce animation?
I have the following CATransition for a UIView called finalScoreView , which makes it enter the screen from the top:
4 Ans...
Sending a message to nil in Objective-C
... out all of the elements in an ArrayList:
void foo(ArrayList list)
{
for(int i = 0; i < list.size(); ++i){
System.out.println(list.get(i).toString());
}
}
Now, if you call that method like so: someObject.foo(NULL); you're going to probably get a NullPointerException when it tri...
How do I retrieve an HTML element's actual width and height?
... have a <div> that I wish to center in the browser's display (viewport). To do so, I need to calculate the width and height of the <div> element.
...
Postgresql: Scripting psql execution with password
How can I call psql so that it doesn't prompt for a password ?
15 Answers
15
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Getting rid of \n when using .readlines() [duplicate]
...
This isn't very memory efficient. Hence the "for line in [file object]" answer.
– frederix
Sep 24 '15 at 21:33
2
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Git: Create a branch from unstaged/uncommitted changes on master
Context: I'm working on master adding a simple feature. After a few minutes I realize it was not so simple and it should have been better to work into a new branch.
...