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Zoom in on a point (using scale and translate)
...e viewport position accordingly:
scalechange = newscale - oldscale;
offsetm>X m> = -(zoomPointm>X m> * scalechange);
offsetY = -(zoomPointY * scalechange);
So really you can just pan over down and to the right when you zoom in, by a factor of how much you zoomed in, relative to the point you zoomed at.
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...O:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
This fim>x m>es the issue.
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How to install python modules without root access?
...ution works for you.
With easy_install you can do:
easy_install --prefim>x m>=$HOME/local package_name
which will install into
$HOME/local/lib/pythonm>X m>.Y/site-packages
(the 'local' folder is a typical name many people use, but of course you may specify any folder you have permissions to write in...
How is an overloaded method chosen when a parameter is the literal null value?
... variable pointing to nothing ?
A null reference can be converted to an em>x m>pression of any class type. So in the case of String, this is fine:
String m>x m> = null;
The String overload here is chosen because the Java compiler picks the most specific overload, as per section 15.12.2.5 of the JLS. In p...
How do getters and setters work?
I'm from the php world. Could you em>x m>plain what getters and setters are and could give you some em>x m>amples?
6 Answers
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Split a collection into `n` parts with LINQ?
... pure linq and the simplest solution is as shown below.
static class LinqEm>x m>tensions
{
public static IEnumerable<IEnumerable<T>> Split<T>(this IEnumerable<T> list, int parts)
{
int i = 0;
var splits = from item in list
group item b...
What to put in a python module docstring? [closed]
...t a minimum, it should document the functions and classes that the module em>x m>ports, but I've also seen a few modules that list author names, copyright information, etc. Does anyone have an em>x m>ample of how a good python docstring should be structured?
...
GitHub README.md center image
I've been looking at the markdown syntam>x m> used in GitHub for a while but em>x m>cept resizing an image to the em>x m>tent of the README.md page, I can't figure out how to center an image in it.
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Should you always favor m>x m>range() over range()?
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For performance, especially when you're iterating over a large range, m>x m>range() is usually better. However, there are still a few cases why you might prefer range():
In python 3, range() does what m>x m>range() used to do and m>x m>range() does not em>x m>ist. If you want to write code that will run on bot...
ProcessStartInfo hanging on “WaitForEm>x m>it”? Why?
...r order you use, there can be a problem:
If you wait for the process to em>x m>it before reading StandardOutput the process can block trying to write to it, so the process never ends.
If you read from StandardOutput using ReadToEnd then your process can block if the process never closes StandardOutput ...