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What exactly is a C pointer if not a memory address?
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The C standard does not define what a pointer is internally and how it works internally. This is intentional so as not to limit the number of platforms, where C can be implemented as a compiled or interpreted language.
A pointer value can be some kind of ID or handle or a combination of seve...
How do I maintain the Immersive Mode in Dialogs?
How do I maintain the new Immersive Mode when my activities display a custom Dialog?
7 Answers
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Performance difference between IIf() and If
... foo = If(result, "Alternative")
The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete.
Like in C#, VB's conditional If operato...
Dashed line border around UIView
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You can set the border with this pattern using Layer and Bezier path like below examples.
Objective-C
CAShapeLayer *yourViewBorder = [CAShapeLayer layer];
yourViewBorder.strokeColor = [UIColor blackColor].CGColor;
yourViewBorder.fillColor = nil;
y...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
...Build Target iOS 7.0 using Swift. Please refer to my problem step by step with screenshots below.
12 Answers
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Functions that return a function
I'm stuck with this concept of 'Functions that return functions'. I'm referring the book 'Object Oriented Javascript' by Stoyan Stefanov.
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What is the gain from declaring a method as static
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Whenever you write a method, you fulfill a contract in a given scope. The narrower the scope is, the smaller the chance is that you write a bug.
When a method is static, you can't access non-static members; hence, your scope is narrower. S...
How to store a list in a column of a database table
So, per Mehrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I wa...
How to dump a table to console?
...ts of a table which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDictionary using gdb.
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Static Indexers?
...e a reference to any particular instance of the class, you can't use this with them, and consequently you can't use indexer notation on static methods.
The solution to your problem is using a singleton pattern as follows:
public class Utilities
{
private static ConfigurationManager _configurat...