User interface strings in Cocoa
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. In this post, I'll look at best practice for using and managing text strings in your user interface. This is a fairly simple topic but Cocoa has established "
NSDictionary の objectForKey: と valueForKey: の違い - 24/7 twenty-four seven
objectForKey: は NSDictionary のメソッドですが、 valueForKey: は KVC (Key Value-Coding) 由来のメソッドです。 If key does not start with “@”, invokes objectForKey:. If key does start with “@”, strips the “@” and invokes [super valueForKey:] with the rest of the key. NSDictionary Class Reference 上記の通り、たいていの場合 valueForKey: は objectForKey: と同じ結果を返しますが、キー値が「@」から始まる場合、異なる動作をします。 キー値が「@」から始まる場合、「@」を除いた値を引数にしてスーパークラスの valueFo
Using libxml2 for XML parsing and XPath queries in Cocoa
Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. NSXMLDocument is the normal tree-based XML parser in Cocoa. But if you're writing for the iPhone, this class isn't available. Even on the Mac, sometimes you w
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Cocoa with Love