Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>Apologies if I'm oversimplifying your question, but are you asking how to define an Objective-C method? If so, you're going to have to learn Objective-C, there's no way around it:</p> <p><a href="http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html#//apple_ref/doc/uid/TP30001163-CH1-SW2" rel="noreferrer">The Objective-C Programming Language</a> - <a href="http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/ObjectiveC/Articles/ocObjectsClasses.html#//apple_ref/doc/uid/TP30001163-CH11-SW5" rel="noreferrer">Object Messaging</a></p> <p>You can do a lot of great things with no code on the iPhone and Mac platforms, but it's hard to imagine completing any useful application without writing <em>some</em> code.</p> <p><strong>Example</strong></p> <pre><code>- (float)multiplyThisFloatByTwoPointFive:(float)numberToMultiply { return numberToMultiply * 2.5; } </code></pre> <p>To call it:</p> <pre><code>[self multiplyThisFloatByTwoPointFive:3.7]; </code></pre> <p><strong>Libraries</strong></p> <p>If you mean "I want to put these non-class-specific methods somewhere I can access them universally", eg, a library, you can do this in two ways:</p> <ol> <li>Create some sort of "library" class like "MySpecialMathClass" (not to be confused with "my special education math class") or "MyAppAnimationTricks" and put your methods there (you'd define them as +someMethod: not -someMethod:, class- not instance-method, per Objective-C).</li> <li>If they only ever deal with primitives (such as int, float, double ...), consider just making them C functions, rather than Objective-C methods.</li> </ol>
    singulars
    1. This table or related slice is empty.
    1. POiPhone SDK function/method with arguments
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USJoshua Nozzi
    1. USJoshua Nozzi
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. POiPhone SDK function/method with arguments
      singulars
      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTAcceptedByOriginator
    2. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    3. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    1. COWell technically there is nothing stopping him from using C functions with objective-c objects, it just seems like it'd generally be frowned upon. I'd probably put it in a singleton class somewhere (app delegate?), or as a static method on a class like you mentioned.
      singulars
      1. PO
      1. USBryan McLemore
    2. CONot only is nothing technically stopping him, it's quite common. I'd be curious why anyone would frown upon it - Objective-C is a superset of C. I mention C functions for C-primitive-only routines because, if called very frequently, you gain *some* speed ditching Obj-C message dispatching overhead. In high-throughput computing, this can make a whopping difference. Measure first, of course. :-)
      singulars
      1. PO
      1. USJoshua Nozzi
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload