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What is the right way to check for a null string in Objective-C?
...See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special case it. This is...
Transferring ownership of an iPhone app on the app store
...least one approved version
• Your app is in the Ready for Sale, Invalid Binary, Rejected, Developer Rejected, or Developer Removed from Sale state
• Any associated In-App Purchases are in the Ready to Submit, Ready for Sale, Rejected, Developer Removed from Sale, or Approved state
• ...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
I have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, b...
Why can I change value of a constant in javascript
...hat this is not a bug, but it should work this way? Because I thought that idea of the constant is that it can not be changed. Basically a programmer has trust that no matter what will happen, nothing can change the value inside of my constant.
– Salvador Dali
...
embedding image in html email
...head>
<body bgcolor="#ffffff" text="#000000">
<img src="cid:part1.06090408.01060107" alt="">
</body>
</html>
--------------090303020209010600070908
Content-Type: image/png;
name="moz-screenshot.png"
Content-Transfer-Encoding: base64
Content-ID: <part1.06090408...
How to make a PHP SOAP call using the SoapClient class
... amount)
Where Contact is just a model that has getters and setters for id and name like in your case.
You can download the .NET sample WS at:
https://www.dropbox.com/s/6pz1w94a52o5xah/11593623.zip
The code.
This is what you need to do at PHP side:
(Tested and working)
<?php
// Create ...
How do streaming resources fit within the RESTful paradigm?
... translate to streaming data? (Or does it?) For instance, in the case of video, it seems silly to treat each frame as resource that I should query one at a time. Rather I would set up a socket connection and stream a series of frames. But does this break the RESTful paradigm? What if I want to b...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...xample of using Ajax.BeginForm within Asp.net MVC 3 where unobtrusive validation and Ajax exist?
8 Answers
...
Input type=password, don't let browser remember the password
...
As regards validation, HTML5 adds the autocomplete attribute to the spec so it is fine now
– VictorySaber
Feb 28 '14 at 17:18
...
How to scroll HTML page to given anchor?
... @MarkusZeller, why shouldn't the parameter be called hash? It doesn't collide with location, does it?
– Gherman
Dec 5 '16 at 12:46
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