大约有 40,000 项符合查询结果（耗时：0.0389秒） [XML]
How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
I have a lot of apps that send email. Sometimes it's one or two messages at a time. Sometimes it's thousands of messages.
9...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...ng is a 64-bit unsigned integer.
int is a 32-bit integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUInteger in the "Foundation Data Types Reference":
When building 32-bit applications, NSUInteger is a 32-bit unsigned
integer. A 64-bit applic...
getString Outside of a Context or Activity
... I'd like to keep using it in a utility class that works with models in my application to generate output. For instance, in this case I am generating an email from a model outside of the activity.
...
How to activate “Share” button in android app?
i want to add "Share" button to my android app.
4 Answers
4
...
Find unused code [closed]
...ions that are never used. How can I check for unused code, so I can remove all the unused functions?
9 Answers
...
How do I automatically scroll to the bottom of a multiline text box?
...I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this?
...
preferredStatusBarStyle isn't called
...llowed this thread to override -preferredStatusBarStyle , but it isn't called.
Are there any options that I can change to enable it? (I'm using XIBs in my project.)
...
How do I create a category in Xcode 6 or higher?
... and hidden everything under Objective-C or I think that they did. I personally don't get why Swift was added, Objective-C is such a beautiful and expressive language once you get to know it... It's Objects on top of C... Perrrfect
– unom
Aug 27 '14 at 18:07
...
How do you access a website running on localhost from iPhone browser
...ever port your website is running on) in the inbound security of your firewall if you are running one.
Note: don't forget the app's port if what you want is to debug the app in
your iPhone's browser like: http://192.168.0.102:3000. In this example 3000 is the default port used by ReactJS.
...
How do I show/hide a UIBarButtonItem?
...
Save your button in a strong outlet (let's call it myButton) and do this to add/remove it:
// Get the reference to the current toolbar buttons
NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy];
// This is how you remove the button from the toolbar and ...