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How do you add multi-line text to a UIButton?
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For iOS 6 and above, use the following to allow multiple lines:
button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
// you probably want to center it
button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you wa...
Unicode (UTF-8) reading and writing to files in Python
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In the notation
u'Capit\xe1n\n'
the "\xe1" represents just one byte. "\x" tells you that "e1" is in hexadecimal.
When you write
Capit\xc3\xa1n
into your file you have "\xc3" in it. Those are 4 bytes and in your code you read them a...
An App ID with Identifier '' is not available. Please enter a different string
I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided.
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Handle file download from ajax post
...estHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.send($.param(params));
Here is the old version using jQuery.ajax. It might mangle binary data when the response is converted to a string of some charset.
$.ajax({
type: "POST",
url: url,
data: params,
success: fun...
Can someone explain collection_select to me in clear, simple terms?
... # field namespace
:author_id, # field name
# result of these two params will be: <select name="post[author_id]">...
# then you should specify some collection or array of rows.
# It can be Author.where(..).order(..) or something like that.
# In your example it is:
Au...
viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
I'm struggling to find a good solution to this problem. In a view controller's -viewWillDisappear: method, I need to find a way to determine whether it is because a view controller is being pushed onto the navigation controller's stack, or whether it is because the view controller is disappearing ...
Xcode Simulator: how to remove older unneeded devices?
I'm running Xcode 4.3.1 iOS-Simulator which originally only supports iOS 5.1.
18 Answers
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What is the difference between a .xib file and a .storyboard?
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Apple introduced the concept of "storyboarding" in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development.
Pre-storyboard, each UIViewController had an associated .xib with it. Storyboard achieves two things:
.storyboard ...
Types in Objective-C on iOS
I want to ask about the fundamental data types in Objective-C on iOS.
3 Answers
3
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PHP parse/syntax errors; and how to solve them
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$var = array("1" => $val, $val2, $val3 $val4);
Or functions parameter lists:
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function myfunc($param1, $param2 $param3, $param4)
Equivalently do you see this with list or global statements, or when lacking a ; semicolon in a for loop.
Class decla...