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How to animate the change of image in an UIImageView?
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I am not sure if you can animate UIViews with fade effect as it seems all supported view transitions are defined in UIViewAnimationTransition enumeration. Fading effect can be achieved using CoreAnimation. Sample example for this approach:
#import <QuartzCore/QuartzCore.h>
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imageView....
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
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With the Java optional package or Oracle JDK installed,
adding one of the following lines to your ~/.bash_profile file will set the environment variable accordingly.
export JAVA_HOME="$(/usr/libexec/java_home -v 1.6)"
or
export JAVA_HOME="$(/usr/libexec/java_home -v 1.7)...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad?
17 Answers
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Cropping an UIImage
...of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes disp...
What is causing “Unable to allocate memory for pool” in PHP?
I've occasionally run up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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How do I reference an existing branch from an issue in GitHub?
...ant to do this, I manually make the link like this:
[a link to a branch](/_user_/_project_/tree/_branch_)
Where _user_, _project_, and _branch_ should be replaced with the parts of the branch's URL. For example, a branch in GitHub's "linguist" project:
[api-changes branch in github/linguist](/g...
Regular expression for first and last name
... I would escape the special characters in these regexps - especially . (decimal point/dot/full stop) since it's the regexp wildcard =)
– Joel Purra
Aug 8 '12 at 18:45
32...
What is the easiest way to parse an INI file in Java?
...port java.util.regex.Pattern;
public class IniFile {
private Pattern _section = Pattern.compile( "\\s*\\[([^]]*)\\]\\s*" );
private Pattern _keyValue = Pattern.compile( "\\s*([^=]*)=(.*)" );
private Map< String,
Map< String,
String >> _entries = new HashMap...
StringIO in Python3
... of the question and is included only as something to consider when generically addressing the missing StringIO module. For a more direct solution the message TypeError: Can't convert 'bytes' object to str implicitly, see this answer.
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When is std::weak_ptr useful?
...want to keep them in memory, so you hold a strong pointer to them. Periodically, you scan the cache and decide which objects have not been accessed recently. You don't need to keep those in memory, so you get rid of the strong pointer.
But what if that object is in use and some other code holds a s...