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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
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You should read developer.apple.com/library/ios/#featuredarticles/… to understand the view/view controller life-cycle
– Paul Solt
Dec 20 '10 at 15:37
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How to scale a UIImageView proportionally?
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I just tried this, and UIImage does not support _imageScaledToSize.
I ended up adding a method to UIImage using a category - a suggestion I found on the Apple Dev forums.
In a project-wide .h -
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:...
Remove sensitive files and their commits from Git history
...ges after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, they'll have to either delete their existing repository and re-clone it, or follow the instructions under "RECOVERING FROM UPSTREAM REBASE" in the git-rebase manpage.
T...
How can I convert my device token (NSData) into an NSString?
...nvert the deviceToken to a String, you can do as follows:
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined()
print(token)
}
Old answer using NSData:
func...
How to remove unwanted space between rows and columns in table?
...0px;">
<img height="80" src="http://www.website.com/images/Nature_01.jpg" width="600" />
</td>
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Postgres: clear entire database before re-creating / re-populating from bash script
...s. As the documentation clearly states here postgresql.org/docs/9.4/static/app-pgdump.html, you need to use --clean on pg_restore for archived backups.
– Kikin-Sama
Feb 1 '15 at 22:33
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Switch statement multiple cases in JavaScript
...ement altogether:
var cases = {
afshin: function() { alert('hey'); },
_default: function() { alert('default'); }
};
cases.larry = cases.saeed = cases.afshin;
cases[ varName ] ? cases[ varName ]() : cases._default();
s...
How are ssl certificates verified?
... @voipp: Great question! Historically there have been a few approaches, such as "send an email from webmaster@<domain-being-verified> or "Place this file on your domain to prove you own it." However, there have indeed been problems with people getting CAs to issue certificates ...
How to use string.replace() in python 3.x
...ring methods. docs.python.org/3.3/library/stdtypes.html#string-methods ~or_for_2~ docs.python.org/2/library/stdtypes.html#string-methods
– ToolmakerSteve
Dec 13 '13 at 22:34
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How to HTML encode/escape a string? Is there a built-in?
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for those interested h is an alias for html_escape
– lightswitch05
May 15 '14 at 23:03
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