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What is the difference between a weak reference and an unowned reference?
...nefit).
A weak reference allows the possibility of it to become nil (this happens automatically when the referenced object is deallocated), therefore the type of your property must be optional - so you, as a programmer, are obligated to check it before you use it (basically the compiler forces you, ...
Xcode debugging - displaying images
...OTE: sometimes this fails in Xcode, even if the image is correct. If this happens, OR if you don't have a UIImage variable (e.g. it's a property of another object, you can still use the older answer:
Older answer: Starting with Avraham's answer, I tried a few experiments for displaying an iOS image...
Tick symbol in HTML/XHTML
We need to display a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
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Why use getters and setters/accessors?
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I'm sitting and staring at a 500k line app where it's never been needed. That said, if it's needed once, it'd start causing a maintenance nightmare. Good enough for a checkmark for me.
– Dean J
Oct 14 '09 at 18:24
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Can I underline text in an Android layout?
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It won't show in editor, but when You start You app - it will be underlined.
– jean d'arme
Jul 1 '15 at 14:19
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Django fix Admin plural
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Well well, it seems like the Meta class approach still works.
So placing a meta class inside your model will still do the trick:
class Category(models.Model):
class Meta:
verbose_name_plural = "categories"
Note that we use the lower case here, as dja...
How to increase the maximum number of opened editors in IntelliJ?
I am building a grails-app with IntelliJ 9.0 and I am a huge fan of the CTR+TAB shortcut that switches between active editors.
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Could not load file or assembly 'System.Web.Mvc'
My new ASP.NET MVC Web Application works on my development workstation, but does not run on my web server...
20 Answers
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How to fix PCH error?
When I try to build my app in Xcode , I get this error message:
22 Answers
22
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Convert UTC Epoch to local date
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This is an appropriate answer. New date may take milliseconds, therefore just multiply by 1000: const d = new Date(epoch * 1000).
– vinyll
Aug 14 '17 at 10:47
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