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What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?
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Works great. Clever and elegant approach to search main bundle's info dictionary for available launch images and then picking the one with matching resolution!
– iOSX
Jan 13 '15 at 20:36
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Where are the Properties.Settings.Default stored?
...less you prompt for elevation with UAC, but that's another topic...), your application will have a settings folder under %userprofile%\appdata\local or %userprofile%\Local Settings\Application Data depending on which version of Windows you're running, for settings that are user specific. If you stor...
How can I make a clickable link in an NSAttributedString?
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This doesn't work in a UILabel - nothing happens when you tap the field.
– Jack BeNimble
Mar 27 '15 at 4:40
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How to send email from Terminal?
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This is a really good option. You can generate an app specific password for your Google account and this just delivers the email from your own account. Very cool!
– dakdad
Sep 12 '19 at 7:58
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What is 'Context' on Android?
...it simply:
As the name suggests, it's the context of current state of the application/object. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context...
if a ngSrc path resolves to a 404, is there a way to fallback to a default?
The application I'm building requires my user to set 4 pieces of information before this image even has a chance of loading. This image is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 4...
Use URI builder in Android or create URL with variables
I'm developing an Android app. I need to build a URI for my app to make an API request. Unless there's another way to put a variable in a URI, this is the easiest way I've found. I found that you need to use Uri.Builder , but I'm not quite sure how to. My url is:
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How can I set the text of a WPF Hyperlink via data binding?
... looks strange, but it works. We do it in about 20 different places in our app. Hyperlink implicitly constructs a <Run/> if you put text in its "content", but in .NET 3.5 <Run/> won't let you bind to it, so you've got to explicitly use a TextBlock.
<TextBlock>
<Hyperlink Co...
How to create Android Facebook Key Hash?
...and copy it into the android key hash field inside the preferences of your app on facebook. To get there, go to developers.facebook.com/apps, select your app, go to Edit settings and scroll down. After that, wait a few minutes until the changes take effect.
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