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Usages of Null / Nothing / Unit in Scala
...mple is this:
implicit def zeroNull[B >: Null] =
new Zero[B] { def apply = null }
Nothing is used in the definition of None
object None extends Option[Nothing]
This allows you to assign a None to any type of Option because Nothing 'extends' everything.
val x:Option[String] = None
...
Signtool error: No certificates were found that met all given criteria with a Windows Store App?
...e there was a signing certificate setup to match the computer it was originally developed on.
You can check this by going to the project properties > signing tab and checking the certificate details.
You can uncheck "Sign the ClickOnce manifests" to disable signing.
If you don't want to turn...
What are the differences between a multidimensional array and an array of arrays in C#?
...
But your timings appear to be too small (a few milliseconds). At this level you'll have much interference from system services and/or drivers. Make your tests much larger, at least taking a second or two.
– Hosam Aly
...
UITableViewCell with UITextView height in iOS 7?
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First of all, it is very important to note, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it i...
The resulting API analysis is too large when upload app to mac store
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Apple forbids using private or undocumented APIs in iOS apps. Any calls you make to methods that have the same name as private or undocumented API methods will be flagged as a private API use, even if the method being called is something you have defined yourself.
App Loader does an initial...
Adding external library in Android studio
...nspecting.... But there are docs available : developer.android.com/sdk/installing/studio-build.html
– malcubierre
Sep 2 '14 at 6:28
26
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How to manually include external aar package using new Gradle Android Build System
...been experimenting with the new android build system and I've run into a small issue. I've compiled my own aar package of ActionBarSherlock which I've called 'actionbarsherlock.aar'. What I'm trying to do is actually use this aar to build my final APK. If I include the whole ActionBarSherlock lib...
How does the keyword “use” work in PHP and can I import classes with it?
...ll find it strange, but when you are working with a big MVC structure, it happens. So if you have two classes with the same name, put them in different namespaces. Now consider when your auto loader is loading both classes (does by require), and you are about to use object of class. In this case, th...
Windows 8.1 / Windows 10 breaks my ASP.NET / IIS : “Service unavailable”
With Windows 8.1 finally released to MSDN/Technet today I came across the following issue running my ASP.NET application after doing an in place upgrade with Win 8.1 RTM:
...
How to get a list of column names on Sqlite3 database?
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PRAGMA table_info(table_name);
will get you a list of all the column names.
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