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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
...o navigate, I provide a decision tree here:
http://www.scalatest.org/quick_start
The matcher syntax is also different between ScalaTest and specs. In ScalaTest I tried to see how far I could go with operator notation, and ended up with matcher expressions that read very much like English sentences...
Alternative to google finance api [closed]
...output from query such as
https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=MSFT&apikey=demo
DON'T Try Yahoo Finance API (it is DEPRECATED or UNAVAILABLE NOW).
Here is a link to previous Yahoo Finance API discussion on StackOverflow.
Here's an alternative link to Yah...
How to create Drawable from resource
... something like this.
Drawable myDrawable;
if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP){
myDrawable = context.getResources().getDrawable(id, context.getTheme());
} else {
myDrawable = context.getResources().getDrawable(id);
}
...
Get the current displaying UIViewController on the screen in AppDelegate.m
...ViewController)
}
public static func getVisibleViewControllerFrom(_ vc: UIViewController?) -> UIViewController? {
if let nc = vc as? UINavigationController {
return UIWindow.getVisibleViewControllerFrom(nc.visibleViewController)
} else if let tc = vc as? UITab...
switch / pattern matching idea
...Car as car when car.EngineType = Gasoline -> 200 + car.Doors * 20
| _ -> failwith "blah"
assuming you'd defined a class hierarchy along the lines of
type Vehicle() = class end
type Motorcycle(cyl : int) =
inherit Vehicle()
member this.Cylinders = cyl
type Bicycle() = inherit ...
how to listen to N channels? (dynamic select statement)
...o a shared "aggregate" channel. For example:
agg := make(chan string)
for _, ch := range chans {
go func(c chan string) {
for msg := range c {
agg <- msg
}
}(ch)
}
select {
case msg <- agg:
fmt.Println("received ", msg)
}
If you need to know which channel the message ...
Change R default library path using .libPaths in Rprofile.site fails to work
...ry/Frameworks/R.framework/Versions/2.15/Resources/library"
[2] "/Users/user_name/userLibrary"
The .libPaths function is a bit different than most other nongraphics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have ...
How to detect incoming calls, in an Android device?
...this:
Manifest:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>
<!--This part is inside the application-->
<receiver android:name=".CallReceiver" >
<intent-fil...
Is there a better alternative than this to 'switch on type'?
...erscore if you don't need access to the object: case UnauthorizedException _:
– Assaf S.
Mar 7 '18 at 10:39
...
Is it .yaml or .yml?
...
Wikipedia's Category:Filename_extensions page lists entries for .a, .o and .z. Somehow, it missed .c and .h. These single-letter extensions help us see that extensions should be as long as necessary, but no longer (to half-quote A. Einstein).
...