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Give examples of functions which demonstrate covariance and contravariance in the cases of both over
...t = aList;
List<? super String> contravariantList = aList;
You can now access all methods of covariantList that doesn't take a generic parameter (as it must be something "extends Object"), but getters will work fine (as the returned object will always be of type "Object")
The opposite is tr...
Should I Stop Stopwatch at the end of the method?
... between the calls to Start() and Stop(). Start() just sets a timestamp to now and Stop() calculates and saves the time elapsed since that. See source in coreclr: github.com/dotnet/corefx/blob/master/src/…
– Sammi
Mar 2 '16 at 11:33
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How do I make a JAR from a .java file?
...et your other project and add this .jar file to project libraries.
You can now reference classes from this library and its methods directly from code, if import is automatically done for you.
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How to get a list of installed android applications and pick one to run
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@DavidT. I already figured it out. Now, I'm working on how can I access those installed app in order to create a shortcut inside my App. Is that possible?
– androidBoomer
Jan 24 '14 at 1:35
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How to use custom packages
...rate:
src/
myproject/
mylib/
mylib.go
...
main.go
Now, in the top-level main.go, you could import "myproject/mylib" and it would work OK.
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Using LINQ to remove elements from a List
...ram
{
private static Random random = new Random( (int)DateTime.Now.Ticks );
static void Main( string[] args )
{
Console.WriteLine( "Be patient, generating data..." );
List<string> list = new List<string>();
List<string&...
Getting the index of the returned max or min item using max()/min() on a list
...ex of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
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event.preventDefault() vs. return false
...rning false from an event handler wasn't specced as doing anything at all. Now, maybe that's an incorrect interpretation of the (hard to understand) spec, or maybe despite it not being specced literally all the browsers interpreted return false the same as event.preventDefault(). But I dunno; it's e...
sqlalchemy IS NOT NULL select
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The other answer is the preferred answer now; it also avoids many IDEs including PyCharm from generating warnings.
– Antti Haapala
Oct 6 '16 at 7:21
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Expand a div to fill the remaining width
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I don't know what you discovered, but your code is not working in latest Chrome jsfiddle.net/fjb548kw/3
– Yevgeniy Afanasyev
Aug 11 '18 at 3:23
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