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Can't find @Nullable inside javax.annotation.*
...torials on the net, I noticed that this annotation comes from the package javax.annotation.Nullable ;
but when I import it a compilation error is generated: cannot find symbol
...
Where does Scala look for implicits?
...takes n from the current scope
Explicit Imports
import scala.collection.JavaConversions.mapAsScalaMap
def env = System.getenv() // Java map
val term = env("TERM") // implicit conversion from Java Map to Scala Map
Wildcard Imports
def sum[T : Integral](list: List[T]): T = {
val integral ...
Why use def main()? [duplicate]
...ment calling main() (in no particular order):
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for many people.
Code will be cleaner, easier to read, and better organi...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
... it five years before we'll be saying goodbye to Objective-C entirely. The Java bridge didn't last that long and if the hype is right about Swift being suitable for systems programming we'll increasingly be talking about the bridge that allows Objective-C to access the system. Though, again, all spe...
Your content must have a ListView whose id attribute is 'android.R.id.list'
...arent"
android:id="@android:id/list"
>
</ListView>
MainActivity.java:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addPreferencesFromResource(R.xml.preferences);
preferences.xml:
<?xml ver...
How to create a date object from string in javascript [duplicate]
...
Beware of Javascript silently returning a completely different date than the one parsed, if the parsed date happens not to be valid (such as February 30).
– jforberg
Aug 21 '14 at 13:52
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How to perform element-wise multiplication of two lists?
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This is how a C, C++, or Java programmer who is a Python novice would solve the problem. The accepted answer is idiomatic Python.
– David Cullen
Mar 8 '17 at 15:16
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How to stop Gradle task execution in Android Studio?
...en going to "Task Manager" or simply by CTRL + SHIFT + ESC
Then ending the Java process that's running.
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How do I get the dialer to open with phone number displayed?
...l:' prefix is required, otherwhise the following exception will be thrown:
java.lang.IllegalStateException: Could not execute method of the activity.
Action_Dial doesn't require any permission.
If you want to initiate the call directly without user's interaction , You can use action Intent.ACTION_CA...
Can Mockito stub a method without regard to the argument?
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