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How to draw a line in android
...draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint paint = new Paint()...
What is __gxx_personality_v0 for?
...personality routine is for C++ exception handling (as opposed to, say, gcj/Java exception handling).
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Convert a float64 to an int in Go
...sts have a problem in Go that can be unexpected (at least if you come from Java): "In all non-constant conversions involving floating-point or complex values, if the result type cannot represent the value the conversion succeeds but the result value is implementation-dependent." (golang.org/ref/spec...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
...er of hours since Jan 1st 1900, to Jan 1st 1900' — I encountered this in Java/SQL, where it looks ugly. In my case it really should have been done on the Java side.
– Corwin Newall
Aug 3 '19 at 20:24
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How can I tell IntelliJ's “Find in Files” to ignore generated files?
...filter starting with ! sign to exclude.
Example to search code not in Test Java files:
!*Test.java
If you have a few types of files you can separate with , sign.
Example to search in Kotlin and Groovy files only:
*.kt,*.groovy
This might be also helpful.
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Unable to execute dex: method ID not in [0, 0xffff]: 65536
...nabling multidex support (this one error in particular gave me nightmares: java.lang.ClassNotFoundException: Didn't find class "org.qtproject.qt5.android.QtActivityDelegate" on path: DexPathList[[],nativeLibraryDirectories=[/vendor/lib, /system/lib]]). It turned out that my mistake was that I wasn't...
returning a Void object
...placeholder class to hold a reference to the Class object representing the Java keyword void.
So any of the following would suffice:
parameterizing with Object and returning new Object() or null
parameterizing with Void and returning null
parameterizing with a NullObject of yours
You can't ma...
Separate Back Stack for each tab in Android using Fragments
...>
</LinearLayout>
</TabHost>
5. AppTabAFirstFragment.java (First fragment in Tab A, simliar for all Tabs)
public class AppTabAFragment extends BaseFragment {
private Button mGotoButton;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup containe...
How to model type-safe enum types?
Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants?
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...erride something only if it is marked as virtual which isn't the case with Java. Java assumes every non-static method to be virtual by default.
Another thing I believe you should consider is introducing an interface for your "CupboardAccess" and start mocking the interface instead. It would help yo...