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How to pass a single object[] to a params object[]
... wrapper array manually and pass that directly to the method, as mentioned by lassevk:
Foo( new object[] { array } ); // Equivalent to calling convention 1.
2) Or, cast the argument to object, as mentioned by Adam, in which case the compiler will create the wrapper array for you:
Foo( (object)a...
Replace None with NaN in pandas dataframe
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Re-entrant locks in C#
...at two threads do not attempt to aquire the same two locks out of sequence by whatever code paths.
The same thread can aquire the same lock multiple times, but you have to make sure you release the lock the same number of times that you aquire it. Of course, as long as you are using the "lock" keyw...
What's wrong with overridable method calls in constructors?
... has run. If the overriding method depends on any initialization performed by the subclass constructor, the method will not behave as expected.
Here's an example to illustrate:
public class ConstructorCallsOverride {
public static void main(String[] args) {
abstract class Base {
...
Why is Double.MIN_VALUE in not negative
...version, but that only introduces more formats which aren't even supported by java (strictly speaking java even lacks support for some mandatory features of IEEE 754 1985, like many other high level languages).
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How to use android emulator for testing bluetooth application?
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How can I style an Android Switch?
The switch widget introduced in API 14 is styled by default with holo theme.
I want to style it slightly different, changing its colors and shape a bit for branding reasons. How does one go about this? I know it must be possible, as ive seen the difference between default ICS and Samsung's touchwiz ...
Confusion between factor levels and factor labels
...n the factor() function. A factor has only a level attribute, which is set by the labels argument in the factor() function. This is different from the concept of labels in statistical packages like SPSS, and can be confusing in the beginning.
What you do in this line of code
df$f <- factor(df$...
How to not run an example using roxygen2?
...ereas 'dontrun encloses code that should not be run.' I also got a comment by cran maintainers to switch from dontrun to donttest.
– Julian Karch
Jun 25 '18 at 12:38
3
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What are “sugar”, “desugar” terms in context of Java 8?
... for example).
This being said, desugaring refers either to
the process by which you remove all that is redundant in a language
the process by which a code processor finds out what's behind a sugared statement (this may for example involves type inference)
...