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“var” or no “var” in JavaScript's “for-in” loop?
... to write a for-in loop in JavaScript? The browser doesn't issue a complaint about either of the two approaches I show here. First, there is this approach where the iteration variable x is explicitly declared:
...
How to implement an android:background that doesn't stretch?
...adjust button sizes
Button b = (Button) findViewById(R.id.somebutton);
int someDimension = 50; //50pixels
b.setWidth(someDimension);
b.setHeight(someDimension);
}
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Call Activity method from adapter
...d to use this same adapter for more than one activity then :
Create an Interface
public interface IMethodCaller {
void yourDesiredMethod();
}
Implement this interface in activities you require to have this method calling functionality.
Then in Adapter getView(), call like:
Button btn =...
Reading a plain text file in Java
...
@Palec this is interesting, but can you quote from the docs where it says that Files.lines(...).forEach(...) is executed in parallel? I thought this was only the case when you explicitly make the stream parallel using Files.lines(...).paral...
How do I get the currently displayed fragment?
... Doesn't findFragmentById iterate through all the fragments internally? :)
– Andrew Senner
May 24 '15 at 19:25
47
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FirstOrDefault: Default value other than null
...
var result = query.FirstOr(otherDefaultValue);
although as Mr. Steak points out this could be done just as well by .DefaultIfEmpty(...).First().
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Making TextView scrollable on Android
I am displaying text in a textview that appears to be too long to fit
into one screen. I need to make my TextView scrollable. How can I do
that?
...
process.waitFor() never returns
...;
String line;
while ((line = reader.readLine()) != null)
System.out.println("tasklist: " + line);
process.waitFor();
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How to determine the version of the C++ standard used by the compiler?
...e, run the following code to check the version.
#include<iostream>
int main() {
if (__cplusplus == 201703L) std::cout << "C++17\n";
else if (__cplusplus == 201402L) std::cout << "C++14\n";
else if (__cplusplus == 201103L) std::cout << "C++11\n";
else if (__c...
C++ Structure Initialization
... don't get C++ programmers when it comes to being consistent and writing maintainable code, they seem to always want to do something different to make their code stand out, the code is meant to reflect the problem being solved it shouldn't be an idiom on its own, aim for reliability and ease of main...