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How to write to file in Ruby?
...ou the ins and outs of ::new and ::open but its parent, the IO class, gets into the depth of #read and #write.
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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:
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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?
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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...