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Calling a Fragment method from a parent Activity
...
If you are using “import android.app.Fragment;”
Then use either:
1)
ExampleFragment fragment = (ExampleFragment) getFragmentManager().findFragmentById(R.id.example_fragment);
fragment.specific_function_name();
Where R.id.example_fragment is most likely the FrameLayo...
Check if a program exists from a Makefile
...r Makefile has many independent targets, each of which requires the tests, then each target requires the test target as a dependency. That makes for a lot of extra typing as well as processing time when you make more than one target at a time.
The solution provided by 0xf can test for an executable...
Is there a bash command which counts files?
... If there's a directory called logs in the directory in question, then the contents of that logs directory will be counted too. This is probably not intentional.
– mogsie
Aug 6 '18 at 11:55
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NumPy: function for simultaneous max() and min()
... integer i
amin = a(1)
amax = a(1)
do i=2, n
if(a(i) > amax)then
amax = a(i)
elseif(a(i) < amin) then
amin = a(i)
endif
enddo
end subroutine minmax1
subroutine minmax2(a,n,amin,amax)
implicit none
!f2py intent(hidden) :: n
!f2py intent(out) :: ami...
Why are we not to throw these exceptions?
...member of an object which is null. If that’s a possibility in your code, then you should always explicitly check for null and throw a more useful exception instead (for example ArgumentNullException). Similarly, IndexOutOfRangeExceptions occur when you access an invalid index (on arrays—not list...
“std::endl” vs “\n”
...he case if you are using the << operator).
I use \n on most lines.
Then use std::endl at the end of a paragraph (but that is just a habit and not usually necessary).
Contrary to other claims, the \n character is mapped to the correct platform end of line sequence only if the stream is going...
Fix a Git detached head?
...swered Apr 19 '12 at 13:32
ralphtheninjaralphtheninja
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Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
...d solve it by running cmd.exe as administrator (right-click in start menu, then "Run as administrator).
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How to generate a number of most distinctive colors in R?
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@ytu then the colors are not distinguishable. If absolutely necessary, I would suggest looking for "gradient creation" in R and then use randomised sampling of colors. But mapping from colors to factors will not work, human percep...
Declare multiple module.exports in Node.js
...t:
exports.method = function() {};
exports.otherMethod = function() {};
Then in the calling script:
const myModule = require('./myModule.js');
const method = myModule.method;
const otherMethod = myModule.otherMethod;
// OR:
const {method, otherMethod} = require('./myModule.js');
...