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EditText underline below text property
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It's actually fairly easy to set the underline color of an EditText programmatically (just one line of code).
To set the color:
editText.getBackground().setColorFilter(color, PorterDuff.Mode.SRC_IN);
To remove the color:
editText.getBackground().cle...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
Can anyone tell me if an equivalent for setInterval/setTimeout exists for Android? Does anybody have any example about how to do it?
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Server is already running in Rails
When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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Why does cURL return error “(23) Failed writing body”?
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Date vs DateTime
...e date part via the Date property (which is another DateTime with the time set to 00:00:00).
And you can retrieve individual date properties via Day, Month and Year.
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Write to file, but overwrite it if it exists
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In Bash, if you have set noclobber a la set -o noclobber, then you use the syntax >|
For example:
echo "some text" >| existing_file
This also works if the file doesn't exist yet
Check if noclobber is set with: set -o | grep noclobber...
Counting inversions in an array
... Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions. Any hints or help wo...
How can I check if a string represents an int, without using try/except?
...g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
18 Answers
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vim “modifiable” is off
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:set ma
which is short for
:set modifiable
will make a buffer modifiable. And
:set noma
does the opposite.
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How to remove an item for a OR'd enum?
...h some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X and returns the result.
So to remove or clear the BLUE bits, you use the following statement:
co...