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Why does Math.round(0.49999999999999994) return 1?
...arlesworth
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cancelling a handler.postdelayed process
...nnable, SPLASH_DISPLAY_LENGTH);
And this to remove it: myHandler.removeCallbacks(myRunnable);
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Checking images for similarity with OpenCV
...he same image was passed twice, 0% would be returned if the images were totally different.
4 Answers
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Count occurrences of a char in a string using Bash
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you can for example remove all other chars and count the whats remains, like:
var="text,text,text,text"
res="${var//[^,]}"
echo "$res"
echo "${#res}"
will print
,,,
3
or
tr -dc ',' <<<"$var" | awk '{ print length; }'
or
tr -dc ',' &l...
How can I export tables to Excel from a webpage [closed]
... can I export tables to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
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How to list branches that contain a given commit?
...uery git to find out which branches contain a given commit? gitk will usually list the branches, unless there are too many, in which case it just says "many (38)" or something like that. I need to know the full list, or at least whether certain branches contain the commit.
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View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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Get the previous month's first and last day dates in c#
...month.AddMonths(-1);
var last = month.AddDays(-1);
In-line them if you really need one or two lines.
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What is the difference between IEqualityComparer and IEquatable?
...ted) IEqualityComparer<T> is an interface for an object (which is usually a lightweight class different from T) that provides comparison functions that operates on T
– rwong
Feb 22 at 16:40
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What does __FILE__ mean in Ruby?
I see this all the time in Ruby:
4 Answers
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