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Check if a value exists in ArrayList
... itemExistsBasedOnProp = selectedR.stream().map(Request::getDesc).anyMatch(cn::equals); now I need it to extract that item! is it possible ??
– maryem neyli
Jun 15 at 12:05
1
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How can you tell when a layout has been drawn?
...n pixels of the parent layout object. But during the onCreate and onResume functions, the Layout has not been drawn yet, and so layout.getMeasuredHeight() returns 0.
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How to send a header using a HTTP request through a curl call?
...move multi-
ple headers.
Example:
curl --header "X-MyHeader: 123" www.google.com
You can see the request that curl sent by adding the -v option.
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Unix command to find lines common in two files
...)-release
Copyright (C) 2007 Free Software Foundation, Inc.
$ cat > abc
123
567
132
$ cat > def
132
777
321
So the files abc and def have one line in common, the one with "132".
Using comm on unsorted files:
$ comm abc def
123
132
567
132
777
321
$ comm -12 abc def # No output! ...
How to remove EXIF data without recompressing the JPEG?
...e is doing other transformations with the file. Also note that "-thumbnail 123x456" is ALMOST equivalent to "-strip -resize 123x456".
– Denilson Sá Maia
Apr 17 '10 at 2:08
17
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How to select the row with the maximum value in each group
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The most intuitive method is to use group_by and top_n function in dplyr
group %>% group_by(Subject) %>% top_n(1, pt)
The result you get is
Source: local data frame [3 x 3]
Groups: Subject [3]
Subject pt Event
(dbl) (dbl) (dbl)
1 ...
What should be in my .gitignore for an Android Studio project?
...ited Nov 28 '15 at 21:12
hichris123
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answered Jan 10 '14 at 16:23
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How do I set default values for functions parameters in Matlab?
... use "varargs" and check against the number of arguments. Something like:
function f(arg1, arg2, arg3)
if nargin < 3
arg3 = 'some default'
end
end
There are a few fancier things you can do with isempty, etc., and you might want to look at Matlab central for some packages that bundl...
Is it worth using Python's re.compile?
...
dF.dF.
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5
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How to break out of nested loops?
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No, don't spoil the fun with a break. This is the last remaining valid use of goto ;)
If not this then you could use flags to break out of deep nested loops.
Another approach to breaking out of a nested loop is to factor out both loops into ...