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How to debug stream().map(…) with lambda expressions?
...he elements of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation - i...
CSS fixed width in a span
...
432
ul {
list-style-type: none;
padding-left: 0px;
}
ul li span {
float: left;
w...
Python “extend” for a dictionary
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728
a.update(b)
Latest Python Standard Library Documentation
...
Remove specific commit
...d like this:
$ cat >myfile <<EOF
line 1
junk
junk
junk
junk
line 2
junk
junk
junk
junk
line 3
EOF
$ git add myfile
$ git commit -m "initial check-in"
1 files changed, 11 insertions(+), 0 deletions(-)
create mode 100644 myfile
$ perl -p -i -e 's/line 2/this is the second line/;' myfile
$...
Integrate ZXing in Android Studio
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234
I was integrating ZXING into an Android application and there were no good sources for the inp...
wkhtmltopdf: cannot connect to X server
...
21 Answers
21
Active
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Linking R and Julia?
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42
The RJulia R package looks quite good now from R. R CMD check runs without warnings or errors...
Preferred way to create a Scala list
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answered Aug 6 '09 at 20:56
Daniel C. SobralDaniel C. Sobral
280k8282 gold badges469469 silver badges666666 bronze badges
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Dictionaries and default values
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323
Like this:
host = connectionDetails.get('host', someDefaultValue)
...
Get ID of last inserted document in a mongoDB w/ Java driver
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answered Jul 26 '10 at 21:41
Matt WMatt W
5,79833 gold badges2727 silver badges4040 bronze badges
...