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How to count lines of Java code using IntelliJ IDEA?
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File - Settings - Plugins - Browse repositories... Find it on the list and double-click on it.
Open statistics window from:
View -> Tool Windows -> Statistic
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How to split one string into multiple strings separated by at least one space in bash shell?
...s well. It is the best approach in my opinion.
– Alexandros
Dec 17 '18 at 13:19
3
@Alexandros My ...
Collect successive pairs from a stream
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My StreamEx library which extends standard streams provides a pairMap method for all stream types. For primitive streams it does not change the stream type, but can be used to make some calculations. Most common usage is to calculate differences:
int[] pairwis...
Get the first N elements of an array?
...c", "d", "e");
$output = array_slice($input, 0, 3); // returns "a", "b", and "c"
There is only a small issue
If the array indices are meaningful to you, remember that array_slice will reset and reorder the numeric array indices. You need the preserve_keys flag set to trueto avoid this. (4th par...
How do I break a string across more than one line of code in JavaScript?
...elete");
Note that this backslash approach is not necessarily preferred, and possibly not universally supported (I had trouble finding hard data on this). It is not in the ECMA 5.1 spec.
When working with other code (not in quotes), line breaks are ignored, and perfectly acceptable. For example:
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Python: how to print range a-z?
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Hints:
import string
print string.ascii_lowercase
and
for i in xrange(0, 10, 2):
print i
and
"hello{0}, world!".format('z')
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How to read from standard input in the console?
I would like to read standard input from the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
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How to output only captured groups with sed?
...as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
include on...
Is there a regular expression to detect a valid regular expression?
...group start
(?:
(?:[^?+*{}()[\]\\|]+ # literals and ^, $
| \\. # escaped characters
| \[ (?: \^?\\. | \^[^\\] | [^\\^] ) # character classes
(?: [^\]\\]+ | \\. )* \]
| \( (?:\?[:=!]|\?<[=!]|\?>)? (?1)?? ...
Cartesian product of x and y array points into single array of 2D points
I have two numpy arrays that define the x and y axes of a grid. For example:
13 Answers
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