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Run a single Maven plugin execution?
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As noted in How to execute maven plugin execution directly from command line?, this
functionality has been implemented as MNG-5768, and is available in Maven 3.3.1.
The change will:
extend direct plugin invocation syntax to allow optional @execution-id parameter, e.g., org.apach...
How to get duration, as int milli's and float seconds from ?
... it is duration<long long, nano>. So there's an implicit conversion from integral-based nanoseconds to float-based seconds happening on that line, only because the destination type is specified with fsec.
– Howard Hinnant
Jan 18 '13 at 17:45
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How to read the RGB value of a given pixel in Python?
...ich returns a pixel access object which you can manipulate like an array:
from PIL import Image
im = Image.open('dead_parrot.jpg') # Can be many different formats.
pix = im.load()
print im.size # Get the width and hight of the image for iterating over
print pix[x,y] # Get the RGBA Value of the a...
extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part...
How to set current working directory to the directory of the script in bash?
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If you run the script from the current directory like so bash script.sh, then the value of $0 is script.sh. The only way the cd command will "work" for you is because you don't care about failed commands. If you were to use set -o errexit (aka: se...
Define all functions in one .R file, call them from another .R file. How, if possible?
...he nuance, Bryan. I was demonstrating this as 2 scenarios that most people from procedural languages might wonder about. It is as if the files were edited to add the cyclic dependency, in which case they need to be resourced (as shown) & the cycles don't affect the sourcing of the files.
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Run an exe from C# code
I have an exe file reference in my C# project. How do I invoke that exe from my code?
5 Answers
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Indent starting from the second line of a paragraph with CSS
How can I indent starting from the second line of a paragraph?
6 Answers
6
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How can I repeat a character in Bash?
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If you functionalise this it's best to rearrange it from $s%.0s to %.0s$s otherwise dashes cause a printf error.
– KomodoDave
Jul 30 '14 at 7:35
6
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Convert to/from DateTime and Time in Ruby
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You'll need two slightly different conversions.
To convert from Time to DateTime you can amend the Time class as follows:
require 'date'
class Time
def to_datetime
# Convert seconds + microseconds into a fractional number of seconds
seconds = sec + Rational(usec, 10**6)...