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Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
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Java String new line
...t's better to use %n as an OS independent new-line character instead of \n and it's easier than using System.lineSeparator()
Why to use %n, because on each OS, new line refers to a different set of character(s);
Unix and modern Mac's : LF (\n)
Windows : CR LF (\r\n)
Olde...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...al
If it still doesn't work, use these steps inside a terminal session and everything will be fine:
cd /usr/local/Library/Homebrew
git reset --hard
git clean -df
brew update
This may be because homebrew is not updated.
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sed command with -i option failing on Mac, but works on Linux
I've successfully used the following sed command to search/replace text in Linux:
12 Answers
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Determine if Python is running inside virtualenv
...nside a virtual environment, sys.prefix points to the virtual environment, and sys.base_prefix is the prefix of the system Python the virtualenv was created from.
The above always works for Python 3 stdlib venv and for recent virtualenv (since version 20). Older versions of virtualenv used sys.real_...
Find and replace Android studio
Is there a way to find and replace all occurrences of a word in an entire project( not just a single class using refactor -> rename) and also maintain case, either in android studio or using a command line script?
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CPU Privilege Rings: Why rings 1 and 2 aren't used?
...the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly.
The intent by Intel in having rings 1 and 2 is for the OS to put device drivers at that level, so they are privileged, but somewhat separated from the r...
Java current machine name and logged in user?
...it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine?
4 Answers
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Activity transition in Android
How can I define the transition between two activities for Android 1.5 and later?
I would like an activity to fade in.
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How can I start PostgreSQL server on Mac OS X?
I had forgotten to run the initdb command.
33 Answers
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