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What are markers in Java Logging frameworks and what is a reason to use them?
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This is a rehashed version my answer to the question "Best practices for using Markers in SLF4J/Logback".
Markers can be used to color or mark a single log statement. What you do with these colors, i.e. markers, is entirely up to you. However, two patterns seem to be common for marker usage.
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How do I parse command line arguments in Bash?
...;
*) # unknown option
POSITIONAL+=("$1") # save it in an array for later
shift # past argument
;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters
echo "FILE EXTENSION = ${EXTENSION}"
echo "SEARCH PATH = ${SEARCHPATH}"
echo "LIBRARY PATH = ${LIBPATH}"
e...
Difference between Visual Basic 6.0 and VBA
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For nearly all programming purposes, VBA and VB 6.0 are the same thing.
VBA cannot compile your program into an executable binary. You'll always need the host (a Word file and MS Word, for example) to contain and execute your...
C# properties: how to use custom set property without private field?
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Once you want to do anything custom in either the getter or the setter you cannot use auto properties anymore.
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Which terminal command to get just IP address and nothing else?
.../sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}'
For MAC:
ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d\ -f2
Or for linux system
hostname -i | awk '{print $3}' # Ubuntu
hostname -i # Debian
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Force update of an Android app when a new version is available
I have an app in Google Play Store. When an update version is available, the older version will become unusable – that is, if users do not update the app, they do not enter in the app. How can I force users to update the app when a new version becomes available?
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What's the difference between an object initializer and a constructor?
...en the two and when would you use an "object initializer" over a "constructor" and vice-versa? I'm working with C#, if that matters. Also, is the object initializer method specific to C# or .NET?
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Renaming columns in pandas
...ataFrame using pandas and column labels that I need to edit to replace the original column labels.
27 Answers
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Create Directory if it doesn't exist with Ruby
I am trying to create a directory with the following code:
4 Answers
4
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Disabled UIButton not faded or grey
... use following code:
sendButton.enabled = YES;
sendButton.alpha = 1.0;
or
sendButton.enabled = NO;
sendButton.alpha = 0.5;
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