log4j2: line separator in header's parameter of PatternLayout

Log4j2 provides a new parameter for PatternLayout:

Parameter name: header
Type: String
Description: the optional header string to include at the top of each log file

With the following log4j2.xml configuration:

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<?xml version="1.0" encoding="UTF-8"?> <Configuration status="WARN" monitorInterval="20"> <Appenders> <RollingRandomAccessFile name="file" fileName="logs/app.log" filePattern="logs/app-%d_%i.log.gz"> <PatternLayout> <header> Version: ${env:APP_RELEASE_VERSION} </header> <pattern>%message%n</pattern> </PatternLayout> <Policies> <OnStartupTriggeringPolicy/> </Policies> </RollingRandomAccessFile> </Appenders> <Loggers> <Root level="debug"> <AppenderRef ref="file"/> </Root> </Loggers> </Configuration>

Git: undo the last rebase

$ git reflog

f0d821f HEAD@{0}: commit_a
2ea24f8 HEAD@{1}: commit_b
0c3cd49 HEAD@{2}: commit_c
de5b02a HEAD@{3}: commit_d

Suppose that "commit_c" was the head commit of the branch just before the rebase. Let's reset the current branch to this commit:

$ git reset --hard HEAD@{2}

Playing with vim configuration for C++

What I got as a result:

The main features:

• embedded file system explorer
• syntax highlighting
• hotkeys for compiling/running C++ code