eeichinger

Examples for getting Jackson and Lombok to work together to create immutable data types.

Demonstrates use of:

• Nullable Types
• Optional
• immutable java.util.List
• immutable array
• validating custom types on instantiate/unmarshalling
• use & customize Lombok-@Builder with Jackson

eeichinger

# find the modules/folders with highest number of changes
git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn | head

# find the files with the highest number of changes
git rev-list --objects --all | awk '$2' | sort -k2 | uniq -cf1 | sort -rn |
    while read frequency sample path
    do 
       [ "blob" == "$(git cat-file -t $sample)" ] && echo "$frequency\t$path";
    done

eeichinger

    @Test
    public void fetch_something() throws Exception {
        URI uri = UriBuilder.fromPath(path)
                .resolveTemplates(ImmutableMap.<String, Object>builder()
                                .put("country", VALID_COUNTRY)
                                .put("language", VALID_LANGUAGE)
                                .build()
                )
                .build();

eeichinger

public class LazyBeanDefinitionDocumentReader extends DefaultBeanDefinitionDocumentReader {

    @Override
    protected BeanDefinitionParserDelegate createHelper(XmlReaderContext readerContext, Element root, BeanDefinitionParserDelegate parentDelegate) {
        root.setAttribute("default-lazy-init", "true");
        BeanDefinitionParserDelegate delegate = super.createHelper(readerContext, root, parentDelegate);
        return delegate;
    }
}

eeichinger

ssh <user>@<server> "tar -cvzf - -C /home/jenkins/ . --exclude 'maven-repositories' --exclude 'jobs/*/builds' --exclude 'backup' --exclude 'workspace' " > jenkins_backup.tar.gz

eeichinger

                <!--
                    compile java 1.8, target java 1.7
                -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.3</version>
                    <configuration>
                        <encoding>utf-8</encoding>
                        <source>1.8</source>

eeichinger

rem windows update fix
rem taken from http://www.akaplan.com/blog/wp-content/uploads/2011/11/WindowsUpdateFix_cmd.txt

ipconfig /flushdns
Cd /d %windir% 
del /s *.chk;*.rip;*.tmp;~*.*
msiexec /regserver
sc config msiserver start= auto
net stop msiserver
msiexec /unreg

eeichinger

Keybase proof

I hereby claim:

• I am eeichinger on github.
• I am eeichinger (https://keybase.io/eeichinger) on keybase.
• I have a public key ASDxtzTW3lx3A2x-vRF-8yIANoqhSNzFcuSP2Hc6Ok9xuwo

To claim this, I am signing this object:

eeichinger

# it's inconvenient to pollute knownhosts with temporary AWS EC2 instances - use aws_ssh instead of ssh to ssh into EC2 instances
alias aws_ssh='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'

#
# This function allows to easily switch between AWS CLI profiles. If necessary, it will assume the given role
#
# usage: 
#       set-aws-profile rolename[@accountname]
#
#   "rolename": the profilename as defined in your ~/.aws/config

eeichinger

#!/usr/bin/env bash
#
# For my own reference in the future demo's various ways to resolve a script's full qualified path

# Usage: copy this file to /tmp/resolve_paths_demo.sh and run it from root
#
# Note: this script uses the 'realpath' utility - to get this on OSX, you need to install 'brew install coreutils'

if [  -z "${doit+x}" ]; then # for if [exists $var] technique, see http://stackoverflow.com/a/13864829/51264
  scriptfilereal=$(realpath -P "$0")