Jens Rantil JensRantil
JensRantil
/ FirstName.java
Created
February 8, 2014 09:25
As close as one can get to a Java typedef. That is, wrapping a type. Lots of boilerplate code for something that could be so short and concise.
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| /** | |
| * A first name. | |
| * <p> | |
| * In other programming languages, you would be able to write something like | |
| * <code> | |
| * typedef FirstName String; | |
| * </code> | |
| */ | |
| public class FirstName { | |
| private String firstName; |
JensRantil
/ myapp.conf
Last active
August 29, 2015 13:57
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| description "my application" | |
| start on runlevel [2345] | |
| stop on runlevel [!2345] | |
| respawn | |
| respawn limit 360 180 | |
| setuid myuser | |
| setgid mygroup | |
| chdir /my/directory | |
| exec /bin/sleep 60 |
JensRantil
/ real_myapp.conf
Created
March 19, 2014 15:50
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| description "my application" | |
| start on runlevel [2345] | |
| stop on runlevel [!2345] | |
| respawn | |
| respawn limit 360 180 | |
| setuid myuser | |
| setgid mygroup | |
| script | |
| chdir /my/directory | |
| exec java -jar /srv/my.jar |
JensRantil
/ NullcheckAbstractionsExamples.java
Last active
August 29, 2015 14:03
Nullcheck abstraction ideas.
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| public class NullcheckAbstractionsExamples { | |
| public void Example1( ) { | |
| NullablePair pair; | |
| pair = Nullables.pair(myObject1.getProperty(), myObject2.getProperty()); | |
| if (pair.anyNull()) | |
| return pair.compare(); | |
| pair = Nullables.pair(myObject1.getProperty().getSubProperty(), myObject2.getProperty().getSubProperty()); | |
| if (pair.anyNull()) |
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| root@precise64:/etc/apt/sources.list.d# curl -L https://debian.datastax.com/debian/repo_key | sudo apt-key add - | |
| % Total % Received % Xferd Average Speed Time Time Time Current | |
| Dload Upload Total Spent Left Speed | |
| 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0curl: (60) SSL certificate problem, verify that the CA cert is OK. Details: | |
| error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed | |
| More details here: http://curl.haxx.se/docs/sslcerts.html | |
| curl performs SSL certificate verification by default, using a "bundle" | |
| of Certificate Authority (CA) public keys (CA certs). If the default | |
| bundle file isn't adequate, you can specify an alternate file |
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| cqlsh:tink> CREATE TABLE a(a uuid, b timeuuid, c uuid, PRIMARY KEY (a,b)); | |
| cqlsh:tink> INSERT INTO a(a,b,c) VALUES (48ecda32-b32a-43ae-bd30-ecf4819fb83c, 468ee710-1bd2-11e4-b2a2-0179c71c52ea, 73e54e00-ad66-4f88-8dd8-92bc1c648e9d); | |
| cqlsh:tink> INSERT INTO a(a,b,c) VALUES (48ecda32-b32a-43ae-bd30-ecf4819fb83c, 468ee711-1bd2-11e4-b2a2-0179c71c52ea, 2fdb7e7a-cf9d-43a4-aa86-7820336fc363); | |
| cqlsh:tink> INSERT INTO a(a,b,c) VALUES (48ecda32-b32a-43ae-bd30-ecf4819fb83c, 468ee712-1bd2-11e4-b2a2-0179c71c52ea, 18551ae7-b117-4b41-b5fa-fd233e2425dd); | |
| cqlsh:tink> SELECT * FROM a; | |
| a | b | c | |
| --------------------------------------+--------------------------------------+-------------------------------------- | |
| 48ecda32-b32a-43ae-bd30-ecf4819fb83c | 468ee710-1bd2-11e4-b2a2-0179c71c52ea | 73e54e00-ad66-4f88-8dd8-92bc1c648e9d | |
| 48ecda32-b32a-43ae-bd30-ecf4819fb83c | 468ee711-1bd2-11e4-b2a2-0179c71c52ea | 2fdb7e7a-cf9d-43a4-aa86-7820336fc363 |
JensRantil
/ gist:f040e900edc8a2ee6192
Created
August 19, 2014 09:36
spring-data-cassandra init example
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| package com.project.common.config; | |
| t | |
| import java.util.List; | |
| import java.util.concurrent.atomic.AtomicReference; | |
| import org.springframework.cassandra.core.keyspace.CreateKeyspaceSpecification; | |
| import org.springframework.context.annotation.Bean; | |
| import org.springframework.context.annotation.Configuration; | |
| import org.springframework.data.cassandra.config.CassandraClusterFactoryBean; | |
| import org.springframework.data.cassandra.config.CassandraSessionFactoryBean; |
JensRantil
/ intrusion-presentation.txt
Last active
August 29, 2015 14:07
Intrusion presentation (present with `tpp`)
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| --withborder | |
| --author Jens Rantil, Tink AB | |
| --title Intrusion | |
| --date 2014-10-06 | |
| --center If a bad day strikes you. | |
| --newpage goal | |
| --heading Agenda |
JensRantil
/ gist:555272209a1505a592dc
Created
November 3, 2014 10:46
Jetty Bug Monitor Bug #recurse
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| ERROR [Monitor for Jetty bugs] 2014-11-03 11:45:16,269 JettyBugMonitor.java (line 108) Jetty bug monitor failed | |
| java.lang.NullPointerException | |
| at org.apache.hadoop.mapred.JettyBugMonitor.isJettySelectorThread(JettyBugMonitor.java:218) | |
| at org.apache.hadoop.mapred.JettyBugMonitor.getJettyThreadIds(JettyBugMonitor.java:205) | |
| at org.apache.hadoop.mapred.JettyBugMonitor.waitForJettyThreads(JettyBugMonitor.java:182) | |
| at org.apache.hadoop.mapred.JettyBugMonitor.doRun(JettyBugMonitor.java:114) | |
| at org.apache.hadoop.mapred.JettyBugMonitor.run(JettyBugMonitor.java:102) |
JensRantil
/ number_width_histogram.py
Created
December 27, 2014 12:17
Script that generated histograms over number widths. See http://jensrantil.github.io for an article about this.
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| import pylab as p | |
| import subprocess | |
| import argparse | |
| from collections import Counter | |
| import numpy as np | |
| import itertools | |
| # See http://jensrantil.github.io/line-styles-in-matplotlib.html. | |
| icolors = itertools.cycle('bgrcmykw') |
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