| module RegexTest | |
| LAMBDAS = { | |
| :one => lambda{|str| str[/(\w+)/, 1] }, | |
| :two => lambda{ puts "$1 = #{$1}" } | |
| } | |
| end | |
| RegexTest::LAMBDAS[:one].call('foo') | |
| # => "foo" | |
| RegexTest::LAMBDAS[:two].call |
| Giveaway of old computing equipment! Everything still works, as far as I know. | |
| If you want anything, let me know ASAP (@martinkl on Twitter), otherwise | |
| it's going for recycling. You can pick it up in Kingston upon Thames | |
| (south-west London). Everything free, the sooner it's gone the better. | |
| Desktop computers | |
| ----------------- |
| #!/bin/bash -e | |
| export JAVA_HOME="/usr/lib/jvm/java-6-openjdk-amd64" | |
| export ZOOBINDIR="/home/zookeeper/current/bin" | |
| export JMXFLAGS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false" | |
| export ZOOMAIN="org.apache.zookeeper.server.quorum.QuorumPeerMain" | |
| export ZOOCFGDIR="/home/zookeeper/config" | |
| export ZOO_LOG_DIR="/home/zookeeper/log" | |
| export ZOO_LOG4J_PROP="INFO,ROLLINGFILE" | |
| . $ZOOBINDIR/zkEnv.sh |
pygmentize -f rtf FILE | pbcopy(Pasting RTF directly into PowerPoint doesn't work correctly, at least with PowerPoint 2008 — it extends colour spans longer than it should, and sometimes removes line breaks. Going via TextEdit seems to solve the problem.)
| $ ping google.com | |
| PING google.com (173.194.34.104): 56 data bytes | |
| Request timeout for icmp_seq 0 | |
| Request timeout for icmp_seq 1 | |
| Request timeout for icmp_seq 2 | |
| Request timeout for icmp_seq 3 | |
| Request timeout for icmp_seq 4 | |
| 64 bytes from 173.194.34.104: icmp_seq=0 ttl=47 time=5277.419 ms | |
| 64 bytes from 173.194.34.104: icmp_seq=1 ttl=47 time=5967.947 ms | |
| Request timeout for icmp_seq 7 |
I hereby claim:
To claim this, I am signing this object:
| #include <librdkafka/rdkafka.h> | |
| #include <string.h> | |
| #include <stdio.h> | |
| /* If this is zero, the message is produced correctly. Other values cause problems. */ | |
| #define LENGTH_FOR_NULL_KEY 5 | |
| #define ERROR_LEN 512 | |
| #define TOPIC "foo" | |
| #define MSG_KEY "hello" |
| awk '{print $7}' access.log | # Split by whitespace, 7th field is request path | |
| sort | # Make occurrences of the same URL appear consecutively in file | |
| uniq -c | # Replace consecutive occurrences of the same URL with a count | |
| sort -rn | # Sort by number of occurrences, descending | |
| head -n 5 # Output top 5 URLs |
Atul Adya: “Weak Consistency: A Generalized Theory and Optimistic Implementations for Distributed Transactions,” PhD thesis, Massachusetts Institute of Technology, Cambridge, MA, USA, March 1999. http://pmg.csail.mit.edu/papers/adya-phd.pdf Hagit Attiya, Faith Ellen, and Adam Morrison: “Limitations of Highly-Available Eventually-Consistent Data Stores,” at ACM Symposium on Principles of Distributed Computing (PODC), July 2015. http://www.cs.technion.ac.il/people/mad/online-publications/podc2015-replds.pdf Peter Bailis, Alan Fekete, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “HAT, not CAP: Towards Highly Available Transactions,” at 14th USENIX Workshop on Hot Topics in Operating Systems (HotOS), May 2013. http://www.bailis.org/papers/hat-hotos2013.pdf Peter Bailis, Ali Ghodsi, Joseph M Hellerstein, and Ion Stoica: “Bolt-on Causal Consistency,” at ACM International Conference on Manag