cedws

#!/bin/sh
DEFER=
defer() {
    DEFER="$*; ${DEFER}"
    trap "{ $DEFER }" EXIT
}

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

zchee

--- Actions ---
$Copy                                              <M-C>
$Cut                                               <M-X> <S-Del>
$Delete                                            <Del> <BS> <M-BS>
$LRU                                              
$Paste                                             <M-V>
$Redo                                              <M-S-Z> <A-S-BS>
$SearchWeb                                         <A-S-G>
$SelectAll                                         <M-A>
$Undo                                              <M-Z>

tarcieri

There is a point in your life when you realize that you have
written enough destructors, and have spent enough time tracking
down a memory leak, and you have spend enough time tracking down
memory corruption, and you have spent enough time using low-level
insecure functions, and you have implemented way too many linked
lists

capotej

require 'java'

java_import 'java.util.concurrent.ThreadPoolExecutor'
java_import 'java.util.concurrent.TimeUnit'
java_import 'java.util.concurrent.LinkedBlockingQueue'
java_import 'java.util.concurrent.FutureTask'
java_import 'java.util.concurrent.Callable'
java_import 'java.util.concurrent.Executors'

### SETTINGS

rbranson

In [54]: x = re.compile(r'(.+){0,10} p')

In [55]: b = time.time(); re.match(x, "fffffffffffffffffffffffffffff"); time.time() - b
Out[55]: 1.8545329570770264

In [56]: b = time.time(); re.match(x, "ffffffffffffffffffffffffffffff"); time.time() - b
Out[56]: 2.640854835510254

In [57]: b = time.time(); re.match(x, "fffffffffffffffffffffffffffffff"); time.time() - b

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

soemarko

<!-- Add the following lines to theme's html code right before </head> -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
<script src="http://static.tumblr.com/fpifyru/VCxlv9xwi/writecapture.js"></script>
<script src="http://static.tumblr.com/fpifyru/AKFlv9zdu/embedgist.js"></script>

<!--
  Usage: just add <div class="gist">[gist URL]</div>
  Example: <div class="gist">https://gist.github.com/1395926</div>
-->

technoweenie

machine github.com
login technoweenie
password SECRET

machine api.github.com
login technoweenie
password SECRET

jnrbsn

/* Better styles for embedding GitHub Gists */
.gist{font-size:13px;line-height:18px;margin-bottom:20px;width:100%}
.gist pre{font-family:Menlo,Monaco,'Bitstream Vera Sans Mono','Courier New',monospace !important}
.gist-meta{font-family:Helvetica,Arial,sans-serif;font-size:13px !important}
.gist-meta a{color:#26a !important;text-decoration:none}
.gist-meta a:hover{color:#0e4071 !important}