| 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 |
Once upon a time there was a user that wanted to install firefox.
The user tried to do pacman -S firefox but it didn't work. The all
mighty pacman reported that firefox-3.2.4-1.i686.pkg.tar.gz could not
be found on his mirror. So the user tried pacman -Sy firefox. It
worked and the user rejoiced since he could once again go and troll /h/.
But all was not good. The user had made a grave error!
See, when the user told the almighty pacman to -Sy firefox, pacman did
People
 :bowtie: |
😄 :smile: |
😆 :laughing: |
|---|---|---|
😊 :blush: |
😃 :smiley: |
:relaxed: |
😏 :smirk: |
😍 :heart_eyes: |
😘 :kissing_heart: |
😚 :kissing_closed_eyes: |
😳 :flushed: |
😌 :relieved: |
😆 :satisfied: |
😁 :grin: |
😉 :wink: |
😜 :stuck_out_tongue_winking_eye: |
😝 :stuck_out_tongue_closed_eyes: |
😀 :grinning: |
😗 :kissing: |
😙 :kissing_smiling_eyes: |
😛 :stuck_out_tongue: |
Open Terminal Ctrl+Alt+T Download Firefox Developer Edition tar file
wget https://download.mozilla.org/?product=firefox-aurora-latest-ssl&os=linux64&lang=en-US
Copy tar file to opt
sudo cp -rp firefox-35.0a2.en-US.linux-x86_64.tar.bz2
Open opt folder (cd /opt/) and untar file
sudo tar xjf firefox-35.0a2.en-US.linux-x86_64.tar.bz2
| # content has to be in .config/fish/config.fish | |
| # if it does not exist, create the file | |
| setenv SSH_ENV $HOME/.ssh/environment | |
| function start_agent | |
| echo "Initializing new SSH agent ..." | |
| ssh-agent -c | sed 's/^echo/#echo/' > $SSH_ENV | |
| echo "succeeded" | |
| chmod 600 $SSH_ENV | |
| . $SSH_ENV > /dev/null |
| [38;5;255m,_ ,_==▄▂[0m | |
| [38;5;255m, ▂▃▄▄▅▅[48;5;240m▅[48;5;20m▂[48;5;240m▅¾[0m. [38;5;199m/ [38;5;20m/[0m | |
| [38;5;255m[48;5;20m▄[0m[38;5;255m[48;5;199m▆[38;5;16m[48;5;255m<´ [38;5;32m"[38;5;34m»[38;5;255m▓▓[48;5;32m▓[48;5;240m%[0m\ [38;5;199m/ [38;5;20m/ [38;5;45m/ [38;5;118m/[0m | |
| [38;5;255m,[38;5;255m[48;5;240m▅[38;5;16m[48;5;255m7" [38;5;160m´[38;5;34m>[38;5;255m[48;5;39m▓▓[38;5;199m[48;5;255m▓[0m[38;5;255m% [38;5;20m/ [38;5;118m/ [38;5;199m> [38;5;118m/ [38;5;199m>[38;5;255m/[38;5;45m%[0m | |
| [38;5;255m▐[48;5;240m[38;5;255m¶[48;5;240m[38;5;255m▓[48;5;255m [38;5;196m,[38;5;34m»[48;5;201m[38;5;255m▓▓[0m[38;5;255m¾´[0m [38;5;199m/[38;5;255m> %[38;5;199m/[38;5;118m%[38;5;255m/[38;5;199m/ [38;5;45m/ [38;5;199m/[0m | |
| [38;5;255m[48;5;240m▓[48;5;255m[38;5;16m▃[48;5;16m[38;5;255m▅▅[38;5;16m[48;5;255m |
| function rvm --description='Ruby enVironment Manager' | |
| # run RVM and capture the resulting environment | |
| set --local env_file (mktemp -t rvm.fish.XXXXXXXXXX) | |
| bash -c 'source ~/.rvm/scripts/rvm; rvm "$@"; status=$?; env > "$0"; exit $status' $env_file $argv | |
| # apply rvm_* and *PATH variables from the captured environment | |
| and eval (grep '^rvm\|^[^=]*PATH\|^GEM_HOME' $env_file | grep -v '_clr=' | sed '/^[^=]*PATH/s/:/" "/g; s/^/set -xg /; s/=/ "/; s/$/" ;/; s/(//; s/)//') | |
| # needed under fish >= 2.2.0 | |
| and set -xg GEM_PATH (echo $GEM_PATH | sed 's/ /:/g') |
Credit to answer found here http://stackoverflow.com/questions/21095054/ssh-key-still-asking-for-password-and-passphrase
This will ask you for the passphrase, enter it and it won't ask again.
ssh-add ~/.ssh/id_rsa &>/dev/null
