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Working on TensorFlow Ranking

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@mblondel
mblondel / letor_metrics.py
Last active April 24, 2024 19:43
Learning to rank metrics.
# (C) Mathieu Blondel, November 2013
# License: BSD 3 clause
import numpy as np
def ranking_precision_score(y_true, y_score, k=10):
"""Precision at rank k
Parameters
require 'fiddle'
module Python
def __class__= k
value = _wrap self
[k.object_id<<1].pack('Q').unpack('C8').each_with_index {|n,i|value[i+8]=n}
end
def _wrap klass; Fiddle::Pointer.new Fiddle.dlwrap klass; end
end
@epicserve
epicserve / redis_key_sizes.sh
Last active February 21, 2024 18:30
A simple script to print the size of all your Redis keys.
#!/usr/bin/env bash
# This script prints out all of your Redis keys and their size in a human readable format
# Copyright 2013 Brent O'Connor
# License: http://www.apache.org/licenses/LICENSE-2.0
human_size() {
awk -v sum="$1" ' BEGIN {hum[1024^3]="Gb"; hum[1024^2]="Mb"; hum[1024]="Kb"; for (x=1024^3; x>=1024; x/=1024) { if (sum>=x) { printf "%.2f %s\n",sum/x,hum[x]; break; } } if (sum<1024) print "1kb"; } '
}
@wrburgess
wrburgess / gist:5528649
Last active November 24, 2022 15:29
Backup Heroku Postgres database and restore to local database

Grab new backup of database

Command: heroku pgbackups:capture --remote production

Response: >>> HEROKU_POSTGRESQL_COLOR_URL (DATABASE_URL) ----backup---> a712

Get url of backup download

Command: heroku pgbackups:url [db_key] --remote production

@sap1ens
sap1ens / backbone-custom-method.js
Created February 1, 2013 16:35
Adding Backbone.js custom REST method
var MyModel = Backbone.Model.extend({
someMethod: function(opts) {
var url = this.url() + '/someMethod',
// note that these are just $.ajax() options
options = {
url: url,
type: 'POST'
};
// add any additional options, e.g. a "success" callback or data
@codeinthehole
codeinthehole / run.py
Created November 21, 2012 13:46
Sample Celery chain usage for processing pipeline
from celery import chain
from django.core.management.base import BaseCommand
from . import tasks
class Command(BaseCommand):
def handle(self, *args, **kwargs):
@mhfs
mhfs / imagemagick_rmagick.rb
Created February 3, 2010 17:57
Homebrew ImageMagick formula that plays nice with RMagick
require 'formula'
# some credit to http://github.com/maddox/magick-installer
# NOTE please be aware that the GraphicsMagick formula derives this formula
def ghostscript_srsly?
ARGV.include? '--with-ghostscript'
end
def x11?