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"""
Django ORM Optimization Tips
Caveats:
* Only use optimizations that obfuscate the code if you need to.
* Not all of these tips are hard and fast rules.
* Use your judgement to determine what improvements are appropriate for your code.
"""
# ---------------------------------------------------------------------------
@rosenfeld
rosenfeld / thread-pool.rb
Created June 7, 2016 12:49
Simple thread pool implementation in Ruby
require 'thread' # for Mutex: Ruby doesn't provide out of the box thread-safe arrays
class ThreadPool
def initialize(max_threads = 10)
@pool = SizedQueue.new(max_threads)
max_threads.times{ @pool << 1 }
@mutex = Mutex.new
@running_threads = []
end
@pyricau
pyricau / OomExceptionHandler.java
Created May 6, 2015 17:18
Dump the heap on OutOfMemoryError crashes in your debug builds.
import android.content.Context;
import android.os.Debug;
import java.io.File;
public class OomExceptionHandler implements Thread.UncaughtExceptionHandler {
private static final String FILENAME = "out-of-memory.hprof";
public static void install(Context context) {
Thread.UncaughtExceptionHandler defaultHandler = Thread.getDefaultUncaughtExceptionHandler();
@mssola
mssola / singleton.rb
Created August 2, 2013 07:44
Different ways to create the Singleton pattern in Ruby.
##
# This files shows some possible implementations of the Singleton pattern
# in Ruby. I'm not a huge fan of the Singleton pattern, but it's nice
# in some cases. In this file I'm going to implement a simple logger.
#
##
# The first implementation that can come to our minds is to create a class
# that holds an instance as a class variable that can be accessed through
@debreczeni
debreczeni / git-show-big-files.sh
Created May 2, 2012 16:41
Find large files in git repository
#!/bin/bash
#set -x
# Shows you the largest objects in your repo's pack file.
# Written for osx.
#
# @see http://stubbisms.wordpress.com/2009/07/10/git-script-to-show-largest-pack-objects-and-trim-your-waist-line/
# @author Antony Stubbs