neomatrix369

Everything I Ever Learned About JVM Performance Tuning @Twitter- by Attila Szegedi

http://www.infoq.com/presentations/JVM-Performance-Tuning-twitter (video & slides)

9 Fallacies of Java Performance - by Ben Evans

http://www.infoq.com/articles/9_Fallacies_Java_Performance (video & slides)

Visualizing Java GC - by Ben Evans

http://www.infoq.com/presentations/Visualizing-Java-GC (video & slides)

Java Garbage Collection Distilled by Martin Thompson

finalfantasia

A good commit message looks like this:

Header line: explain the commit in one line (use the imperative)

Body of commit message is a few lines of text, explaining things
in more detail, possibly giving some background about the issue
being fixed, etc.

The body of the commit message can be several paragraphs, and

please do proper word-wrap and keep columns shorter than about

kissgyorgy

from sqlalchemy import create_engine
from sqlalchemy.orm import Session
from myapp.models import BaseModel
import pytest


@pytest.fixture(scope="session")
def engine():
    return create_engine("postgresql://localhost/test_database")

treyhunner

"""
Test performance of these counting methods:

- count_if_else: Set to 1 if not yet seen and increment otherwise
- count_if: Set to 0 if not yet seen, then increment regardless of containment
- count_exception: Attempt to increment and set to 1 if KeyError caught
- count_setdefault: Set default value to 0, then increment
- count_fromkeys: Create dict with necessary keys set to 0, then increment each
- count_set_and_comprehension: Create dict of items and counts using a set
- count_defaultdict: Increment count, automatically setting unseen values to 0

oanhnn

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

1. Generate ssh key pairs for accounts and add them to GitHub accounts.

jcausey-astate

#!/usr/bin/env python2.7
#
# Send email without requiring account credentials to be stored on the 
# Docker instance.
# 
# Adapted from:
# https://moythreads.com/wordpress/2015/07/09/sending-email-with-python-without-an-mta/
# 
# Dependencies:
#   `smtplib`  (pip install smtplib to install)

tylermakin

Multipart MIME Email Guide

This is a guide on how to send a properly formatted multipart email. Multipart email strings are MIME encoded, raw text email templates. This method of structuring an email allows for multiple versions of the same email to support different email clients.

// Example Multipart Email:
From: sender@example.com
To: recipient@example.com
Subject: Multipart Email Example
Content-Type: multipart/alternative; boundary="boundary-string"

AugustoL

pragma solidity ^0.4.8;

// Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d

library ECRecover {

	// ECRecovery Methods

	// Duplicate Solidity's ecrecover, but catching the CALL return value
	function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {

jult

# Put this file under /etc/spamassassin/ and run an sa-update or reload amavis etc.
# 
#--------------------------------------------------
# The only RBL I trust, UCEPROTECT1 (single IP, not IP-ranges or entire ISPs) http://uceprotect.net
#--------------------------------------------------
header          RCVD_IN_UCEPROTECT1     eval:check_rbl_txt('uceprotect1', 'dnsbl-1.uceprotect.net')
describe        RCVD_IN_UCEPROTECT1     Listed in dnsbl-1.uceprotect.net
tflags          RCVD_IN_UCEPROTECT1     net
score           RCVD_IN_UCEPROTECT1     1.8

cjies

import base64
import ecdsa

def generate_vapid_keypair():
  """
  Generate a new set of encoded key-pair for VAPID
  """
  pk = ecdsa.SigningKey.generate(curve=ecdsa.NIST256p)
  vk = pk.get_verifying_key()