duyet

def convert(sqlContext: SQLContext, filename: String, schema: StructType, tablename: String) {
  // import text-based table first into a data frame.
  // make sure to use com.databricks:spark-csv version 1.3+ 
  // which has consistent treatment of empty strings as nulls.
  val df = sqlContext.read
    .format("com.databricks.spark.csv")
    .schema(schema)
    .option("delimiter","|")
    .option("nullValue","")
    .option("treatEmptyValuesAsNulls","true")

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

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

franz-josef-kaiser

<?php
defined( 'ABSPATH' ) OR exit;

add_action( 'init', array( 'oxoImageSizesExtd', 'init' ), 0 );

class oxoImageSizesExtd extends oxoImageSizes
{
	/**
	 * The Class Object
	 * @var