andersondias

-- Default order will return NULL values at
-- the end of list
SELECT value FROM example ORDER BY value;
  ------------
  -- value  --
  ------------
  -- 1      --
  -- 2      --
  -- 3      --
  -- NULL   --

thedouglenz

#!/usr/bin/env php
<?php
    /*
     * A program to grab a quick summary of some topic from Wikipedia.
     * Usage: wiki <subject>
     *
     * subject can contain spaces if, for example, it is more than one word.
     * Examples
     * `wiki cherry bomb`
     * `wiki Hercules`

tnoda

(defn id-mat
  "Creates an identity matrix of n x n size"
  [n]
  (let [init (square-mat n 0 :implementation :clatrix)
        identity-f (fn [i j n]
                     (if (= i j) 1 n))]
    (cl/map-indexed identity-f init)))

;; clj-ml1.matrix-basics> (id-mat 5)
;;  A 5x5 matrix

tsiege

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






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nachocab

# download docx2txt by Sandeep Kumar
wget -O docx2txt.pl http://www.cs.indiana.edu/~kinzler/home/binp/docx2txt

# make a wrapper 
echo '#!/bin/bash
docx2txt.pl $1 -' > docx2txt
chmod +x docx2txt

# make sure docx2txt.pl and docx2txt are your current PATH. Here's a guide
http://shapeshed.com/using_custom_shell_scripts_on_osx_or_linux/

nikcub

In August 2007 a hacker found a way to expose the PHP source code on facebook.com. He retrieved two files and then emailed them to me, and I wrote about the issue:

http://techcrunch.com/2007/08/11/facebook-source-code-leaked/

It became a big deal:

http://www.techmeme.com/070812/p1#a070812p1

The two files are index.php (the homepage) and search.php (the search page)

swannodette

(ns fj
  (:import [java.util.concurrent RecursiveTask 
                                 ForkJoinPool]))

(set! *warn-on-reflection* true)

;; -----------------------------------------------
;; Helpers to provide an idiomatic interface to FJ

(defprotocol IFJTask