chad3814

// This is from my comment here: http://wolfram.kriesing.de/blog/index.php/2008/javascript-remove-element-from-array/comment-page-2#comment-466561

/*
 * How to delete items from an Array in JavaScript, an exhaustive guide
 */

// DON'T use the delete operator, it leaves a hole in the array:
var arr = [4, 5, 6];
delete arr[1]; // arr now: [4, undefined, 6]

bmpvieira

Setting up Crashplan on FreeNAS Goals

Be able to backup from the FreeNAS box to offsite Crashplan Central. Allow incoming Crashplan backups from other devices. Install the CrashPlan plugin

Install the plugin into a jail: Click on Plugins, then the Available tab, the "crashplan" line and finally the Install button. Once the installation completes, on the left tree, expand Plugins and click on CrashPlan. Accept the Java EULA. Start the Crashplan plugin: Plugins->Installed and make sure the Crashplan plugin is in the "ON" position.

saurabhshri

Install and use pip in a local directory without root/sudo access.

By: @saurabhshri

Why?

Many users when are given server access, do not have root (or sudo) privileges and can not simply do sudo apt-get install python-pip . Here's an easy way you can install and use pip without root (or sudo) access in a local directory. Note : This works without easy_install too.

How?

firmanelhakim

/* this is the box (and the version) that we want to download from: https://app.vagrantup.com/debian/boxes/jessie64 */
wget https://app.vagrantup.com/debian/boxes/jessie64/versions/8.9.0/providers/virtualbox.box -O debian-jessie64-8.9.0.box

/* add the box to vagrant */
vagrant box add debian/jessie64 debian-jessie64-8.9.0.box

/* update box version */
cd ~/.vagrant.d/boxes/debian-VAGRANTSLASH-jessie64/
mv 0 8.9.0

andyrbell

# use ImageMagick convert
# the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf
convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf

cpursley

PostgreSQL is Enough

• Simplify: move code into database functions
• Just Use Postgres for Everything
• PostgreSQL is the worlds’ best database
• Postgres is eating the database world
• Hacker News discussion

Background and Cron Jobs