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Various Cheats found on the Web | |
mongo //Start Mongo | |
show dbs //Show databases | |
use mydb //User database named "mydb" | |
db //Show selected database | |
help //Get help | |
show collection //Show collections from a database | |
Finds - db.collection |
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http://docs.mongodb.org/manual/tutorial/install-mongodb-on-os-x/ "So easy" | |
1. brew update | |
2. brew install mongodb | |
3. start > mongod | |
4. test > open shell > mongo | |
db.test.save( { a: 1 } ) | |
db.test.find() | |
Recommend installing XCode Command line Tools |
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boilerplate | |
HTML Boilerplate - simple HTML includes using jquery | |
As a long time JSP developer, transitioning into the fabulous world of Pure HTML and JavaScript front-end development. There is a need to divide and conquer your web interface into manageable and reusable parts. This is a simple demo using JQuery that divides a front end website into three reusable parts. | |
Header | |
Main Container | |
Navigation | |
Footer | |
There is not much to it. JQuery does all the magic. |
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if (window.addEventListener) { | |
window.addEventListener("storage", storageEventHandler, true); | |
} else if (window.attachEvent) { | |
document.attachEvent("onstorage", storageEventHandler); | |
} |
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RASPBIAN Wheezy | |
RASPBIAN | |
Debian Wheezy | |
Version:January 2014 | |
Release date:2014-01-07 | |
Default login:pi / raspberry | |
URL:raspbian.org | |
Kernel version:3.10 | |
http://www.raspberrypi.org/documentation/installation/installing-images/mac.md |
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Navigation Keys - These are used in command mode: | |
$ Move to end of line | |
^ Move to beginning of line | |
Save and Quit Commands - These are used in lastline mode: | |
:w Write buffer (Save changes and continue working in vi Editor) | |
:w new_filename Write buffer to new filename (continue working in vi) | |
:wq Write buffer (save changes) and quit vi | |
:q! Quit without saving changes | |
:wq! Write buffer (save changes) and quit vi | |
(The ! will override Read only permissions but only if you are the owner of the file.) |
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var util = require('util') | |
function hook_stdout(callback) { | |
var old_write = process.stdout.write | |
process.stdout.write = (function(write) { | |
return function(string, encoding, fd) { | |
write.apply(process.stdout, arguments) | |
callback(string, encoding, fd) | |
} |
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//Time Complexity | |
function solution(int x, int y, int d) | |
{ | |
assert(x < y); // 1 | |
assert(d > 0); | |
int distance = y - x; // 2 | |
int steps = distance / d; // 3 | |
if(distance % d != 0) // 4 | |
++steps; |
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CLI elixir iex |
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// Forward to HTTP with Options | |
// Stop using SSLV3 (no good) | |
var options = | |
{ | |
host: config.uri_velocity.host, | |
port: config.uri_velocity.port, | |
path: config.uri_velocity.path, | |
method: 'POST', | |
headers: { | |
'Content-Type': 'application/x-www-form-urlencoded', |
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