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@media (min-width:320px) { /* smartphones, portrait iPhone, portrait 480x320 phones (Android) */ }
@media (min-width:480px) { /* smartphones, Android phones, landscape iPhone */ }
@media (min-width:600px) { /* portrait tablets, portrait iPad, e-readers (Nook/Kindle), landscape 800x480 phones (Android) */ }
@media (min-width:801px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }

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Raspberry Pi setup

Just wanted a quick start guide for myself so that I wouldn't have to keep rooting through Google to remember all this stuff. Hopefully it helps other people.

If you had other ideas or suggestions please leave a comment.

Useful things to own before you buy a Pi

The first time I bought a Pi I was enormously frustrated with myself because I didn't own all of this stuff. Kept having to order things off of Amazon and wait to get started... very irritating. This is all good stuff to have laying around anyway:

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Operating Systems

• Raspbian “wheezy”, Soft-float Debian “wheezy”, Arch Linux ARM, and QtonPi
• Raspbian “wheezy” minimal
• Adafruit's Raspberry Pi Linux
  • also see Adafruit's library code

Tutorials / Readings / Support

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Title

<Additional information about your API call. Try to use verbs that match both request type (fetching vs modifying) and plurality (one vs multiple).>

• URL

  <The URL Structure (path only, no root url)>

• Method:

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import tushare as ts
import pytz
from datetime import datetime

symbol = '0000001'
trading_date = '2015-09-09'
df = ts.get_tick_data(symbol, trading_date)
df['date'] = trading_date
df['dateTime'] = df['date'] + ' ' + df['time']
tz = pytz.timezone(pytz.country_timezones('cn')[0])

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<!-- Shared version number properties -->
<properties>
    <org.springframework.version>3.0.5.RELEASE</org.springframework.version>
</properties>

<!--
    Core utilities used by other modules.
    Define this if you use Spring Utility APIs (org.springframework.core.*/org.springframework.util.*)
-->
<dependency>

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$block = block_load($module, $delta);
$render_array = _block_get_renderable_array(_block_render_blocks(array($block)));
$output = render($render_array);

function rff_custom_block_load($title) {
  $block = db_query('SELECT * FROM {block} WHERE title = :title', array(':title' => $title))->fetchObject();

  // If the block does not exist in the database yet return a stub block
  // object.
  if (empty($block)) {

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import subprocess as sp

subprocess.call("pwd")  # $pwd
subprocess.call(["ls", "-l"])  # $ls -l

# to store output to the output variable
# ex1
p = sp.Popen("date", stdout=sp.PIPE, shell=True)
output, err = p.communicate()
print "Today is", output

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Task list

• Todo1
• Todo2
• Todo3

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#! /usr/bin/env python

import argparse
parser = argparse.ArgumentParser(description="calculate X to the power of Y")
group = parser.add_mutually_exclusive_group()  # allow to specify options that conflict with each other
group.add_argument("-v", "--verbose", action="store_true")
group.add_argument("-q", "--quiet", action="store_true")
parser.add_argument("x", type=int, help="the base")
parser.add_argument("y", type=int, help="the exponent")
args = parser.parse_args()