mutairibassam

const pipeline_using_match_group = [
  // Stage 1: match the accounts with a balance greater than $1,000
  { $match: { balance: { $lt: 1000 } } },
  // Stage 2: Calculate average balance and total balance
  {
    $group: {
      _id: "$account_type",
      total_balance: { $sum: "$balance" },
      avg_balance: { $avg: "$balance" },
    },

mutairibassam

    public abstract TodoDao todoDao();

    //Create the WordRoomDatabase as a singleton to prevent having multiple instances of the database opened
    //at the same time, which would be a bad thing
    private static TodoDatabase INSTANCE;
    public static final String DATABASE_NAME = "TASK_DATABASE";

    // singlton: to make sure there is no more than one copy
    // @synchronized one thread only can deal with this database
    public static synchronized TodoDatabase getInstance(Context context) {

mutairibassam

# Tip 1
# to print all the interactive output, not only the last result.
from IPython.core.interactiveshell import InteractiveShell
InteractiveShell.ast_node_interactivity = "all"

################################################################################
# Tips 2
# get_option() / set_option() - get/set the value of a single option.
pd.get_option("display.max_rows") # return max_rows value

mutairibassam

# In your terminal, replace NOTEBOOK_NAME with the name of your notebook

jupyter nbconvert NOTEBOOK_NAME.ipynb --to slides --post serve
jupyter nbconvert NOTEBOOK_NAME.ipynb --to html

mutairibassam

{# Jupyter Notebook Toggle Template for Slides by Damian Avila 
   from http://www.damian.oquanta.info/posts/hide-the-input-cells-from-your-ipython-slides.html
#}

{%- extends 'slides_reveal.tpl' -%}

{% block input_group -%}
<div class="input_hidden">
{{ super() }}
</div>

mutairibassam

# hiding code for proper presentation
from IPython.display import HTML
HTML('''<script>
code_show=true; 
function code_toggle() {
 if (code_show){
 $('div.input').hide();
 } else {
 $('div.input').show();
 }