• node.js – Renewing/Refreshing Express Session – Stack Overflow

  “saveUninitialized: true,
  resave: true,
  maxAge: 20000”

  tags: nodejs express session duration expires refresh keep logged fix logout issues

• node.js – Mongoose aggregation sort dynamically – Stack Overflow

  “var sortOperator = { “$sort”: { } },
  groupOperator = {
  “$group”: {
  “_id”: “$workplace”,
  “avgTemperature”: { “$avg”: “$temperature” },
  “avgNoise”: { “$avg”: “$noise” }
  }
  },
  sort = “avgTemperature”; // <– dynamic query

  sortOperator["$sort"][sort] = 1; // <– create sort operator using bracket notation
  Measurement.aggregate([ groupOperator, sortOperator ])
  .exec(callback);
  "

  tags: nodejs mongoose sort aggregate variable operator

• openoffice – Open Office Calc: Convert a date to timestamp – Super User

  “=(C2 – DATEVALUE(“1/1/1970″))*86400”

  tags: libreoffice calc convert date timestamp epoch mongo etl import export

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