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[#e60049", "#0bb4ff", "#50e991", "#e6d800", "#9b19f5", "#ffa300", "#dc0ab4", "#b3d4ff", "#00bfa0"]
# import the required library to open HDF file
from pandas import HDFStore
class OpenHDFS():
"""
Context Manager class to open / create a HDFS / h5 file
"""
def __init__(self, filename):
"""
@ijokarumawak
ijokarumawak / read-flowfile-contents.py
Last active December 3, 2024 02:57
Example Python script to use from NiFi ExecuteScript processor which reads the first line from an incoming flow file.
from org.apache.nifi.processors.script import ExecuteScript
from org.apache.nifi.processor.io import InputStreamCallback
from java.io import BufferedReader, InputStreamReader
class ReadFirstLine(InputStreamCallback) :
__line = None;
def __init__(self) :
pass
@ekinertac
ekinertac / field_blank_null.md
Last active December 4, 2024 06:03
Django null/blank field explanation
Fields null=True blank=True
CharField, TextField, SlugField, EmailField, CommaSeparatedIntegerField DON'T Django's convention is to store empty values as the empty string, and to always retrieve NULL or empty values as the empty string for consistency. OK Do this if you want the corresponding form widget to accept empty values. If you set this, empty values get stored as empty strings in the database.
BooleanField DON'T Use NullBooleanField instead. DON'T
IntegerField, FloatField, DecimalField OK If you wabt to be able to set the value to NULL in the database OK if you want the corresponding form widget to accept empty values. if so out will also want to set null=True
DateTimeField, DateField, TimeField OK if you want to be able to set the value to NULL in the database. OK If you want the corresponding form widget to accept empty values, or if you are using auto now or auto now add. If so, you will al
@codeguy
codeguy / slugify.js
Created September 24, 2013 13:19
Create slug from string in Javascript
function string_to_slug (str) {
str = str.replace(/^\s+|\s+$/g, ''); // trim
str = str.toLowerCase();
// remove accents, swap ñ for n, etc
var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
var to = "aaaaeeeeiiiioooouuuunc------";
for (var i=0, l=from.length ; i<l ; i++) {
str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
}