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 |
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[#e60049", "#0bb4ff", "#50e991", "#e6d800", "#9b19f5", "#ffa300", "#dc0ab4", "#b3d4ff", "#00bfa0"] |
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# 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): | |
""" |
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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 |
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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)); | |
} |