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Rajendra Dharmkar has Published 453 Articles
Rajendra Dharmkar
252 Views
The Python libraries are now available in MATLAB (since 2014b). We can run code directly in MATLAB if we are using version 2014b or later.This makes it possible to use python modules in MATLAB. Without any other changes, just prefix ‘py’ before the python library name you want to use. ... Read More
Rajendra Dharmkar
446 Views
This can be done by following codestry: x, y =7, 0 z = x/y except: passORtry: x, y =7, 0 z = x/y except Exception: passThese codes bypass the exception in the try statement and ignore the except clause and don’t raise any exception.The difference in the above codes is ... Read More
Rajendra Dharmkar
139 Views
To override something or pass extra arguments to the exception we do like this in modern python:class ValidationError(Exception): def __init__(self, message, errors): super(ValidationError, self).__init__(message) self.errors = errorsThat way we could pass dictionary of error messages to the second parameter, and get to it later on when needed.Read More
Rajendra Dharmkar
108 Views
Yes in given code ‘err’ is an exception object.In python everything is an object. And every object has attributes and methods. So exceptions much like lists, functions, tuples etc are also objects. So exceptions too have attributes like other objects. These attributes can be set and accessed as follows. There ... Read More
Rajendra Dharmkar
844 Views
If a python code throws an exception, we can catch it and print the type, the error message, traceback and get information like file name and line number in python script where the exception occurred.We can find the type, value, traceback parameters of the errorType gives the type of exception ... Read More
Rajendra Dharmkar
632 Views
You can use the jsmin module to minimize/obfuscate javascript code using Python. Install jsmin using:$ pip install jsminTo use jsmin in your python project to minimize a js file, say hello.js, you can use it as follows:>>> from jsmin import jsmin >>> with open('hello.js') as js_file: ... minified ... Read More
Rajendra Dharmkar
505 Views
Setting up CookiesIt is very easy to send cookies to browser. These cookies are sent along with HTTP Header before to Content-type field. Assuming you want to set UserID and Password as cookies. Setting the cookies is done as follows −#!/usr/bin/python print "Set-Cookie:UserID = XYZ;\r" print "Set-Cookie:Password = XYZ123;\r" print ... Read More
Rajendra Dharmkar
2K+ Views
Python code is organized in files called "modules" and groups of related modules called “packages".A module is a distinct unit that may have one or more closely-related classes. Modules need to be imported before they are read, used, maintained and extended if needed. So a module is a unit or ... Read More
Rajendra Dharmkar
2K+ Views
There are no 'private variables' in Python classes as such. All variables and methods in Python are public by default. There is sometimes an emulation of private variables by using the double underscore __ prefix to the variable's names. This makes these variables invisible or not easily visible outside of ... Read More
Rajendra Dharmkar
717 Views
I would recommend generateDS for converting a XSD file to a Python class . In my opinion, it is a good tool for the said purpose.It (generatS) generates the Python class with all methods (setters and getters, export to XML, import from XML). It does a good job and works ... Read More