Why does comparing strings in python using either ‘==’ or ‘is’ sometimes produce a different result?

839

Explain how can you create production order without routing and bom?

1079

Write a program to swap two numbers without using third variable?

1351

What is the difference between reading data from an external file and reading data from an existing data set?

1232

Tell us how to login into any site if it's showing any authentication pop-up for username and password?

1038

The flushing policy is described in the subsection on process migration strategies: a) From the perspective of the source, which other strategy does flushing resembles? b) From the perspective of the target, which other strategy does flushing resemble?

2337

What is fulfillment center?

945

What is spreadsheet with example?

697

Hi, is it possible for recording shortcut key during record session? The application on which I am working is web based application. This application has several shortcut key associated with menu option. I have succesfully recorded all menu option but unable to record shortcut key.

1869

How to create pr or po by mrp?

1127

Explain what are the database objects? : sql server architect

974

What are design patterns in ios?

966

Why isnt there a numbered, multi-level break statement to break out

1103

How to select all paragraph elements whose lang attribute has a value of exactly "fr"?

755

What is the difference between a virus and a trojan?

1014