Staircase | Python Solution | HackerRank

 Staircase detail

This is a staircase of size :

   #
  ##
 ###
####

Its base and height are both equal to . It is drawn using # symbols and spaces. The last line is not preceded by any spaces.

Write a program that prints a staircase of size .

Grading Students | Python Solution | HackerRank

 HackerLand University has the following grading policy:

• Every student receives a  in the inclusive range from  to .
• Any  less than  is a failing grade.

Sam is a professor at the university and likes to round each student's  according to these rules:

• If the difference between the  and the next multiple of  is less than , round  up to the next multiple of .
• If the value of  is less than , no rounding occurs as the result will still be a failing grade.

Regression Analysis MCQ's

1. What is the sum of standard error for the baseline model?

   View Answer   

   SST

2. __________ means predicting one variable from another.

   View Answer   

   Regress

3. R Square Value can be greater than zero.

   View Answer   

   False

4. ________ is a unit less quantity.

   View Answer   

   R Square

5. Two or more variables correlating in a Multiple Regression Model is known as ____________.

   View Answer   

   Multi–Correlation

Data Visualisation with Matplotlib MCQ's

1. Multiple lines can be plotted using a single plot function? State True or False

   View Answer   

   True

2. Which of the following parameter is used to set the color of a error bar in bar plots?

   View Answer   

   ecolor

3. Which of the following parameter is used to set the style of a line?

   View Answer   

   linestyle

4. A Figure can contain multiple Axes. State true or false.?

   View Answer   

   True

5. What does the function subplot return?

   View Answer   

   Axes object

TYPOGRAPHY MCQ's

1. The distance between baseline and descender line is called as

   View Answer   

   Descender height

2. The characters that are aligned with the ascender line is called as

   View Answer   

   Superscript

3. A narrower version of the regular style is called as

   View Answer   

   condensed

4. ___' is the white space formed in between the words of a justified body text.

   View Answer   

   river

5. Measurements of fixed values are called as

   View Answer   

   ABSOLUTE MEASUREMENT

Azure - Machine Learning MCQ's

1. Which of the following is a python REPL environment ?

   View Answer   

   jupyter notebook

2. What is the default Python package manager in case of Azure ML Studio?

   View Answer   

    conda 

3. Which of the following can be generally used to clean and prepare Big Data?

   View Answer   

    U-SQL

4. Reference data is _________.

   View Answer   

    additional application data for user

5. Get the required size of a dataset from a large amount of accumulated data is called ________.

   View Answer   

    statistical sampling B,D,C,A,E 

Nginx MCQ's

1. ___________ was introduced in the year 1995.

a) Apache HTTP
b) Apache Tomcat
c) Nginx
d) IBM Websphere

   View Answer   

   Apache HTTP

2. ___________ webserver was introduced primarily to support Java servlets.

a) Apache Tomcat
b) IBM Websphere
c) Nginx
d) Apache HTTP

   View Answer   

   Apache Tomcat

3. Nginx was introduced in the year _________.

a) 1998
b) 1999
c) 1996
d) 1997

   View Answer   

   1999

4. IBM Websphere was introduced in the year __________.

a) 1999
b) 1995
c) 1996
d) 1998

   View Answer   

   1998

5. Nginx has become popular as it resolves __________.

a) C10X problem
b) C10M problem
c) C10K problem
d) Event-driven

   View Answer   

   C10K problem

Grunt MCQ's

1.  How can one reduce the size of images using grunt? 

   View Answer   

   grunt-contrib-imagemin

2. After installing the required plug-ins, the next activity would be _______

   View Answer   

   Add the plug-in to the package.json file, Add the plug in through the cmd Install npm install grunt-XXX --save-dev

3. The grunt plug-in to remove any unwanted CSS within project is _________

   View Answer   

   grunt-uncss

4. Registering of tasks happens within

   View Answer   

   Gruntfile

5. While installing grunt.js, the g in "$ npm install grunt-cli -g" represents

   View Answer   

   grutnfile

Cyber Security MCQ's

1. Which of these are Personally Identifiable Information?

   View Answer   

   All

2. Which of these is an anti-virus program

   View Answer   

   All

3. What is PUP?

   View Answer   

   Potentially Unwanted Pgm

4. Internet can impose a number of Risks and hence Cybersecurity is required.

   View Answer   

   True

5. ________ monitors user activity on internet and transmit that information in the background to someone else.

   View Answer   

   Spy ware

Git Slack MCQ's

1.  What is ChatOps ?

   View Answer   

   Philosophy, Collaboration Practice

2. ChatOps helps in _

   View Answer   

   All the options mentioned

3. Compare the notifications triggered during Exercise 1 and Exercise 2. Which of the following notification to slack are missing when the GitHub repository is updated in authed mode vs. unauthed mode.

   View Answer   

   Pull Notification 

4. Merge the Pull request in GitHub for the updates made to starfeature branch. Which channels would receive notification for this event?

   View Answer   

   stakeholders and starprojectteam 

5. Delete the branch starfeature in GitHub. Which channels would receive notification for this event?

   View Answer   

   starprojectteam