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What is the numpy.ma.masked_all() function in Python?
Overview The ma.masked_all() function in Python is used to empty a masked array of the given shape and data type with all elements masked. Syntax ma.m...
function
python
numpy
How to associate a map in Clojure
In Clojure, we can associate a map using the associate function (aka assoc). It has two modes of application: If applied to a map, it produces a new m...
clojure
What is the Project Management Triangle?
When a company decides to develop software, there are three significant factors to consider: Scope Time Cost Scope Everything starts with a question: ...
project management
project triangle
What is EnableReflectionKey(key) in the winreg Python module?
winreg - Windows registry access provides functions that expose the Windows registry API to Python. Windows registry is a collection of databases that...
python
What is Period.isNegative() in Java?
isNegative() is an instance method of the Period class that is used to check if the value of any of the three units (such as years, months, and days) ...
java
How to customize an HTML form with Bootstrap 4
Overview Bootstrap allows us to customize the appearance of our form. It allows us to style every HTML element involved in creating a form from the ch...
bootstrap 4
input-group
What is the find-ns method in Clojure?
Overview Namespaces in Clojure are used to distinguish classes into separate logical parts. It is used when we have multiple imported classes in our c...
find-ns method
clojure
What is Duration.minusNanos() in Java?
minusNanos() is an instance method of the Duration class, which is used to subtract the specified duration in nanoseconds from the Duration object. Th...
java
minusnanos
How to become a Google Certified Professional Data Engineer
Google Certified Professional Data Engineer A Professional Data Engineer enables data-driven decision making by collecting, transforming, and publishi...
general
What are explicit defaultProps?
Browsing around the internet, I stumbled on Airbnb’s javascript Github repo where they keep a list of best practices on JavaScript. Not only on JS but...
javascript
How to add one to a number represented as a linked list
A linked list is a data structure made up of one or more nodes. Each node contains a data value and a pointer to the next node, forming a chain-like s...
adt
linked list
What is float.zero in Ruby?
Overview The method zero? can be invoked on a float value and returns a Boolean value. It checks if the float value is 0.0 or not. If true, it returns...
float
ruby
zero
What is AVG() in SQL?
The AVG() function returns the average value of a set of values. Figure 1 shows a visual representation of the AVG() function. Syntax AVG(column) Para...
sql
mysql
avg
How to become a Google Certified Professional Security Engineer
Google Certified Professional Security Engineer A Professional Cloud Security Engineer enables organizations to design and implement a secure infrastr...
general
What is Ruby debugger?
Why do we need a debugger? A debugger is a tool that allows you to dissect and examine your code at different stages. Typically, when you compile a pr...
ruby
debugger
What is the conventional vs data library in Python?
Conventional constructor In Python, the way to initialize a constructor is as follows: This is a practice we have all been doing since the dawn of Pyt...
oop
constructor
python
What is the Stack.removeElementAt() method in Java?
The Stack class is a Last-In-First-Out (LIFO) The element inserted first is processed last and the element inserted last is processed first. stack of ...
removeelementat
stack
java
What are the loop commands in R?
Overview A loop in programming is a sequence of instructions that is continually repeated until a certain condition is reached. Loops continue to exec...
r
for
while
What is the ENV.member?() method in Ruby?
Overview The member?() method of the ENV class in Ruby tells us if there is an environment variable with the given name. The name is passed as a param...
ruby
env
member
What is stack.push() in Java?
The stack.push() function in Java is used to insert an element at the top of the stack. The following illustration shows a visual representation of th...
java

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