April 24, 2020
#AWS
If you are trying to get an AWS Lambda added attached to a VPC, but get the error message:
The provided execution role does not have permissions to …
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April 23, 2020
#Databases
Data integrity is the overall completeness, accuracy and consistency of data (Techopedia, n.d.).
In order to achieve data integrity, it is important …!-->
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April 22, 2020
#Big Data
#Databases
Although the terms “data warehouse” and “data mart” sound similar, they are quite different. It is important to first …
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April 21, 2020
#Domains
Whois is an online service that let’s you know registration information about a website or IP address.
For the most part, Whois aggregations are …
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April 20, 2020
#Databases
The concept of a graph in mathematics is simply a collection of elements which are typically called Nodes and are joined together by Edges. Each Node …!-->
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April 19, 2020
#Git
When working with GitHub, you will need to identify yourself. The default way is using your username and password. However, you can also create an SSH …
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April 18, 2020
#Interview
#Python
The problem
Given an array of strings arr. String s is a concatenation of a sub-sequence of arr which have unique characters .
Return the maximum …
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April 17, 2020
#Big Data
The world of Big Data started out as a way of storing and querying obscene amounts of information by comparison to what yesteryears were able to …
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April 16, 2020
#Software
In the Oxford Dictionary, the term “outsourcing” is simply defined as obtaining goods or services by contract from an outside supplier …
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April 15, 2020
#Java
In Java there are eight basic data types; which are: byte, short, int, long, float, double, boolean and char.
It could realistically be said that a …
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April 14, 2020
#Java
TLDR;
When to use == in Java
When comparing two operands. It is used to check whether two operands are equal or not.It’s best to only use it …!-->
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April 13, 2020
#Java
As with many programming languages such as C, C++ and C# (known commonly as the C family), it is possible to “overload methods” (sometimes …
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