Editor Team

Why is Reading lines From Stdin Much Slower in C++ Than Python?

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In this post, we will learn Why is reading lines from stdin is much slower in C++ than in Python which might be because of a number of reasons like because of complexity, because of an interpreter, and might not optimization which we will discuss in this post here one by one. Reading Lines In … Read more

How To Limit Float To Two Decimal Points?

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In this post, we will learn How to Limit float to two decimal points where we can use the round () function and where we can provide the variable and the number of decimal points we want as the argument of the function. Limit the Decimal points In Float Values Using Round Method As we … Read more

Does Python Have a Ternary Conditional Operator?

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In this post, we will try to find out Does Python have a Ternary conditional operator as we know that ternary operators are another way to write the if else condition in a single line And yes, Python too supports it for the execution of the program. And here we have given an example to … Read more

How To Extract Year, Month, Day, Hour And Minutes From a Date Time Field?

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In this post, we will get to know How to extract the year, month, day, hour, and minutes from a Date Time Field where we need to use different methods to get different entities like for example ‘day of the month’, ‘year’, ‘month’, ‘hour’, and ‘minute’ aggregate operator as per the requirements. Extract Different Entities … Read more

Is There An Easy Way To Convert ISO 8601 Duration To Time delta?

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In this post we will find out Is there an easy way to convert ISO 8601 duration to a time delta and for the same we can use an aggregation framework and $convert operator to convert an ISO 8601 duration to a time delta in MongoDB. ISO 8601 Duration To Time As ISO 8601 duration … Read more

How to Update Multiple Array Elements In MongoDB

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In this tutorial, we will get to know How to Update Multiple Array Elements in MongoDB which we can do using the $element match operator along with the combination of the $set operator and the ‘$[] ‘ positional operator. Update Multiple Array Elements Here we have given an example to implement the same and get … Read more

Update MongoDB Field Using Value Of Another Field

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In this post, we will get to know how to Update the MongoDB field using value of another field which we can simply do using $set operator where we simply provide the name of the column we want to update where we use ‘$’ and ‘set’ operators in combinations. We have given some explanations below … Read more

Retrieve Only The Queried Elements In An Object Array in MongoDB Collection

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In this post, we will learn to Retrieve only the queried elements in an object array in the MongoDB collection where we can use the elemMatch operator for getting the queried element in an element in an object array for a collection.     Retrieve Queried Elements Here we have given an example of executing … Read more

Passing An Array To A Query Using A WHERE Clause

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In this post, we will discuss How to Passing An Array To A Query Using A WHERE Clause using a ‘where’ clause along with the ‘in’ operator for the same we have given an example here. Passing An Array The Syntax for the same is given below here. SELECT * FROM table _name WHERE column_ … Read more

How Can I Make SQL Case-Sensitive String Comparison on MySQL?

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In this post, we will discuss How to make SQL case-sensitive string comparisons on MySQL by default we know MySQL is case insensitive but we can always perform the case sensitive comparisons between two strings by using a collection that is case sensitive. case-sensitive Case Sensitivity refers to the value of the upper case being … Read more

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