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Divide a number by 3 without using *, /, +, -, % operators
How would you divide a number by 3 without using * , / , + , - , % , operators?
48 Answers
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How do ACID and database transactions work?
What is the relationship between ACID and database transaction?
8 Answers
8
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What are the benefits of Java's types erasure?
I read a tweet today that said:
11 Answers
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Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
Why would you create a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
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Test if characters are in a string
I'm trying to determine if a string is a subset of another string. For example:
9 Answers
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Determining if a number is either a multiple of ten or within a particular set of ranges
I have a few loops that I need in my program. I can write out the pseudo code, but I'm not entirely sure how to write them logically.
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How to test if list element exists?
I would like to test if an element of a list exists, here is an example
7 Answers
7
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Counting null and non-null values in a single query
I have a table
26 Answers
26
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Difference between toFixed() and toPrecision()?
I'm new to JavaScript and just discovered toFixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is.
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