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How do you check if a variable is an array in JavaScript? [duplicate]
I would like to check whether a variable is either an array or a single value in JavaScript.
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When should null values of Boolean be used?
Java boolean allows values of true and false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as
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ng-model for `` (with directive DEMO)
I tried to use ng-model on input tag with type file:
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Cleaning up old remote git branches
I work from two different computers (A and B) and store a common git remote in the dropbox directory.
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What is the optimal length for an email address in a database?
Here is an extracted portion of my query, reflecting the EMAIL_ADDRESS column data type and property:
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What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
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How to use multiple arguments for awk with a shebang (i.e. #!)?
I'd like to execute an gawk script with --re-interval using a shebang. The "naive" approach of
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Creating .pem file for APNS?
How do I create a .pem file to be stored in the hosting server for APN payload data?
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What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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Does JavaScript guarantee object property order?
If I create an object like this:
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