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How to Check if Key Exists in Python Dictionary

Often you may need to check if key exists in python dictionary. Here are the steps to do so.

Sometimes you may need to get random number between two numbers in JavaScript. Here is how to do it.

Sometimes you may need to configure catch all location in NGINX. Here are the steps to do so.

Often you may need to download images in Python. Here are the steps to do so.

Sometimes you may need to remove trailing newline from one or sentences in Python. Here is how to remove trailing newline in Python.

Sometimes you may need to pad string with zeroes in Python. Here is how to pad string in Python.

Sometimes you may need to get size of object in Python. Here are the steps to determine object size in Python.

Sometimes you may need to import from parent folder in Python. Here are the steps to do so.

Sometimes you may need to attach event to dynamic elements in JavaScript. Here are the steps to do so.

Sometimes you may need to get subset of JS object. Here are the steps to do this.