photosynthesis questions

• type coercion in JavaScript
• check value existence by NSDate as key in dictionary
• How to add an UINavigationController to an existing UIViewController programmatically
• How to delete a previewed device in Xcode 6
• How does this regex work when finding the last occurrence of a word?
• Time complexity of Uniform-cost search
• How to convert n-ary CSP to binary CSP using dual graph transformation
• how to execute es6 scripts from CLI
• How to make Mac OS use the python installed by Homebrew
• what does the double forward slash mean here?

photosynthesis answers