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Check if a variable is of function type
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There might be someone who has made more extensive research on the matter, but have a look at the results of revision 4 of the jsperf with simple "result verification". isFunctionA shows an implementation difference compared to the other method...
Uint8Array to string in Javascript
...ript string (I believe Javascript uses 16 bit Unicode)? I dont want to add one character at the time as the string concaternation would become to CPU intensive.
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what's data-reactid attribute in html?
...ute is a custom attribute used so that React can uniquely identify its components within the DOM.
This is important because React applications can be rendered at the server as well as the client. Internally React builds up a representation of references to the DOM nodes that make up your applicatio...
Is 'float a = 3.0;' a correct statement?
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If one wishes to compute a value which is one tenth of someFloat, the expression someFloat * 0.1 will more accurate results than someFloat * 0.1f, while in many cases being cheaper than a floating-point division. For example, (...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...on server can return both an access_token (which is used to authenticate oneself with a resource) as well as a refresh_token , which is used purely to create a new access_token :
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How to select rows with no matching entry in another table?
...application and I've discovered that, joy of joys, even though values from one table are being used in the style of foreign keys, there's no foreign key constraints on the tables.
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What's the best way to join on the same table twice?
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First, I would try and refactor these tables to get away from using phone numbers as natural keys. I am not a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so. Updating your database when that change happens wi...
Are “while(true)” loops so bad? [closed]
...learn that, on my last assignment, I lost points for using a loop like the one below.
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html select option separator
...ser would be confronted with rows of dashes and would have to examine each one to find out what was behind it.
– Quentin
May 22 '09 at 18:41
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How do I get a list of all the duplicate items using pandas in python?
...ate. Is there a a way to get all of the duplicates and not just the first one?
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