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Is there any kind of hash code function in JavaScript?
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JavaScript objects can only use strings as keys (anything else is converted to a string).
You could, alternatively, maintain an array which indexes the objects in question, and use its index string as a reference to the object. Something like this:
var ObjectReference = [];
ObjectReferenc...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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Most .Net languages including C# and VB do not use the tail recursion feature of MSIL code.
Tail recursion is an optimization that is common in functional languages. It occurs when a method A ends by returning the value of method B such that method A's stac...
json.dumps vs flask.jsonify
...ts headers set as "content-type: application/json", its payload set as the converted-to-JSON-string dict. dumps simply makes a converted-to-JSON-string. It's not a properly-formatted flask.Response() object. So if your view says "return json.dumps(dict)", then the recipient will just get a regular "...
Applicatives compose, monads don't
What does the above statement mean? And when is one preferable to other?
5 Answers
5
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How to check if a float value is a whole number
...ke into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real number). But adjusting your loop a little this gives:
>>> for n in range(12000, -1,...
Difference between object and class in Scala
I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example.
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Why Would I Ever Need to Use C# Nested Classes [duplicate]
I'm trying to understand about nested classes in C#. I understand that a nested class is a class that is defined within another class, what I don't get is why I would ever need to do this.
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How do I set the default font size in Vim?
...ndows')
"get dpi, strip out utf-16 garbage and new lines
"system() converts 0x00 to 0x01 for 'platform independence'
"should return something like 'PixelsPerXLogicalInch=192'
"get the part from the = to the end of the line (eg '=192') and strip
"the first character
"and conve...
How do I get the first n characters of a string without checking the size or going out of bounds?
...If the reader hasn't seen this trick, he/she has to think harder to understand the code. IMO, the code's meaning is more obvious in the if / else version. For a cleaner / more readable solution, see @paxdiablo's answer.
sh...
Strengths of Shell Scripting compared to Python [closed]
...ntage. For example, consider resizing a directory full of images with the convert program.
– Glenn
May 1 '09 at 23:24
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