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Where is the C auto keyword used?
In my college days I read about the auto keyword and in the course of time I actually forgot what it is. It is defined as:
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Copying a HashMap in Java
I am trying to keep a temporary container of a class that contains member :
11 Answers
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What does the 'Z' mean in Unix timestamp '120314170138Z'?
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Yes. 'Z' stands for Zulu time, which is also GMT and UTC.
From http://en.wikipedia.org/wiki/Coordinated_Universal_Time:
The UTC time zone is sometimes denoted by the letter Z—a reference to
the equivalent nautical ti...
Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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How to select bottom most rows?
I can do SELECT TOP (200) ... but why not BOTTOM (200)?
14 Answers
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How to detect if a function is called as constructor?
...sible in ES2015 and later. See Daniel Weiner's answer.
I don't think what you want is possible [prior to ES2015]. There simply isn't enough information available within the function to make a reliable inference.
Looking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are...
Use of 'prototype' vs. 'this' in JavaScript?
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The examples have very different outcomes.
Before looking at the differences, the following should be noted:
A constructor's prototype provides a way to share methods and values among instances via the instance's private [[Prototype]] property...
Length of generator output [duplicate]
Python provides a nice method for getting length of an eager iterable, len(x) that is. But I couldn't find anything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like:
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Salting Your Password: Best Practices?
I've always been curious... Which is better when salting a password for hashing: prefix, or postfix? Why? Or does it matter, so long as you salt?
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jQuery: Difference between position() and offset()
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Whether they're the same depends on context.
position returns a {left: x, top: y} object relative to the offset parent
offset returns a {left: x, top: y} object relative to the document.
Obviously, if the document is the offset pa...