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What is the difference between window, screen, and document in Javascript?
...t model. You can access it as window
window.screen or just screen is a small information object about physical screen dimensions.
window.document or just document is the main object of the potentially visible (or better yet: rendered) document object model/DOM.
Since window is the global object ...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...in BCNF because there is no column (either key or non-key) that is functionally dependent on anything besides that key.
Because each pizza must have exactly one of each topping type, we know that (Pizza, Topping Type) is a candidate key. We also know intuitively that a given topping cannot belong ...
How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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jQuery get mouse position within an element
...entOffset = $(this).parent().offset();
//or $(this).offset(); if you really just want the current element's offset
var relX = e.pageX - parentOffset.left;
var relY = e.pageY - parentOffset.top;
});
share
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
...terminal multiplexer for Microsoft Windows. I was unable to locate the installers for Microsoft Windows for both tmux and GNU Screen.
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Why does datetime.datetime.utcnow() not contain timezone information?
...
you can give it a timezone like this
import pytz # 3rd party: $ pip install pytz
u = datetime.utcnow()
u = u.replace(tzinfo=pytz.utc) #NOTE: it works only with a fixed utc offset
now you can change timezones
print(u.astimezone(pytz.timezone("America/New_York")))
To get the current time in a...
SQL Server: Difference between PARTITION BY and GROUP BY
I've been using GROUP BY for all types of aggregate queries over the years. Recently, I've been reverse-engineering some code that uses PARTITION BY to perform aggregations. In reading through all the documentation I can find about PARTITION BY , it sounds a lot like GROUP BY , maybe with a ...
the source file is different from when the module was built
...branches of a solution in TFS. Deleting the bin and obj directories across all the checked-out branches seemed to clear things up.
– sparebytes
Aug 22 '14 at 17:45
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Why should I not wrap every block in “try”-“catch”?
...f a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
16 Answers
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Should I prefer pointers or references in member data?
... be null. This can be an advantage, but if the code ever needs changing to allow rebinding or for the member to be null, all uses of the member need to change
unlike pointer members, references can't easily be replaced by smart pointers or iterators as refactoring might require
Whenever a reference ...