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Moment JS - check if a date is today or in the future
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Since no one seems to have mentioned it yet, the simplest way to check if a Moment date object is in the past:
momentObj.isBefore()
Or in the future:
momentObj.isAfter()
Just leave the args blank -- that'll default to now.
Ther...
Why am I getting a NoClassDefFoundError in Java?
... @DaveL. Thanks! Jared's answer with 400+ upvotes is way below! One answer with -4 up(down?)votes is way above it. There is something fishy about SO's answer ordering logic.
– Saurabh Patil
Jul 31 '17 at 14:00
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Where does R store packages?
... I've got a dozen R manuals on my Kindle (including the 3,000+ page one) and wasn't aware of the Startup help file. I've been reading the manuals and hit a dead-end. Go figure it was a simple answer all along. Do I lose points for RTFM questions <- I don't have many to lose. Thanks again...
How to remove all subviews of a view in Swift?
...d to remove at once all subviews from a superview instead of removing them one by one.
20 Answers
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How do I create delegates in Objective-C?
... that has been assigned to the delegate property another object. To create one, you define a class that implements the delegate methods you're interested in, and mark that class as implementing the delegate protocol.
For example, suppose you have a UIWebView. If you'd like to implement its delegate...
Scrolling down both parts of a split-window at the same time in Vim
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Go to the first split, and type in
:set scrollbind
Go to the next one (ctrl+w), and do the same.
To disable:
:set noscrollbind
For more info, check the documentation for scroll binding - http://vimdoc.sourceforge.net/htmldoc/scroll.html#scroll-binding
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Python - Create a list with initial capacity
...essage)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some unique object %d" % ( i, )
result[i]= message
return result
Results. (evaluate each function 144 times and average the duration)
simple append 0.0102
pre-al...
What's wrong with nullable columns in composite primary keys?
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Primary keys are for uniquely identifying rows. This is done by comparing all parts of a key to the input.
Per definition, NULL cannot be part of a successful comparison. Even a comparison to itself (NULL = NULL) will fail. This means a key containing NULL would not work.
Addito...
source of historical stock data [closed]
...ers. This is mainly about US stock data.
To start with, if you have some money don't bother with downloading data from Yahoo, get the end of day data straight from CSI data, this is where Yahoo gets their EOD data as well AFAIK. They have an API where you can extract the data to whatever format yo...
How to parse JSON using Node.js? [closed]
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Anyone know why that's not in the official documentation? Or, if it is, where to find it?
– snapfractalpop
Mar 21 '12 at 18:58
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