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Scroll back to the top of scrollable div
...t we will not be looking at the top of the it, it will already be scrolled down a bit.
– imhere
May 24 '12 at 20:01
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Adjusting and image Size to fit a div (bootstrap)
...id, the results aren't the best. Ideally, I'd like the images to be shrunk down so that the height of the image fits the height of the div, and the width of the image that exceeds the width of the constraining div would be hidden. If that makes sence
– smilefreak24
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How to join (merge) data frames (inner, outer, left, right)
... df2:
merge(df1,df2, all.y=TRUE)
you can flip 'em, slap 'em and rub 'em down to get the other two outer joins you asked about :)
Subscript Method
A left outer join with df1 on the left using a subscript method would be:
df1[,"State"]<-df2[df1[ ,"Product"], "State"]
The other combination o...
How can I trim beginning and ending double quotes from a string?
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Here is the regex broken down: ^\"|\"$. | means "or". It will thus match either ^\" or \"$. ^ matches start of string and $ matches end of string. ^\" means match a quote at the start of the string and \"$ matches a quote at the end of the string.
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When to use IList and when to use List
...headache if you decide to use a Stack or some other data structure further down the road. If all you need to do in the function is foreach through it, IEnumerable<T> is really all you should be asking for.
On the other hand, when returning an object out of a function, you want to give the us...
Get key by value in dictionary
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I just wanted to benchmark it myself, scrolled down, bam there you have it. Thanks! Technically as you already pointed out method 2 doesn't do the exact same thing as 1 and 3 because it returns all matches. would be nice to see the results for e.g. return next([..]).
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Algorithm for Determining Tic Tac Toe Game Over
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How about this pseudocode:
After a player puts down a piece at position (x,y):
col=row=diag=rdiag=0
winner=false
for i=1 to n
if cell[x,i]=player then col++
if cell[i,y]=player then row++
if cell[i,i]=player then diag++
if cell[i,n-i+1]=player then rdiag++
if row...
How do I manage MongoDB connections in a Node.js web application?
...te/close DB connection for every request, the perfomance of my app dropped down with this.
– Leandro Lima
Mar 1 '19 at 17:00
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How to randomly pick an element from an array
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I just noticed a notification that I downvoted this answer - I must have clicked it accidentally; unfortunately the interface won't let me undo it (it says I can't change my vote unless the answer is edited...). So, apologies to Chris Dennett.
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iOS 6: How do I restrict some views to portrait and allow others to rotate?
...have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fo...