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What database does Google use?
... resources without any reconfiguration
each table has multiple dimensions (one of which is a field for time, allowing versioning)
tables are optimized for GFS (Google File System) by being split into multiple tablets - segments of the table as split along a row chosen such that the tablet will be ~2...
Select all 'tr' except the first one
...rs. There is no crossbrowser way of selecting the rows you want with CSS alone.
However, if you don't care about Internet Explorer 6, 7 or 8:
tr:not(:first-child) {
color: red;
}
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impr...
Abstraction VS Information Hiding VS Encapsulation
...an answer in its own right.
(All citations are taken from the article mentioned above.)
Abstraction:
"One point of confusion regarding abstraction is its use as both process and an entity. Abstraction, as a process, denotes the extracting of the essential details about an item, or a group of items,...
Understanding reference counting with Cocoa and Objective-C
...to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet.
...
Are lists thread-safe?
.... For example:
L[0] += 1
is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cause arbitrary Python code to be called.) You should use Qu...
How would one call std::forward on all arguments in a variadic function?
...lass=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49....
How to plot two histograms together in R?
...maybe the only thing you're missing is combining your two data frames into one long one.
So, let's start with something like what you have, two separate sets of data and combine them.
carrots <- data.frame(length = rnorm(100000, 6, 2))
cukes <- data.frame(length = rnorm(50000, 7, 2.5))
# No...
Why implement interface explicitly?
...
Yes exactly this is one case that EIMI solves. And other points are covered by "Michael B" answer.
– crypted
Nov 5 '10 at 4:20
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How to create a checkbox with a clickable label?
...he contents of the LABEL element. In this case, the LABEL may only contain one control element. The label itself may be positioned before or after the associated control.
Using this method has some advantages over for:
No need to assign an id to every checkbox (great!).
No need to use the extra a...
What happens to a detached thread when main() exits?
... to wait for detached threads to finish, and then call exit after the last one finishes.
– Jonathan Wakely
Apr 27 '18 at 11:51
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