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What is the function of the push / pop instructions used on registers in x86 assembly?
...
Also, local variables spilled from regs will typically still be hot in L1 cache if any of them are actually being used. But reading from a register is effectively free, zero latency. So it's infinitely faster than L1 cache, depending on how you want to ...
How to position text over an image in css
...nsive practices as you're fixing the size of the container (the answer was from 2012 so its understandably out of date). A much better solution can be found here: stackoverflow.com/questions/43333495/text-over-image-responsive
– Sk446
Jul 15 '18 at 12:17
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Difference between .on('click') vs .click()
...ctor. I think that 1 handler would be created, but that the overhead comes from binding this handler to multiple elements and monitoring all these elements. At least, I didn't find this in the documentation.
– html_programmer
Jun 3 '14 at 14:36
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What are all the uses of an underscore in Scala?
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Example showing why foo(_) and foo _ are different:
This example comes from 0__:
trait PlaceholderExample {
def process[A](f: A => Unit)
val set: Set[_ => Unit]
set.foreach(process _) // Error
set.foreach(process(_)) // No Error
}
In the first case, process _ represents a met...
AttributeError: 'module' object has no attribute 'urlopen'
... 2+3 compatible solution is:
import sys
if sys.version_info[0] == 3:
from urllib.request import urlopen
else:
# Not Python 3 - today, it is most likely to be Python 2
# But note that this might need an update when Python 4
# might be around one day
from urllib import urlopen
...
How do I find the MySQL my.cnf location
... Run mysql --help and you will see Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf /usr/local/etc/my.cnf ~/.my.cnf
– Hanxue
Dec 16 '15 at 3:44
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How to plot two histograms together in R?
... new column in each that will be
# a variable to identify where they came from later.
carrots$veg <- 'carrot'
cukes$veg <- 'cuke'
# and combine into your new data frame vegLengths
vegLengths <- rbind(carrots, cukes)
After that, which is unnecessary if your data is in long format already...
Linq to EntityFramework DateTime
...as the EntityFunctions solution. Here, the second operand is not retrieved from another entity in query and can be computed prior to querying. If both operand were to be found in db, the EntityFunctions solution would still be suitable while the solution of this response would not work anymore.
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Small Haskell program compiled with GHC into huge binary
...ibm.so.6 => /lib/libm.so.6 (0x00007fb21e706000)
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You see from the ldd output that GHC has produced a dynamically linked executable, but only the C libraries are dynamically linked! All the Haskell libraries are copied in verbatim.
Aside: since this is a graphics-intensive app, I'd...
Explain Python entry points?
...d I wanted it to make available a "cursive" command that someone could run from the command line, like:
$ cursive --help
usage: cursive ...
The way to do this is define a function, like maybe a "cursive_command" function in cursive/tools/cmd.py that looks like:
def cursive_command():
args = ...