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Instance variables vs. class variables in Python
...else it's code created by an aberrant programmer wanting to show off they know some obscure corner of Python programming.
Alex mentions in his reply that access will be (a little bit) faster due to one less level of lookup... let me further clarify for those who don't know about how this works yet....
PowerShell: Store Entire Text File Contents in Variable
...ing blank line that may or may not exist) in a variable. I'd also like to know the total number of lines in the text file. What's the most efficient way to do this?
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What is “lifting” in Scala?
...Stream[A]]. This can be converted to the monad transformer StreamT[IO, A]. Now you may wish to "lift" some other value an IO[B] perhaps to that it is also a StreamT. You could either write this:
StreamT.fromStream(iob map (b => Stream(b)))
Or this:
iob.liftM[StreamT]
this begs the question:...
Split a module across several files
...threw out namespacing. Changing one file in a way unrelated to another can now break other files. Your use of 'use' becomes leaky (ie everything is like use super::*). You can't hide code from other files (which is important for unsafe-using safe abstractions)
– Demur Rumed
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Shrink a YouTube video to responsive width
...the same dimensions but for whatever reason the CSS in the accepted answer now letterboxes all our videos. Black bands across top and bottom.
I've tickered around with the sizes and settled on getting rid of the top padding and changing the bottom padding to 56.45%. Seems to look good.
.videowra...
kernel stack and user space stack
...tware RAID code being interrupted by network code with iptables active is known to trigger such in untuned older kernels ... solution is to increase kernel stack sizes for such workloads).
Does each process have its own kernel stack ?
Not just each process - each thread has its own kerne...
How do you detect Credit card type based on number?
...to detect the type of credit card based purely on its number. Does anyone know of a definitive, reliable way to find this?
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How to add a custom right-click menu to a webpage?
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@Shashwat You know place, where user has clicked, and you don't have original menu. Create a container in that place and display your menu there.
– Radek Benkel
Sep 18 '12 at 14:32
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Floating elements within a div, floats outside of div. Why?
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It works, but now I'm twice as confused: is there an explanation for this or is this just how it is?
– DavidR
Jan 14 '10 at 5:02
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application/x-www-form-urlencoded or multipart/form-data?
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READ AT LEAST THE FIRST PARA HERE!
I know this is 3 years too late, but Matt's (accepted) answer is incomplete and will eventually get you into trouble. The key here is that, if you choose to use multipart/form-data, the boundary must not appear in the file data ...
