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What are the use cases for selecting CHAR over VARCHAR in SQL?
...ane.
– Gavin Towey
Mar 17 '14 at 17:40
11
@JimMcKeeth yes, that's exactly correct. Since CHAR is...
What is the Haskell response to Node.js?
..., McNettle (an SDN controller written in Haskell) can scale effectively to 40+ cores, reach a thoroughput of over 20 million new requests per second on a single machine, and hence become the fastest of all existing SDN controllers.
Mio has made it into GHC 7.8.1 release. I personally see this as a...
Why aren't python nested functions called closures?
...
403
A closure occurs when a function has access to a local variable from an enclosing scope that h...
What is the difference between sigaction and signal?
...he same.
– bmdhacks
Oct 24 '08 at 0:40
that is good to know. I've only ever seen signal handlers used to close things...
What is DOM Event delegation?
...
answered Nov 6 '09 at 12:40
Ewan ToddEwan Todd
7,0872222 silver badges3333 bronze badges
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Generating an MD5 checksum of a file
... fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5...
Git vs Team Foundation Server [closed]
...best?
– Ben Collins
Oct 6 '11 at 19:40
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what exactly is device pixel ratio?
...ion is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the logical linear resolution
Other devices report different device pixel ratios, including non-integer ones. For e...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
... to say that graph database models are out of date and to use one gives up 40 years of progress. That's like saying using C is giving up all the technological progress we've gone through to get things like Java and C#. That's not true though. C is a tool that is needed for certain tasks. And Java...
Pass a data.frame column name to a function
...
Related: stackoverflow.com/questions/54940237/…
– Tung
Mar 1 '19 at 15:51
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