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Is there any difference between a GUID and a UUID?
...m Resource Name namespace for UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier)."
From the ITU-T Recommendation X.667, ISO/IEC 9834-8:2004 International Standard: "UUIDs are also known as Globally Unique Identifiers (GUIDs), but this term is not used in this Re...
Memory footprint of Haskell data types
...ords, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
now, Int# takes one word, so Int takes 2 in total. Most unboxed types take one word, the exceptions being Int64#, Word64#, and Double# (on a 32-bit machine) which take 2. GHC actually has a cache of small values of type Int...
Hide keyboard when scroll UITableView
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I've been doing iOS dev since for 3 years and I didn't know about this until now... unreal.
– Jacob King
Oct 28 '16 at 10:37
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Looking to understand the iOS UIViewController lifecycle
...view was dismissed, covered or otherwise hidden.
Default does nothing
Now as per Apple when you are implementing this methods you should remember to call super implementation of that specific method.
If you subclass UIViewController, you must call the super implementation of this method, ev...
psycopg2: insert multiple rows with one query
...)
Printing the insert_query outputs
insert into t (a, b) values %s,%s
Now to the usual Psycopg arguments substitution
cursor.execute(insert_query, data)
Or just testing what will be sent to the server
print (cursor.mogrify(insert_query, data).decode('utf8'))
Output:
insert into t (a, b) ...
Are GUID collisions possible?
...s the app it's tied to. Somehow, two users ended up with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision still possible?
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Stop and Start a service via batch or cmd file?
...r cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
... not to gg) because j will not be expanded for the non-recursive mapping.
Now remember that Vim is a modal editor. It has a normal mode, visual mode and other modes.
For each of these sets of mappings, there is a mapping that works in normal, visual, select and operator modes (:map and :noremap), ...
Python 3 turn range to a list
... to "convert". You're right about it not being a cast... I don't really know what to call it exactly.
– mgilson
Jul 14 '12 at 1:21
2
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Most underused data visualization [closed]
...to plot 3D scatter plots using rgl.
GGobi
Another package that is worth knowing is rggobi. There is a Springer book on the subject, and lots of great documentation/examples online, including at the "Looking at Data" course.
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