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Concatenating two one-dimensional NumPy arrays
...ser391339, what if you wanted to concatenate three arrays? The function is more useful in taking a sequence then if it just took two arrays.
– Winston Ewert
Jul 12 '16 at 17:13
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What is a “feature flag”?
...Fowler also has a much longer article than the one linked above with a lot more details.
This post (on Fowler's site also) explains the various types of toggle strategies. DevCookie supports the mainline/trunk-based strategy and is called a "Release Toggle" in the article.
Adil's answer highlight...
Getting the class name of an instance?
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PostgreSQL Crosstab Query
...list anyway (except for pre-defined crosstabN() variants), it is typically more efficient to provide a short list in a VALUES expression like demonstrated:
$$VALUES ('Active'::text), ('Inactive')$$)
Or (not in the manual):
$$SELECT unnest('{Active,Inactive}'::text[])$$ -- short syntax for long ...
Restart node upon changing a file
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Node-supervisor isn't maintained any more.
– aleung
Jun 6 '15 at 9:05
Works like...
Is functional GUI programming possible? [closed]
...o have fairly prominent bindings.
There are several moderately mature, or more experimental purely functional/declarative approaches to GUIs, mostly in Haskell, and primarily using functional reactive programming.
Some examples are:
reflex-platform, https://github.com/reflex-frp/reflex-platform
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Spring @Autowired usage
...mostly spring does. We don't even make public setters for dependencies any more (So you could argue that we're +1 in the encapsulation/information hiding department) We still have some xml in our system, but the xml basically only contains the anomalies. Full autowiring integrates nicely with xml.
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Abort makefile if variable not set
...rror MY_FLAG is not set)
endif
Note that the lines must not be indented. More precisely, no tabs must precede these lines.
Generic solution
In case you're going to test many variables, it's worth defining an auxiliary function for that:
# Check that given variables are set and all have non-em...
MySQL Insert into multiple tables? (Database normalization?)
...n. That's why I used the BEGIN and COMMIT here.
Comment again if you need more info :)
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Do the JSON keys have to be surrounded by quotes?
...ructure is represented as a pair of curly brackets
surrounding zero or more name/value pairs (or members). A name is a
string. A single colon comes after each name, separating the name
from the value. A single comma separates a value from a following
name. The names within an obj...