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What is array to pointer decay?
...mp;array)[U])
The last two will give proper sizeof info, while the first one won't since the array argument has decayed to be assigned to the parameter.
1 The constant U should be known at compile-time.
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how to reference a YAML “setting” from elsewhere in the same YAML file?
...ealing with multiple files, you will probably do best to evaluate a standalone YAML-enhancement library, such as one listed here. github.com/dreftymac/dynamic.yaml/blob/master/…
– dreftymac
Aug 24 '16 at 23:16
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How to add url parameters to Django template url tag?
...:
{% url 'panel_person_form' person_id=item.id %}
If you have more than one param, you can change your regex and modify the template using the following:
{% url 'panel_person_form' person_id=item.id group_id=3 %}
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What does .SD stand for in data.table in R
...1 col: y
and operates on them in turn.
While it is operating on either one, it lets you refer to the current sub-data.table by using the nick-name/handle/symbol .SD. That's very handy, as you can access and operate on the columns just as if you were sitting at the command line working with a sin...
NumPy or Pandas: Keeping array type as integer while having a NaN value
... value to represent NaN.
You can also temporarily duplicate the columns: one as you have, with floats; the other one experimental, with ints or strings. Then inserts asserts in every reasonable place checking that the two are in sync. After enough testing you can let go of the floats.
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Replacements for switch statement in Python?
...he functions/lambdas every time in all cases, even if it is only returning one of the results?
– slf
Aug 6 '14 at 19:04
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Two color borders
Client wants two color borders for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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Get and Set a Single Cookie with Node.js HTTP Server
...le cookie with each request made to the nodejs server instance. Can it be done in a few lines of code, without the need to pull in a third party lib?
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JavaScript % (modulo) gives a negative result for negative numbers
... I recommend to add to the answer that to access this function one should use the format (-13).mod(10) instead of -13 % 10. It would be more clear.
– Jp_
Dec 1 '16 at 10:58
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Structs versus classes
I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b .
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