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How to merge dictionaries of dictionaries?
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return a
# works
print(merge({1:{"a":"A"},2:{"b":"B"}}, {2:{"c":"C"},3:{"d":"D"}}))
# has conflict
merge({1:{"a":"A"},2:{"b":"B"}}, {1:{"a":"A"},2:{"b":"C"}})
note that this mutates a - the contents of b are added to a (which is also returned). if you want to keep a you could call it like m...
How does `is_base_of` work?
...ted to D* and B*. It's a user defined conversion sequence as described by 13.3.3.1.2 from Host<B, D> to D* and B* respectively. For finding conversion functions that can convert the class, the following candidate functions are synthesized for the first check function according to 13.3.1.5/1
D...
Easy pretty printing of floats in python?
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answered May 3 '18 at 11:37
PlasmaBinturongPlasmaBinturong
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What does the plus sign do in '+new Date'
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dovid
5,70733 gold badges2828 silver badges6161 bronze badges
answered Oct 21 '08 at 11:49
kentaromiurakentaromi...
How do I change the IntelliJ IDEA default JDK?
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283
This setting is changed in the "Default Project Structure..." dialog. Navigate to "File" -> ...
SQL Server : Columns to Rows
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indicatorvalue
for indicatorname in (Indicator1, Indicator2, Indicator3)
) unpiv;
Note, the datatypes of the columns you are unpivoting must be the same so you might have to convert the datatypes prior to applying the unpivot.
You could also use CROSS APPLY with UNION ALL to convert the col...
What's the algorithm to calculate aspect ratio?
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203
I gather you're looking for an usable aspect ratio integer:integer solution like 16:9 rather tha...
How to convert int to char with leading zeros?
...as varchar(5)), 5)
It will get the result in 5 digits, ex: 00001,...., 01234
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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
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Prevent ViewPager from destroying off-screen views
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