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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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Convert List into Comma-Separated String
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In .NET 3.5 and below you have to explicitly convert your list to array with lst.ToArray(), as there is no direct overload there yet.
– Anton
Dec 15 '13 at 11:09
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Why is @font-face throwing a 404 error on woff files?
I'm using @font-face on my company's site and it works/looks great. Except Firefox and Chrome will throw a 404 error on the .woff file. IE does not throw the error. I have the fonts located at the root but I've tried with the fonts in the css folder and even giving the entire url for the font. I...
Optional Parameters with C++ Macros
...e to a bug in the MSVC compiler which they have acknowledged but haven't fixed in nearly a decade. However, workarounds are available.
– BeeOnRope
Nov 22 '17 at 19:45
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Fluent and Query Expression — Is there any benefit(s) of one over other?
...and it saves me tons of time, and lines of code. However, the fluent syntax seems to come much more natural to me than the query expression syntax.
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GroupBy pandas DataFrame and select most common value
...: ['NY','New','Spb','NY']})
source.groupby(['Country','City']).agg(lambda x:x.value_counts().index[0])
In case you are wondering about performing other agg functions in the .agg()
try this.
# Let's add a new col, account
source['account'] = [1,2,3,3]
source.groupby(['Country','City']).agg(mod ...
How to document class attributes in Python? [closed]
...lass attributes, or any sort of attributes, for that matter. What is the expected and supported way, should there be one, to document these attributes? Currently I'm doing this sort of thing:
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Go > operators
Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
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Handling click events on a drawable within an EditText
I have added an image right of the text in an EditText widget, using the following XML:
39 Answers
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