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“static const” vs “#define” vs “enum”

...sion for static arrays at function scope; both (2) and (3) can. Under C99, all of these can be used for local arrays. Technically, using (1) would imply the use of a VLA (variable-length array), though the dimension referenced by 'var' would of course be fixed at size 5. (1) cannot be used in place...
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Print multiple arguments in Python

...or", name, "is", score) If you don't want spaces to be inserted automatically by print in the above example, change the sep parameter: print("Total score for ", name, " is ", score, sep='') If you're using Python 2, won't be able to use the last two because print isn't a function in Python 2. Y...
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List of foreign keys and the tables they reference

...key is described in the columns r_owner and r_constraint_name of the table ALL_CONSTRAINTS. This will give you the info you want: SELECT a.table_name, a.column_name, a.constraint_name, c.owner, -- referenced pk c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk FROM...
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Does C# have extension properties?

....0 have seen this as proposal champion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start. But it will ... There is an extension members item in the C# 7 work list so it may be supported in the near future. The curr...
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Getting started with Haskell

... of info about them from google, the haskell wikibook, the haskellwiki.org site and ghc documentation. Multiparameter type classes/functional dependencies Type families Existentially quantified types Phantom types GADTS others... A lot of Haskell is based around category theory, so you may want to...
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How to check if AlarmManager already has an alarm set?

...nother issue that was causing my problem. The intent I mentioned above actually does work :) – toc777 Apr 12 '12 at 12:25 42 ...
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How to model type-safe enum types?

...ample above) does not offer exhaustive pattern matching. I have researched all the different enumeration patterns currently being used in Scala and give and overview of them in this StackOverflow answer (including a new pattern which offers the best of both scala.Enumeration and the "sealed trait +...
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Why does running the Flask dev server run itself twice?

...g is the library that supplies Flask with the development server when you call app.run(). See the restart_with_reloader() function code; your script is run again with subprocess.call(). If you set use_reloader to False you'll see the behaviour go away, but then you also lose the reloading function...
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mongo group query how to keep fields

...are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB. ...
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Python circular importing?

... of it) for the first time, the code inside the module is executed sequentially like any other code; e.g., it is not treated any differently that the body of a function. An import is just a command like any other (assignment, a function call, def, class). Assuming your imports occur at the top of th...