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How to create module-wide variables in Python? [duplicate]
...ticular scope. (If you make a variable inside the Python interpreter, and then import other modules, your variable is in the outermost scope and thus global within your Python session.)
All you have to do to make a module-global variable is just assign to a name.
Imagine a file called foo.py, con...
Accessing Imap in C# [closed]
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why do people go and write great things like this and then include basically no documentation? I don't understand
– Simon_Weaver
Jul 4 '14 at 23:04
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Howto: Clean a mysql InnoDB storage engine?
...ose you were to add innodb_file_per_table to /etc/my.cnf (my.ini). Can you then just run OPTIMIZE TABLE on all the InnoDB Tables?
Good News : When you run OPTIMIZE TABLE with innodb_file_per_table enabled, this will produce a .ibd file for that table. For example, if you have table mydb.mytable wi...
What is the difference between HAVING and WHERE in SQL?
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Number one difference for me: if HAVING was removed from the SQL language then life would go on more or less as before. Certainly, a minority queries would need to be rewritten using a derived table, CTE, etc but they would arguably be easier to understand and maintain as a result. Maybe vendors' o...
What does the `forall` keyword in Haskell/GHC do?
...if you want to refer to the same b (and not have it implicitly quantified) then you need to write the explicitly quantified version. Otherwise, STV would be an extremely intrusive extension.
– nominolo
Jun 19 '10 at 21:39
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Android ListView with different layouts for each row
... - returns information which layout type you should use based on position
Then you inflate layout only if it's null and determine type using getItemViewType.
Look at this tutorial for further information.
To achieve some optimizations in structure that you've described in comment I would suggest:...
Python (and Python C API): __new__ versus __init__
...uire a bunch of boilerplate to get right (the initial object creation, and then remembering to return the object at the end). __init__ methods, by contrast, are dead simple, since you just set whatever attributes you need to set.
Aside from __init__ methods being easier to write, and the mutable vs...
Understanding implicit in Scala
...tring)
def addPrefix(s: String)(implicit p: Prefixer) = p.prefix + s
// then probably in your application
implicit val myImplicitPrefixer = new Prefixer("***")
addPrefix("abc") // returns "***abc"
Implicit conversions
When the compiler finds an expression of the wrong type for the context, it...
Where should I put tags in HTML markup?
...ripts with the defer attribute are executed in order (i.e. first script 1, then script 2). This also does not block the browser.
Unlike async scripts, defer scripts are only executed after the entire document has been loaded.
According to http://caniuse.com/#feat=script-defer, 97.79% of all browse...
When to use the different log levels
...e build. Yeah, I know that shouldn't happen in good code, but better safe then sorry.
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