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Asterisk in function call
...ists into several list arguments.
As Jochen Ritzel has pointed out in the comments, chain.from_iterable() is better-suited for this operation, as it assumes a single iterable of iterables to begin with. Your code then becomes simply:
uniqueCrossTabs = list(itertools.chain.from_iterable(uniqueCross...
How do I use JDK 7 on Mac OSX?
...se the WatchService API as mentioned in this link:
http://download.oracle.com/javase/tutorial/essential/io/notification.html
...
MongoDB with redis
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Redis and MongoDB can be used together with good results. A company well-known for running MongoDB and Redis (along with MySQL and Sphinx) is Craiglist. See this presentation from Jeremy Zawodny.
MongoDB is interesting for persistent, document oriented, data indexed in various ways. ...
Django set default form values
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Commenting here to mention another usecase where this solution of initial param will help: While sending a registration link to someone if you want to prepopulate the email/id or any other credential on the registration form ...
What's the status of multicore programming in Haskell?
...n article in the Economist magazine, Jun 2nd 2011.
Parallel tree scans via composition, an article by Conal Elliott
Numeric Haskell, a tutorial on parallel array programming with Repa, released
Works has begun on extending GHC eventlog and Threadscope to support multi-process or distributed Haskell ...
How to get std::vector pointer to the raw data?
....begin() gives you the address of the iterator returned by begin() (as the compiler warns, this is not technically allowed because something.begin() is an rvalue expression, so its address cannot be taken).
Assuming the container has at least one element in it, you need to get the address of the in...
Why is conversion from string constant to 'char*' valid in C but invalid in C++
...ved, so code that depends on it (like your first example) should no longer compile.
You've noted one way to allow the code to compile: although the implicit conversion has been removed, an explicit conversion still works, so you can add a cast. I would not, however, consider this "fixing" the code....
How to merge a list of lists with same type of items to a single list of items?
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C++ where to initialize static const
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Anywhere in one compilation unit (usually a .cpp file) would do:
foo.h
class foo {
static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral typ...
Boolean vs tinyint(1) for boolean values in MySQL
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