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Count the number occurrences of a character in a string
...ould override the mutator and accessor methods by subclassing defaultdict (base class' ones are read-only):
class CICounter(defaultdict):
def __getitem__(self, k):
return super().__getitem__(k.lower())
def __setitem__(self, k, v):
super().__setitem__(k.lower(), v)
chars =...
How do I override __getattr__ in Python without breaking the default behavior?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to use the C socket API in C++ on z/OS
...me purpose. Which is not surprising, since probably IBM used the same code base for socket support in both products. I did not intend to say that z/VM documentation applies to z/OS, it's just the most similar case I found.
– Fabio Ceconello
Jun 6 '09 at 0:09
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What exactly is a C pointer if not a memory address?
... emulate a 32-bit machine on a physical 16-bit machine and you extend your 64KB of RAM to up to 4GB by using disk storage and implement 32-bit pointers as offsets into a huge file. Those pointers aren't real memory addresses.
– Alexey Frunze
Mar 1 '13 at 9:20
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What's a correct and good way to implement __hash__()?
...ckoverflow.com/questions/3613102/…. 101 seems to work particularly well, based on Paul Larson's experiments.
– George V. Reilly
May 9 '13 at 21:05
4
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The model backing the context has changed since the database was created
...ected override void OnModelCreating(DbModelBuilder modelBuilder)
{
Database.SetInitializer<YourDbContext>(null);
base.OnModelCreating(modelBuilder);
}
in your YourDbContext.cs file.
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RuntimeError on windows trying python multiprocessing
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I swap positions of two open files (in splits) in vim?
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Also based on sgriffin's solution, go to the window you want to swap, press CTRL-w m, go to the window you want to swap with and press CTRL-w m again.
CTRL-w m is a poor mnemonic choice, so if anybody comes up with a better one, ...
NSNotificationCenter addObserver in Swift
...er to un-register itself when being
deallocated. more info
For a block based implementation you need to do a weak-strong dance if you want to use self inside the block. more info
Block based observers need to be removed more info
let center = NSNotificationCenter.defaultCenter()
center.removeO...
What breaking changes are introduced in C++11?
...ntifier in the last part of the qualifier in the qualified name denoting a base class, that using declaration now names the constructor, instead of members with that name.
Example:
struct A { protected: int B; };
typedef A B;
struct C : B {
// inheriting constructor, instead of bringing A::B i...