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C state-machine design [closed]
...omething different and set current_state */
break;
/* ... etc ... */
}
}
I would use this when the state machine is simple enough that the function pointer & state transition table approach is overkill. This is often useful for character-by-character or word-by-word parsi...
How to apply a Git patch to a file with a different name and path?
...steps for each patch file.
This will preserve the original commit message etc. without requiring any special git format-patch command or editing the patch files.
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
... add_index :old_table_name, :column_name
end
end
And rename your files etc, manually as other answers here describe.
See: http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
Make sure you can rollback and roll forward after you write this migration. It can get tricky if you get some...
Hg: How to do a rebase like git's rebase
...g history, even cset parentage, but certainly CollapseExtension, HistEdit, etc. violate that. It's totally a matter of personal choice.
– Ry4an Brase
Apr 20 '10 at 13:46
15
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
...sp), Scheme has some modern implementations (Racket, Chicken, Chez Scheme, etc.), and Clojure was created relatively recently
Common Lisp has a built-in OO system, though it's quite different from other OO systems you might have used. Notably, it is not enforced--you don't have to write OO code.
The...
Wrap a delegate in an IEqualityComparer
...e hashing behind the scenes (e.g., LINQ's GroupBy, Distinct, Except, Join, etc) and the MS contract regarding hashing is broken in this implementation. Here's MS's documentation excerpt: "Implementations are required to ensure that if the Equals method returns true for two objects x and y, then the ...
How do pointer to pointers work in C?
...like the lockless name lookup, but simply good use of pointers-to-pointers etc.
For example, I've seen too many people who delete a singly-linked list entry by keeping track of the "prev" entry, and then to delete the entry, doing something like:
if (prev)
prev->next = entry->next;
...
const vs constexpr on variables
...you want to be able to initialize it with a computation done at run time? Etc.
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Make git automatically remove trailing whitespace before committing
...m and would like to remove whitespace changes from my diffs, logs, merges, etc. I'm assuming that the easiest way to do this would be for git to automatically remove trailing whitespace (and other whitespace errors) from all commits as they are applied.
...
How to send POST request in JSON using HTTPClient in Android?
...ar or if I have not touched on something that your still confused about... etc whatever pops in your head really.
(I will take down if Justin Grammens does not approve. But if not then thanks Justin for being cool about it.)
Update
I just happend to get a comment about how to use the code and ...