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How to “perfectly” override a dict?
...or other builtins) directly. It often makes no sense, because what you actually want to do is implement the interface of a dict. And that is exactly what ABCs are for.
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Convert a character digit to the corresponding integer in C
...ly atoi() is fine, and what I said about it earlier only applies to me (on OS X (maybe (insert Lisp joke here))). I have heard it is a macro that maps roughly to the next example, which uses strtol(), a more general-purpose function, to do the conversion instead:
char *num = "1024";
int val = (int)...
relative path in BAT script
...
Actually this resolves to something like C:\myDir\\bin\Iris.exe (note the double-backslash). This still works but leaving away the backslash before bin seems to be "cleaner"? --> %~dp0bin\Iris.exe.
– mozz...
What are the benefits of learning Vim? [closed]
...years, more or less. If there's something I've never gotten used to during all this time, it's these annoying and almost unconscious constant micro-interruptions I experience while coding, due to some of the most common code editing tasks. Things like a simple copy & paste from a different line (or ...
Get exception description and stack trace which caused an exception, all as a string
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See the traceback module, specifically the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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Bidirectional 1 to 1 Dictionary in C#
...turn firstToSecond.Count; }
}
/// <summary>
/// Removes all items from the dictionary.
/// </summary>
public void Clear()
{
firstToSecond.Clear();
secondToFirst.Clear();
}
}
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When should I use std::thread::detach?
... completes. This is easy to understand, but what's the difference between calling detach() and not calling it?
5 Answers
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How to serialize SqlAlchemy result to JSON?
...ps(e, cls=new_alchemy_encoder(), check_circular=False)
This would encode all children, and all their children, and all their children... Potentially encode your entire database, basically. When it reaches something its encoded before, it will encode it as 'None'.
A recursive, possibly-circular, s...
MyISAM versus InnoDB [closed]
...able so you can conclude whether to go with InnoDB or MyISAM.
Here is a small overview of which db storage engine you should use in which situation:
MyISAM InnoDB
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Required full-text...
What is the difference between exit() and abort()?
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abort() exits your program without calling functions registered using atexit() first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. So
A a;
void test() ...