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How to join two sets in one line without using “|”
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If by join you mean union, try this:
set(list(s) + list(t))
It's a bit of a hack, but I can't think of a better one liner to do it.
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How can I reliably get an object's address when operator& is overloaded?
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Let us first copy the code from Boost, minus the compiler work around bits:
template<class T>
struct addr_impl_ref
{
T & v_;
inline addr_impl_ref( T & v ): v_( v ) {}
inline operator T& () const { return v_; }
private:
addr_impl_ref & operator=(const addr_impl_r...
Algorithm to calculate the number of divisors of a given number
... it is not tractable for enormous numbers. For moderately sized N, even 64-bit numbers, it is easy; for enormous N, the factoring problem can take "forever". Public key encryption depends on this.
Question #2 needs more discussion. If L contains only unique numbers, it is a simple calculation using ...
Find all packages installed with easy_install/pip?
...pip-installer.org/en/latest/usage.html#pip-list
– keybits
May 26 '13 at 12:13
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What are the drawbacks of Stackless Python? [closed]
...ptimizations and even more and better ones, which makes Stackless a little bit slower, as expected.
On inclusion: well, in the beginning I was very pushy and convinced that Stackless is the way to go. Later, when it was almost possible to get included, I lost interest in that and preferred to let
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Is there a WebSocket client implemented for Python? [closed]
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Since I have been doing a bit of research in that field lately (Jan, '12), the most promising client is actually : WebSocket for Python. It support a normal socket that you can call like this :
ws = EchoClient('http://localhost:9000/ws')
The client...
jQuery find events handlers registered with an object
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This is the correct answer. The crucial bit is the second half. This helped me find an issue in under a minute that would have taken over an hour if I had to search through all the code. Thank you!
– Andrew Ensley
Dec 29 '10...
Starting python debugger automatically on error
...ling this behavior: %pdb. It does exactly what you described, maybe even a bit more (giving you more informative backtraces with syntax highlighting and code completion). It's definitely worth a try!
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How to synchronize a static variable among threads running different instances of a class in Java?
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The reason #3 is the best is that any random bit of code could synchronize on Test.class and potentially spoil your day. Also, class initialization runs with a lock on the class held, so if you've got crazy class initializers you can give yourself headaches. volatile ...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
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