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What is the difference between Strategy design pattern and State design pattern?
... @Noor, yes, but in any strategy pattern I can think of right now, it will be an up front decision that won't change in the middle.
– Yishai
Mar 8 '13 at 14:22
2
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Heroku Postgres - terminate hung query (idle in transaction)
...d, pg_cancel_backend(pid) FROM pg_stat_activity WHERE state != 'idle' AND (now() - query_start) > interval '5 minutes';
– A.F.N
Nov 16 '19 at 7:43
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Why are unsigned int's not CLS compliant?
...ion of the designers of VB7/7.1 not to implement as well (it's implemented now in VB8).
To quote:
http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx
The CLS was designed to be large enough to include the language
constructs that are commonly needed by developers, yet small enough
that most langu...
How to start two threads at “exactly” the same time
...he gate.
// Since we gave "3" as the argument, gate is not opened yet.
// Now if we block on the gate from the main thread, it will open
// and all threads will start to do stuff!
gate.await();
System.out.println("all threads started");
This doesn't have to be a CyclicBarrier, you could also use...
Why is \r a newline for Vim?
...\n to mean \n, so you use \r.
So you can't use \r to mean \r, but I don't know who would want to add that char on purpose.
—☈
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TypeScript with KnockoutJS
...ld conform to a particular type. When you say x = 'hello' in JS, we don't know if you intended somewhere later in your code to say x = 34. Hance we can infer nothing about the type of x.
– Sten L
Oct 6 '12 at 12:57
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Should I hash the password before sending it to the server side?
... should be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by the user. In an ideal world this text should immed...
How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...(*this); // make a copy for result
++(*this); // Now use the prefix version to do the work
return result; // return the copy (the old) value.
}
};
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How many threads is too many?
...ronment for tuning. It's okay to get an estimate beforehand but you never know what production will throw your way (which is why all these things should be configurable at runtime). This is to catch a situation such as unexpected doubling of the client calls coming in.
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Difference between SelectedItem, SelectedValue and SelectedValuePath
...verlight? I don't believe I'm talking to you. :-)... I'm reading this book nowadays. Really an awesome work. :-)
– Nawaz
Feb 4 '11 at 20:14
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