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Maximum single-sell profit
...t this runs in O(n lg n) time and will use O(lg n) space for the recursive calls. We've just beaten the naive O(n2) solution!
But wait! We can do much better than this. Notice that the only reason we have an O(n) term in our recurrence is that we had to scan the entire input trying to find the m...
How do malloc() and free() work?
...loc looks at when a new chunk of memory is needed. It is scanned before it calls for new memory from the OS. When a chunk is found that is bigger than the needed memory, it is divided into two parts. One is returned to caller, the other is put back into the free list.
There are many different optim...
Is there YAML syntax for sharing part of a list or map?
...
spoon: b
knife: c
cup: 1
mug: 2
glass: 3
More formally, after calling the YAML parser to get native objects from a config file, but before passing the objects to the rest of the application, my application will walk the object graph looking for mappings containing the single key MERGE. ...
Why do we need a pure virtual destructor in C++?
...s foof : public foo {
void bar() { foo::bar(); } // have to explicitly call default implementation.
};
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Changing iframe src with Javascript
...bably because you are using the wrong brackets here:
document.getElementById['calendar'].src = loc;
should be
document.getElementById('calendar').src = loc;
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converting a .net Func to a .net Expression
Going from a lambda to an Expression is easy using a method call...
9 Answers
9
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How to use HttpWebRequest (.NET) asynchronously?
...equest;
void StartWebRequest()
{
webRequest.BeginGetResponse(new AsyncCallback(FinishWebRequest), null);
}
void FinishWebRequest(IAsyncResult result)
{
webRequest.EndGetResponse(result);
}
The callback function is called when the asynchronous operation is complete. You need to at least c...
How do I auto-hide placeholder text upon focus using css or jquery?
...e this functionality when the field is disabled here is the CSS code: /* Hiding the placeholder text (if any), when the holding field is disabled */ input:disabled::-webkit-input-placeholder { color:transparent; } input:disabled:-moz-placeholder { color:transparent; } input:disabled::-moz-placehold...
Can a recursive function be inline?
...ctorial(x3 - 1);
}
}
}
}
In this case, we've basically inlined the function 3 times. Some compilers do perform this optimization. I recall MSVC++ having a setting to tune the level of inlining that would be performed on recursive functions (up to 20, I believe).
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CSS3 background image transition
... See also for current development in Fx: bugzilla.mozilla.org/show_bug.cgi?id=546052
– Volker E.
Oct 28 '14 at 18:14
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