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Good Hash Function for Strings
I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one?
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PostgreSQL: How to make “case-insensitive” query
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ChanduChandu
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How can I use numpy.correlate to do autocorrelation?
...convolve gives more detail on the modes.
For your second question, I think numpy.correlate is giving you the autocorrelation, it is just giving you a little more as well. The autocorrelation is used to find how similar a signal, or function, is to itself at a certain time difference. At a time dif...
Enum “Inheritance”
I have an enum in a low level namespace. I'd like to provide a class or enum in a mid level namespace that "inherits" the low level enum.
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How does Duff's device work?
I've read the article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
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How to get notified about changes of the history via history.pushState?
...e careful with it, but Firefox seems to be nice in this case. This code works just fine:
(function(history){
var pushState = history.pushState;
history.pushState = function(state) {
if (typeof history.onpushstate == "function") {
history.onpushstate({state: state});
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Add a new item to a dictionary in Python [duplicate]
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Chris EberleChris Eberle
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Select distinct using linq [duplicate]
...rp.First())
.ToList();
But one is often better off working with the IEnumerable rather than IList as the Linq above is lazily evaluated: it doesn't actually do all of the work until the enumerable is iterated. When you call ToList it actually walks the entire enumerable forcing ...
How to trigger a phone call when clicking a link in a web page on mobile phone
... still haven't figured out: how can I trigger a phone call through the click of text?
6 Answers
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How to find if a native DLL file is compiled as x64 or x86?
... Debug information stripped
DLL
'find' can make life slightly easier:
dumpbin /headers cv210.dll |find "machine"
8664 machine (x64)
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