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How do I create a variable number of variables?
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Instead of a dictionary you can also use namedtuple from the collections module, which makes access easier.
For example:
# using dictionary
variables = {}
variables["first"] = 34
variables["second"] = 45
print(variables["first"], variables["second"])
# using namedtuple
Vari...
twitter bootstrap typeahead ajax example
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Starting from Bootstrap 2.1.0:
HTML:
<input type='text' class='ajax-typeahead' data-link='your-json-link' />
Javascript:
$('.ajax-typeahead').typeahead({
source: function(query, process) {
return $.ajax({
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Javascript - sort array based on another array
...also provide a callback here), (3) replace each of the pairs with the item from the itemArray at the index the pair originated from.
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...ght understand. Here is the more technical version.
BCNF acts differently from 3NF only when there are multiple overlapping candidate keys.
The reason is that the functional dependency X -> Y is of course true if Y is a subset of X. So in any table that has only one candidate key and is in 3...
What is the difference between a reference type and value type in c#?
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This is from a post of mine from a different forum, about two years ago. While the language is vb.net (as opposed to C#), the Value Type vs. Reference type concepts are uniform throughout .net, and the examples still hold.
It is al...
How to sort a HashMap in Java [duplicate]
...hoice of name for the class... should be something like SortedMap instead. From the name, I'd think it's not a Map at all but some kind of Tree... the Tree part of TreeMap is really more of an implementation detail that shouldn't concern the user of the class at all.
– ArtOfWar...
Integer division with remainder in JavaScript?
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% works on floats in JavaScript (this differs from many other languages), which is perhaps not desired: 3.5 % 2 evaluates to 1.5. Make sure to handle (parseInt, floor, etc.) as required
– user166390
Nov 19 '10 at 19:09
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Read-only list or unmodifiable list in .NET 4.0
From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ?
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How to increase request timeout in IIS?
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Can this be set from the IIS 7 Manager GUI?
– Triynko
Oct 9 '12 at 8:19
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How do I check if a number evaluates to infinity?
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Accessible from ECMAScript 1
– MohaMad
Jul 27 '17 at 10:16
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