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What column type/length should I use for storing a Bcrypt hashed password in a Database?
... (among other things). In .NET this can be overcome by using String.Equals(fromDataBaseBinary60string, typicalishString, StringComparison.InvariantCulture)
– JHubbard80
Feb 6 '12 at 1:50
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Preloading images with jQuery
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From my experience, preloading an image into the DOM makes the browser aware of its existence and for it to be properly cached. Otherwise, the image only exists in memory which only works for single page apps.
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Random alpha-numeric string in JavaScript? [duplicate]
...ch. I tried using it, and it seems to have some problems. As you can see from THIS screenshot, it sometimes generates strings that aren't the specified length. I put your randomString(..) function in a for(var i=0;i<50;i++){} loop that generated 50 random strings, and the last one is three cha...
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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