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How to calculate moving average without keeping the count and data-total?
...d a way to calculate a moving cumulative average without storing the count and total data that is received so far.
8 Answer...
CSS vertical alignment text inside li
I am displaying number of boxes in a row with fix height and width, generated from tags.
now I need to align the text in the vertical center.
The CSS vertical-align has no impact, maybe I am missing something???
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When should null values of Boolean be used?
Java boolean allows values of true and false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as
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pip installing in global site-packages instead of virtualenv
...r instead of the one in the virtualenv folder. Here's how I set up Python3 and virtualenv on OS X Mavericks (10.9.1):
30 An...
Chrome ignores autocomplete=“off”
...erience, Chrome only autocompletes the first <input type="password"> and the previous <input>. So I've added:
<input style="display:none">
<input type="password" style="display:none">
To the top of the <form> and the case was resolved.
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Why were pandas merges in python faster than data.table merges in R in 2012?
I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis).
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Binary Data in JSON String. Something better than Base64
...this is only a 7% improvement over base64, it's more expensive to compute, and implementations are less common than for base64 so it's probably not a win.
You could also simply map every input byte to the corresponding character in U+0000-U+00FF, then do the minimum encoding required by the JSON st...
How to write the Fibonacci Sequence?
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There is lots of information about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need.
Write Fib sequence formula to infinite
In math, it's given in a recurs...
How to dynamically change header based on AngularJS partial view?
I am using ng-view to include AngularJS partial views, and I want to update the page title and h1 header tags based on the included view. These are out of scope of the partial view controllers though, and so I can't figure out how to bind them to data set in the controllers.
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How is null + true a string?
...where op is an overloadable binary operator, x is an expression of type X, and y is an expression of type Y, is processed as follows:
The set of candidate user-defined operators provided by X and Y for the operation operator op(x, y) is determined. The set consists of the union of the candid...