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How to automatically crop and center an image
...you need to know about the image is whether it is portrait or landscape in order to set the .portrait class so I had to use a bit of Javascript for this part.
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Why are elementwise additions much faster in separate loops than in a combined loop?
...auses false aliasing stalls in the processor load/store units.
However, in order for false aliasing to occur, there must be a large enough stride between the datasets. This is why you don't see this in region 3.
Region 5:
At this point, nothing fits in the cache. So you're bound by memory bandwidth....
HTML5 Pre-resize images before uploading
...canvas.toDataURL("image/jpeg", 0.5) to make sure the quality is brought in order to decrease the file size. I came across this comment on the mozilla blog post and saw the bug resolution here bugzilla.mozilla.org/show_bug.cgi?id=564388
– sbose
Jan 15 '13 at 10:...
How to flip background image using CSS?
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How to detect if a script is being sourced
...ipt or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...how to map in web.xml?
@WebServlet works only on Servlet 3.0 or newer
In order to use @WebServlet, you only need to make sure that your web.xml file, if any (it's optional since Servlet 3.0), is declared conform Servlet 3.0+ version and thus not conform e.g. 2.5 version or lower. Below is a Servle...
Difference between Python's Generators and Iterators
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Higher-order functions passing around generators or generator functions may sound weird, but for me they have been coming up. I'm working in Apache Spark and it enforces a very functional programming style. The functions have to cre...
What's the $unwind operator in MongoDB?
...g and obtaining the data from your storage locations.
That being said, in order to understand the concept behind the $unwind parameter, you first must understand what the use case that you are trying to quote is saying. The example document from mongodb.org is as follows:
{
title : "this is my ti...
ASP.NET MVC 3 - Partial vs Display Template vs Editor Template
...en using EditorFor and DropDownListFor to render fields and drop downs. In order to get the ids and names unique we had to render the fields with a prefix depending on the parent partial view that was rendering it:
<div id="div-@(idPrefix)2" class="toHide-@(idPrefix)" style="display:none">...
What's the best way to unit test protected & private methods in Ruby?
...de, or the given
block, within the context of the receiver (obj). In order to set
the context, the variable self is set to obj while the code is
executing, giving the code access to obj's instance variables. In
the version of instance_eval that takes a String, the optional
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