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Simple and fast method to compare images for similarity
...h the previous two.
Detectors of salient points/areas - such as MSER (Maximally Stable Extremal Regions), SURF or SIFT. These are very robust algorithms and they might be too complicated for your simple task. Good thing is that you do not have to have an exact area with only one icon, these detector...
Side-by-side plots with ggplot2
...wilke below and this vignette for an equivalent approach; but the function allows finer controls on plot location and size, based on this vignette.
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how do I strip white space when grabbing text with jQuery?
...in js:
var emailAdd = $(this).text().replace(/ /g,'');
That will remove all the spaces
If you want to remove the leading and trailing whitespace only, use the jQuery $.trim method :
var emailAdd = $.trim($(this).text());
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
...e interesting parts:
Strict Mode is a new feature in ECMAScript 5 that allows you to place a program, or a function, in a "strict" operating context. This strict context prevents certain actions from being taken and throws more exceptions.
And:
Strict mode helps out in a couple ways:
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How should I cast in VB.NET?
Are all of these equal? Under what circumstances should I choose each over the others?
7 Answers
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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
...y adapter object via something like myListData.get(position) i can simply call the adapter like adapter.get(position).
The same goes for getItemId. Usually I would use this method when I want to execute some task based on the unique ID of an object in the list. This is especially useful when workin...
How does lombok work?
...c. However, the vast majority of VMs out there, if they ship a compiler at all, are one of those two. For example, the Apple VM ships with stock sun javac, and as such lombok works just fine on macs. Same goes for the soylatte VM, for example.
While for javac we really do have to stick with their u...
How to recursively delete an entire directory with PowerShell 2.0?
What is the simplest way to forcefully delete a directory and all its subdirectories in PowerShell? I am using PowerShell V2 in Windows 7.
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Update all objects in a collection using LINQ
...pose; rather, it's used to iterate over the elements of the collection and allow access to a property so that it can be updated. The only question in my mind would be whether or not the foreach loop could benefit from parallelism using Parallel.ForEach, but that's a different question.
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Map a network drive to be used by a service
...ve mappings are only restored on an interactive logon, which services typically don't perform.
The helper process approach can be pretty simple: just create a new service that maps the drive and starts the 'real' service. The only things that are not entirely trivial about this are:
The helper se...