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What's the best way of scraping data from a website? [closed]
...nd what data formats make up the responses.
You will need a good working knowledge of HTTP as well as HTML and will probably want to find a decent piece of man in the middle proxy software. You will need to be able to inspect HTTP requests and responses and understand how the cookies and session in...
How do I convert a Ruby class name to a underscore-delimited symbol?
...ut you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to install ActiveSupport just for that, you can monkey-patch underscore into String yourself (the underscore function is defined in ActiveSupport::Inflector):
class String
def underscore
word = self.d...
Do I cast the result of malloc?
....
It adds clutter to the code, casts are not very easy to read (especially if the pointer type is long).
It makes you repeat yourself, which is generally bad.
It can hide an error if you forgot to include <stdlib.h>. This can cause crashes (or, worse, not cause a crash until way later in some ...
YouTube Video Embedded via iframe Ignoring z-index?
...ost), appending just ?wmode=transparent as a new query string to the URL.
Now, regardless of what may or may not be on the end of the YouTube URL as a query string already, it gets preserved, and the required wmode parameters get injected or added without damage to what was there before.
Here's th...
“open/close” SqlConnection or keep open?
...
Disclaimer: I know this is old, but I found an easy way to demonstrate this fact, so I'm putting in my two cents worth.
If you're having trouble believing that the pooling is really going to be faster, then give this a try:
Add the follow...
How to reference a .css file on a razor view?
...e="text/css" />
@RenderSection("Styles", false)
</head>
and if I need some view specific styles I define the Styles section in each view:
@section Styles {
<link href="@Url.Content("~/Styles/view_specific_style.css")" rel="stylesheet" type="text/css" />
}
Edit: It's usefu...
Global access to Rake DSL methods is deprecated
...ke 0.9.1 by running the following command:
gem uninstall rake -v=0.9.1
If you have multiple versions of the gem installed, you'll be prompted to pick a version.
After 0.9.1 was cleaned out, I ran
bundle update rake
and was finally able to create my database files. I was using rake db:create...
Image comparison - fast algorithm
... in computer vision, keypoint matching. This may require some background knowledge to implement, and can be slow.
The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandabi...
Mixing a PHP variable with a string literal
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how to embed a ternary operator that evaluates to two diff strings in a string?
– oldboy
Jul 27 '19 at 7:23
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What is the most efficient way to concatenate N arrays?
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This answer is particularly useful when N is not known ahead of time such as when you have an array of arrays of arbitrary length and you want them all concatenated.
– jfriend00
Jul 9 '16 at 16:05
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