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Image comparison - fast algorithm
... if a good match is found at the faster level.
file-hash based (md5,sha1,etc) for exact duplicates
perceptual hashing (phash) for rescaled images
feature-based (SIFT) for modified images
I am having very good results with phash. The accuracy is good for rescaled images. It is not good ...
What is the difference between the kernel space and the user space?
...r processes have to use the predefined system calls i.e. open, read, write etc. Also, the C library functions like printf call the system call write in turn.
The system calls act as an interface between the user processes and the kernel processes. The access rights are placed on the kernel space i...
How to remove all white spaces in java [duplicate]
...remove anything that is a space character (including space, tab characters etc). You need to escape the backslash in Java so the regex turns into \\s. Also, since Strings are immutable it is important that you assign the return value of the regex to a.
...
Capturing Groups From a Grep RegEx
... first capture group is stored in index 1, the second (if any) in index 2, etc. Index zero is the full match.
You should be aware that without anchors, this regex (and the one using grep) will match any of the following examples and more, which may not be what you're looking for:
123_abc_d4e5
xyz1...
Bower and devDependencies vs dependencies
...d scripts, e.g. unit testing, packaging scripts, documentation generation, etc.
dependencies are required for production use, and assumed required for dev as well.
Including devDependencies within dependencies, as you have it, won't be harmful; the module will just bundle more files (bytes) during...
How to get a subset of a javascript object's properties
...common refactorings like renaming a property in your IDE won't pick it up, etc.etc.
– Andy
May 12 at 18:03
You don't n...
How to determine the encoding of text?
...IC_MIME_ENCODING)
m.load()
encoding = m.buffer(blob) # "utf-8" "us-ascii" etc
There is an identically named, but incompatible, python-magic pip package on pypi that also uses libmagic. It can also get the encoding, by doing:
import magic
blob = open('unknown-file', 'rb').read()
m = magic.Magic(...
Do you need to use path.join in node.js?
...the given pathes come from unknown sources (eg. user input, 3rd party APIs etc.).
So path.join('a/','b') path.join('a/','/b'), path.join('a','b') and path.join('a','/b') will all give a/b.
Without using it, you usually would make expectations about the start and end of the pathes joined, knowing...
Android: Background Image Size (in Pixel) which Support All Devices
...main problem/challenge with android, there is no set size for hdpi, xhdpi, etc. because each manufacture can make a different sized phone/tablet, unlike IOS where only apple makes it. Look at section on range: developer.android.com/guide/practices/…
– toidiu
...
Using SASS with ASP.NET [closed]
...e sassc.exe).
NSass: a .Net wrapper.
Node-Sass: to use Libsass on Node.js.
etc.
Compass is a framework for Sass that add a lot of useful helpers (like image spriting) and can also compile your SCSS/Sass. But you need to install Ruby on each development environment where you need to compile your ...