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How can I quantify difference between two images?
...*255/rng
Run the main function:
if __name__ == "__main__":
main()
Now you can put this all in a script and run against two images. If we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
...
CodeIgniter: Create new helper?
...s and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
...
Adding custom radio buttons in android
...;
</shape>
All the above 3 file code will be in drawable/ folder.
Now we also need Text Color Selector to change color of text accordingly.
radio_flat_text_selector.xml for text color selector
(Use color/ folder for this file.)
<?xml version="1.0" encoding="utf-8"?>
<selector xm...
In PHP, can you instantiate an object and call a method on the same line?
...on of the statement (new Foo)->property - the value you are storing has nowhere to go because the object will no longer exist after that as it's not stored anywhere.
– thomasrutter
Aug 3 '15 at 1:14
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Fast Bitmap Blur For Android SDK
...
Ran into the known ArrayIndexOutOfBoundsException, and after some analysis, I believe it is caused by an incorrect optimization by the Dalvik VM. In the for loop immediately before the bad dereference, either the calculation of the rbs var...
iOS JavaScript bridge
...going to use both HTML5 in UIWebView and native iOS framework together. I know that I can implement communication between JavaScript and Objective-C. Are there any libraries that simplify implementing this communication? I know that there are several libraries to create native iOS apps in HTML5 and ...
Profiling Vim startup time
...ugins over the years. I’m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
...
Understanding the map function
...e you a new list that holds the addition of elements at a specific index.
Now remember map(), needs a function. This time we'll use the builtin sum() function. Running map() gives the following result:
>>> map(sum, list_one, list_two, list_three)
[33, 36, 39, 42, 45]
REMEMBER:
In Python...
What are the rules for the “…” token in the context of variadic templates?
...t side of ... is repeated — the unpacked patterns (call them expressions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( a...
IN clause and placeholders
... filter empty IN lists, in those cases, the "IN?" is replaced with "1" for now.
– SandWyrm
Jul 3 '13 at 21:19
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