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Simple Digit Recognition OCR in OpenCV-Python
...l the pixel values as my features. (I was not worried about accuracy or performance, I just wanted it to work, at least with the least accuracy)
I took below image for my training data:
( I know the amount of training data is less. But, since all letters are of same font and size, I decided to t...
How do I return the response from an asynchronous call?
...planned to do. Once your friend calls you back, you are dealing with the information he gave to you.
That's exactly what's happening when you do an Ajax request.
findItem(function(item) {
// Do something with the item
});
doSomethingElse();
Instead of waiting for the response, the execution con...
Why does the MongoDB Java driver use a random number generator in a conditional?
...t programming at work.
That line is gratuitously convoluted. The general form
a? true : b
for boolean a, b is equivalent to the simple
a || b
The surrounding negation and excessive parentheses convolute things further. Keeping in mind De Morgan's laws it is a trivial observation that this pie...
In what areas might the use of F# be more appropriate than C#? [closed]
...Code reduction Much of the data fed into the calculation engine was in the form of vectors and matrices. Higher order functions eat these for breakfast with minimal fuss, minimal code. Beautiful.
Lack of bugs Functional programming can feel strange. I can be working on an algorithm, trying hard to ...
What's the difference between an inverted index and a plain old index?
...ere. Otherwise the two types are identical, it's just a question of what information you have, and as a result what information you're trying to find.
To address your inquiry, I don't think there's actually a way to know why the use is what it is today. The only reason it's important to define whic...
How can I parse a CSV string with JavaScript, which contains comma in data?
...aimer
2014-12-01 Update: The answer below works only for one very specific format of CSV. As correctly pointed out by DG in the comments, this solution does not fit the RFC 4180 definition of CSV and it also does not fit Microsoft Excel format. This solution simply demonstrates how one can parse one...
What is NoSQL, how does it work, and what benefits does it provide? [closed]
...orks differently, but the basic idea is to offer better scalability and performance by using DB models that don't support all the functionality of a generic RDBMS, but still enough functionality to be useful. In a way it's like MySQL, which at one time lacked support for transactions but, exactly be...
How are zlib, gzip and zip related? What do they have in common and how are they different?
...
Short form:
.zip is an archive format using, usually, the Deflate compression method. The .gz gzip format is for single files, also using the Deflate compression method. Often gzip is used in combination with tar to make a compre...
Should I use past or present tense in git commit messages? [closed]
...I think this is an excellent choice. Think about what a commit is, in diff form: a set of instructions for how to go from a previous state to a new state. Just as the diff says "add this line here, remove this line here", the commit message says in qualitative terms "make this change". (Yes, git doe...
Downloading Java JDK on Linux via wget is shown license page instead
...
"preceding dash" should be "dash following either form of the option" but this is an excellent summarization.
– Alex Dupuy
Mar 18 '14 at 8:27
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