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Is there a way to detect if an image is blurry?
I was wondering if there is a way to determine if an image is blurry or not by analyzing the image data.
12 Answers
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Java JDBC - How to connect to Oracle using Service Name instead of SID
... Jim Tough on May 18 '11 at 15:17. With that answer I was able to connect. Now I want to give back and help others with a complete example. Here goes:
import java.sql.*;
public class MyDBConnect {
public static void main(String[] args) throws SQLException {
try {
String...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
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and now I have PHP Fatal error: require_once(): Failed opening required 'PHPUnit/Autoload.php'
– Dennis
Mar 19 '14 at 14:26
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How to call a parent class function from derived class function?
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I'll take the risk of stating the obvious: You call the function, if it's defined in the base class it's automatically available in the derived class (unless it's private).
If there is a function with the same signature in the derived class you can disambiguate it by adding the base class'...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...ng x; . However, in C++, it seems that long is both a data type and a modifier.
6 Answers
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Which is the preferred way to concatenate a string in Python?
...esulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
a.append(b):
0.010656118392944336
The end string, therefore, ends up being about 100MB long. That was pret...
From inside of a Docker container, how do I connect to the localhost of the machine?
...ker host has the IP address 172.17.42.1 on the docker0 network interface.
Now start a new container and get a shell on it: docker run --rm -it ubuntu:trusty bash and within the container type ip addr show eth0 to discover how its main network interface is set up:
root@e77f6a1b3740:/# ip addr show ...
Create a menu Bar in WPF?
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How to find all positions of the maximum value in a list?
... leading coefficients are ignored in big O
– michaelsnowden
Oct 23 '15 at 8:06
1
Theoretically O(...
How to check if a map contains a key in Go?
...
One line answer:
if val, ok := dict["foo"]; ok {
//do something here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will r...