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How using try catch for exception handling is best practice
while maintaining my colleague's code from even someone who claims to be a senior developer, I often see the following code:
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Why do we need private subnet in VPC?
...anaged NAT Gateway for VPC. This optional service provides an alternative mechanism for VPC instances in a private subnet to access the Internet, where previously, the common solution was an EC2 instance on a public subnet within the VPC, functioning as a "NAT instance," providing network address t...
Simple way to encode a string according to a password?
...al observer, and you aren't looking to use third party libraries. I'd recommend something like the Vigenere cipher. It is one of the strongest of the simple ancient ciphers.
Vigenère cipher
It's quick and easy to implement. Something like:
import base64
def encode(key, string):
encoded_char...
What is the global interpreter lock (GIL) in CPython?
...to interpreter internals from different threads. On multi-core systems, it means that multiple threads can't effectively make use of multiple cores. (If the GIL didn't lead to this problem, most people wouldn't care about the GIL - it's only being raised as an issue because of the increasing prevale...
Is Java really slow?
Java has some degree of reputation for being slow .
19 Answers
19
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Handling InterruptedException in Java
...g InterruptedException? What is the best way to do it?
You've probably come to ask this question because you've called a method that throws InterruptedException.
First of all, you should see throws InterruptedException for what it is: A part of the method signature and a possible outcome of calli...
Why doesn't Java offer operator overloading?
...ted to overwrite the previous value of the object referred to by a, then a member function would have to be invoked.
Complex a, b, c;
// ...
a = b.add(c);
In C++, this expression tells the compiler to create three (3) objects on the stack, perform addition, and copy the resultant value from the t...
Simple C example of doing an HTTP POST and consuming the response
... very simple C application that does an HTTP post. It will take a few parameters, and use these to construct a URL. I'd just like to do a simple HTTP POST and get the response without the use of curl (the libraries are not and will not be installed on the machine this needs to run).
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
...ew hundred ms for SIFT, SURF is bit faster, but it not suitable for real-time applications. ORB uses FAST which is weaker regarding rotation invariance.
The original papers
SURF: Speeded Up Robust Features
Distinctive Image Features
from Scale-Invariant Keypoints
ORB: an efficient alternative to SI...
Should all jquery events be bound to $(document)?
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No - you should NOT bind all delegated event handlers to the document object. That is probably the worst performing scenario you could create.
First off, event delegation does not always make your code faster. In some cases, it's is advantageous and in some cases not. You should use ev...