Is there difference between iot and computer network in framing , flow and error control , MAC , switching layer
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What does ArrayIndexOutOfBoundsException mean and how do I get rid of it? Here is a code sample that triggers the exception: String[] names = { "tom", "bob", "harry" }; for (int i = 0; i <= names.length; i++) { ...Read more
The Stanford NLP, demo’d here, gives an output like this: Colorless/JJ green/JJ ideas/NNS sleep/VBP furiously/RB ./. What do the Part of Speech tags mean? I am unable to find an official list. Is it Stanford’s own system, or are ...Read more
I am thinking about switching from using the C++ version of Open CV to using the emgu CV wrapper so that I can use C# to communicate with another C# program. However, are there any features of Open CV that are ...Read more
I was reading the papers on deep learning. Most of them refer to unsupervised learning. They also say the neurons are pre-trained using an unsupervised RBM network. Later they are fine-tuned using the Backpropagation algorithm (supervised). So can we solve supervised learning ...Read more
I always thought Java uses pass-by-reference. However, I’ve seen a couple of blog posts (for example, this blog) that claim that it isn’t (the blog post says that Java uses pass-by-value). I don’t think I understand the distinction they’re making. What is the ...Read more
What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them? What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?
I am uploading the single file in aws and DB, but now how can i upload multiple files in AWS and my DB Here is the below the code for single file upload def upload_to_s3(filedata,folder_path): s3 = boto3.client('s3', ...Read more