How do I use raw_input in Python 3
Starting with Python 3, raw_input() was renamed to input(). From What’s New In Python 3.0, Builtins section second item.
What is reflection and why is it useful?
The name reflection is used to describe code which is able to inspect other code in the same system (or itself). For example, say you have an object of an unknown type in Java, and you would like to call a ‘doSomething’ method on it if one exists. Java’s static typing system isn’t really designed … Read more
Is Java “pass-by-reference” or “pass-by-value”?
I always thought Java uses pass-by-reference. However, I’ve seen a blog post that claims that Java uses pass-by-value. I don’t think I understand the distinction they’re making. What is the explanation?
How do I make a transparent border with CSS?
You can use “transparent” as a colour. In some versions of IE, that comes up as black, but I’ve not tested it out since the IE6 days. http://www.researchkitchen.de/blog/archives/css-bordercolor-transparent.php
TypeError: ‘builtin_function_or_method’ object is not subscriptable
I think you want The expression listb.pop is a valid python expression which results in a reference to the pop method, but doesn’t actually call that method. You need to add the open and close parentheses to call the method.
Official definition of CSCI (Computer Software Configuration Item)
As far as I can tell, CSCI was defined in the same logic as HWCI (Hardware Configuration Item) in DOD-STD-2167A which simply defined CSCI as a configuration item. More clear definition is in MIL-STD-498 which superseded DOD-STD-2167A: CSCI – An aggregation of software that satisfies an end use function and is designated for separate configuration … Read more
How to join (merge) data frames (inner, outer, left, right)
By using the merge function and its optional parameters: Inner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = “CustomerId”) to make sure that you were matching on only the fields you desired. You … Read more
How to copy files from host to Docker container?
The cp command can be used to copy files. One specific file can be copied TO the container like: One specific file can be copied FROM the container like: For emphasis, container_id is a container ID, not an image ID. (Use docker ps to view listing which includes container_ids.) Multiple files contained by the folder … Read more
What is the difference between model.fit() an model.evaluate() in Keras?
fit() is for training the model with the given inputs (and corresponding training labels). evaluate() is for evaluating the already trained model using the validation (or test) data and the corresponding labels. Returns the loss value and metrics values for the model. predict() is for the actual prediction. It generates output predictions for the input … Read more
Use Notepad++ as HEX-Editor
It seems to me you tried to install a hex editor and ended up in the wrong tool (Plug-In) Converter (ASCII -> HEX) as mentioned in your question above. The installation process of the HexEditor is somewhat confusing because it is currently available only in the Plugins Admin for the 32-bit version. A simple solution … Read more