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:: (double colon) operator in Java 8
...ing Math.max. That's where lambda expressions come into play. Since Java 8 it is allowed to do the same thing in a much shorter way:
reduce((int left, int right) -> Math.max(left, right));
How does this work? The java compiler "detects", that you want to implement a method that accepts two int...
Pickle incompatibility of numpy arrays between Python 2 and 3
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This seems like some sort of incompatibility. It's trying to load a "binstring" object, which is assumed to be ASCII, while in this case it is binary data. If this is a bug in the Python 3 unpickler, or a "misuse" of the pickler by numpy, I don't know.
Here is som...
NodeJS / Express: what is “app.use”?
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The app object is instantiated on creation of the Express server. It has a middleware stack that can be customized in app.configure()(this is now deprecated in version 4.x).
To setup your middleware, you can invoke app.use(<specific_middleware_layer_here>) for every middleware layer...
How to add an image to a JPanel?
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Here's how I do it (with a little more info on how to load an image):
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.L...
How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
I am a little confused about the JPA 2.0 orphanRemoval attribute.
8 Answers
8
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How to visualize an XML schema? [closed]
...xsdvi creates an interactive diagram in SVG format from an XML Schema Definition. The generated SVG file can be displayed by a modern web browser where the user can expand and collapse the tree by mouse clicking.
Here is an example of a generated diagram
http://xsdvi.sourceforge.net/ipo.svg
The s...
Strings in a DataFrame, but dtype is object
Why does Pandas tell me that I have objects, although every item in the selected column is a string — even after explicit conversion.
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Batch File; List files in directory, only filenames?
This is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names an...
How to detect if my shell script is running through a pipe?
How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process?
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CSS text-overflow in a table cell?
...CSS text-overflow in a table cell, such that if the text is too long to fit on one line, it will clip with an ellipsis instead of wrapping to multiple lines. Is this possible?
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