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How exactly does the callstack work?
...operations of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet.
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...ult methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
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How to install pip with Python 3?
I want to install pip . It should support Python 3, but it requires setuptools, which is available only for Python 2.
21 A...
Printing without newline (print 'a',) prints a space, how to remove?
...to work if each of your print statements prints the same string. Note that it works for multiplication of any length string (e.g. 'foo' * 20 works).
>>> print 'a' * 20
aaaaaaaaaaaaaaaaaaaa
If you want to do this in general, build up a string and then print it once. This will consume a bi...
JavaFX Application Icon
Is it possible to change the application icon using JavaFX, or does it have to be done using Swing?
17 Answers
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Peak memory usage of a linux/unix process
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Here's a one-liner that doesn't require any external scripts or utilities and doesn't require you to start the process via another program like Valgrind or time, so you can use it for any process that's already running:
grep VmPeak /proc/$PID/status
(replace $PID with the PID of the proces...
Encoding an image file with base64
...ion. I assume you are doing something along the lines of:
import base64
with open("yourfile.ext", "rb") as image_file:
encoded_string = base64.b64encode(image_file.read())
You have to open the file first of course, and read its contents - you cannot simply pass the path to the encode functio...
Download a single folder or directory from a GitHub repo
How can I download only a specific folder or directory from a remote Git repo hosted on GitHub?
36 Answers
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What do people find difficult about C pointers? [closed]
From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
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What is the difference between List (of T) and Collection(of T)?
...mizable wrapper around IList<T>. While IList<T> is not sealed, it doesn't provide any customization points. Collection<T>'s methods are by default delegated to the standard IList<T> methods, but can be easily overridden to do what you want. It is also possible to wireup event...