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Difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
23 Answers
23
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Is there any significant difference between using if/else and switch-case in C#?
... (unlike many other languages) also allows to switch on string constants - and this works a bit differently. It's obviously not practical to build jump tables for strings of arbitrary lengths, so most often such switch will be compiled into stack of IFs.
But if number of conditions is big enough t...
Parsing JSON with Unix tools
...ls specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed on yo...
Can't start hostednetwork
...ers tree , right click button on Microsoft Hosted Network Virtual Adapter and click on enable.
Try now with the command netsh wlan start hostednetwork with admin privileges. It should work.
Note: If you don't see the network adapter with name 'Microsoft Hosted Network Virtual Adapter' try on men...
How to determine if a point is in a 2D triangle? [closed]
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In general, the simplest (and quite optimal) algorithm is checking on which side of the half-plane created by the edges the point is.
Here's some high quality info in this topic on GameDev, including performance issues.
And here's some code to get y...
Wireshark localhost traffic capture [closed]
...ssible - read below. You can use the local address of your machine instead and then you'll be able to capture stuff. See CaptureSetup/Loopback.
Summary: you can capture on the
loopback interface on Linux, on
various BSDs including Mac OS X, and
on Digital/Tru64 UNIX, and you might
be abl...
Is std::unique_ptr required to know the full definition of T?
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Adopted from here.
Most templates in the C++ standard library require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for ...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...e design issues that seems "obviously a good idea" until you start digging and you realize that its actually a bad idea.
This mail has a lot on the subject (and on other subjects too.) There were several design forces that converged to bring us to the current design:
The desire to keep the i...
Can someone explain mappedBy in JPA and Hibernate?
I am new to hibernate and need to use one-to-many and many-to-one relations. It is a bi-directional relationship in my objects, so that I can traverse from either direction. mappedBy is the recommended way to go about it, however, I couldn't understand it. Can someone explain:
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How many threads is too many?
I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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