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How should I have explained the difference between an Interface and an Abstract class?
... an abstract class is "core" to the classes which extend the class; ie, it doesn't change.
– orrymr
Apr 15 '16 at 10:00
5
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Differences between socket.io and websockets
...ove WebSockets, it has different semantics (marks messages with name), and does failovers to different protocols, as well has heartbeating mechanism. More to that attaches ID's to clients on server side, and more. So it is not just a wrapper, it is full-featured library. In fact it hasn't been suppo...
How to find time complexity of an algorithm
...uture readers. Just handing over a link for which I have to signup, really doesn't help me when I just want to go through some nicely explained text.
– bad_keypoints
Jan 2 '16 at 4:48
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...tant")
I believe it makes it easier to update the timezone database, which does change relatively frequently
It has a good immutability story, which makes life a lot easier IME.
Leading on from immutability, all the formatters are thread-safe, which is great because you almost always want to reuse a...
Have Grunt generate index.html for different setups
... statements to "decide" in your index.html which assets to load. Still, it does make sense. This is the place you will normally look to include resources in your project. Also, following up on this led me to check out grunt-contrib. It has some great stuff in it.
– carbontax
...
How to configure MongoDB Java driver MongoOptions for production use?
...o become available on the connection pool, and raises an exception if this does not happen in time. Keep default.
socketTimeout. Standard socket timeout value. Set to 60 seconds (60000).
threadsAllowedToBlockForConnectionMultiplier. Multiplier for connectionsPerHost that denotes the number of thread...
Detach (move) subdirectory into separate Git repository
...Ubuntu
sudo apt-get update
sudo apt-get install git
git --version
If that doesn't work (you have a very old version of Ubuntu), try
sudo add-apt-repository ppa:git-core/ppa
sudo apt-get update
sudo apt-get install git
If that still doesn't work, try
sudo chmod +x /usr/share/doc/git/contrib/subtree...
Why / when would it be appropriate to override ToString?
...psulating everything in a class. Imagine you are coding in a language that doesn't follow the strong OOP model; consider whether you'd use a class or a function. If you would use it as a function (ie verb, action) and internal state is only maintained temporarily between input/output, ToString() won...
How to get different colored lines for different plots in a single figure?
...
Matplotlib does this by default.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
plt.plot(x, x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.show()
And, as you may already know, you can...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...x domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for a cloud platform like Heroku, where multiple and frequently changing backends are responsible for responding to requests.
For subdomains (like www.example.com) you can use CNAME records poi...