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What are the differences between poll and select?
...on modern systems. Furthermore, epoll() has since been developed (you can read the man page), and continues to rise in popularity.
For modern development you probably don't want to use select(), although there's nothing explicitly wrong with it. poll(), and it's more modern evolution epoll(), pro...
Can you have if-then-else logic in SQL? [duplicate]
...mmer and not very into dbs, I think this solution looks the most simple to read and understand :) However, I get multiple result sets since it does more than 1 select. Is there any way to only return 1 resut set? Also, does anyone back up @mson on this being a bad idea?
– Cotte...
SQLite DateTime comparison
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For all those reading the first sentence, in '17 SQLite does have date and datetime
– alisianoi
Jun 21 '17 at 13:29
3
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Math - mapping numbers
...other words,
R = (20 - 10) / (6 - 2)
y = (x - 2) * R + 10
This evenly spreads the numbers from the first range in the second range.
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Can I Replace Apache with Node.js?
...do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.js (so instead of " LAMP " it would "LNMP").
...
What is a monad?
... of built-in functions which interface with the outside world: putStrLine, readLine and so on. These functions are called “impure” because they either cause side effects or have non-deterministic results. Even something simple like getting the time is considered impure because the result is non-...
What is a “surrogate pair” in Java?
I was reading the documentation for StringBuffer , in particular the reverse() method. That documentation mentions something about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates?
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What's “P=NP?”, and why is it such a famous question? [closed]
...h has discrete cells into which a finite set of symbols can be written and read. At any given time, the TM is in one of its states, and it is looking at a particular cell on the tape. Depending on what it reads from that cell, it can write a new symbol into that cell, move the tape one cell forwar...
What are the implications of using “!important” in CSS? [duplicate]
...verride website styles. It's used a lot by accessibility tools like screen readers, ad blockers, and more.
Overriding 3rd party code & inline styles.
Generally I'd say this is a case of code smell, but sometimes you just have no option. As a developer, you should aim to have as much control ov...
What is the correct syntax for 'else if'?
..., when I first started (in the last couple of weeks).
So your code should read:
def function(a):
if a == '1':
print('1a')
elif a == '2':
print('2a')
else:
print('3a')
function(input('input:'))
...