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How to split a sequence into two pieces by predicate?
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One can shorten the function inside partition to _ % 2 == 0.
– k0pernikus
Aug 21 '19 at 14:11
add a ...
MySQL error code: 1175 during UPDATE in MySQL Workbench
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I mentioned that I already disabled the safe update option from the GUI which have the same effect as id I typed the command. However, thanks for your answer, but I already answered my question. Check my answer to know what was the ...
Can I use if (pointer) instead of if (pointer != NULL)?
... have to remember this conversion to understand is your opinion. It's just one kind of coding style.
– harper
Jul 21 '13 at 12:17
7
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How does “cat
...ly leading tab characters are stripped -- not soft tab characters. This is one of those rare case when you actually need the tab character. If the rest of your document uses soft tabs, make sure to show invisible characters and (e.g.) copy and paste a tab character. If you do it right, your syntax h...
Hash and salt passwords in C#
I was just going through one of DavidHayden's articles on Hashing User Passwords .
14 Answers
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RegEx: Smallest possible match or nongreedy match
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I don't know, if I'm the only one with this misunderstanding, but it's important to note: While it's true that the non-greedy operator will match as few characters as possible, it still might not be the match one is looking for. "As few characters as poss...
How do I (or can I) SELECT DISTINCT on multiple columns?
...ND s1.ctid <> s.ctid
Every table should have a primary key. Add one if you didn't have one, yet. I suggest a serial or an IDENTITY column in Postgres 10+.
Related:
In-order sequence generation
Auto increment table column
How is this faster?
The subquery in the EXISTS anti-semi-join ...
Calculating days between two dates with Java
...iseconds to seconds results in 0. This means that if you use new Date() as one of the Date objects you might get one day less so take care
– Klitos G.
Jun 3 '16 at 11:38
3
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Why functional languages? [closed]
...t of talk on here about functional languages and stuff. Why would you use one over a "traditional" language? What do they do better? What are they worse at? What's the ideal functional programming application?
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Python, creating objects
...ent = Student(name, age, major)
return student
Note that even though one of the principles in Python's philosophy is "there should be one—and preferably only one—obvious way to do it", there are still multiple ways to do this. You can also use the two following snippets of code to take adv...