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What is the difference between procedural programming and functional programming? [closed]
I've read the Wikipedia articles for both procedural programming and functional programming , but I'm still slightly confused. Could someone boil it down to the core?
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Difference between single and double quotes in Bash
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@ekiim That exact text is set (unchanged) into PS1. Try echo $PS1 to see what I mean. But PS1 is evaluated before being displayed (see the PROMPTING section in the bash manpage). To test this out, try PS1='$X'. You will have no prompt. Then run X=foo ...
Repeat Character N Times
In Perl I can repeat a character multiple times using the syntax:
23 Answers
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How can I efficiently download a large file using Go?
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What does principal end of an association means in 1:1 relationship in Entity framework
...ublic class Boo
{
[Key, ForeignKey("Foo")]
public string BooId{get;set;}
public Foo Foo{get;set;}
}
Or fluent mapping
modelBuilder.Entity<Foo>()
.HasOptional(f => f.Boo)
.WithRequired(s => s.Foo);
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Calculating moving average
I'm trying to use R to calculate the moving average over a series of values in a matrix. The normal R mailing list search hasn't been very helpful though. There doesn't seem to be a built-in function in R will allow me to calculate moving averages. Do any packages provide one? Or do I need to writ...
What's up with Java's “%n” in printf?
I'm reading Effective Java and it uses %n for the newline character everywhere. I have used \n rather successfully for newline in Java programs.
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Multiline bash commands in makefile
... script on multiple lines, escape end-of-line with \
Optionally start with set -e to match make's provision to abort on sub-command failure
This is totally optional, but you could bracket the script with () or {} to emphasize the cohesiveness of a multiple line sequence -- that this is not a typical...
Is “double hashing” a password less secure than just hashing it once?
...we have a Surjective function, we have no guarantee the mapping for any subset of the input won't have collisions (in fact, in practice they will).
That's what happened here! Our function was bad, but that's not why this worked (that's why it worked so quickly and so completely).
The same thing happ...
Catch a thread's exception in the caller thread in Python
...vement I'd suggest is using six.raise_from() so that you get a nice nested set of stack traces, instead of just the stack for the site of the reraise.
– aggieNick02
Oct 7 '19 at 19:35
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