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Correct way to populate an Array with a Range in Ruby
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What if the array is already created and you want to add a range to it: I have order = 1. Then order << (2.25).to_a. But this creates another array inside the array, I simply want the range from 2 to 25. Yet if I try or...
How to execute a raw update sql with dynamic binding in rails
...s left open, etc). I would trace the Rails code for a normal update to see what it's doing aside from the actual query.
Using prepared queries can save you a small amount of time in the database, but unless you're doing this a million times in a row, you'd probably be better off just building the u...
Batch files - number of command line arguments
... define arrays of same size. Dont ask me why exactly. Mostly just learning what batch is capable of.
– T3RR0R
Jan 4 at 12:56
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Why doesn't C++ have a garbage collector?
...complaint is often about performance, but most people don't really realize what they are talking about. As illustrated by Martin Beckett the problem may not be performance per se, but the predictability of performance.
There are currently 2 families of GC that are widely deployed:
Mark-And-Sweep ...
Run a single migration file
...robably won't update the schema_migrations table, but it seems like that's what you want anyway.
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Non-type template parameters
... which isn't possible because templates are a compile-time concept.
Here's what the standard allows for non-type template parameters (14.1 [temp.param] p4):
A non-type template-parameter shall have one of the following (optionally cv-qualified) types:
integral or enumeration type,
pointer to objec...
What's the difference between an element and a node in XML?
I'm working in Java with XML and I'm wondering; what's the difference between an element and a node?
13 Answers
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Split a vector into chunks in R
...y base function to do that. Also Google didn't get me anywhere. So here is what I came up with, hopefully it helps someone some where.
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Python argparse: How to insert newline in the help text?
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Not quite what the OP was asking for, but exactly what I wanted, thanks!
– Huw Walters
Mar 14 '19 at 9:30
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An efficient compression algorithm for short text strings [closed]
...he compression rate may suffer.
Actually, the question you should ask is "what algorithm to compress text strings with these characteristics". For instance, if long repetitions are expected, simple Run-Lengh Encoding might be enough. If you can guarantee that only English words, spaces, punctiation...