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PHP array: count or sizeof?
...ly slower, but admited that i really have no idea by prefacing it with the word "perhaps." Sorry if that offended you. Maybe next time i'll use the word "infinitesimal."
– Andy Groff
Oct 20 '10 at 3:10
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Converting camel case to underscore case in ruby
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Here's how Rails does it:
def underscore(camel_cased_word)
camel_cased_word.to_s.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
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What does iota of std::iota stand for?
...wer is that Ken Iverson wanted a symbol which would remind the user of the word “integer” and the use of the letter “i” as a typical integer variable, especially for array subscripting.
But let's suppose there is a deeper meaning.
According to the Oxford English Dictionary, “iota” is ...
Inline comments for Bash?
... cat input.txt \
| pipe_comment "filter down to lines that contain the word: something" \
| grep something \
| pipe_comment "reverse sort what is left" \
| sort -r
Or if you prefer, here's the same solution without the helper function, but it's a little messier:
#!/bin/sh
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How to create a multiline UITextfield?
... So tell me please how native Calendar app makes View with placeholder and word wrap for notes at event adding screen ?
– Gennadiy Ryabkin
Dec 9 '14 at 11:24
3
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grep a tab in UNIX
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From 'man bash': Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded ...
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Is it good style to explicitly return in Ruby?
... 1
puts "In plus_one_to_y"
@y
end
But why bother leaving out the word return? Why not just put it in there and make it 100% clear what's happening? It will literally have no impact on your code's ability to perform.
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How can I redirect the output of the “time” command?
...y redirection does not seem to work with time is that it's a bash reserved word (not a builtin!) when used in front of a pipeline. bash(1):
If the time reserved word precedes a pipeline, the elapsed as well as
user and system time consumed by its execution are reported when the
pipeline ter...
string sanitizer for filename
...oticed by Dominic Rodger, you could use:
// Remove anything which isn't a word, whitespace, number
// or any of the following caracters -_~,;[]().
// If you don't need to handle multi-byte characters
// you can use preg_replace rather than mb_ereg_replace
// Thanks @Łukasz Rysiak!
$file = mb_ereg_...
Which concurrent Queue implementation should I use in Java?
...ns if multiple threads try to insert and remove at the same time (in other words during the period when the Queue was blocked). A fairness algorithm ensures that the first thread that asks is the first thread that gets. Otherwise, a given thread may wait longer than other threads, causing unpredicta...