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How to get number of entries in a Lua table?
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132
You already have the solution in the question -- the only way is to iterate the whole table with...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...took advantage of the predefined unix macro:
main() { printf(&unix["\021%six\012\0"],(unix)["have"]+"fun"-0x60);}
It prints "unix", but for reasons that have absolutely nothing to do with the spelling of the macro name.
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
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382
Place the following code in config/initializers/quiet_assets.rb
if Rails.env.development?
Rai...
Common programming mistakes for Clojure developers to avoid [closed]
...va hexadecimal values via the 0x prefix. You can also use any base between 2 and 36 by using the "base+r+value" notation, such as 2r101010 or 36r16 which are 42 base ten.
Trying to return literals in an anonymous function literal
This works:
user> (defn foo [key val]
{key val})
#'user/fo...
How to send JSON instead of a query string with $.ajax?
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257
You need to use JSON.stringify to first serialize your object to JSON, and then specify the co...
Print text instead of value from C enum
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answered Jul 2 '10 at 18:46
Tyler McHenryTyler McHenry
66.2k1515 gold badges112112 silver badges157157 bronze badges
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symfony 2 twig limit the length of the text and put three dots
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208
{{ myentity.text|length > 50 ? myentity.text|slice(0, 50) ~ '...' : myentity.text }}
You...
PHP substring extraction. Get the string before the first '/' or the whole string
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262
Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using th...
UIActivityViewController crashing on iOS 8 iPads
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Syed Ali Salman
2,73744 gold badges2929 silver badges4545 bronze badges
answered Sep 3 '14 at 12:19
mmccombmmccomb
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Generate colors between red and green for a power meter?
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203
This should work - just linearly scale the red and green values. Assuming your max red/green/b...