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What's the difference between lapply and do.call?
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edited May 29 '12 at 15:37
answered May 29 '12 at 15:11
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Self-references in object literals / initializers
...he only thing that I can tell you about are getter:
var foo = {
a: 5,
b: 6,
get c() {
return this.a + this.b;
}
}
console.log(foo.c) // 11
This is a syntactic extension introduced by the ECMAScript 5th Edition Specification, the syntax is supported by most modern bro...
Python Sets vs Lists
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edited Sep 29 '16 at 10:25
smerlin
5,78033 gold badges2929 silver badges5151 bronze badges
answered May...
Modulo operation with negative numbers
...akes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5)%3 = -5
This can only happen if (-5)%3 is -2
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How to generate random number with the specific length in python
...nt random_with_N_digits(3)
print random_with_N_digits(4)
Output:
33
124
5127
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Gray out image with CSS?
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edited Mar 22 '13 at 9:35
Taz
3,39722 gold badges3131 silver badges5252 bronze badges
answered Nov 13 ...
Can't find the 'libpq-fe.h header when trying to install pg gem
...works with postgresql 9.4 on Ubuntu 14.04 See: stackoverflow.com/a/28837453/75194
– Ryan Rauh
Mar 19 '15 at 19:42
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How do I convert an integer to binary in JavaScript?
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526
function dec2bin(dec){
return (dec >>> 0).toString(2);
}
dec2bin(1); // 1
dec...
No route matches [GET] /assets
...n.rb in your application:
config.serve_static_files = false
Or in Rails 5:
# config/environments/production.rb
config.public_file_server.enabled = true
Or set ENV['RAILS_SERVE_STATIC_FILES'] to true.
You can either set to that true or use a real server like Apache or Nginx which will serve th...