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Rails 3: Get Random Record
So, I've found several examples for finding a random record in Rails 2 -- the preferred method seems to be:
14 Answers
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Explicit specialization in non-namespace scope [duplicate]
... - explicit specializations have to be at namespace scope. C++03, §14.7.3/2:
An explicit specialization shall be declared in the namespace of which the template is a member, or, for member templates, in the namespace of which the enclosing class or enclosing class template is a member.
An exp...
Is there a way to squash a number of commits non-interactively?
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edited Nov 13 '19 at 21:24
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How to remove an item from an array in AngularJS scope?
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259
Your issue is not really with Angular, but with Array methods. The proper way to remove a part...
Shell script “for” loop syntax
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235
Brace expansion, {x..y} is performed before other expansions, so you cannot use that for varia...
Finding row index containing maximum value using R
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See ?which.max
> which.max( matrix[,2] )
[1] 2
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Parsing a comma-delimited std::string [duplicate]
...tream>
#include <iostream>
int main()
{
std::string str = "1,2,3,4,5,6";
std::vector<int> vect;
std::stringstream ss(str);
for (int i; ss >> i;) {
vect.push_back(i);
if (ss.peek() == ',')
ss.ignore();
}
for (std::size_t...
How to create an HTTPS server in Node.js?
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152
I found following example.
https://web.archive.org/web/20120203022122/http://www.silassewell.co...
Android Studio Checkout Github Error “CreateProcess=2” (Windows)
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233
I've solved the problem , and I will explain how :
Download Github For Windows client and in...
How add “or” in switch statements?
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326
By stacking each switch case, you achieve the OR condition.
switch(myvar)
{
case 2:
ca...