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What is `related_name` used for in Django?
What is the related_name argument useful for on ManyToManyField and ForeignKey fields? For example, given the following code, what is the effect of related_name='maps' ?
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TemplateDoesNotExist - Django Error
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Make sure you have rest_framework listed in your settings.py INSTALLED_APPS.
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“for loop” with two variables? [duplicate]
...ou don't want to truncate to the shortest list, you could use itertools.zip_longest.
UPDATE
Based on the request for "a function that will read lists "t1" and "t2" and return all elements that are identical", I don't think the OP wants zip or product. I think they want a set:
def equal_elements(...
Why won't my PHP app send a 404 error?
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if (strstr($_SERVER['REQUEST_URI'],'index.php')){
header('HTTP/1.0 404 Not Found');
echo "<h1>404 Not Found</h1>";
echo "The page that you have requested could not be found.";
exit();
}
If you look at the la...
How to use font-awesome icons from node-modules
...file, you can either import the whole font awesome less using @import "node_modules/font-awesome/less/font-awesome.less", or look in that file and import just the components that you need. I think this is the minimum for basic icons:
/* adjust path as needed */
@fa_path: "../node_modules/font-aweso...
printf with std::string?
... for some reason, you need to extract the C-style string, you can use the c_str() method of std::string to get a const char * that is null-terminated. Using your example:
#include <iostream>
#include <string>
#include <stdio.h>
int main()
{
using namespace std;
string my...
Why can't yield return appear inside a try block with a catch?
...ck");
}
Console.WriteLine("Post");
into (sort of pseudo-code):
case just_before_try_state:
try
{
Console.WriteLine("a");
}
catch (Something e)
{
CatchBlock();
goto case post;
}
__current = 10;
return true;
case just_after_yield_return:
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Difference between private, public, and protected inheritance
...rts the same control on external access.
– underscore_d
Feb 27 '16 at 18:28
2
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How to implement an abstract class in ruby?
...clarative about which methods are abstract:
module Abstract
def abstract_methods(*args)
args.each do |name|
class_eval(<<-END, __FILE__, __LINE__)
def #{name}(*args)
raise NotImplementedError.new("You must implement #{name}.")
end
END
# import...
PHP random string generator
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All that work, why not just something like substr(str_shuffle(MD5(microtime())), 0, 10);?
– SpYk3HH
Apr 9 '14 at 13:06
5
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