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Are Java static calls more or less expensive than non-static calls?
...ode you have between the invocations will dilute the differences, and this includes parameter passing. Actually, the 15% difference between static and nonvirtual calls is probably explained in full by the fact that the this pointer does not have to be passed to the static method. So, it would only t...
How do I filter ForeignKey choices in a Django ModelForm?
... a form class, but can do it directly in the ModelAdmin, as Django already includes this built-in method on the ModelAdmin (from the docs):
ModelAdmin.formfield_for_foreignkey(self, db_field, request, **kwargs)¶
'''The formfield_for_foreignkey method on a ModelAdmin allows you to
override the ...
float:left; vs display:inline; vs display:inline-block; vs display:table-cell;
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insert vs emplace vs operator[] in c++ map
...standard library, not just for maps.)
Here's an example to demonstrate:
#include <vector>
struct foo
{
explicit foo(int);
};
int main()
{
std::vector<foo> v;
v.emplace(v.end(), 10); // Works
//v.insert(v.end(), 10); // Error, not explicit
v.insert(v.end(...
How to position a DIV in a specific coordinates?
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Writing a git post-receive hook to deal with a specific branch
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Getting value of HTML Checkbox from onclick/onchange events
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Do copyright dates need to be updated? [closed]
...ever that only gets you the legal right to stop infringement. You have to include a copyright notice to get compensatory and punitive damaged (at least in the U.S.).
– Daniel Newby
Mar 5 '10 at 22:23
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select and update database record with a single queryset
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IE7 does not understand display: inline-block
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