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Difference between no-cache and must-revalidate
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I believe that must-revalidate means :
Once the cache expires, refuse to return stale responses to the user
even if they say that stale responses are acceptable.
Whereas no-cache implies :
must-revalidate plus the fact the response becomes stale right away.
If a ...
How can I call a custom Django manage.py command directly from a test driver?
...and write test without additional requirements.
But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_command', 'foo', bar='baz')
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Git: Show all of the various changes to a single line in a specified file over the entire git histor
...dySong - If the string you are searching for is unique enough, perhaps you can just leave off the file name and still get what you're looking for.
– rob
Jul 21 '13 at 16:25
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Overloading member access operators ->, .*
...equent member lookup is also handled by an operator-> function. This is called the "drill-down behavior." The language chains together the operator-> calls until the last one returns a pointer.
struct client
{ int a; };
struct proxy {
client *target;
client *operator->() const...
Why does Go have a “goto” statement
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When we actually check the source code of the Go standard library, we can see where gotos are actually well applied.
For example, in the math/gamma.go file, the goto statement is used:
for x < 0 {
if x > -1e-09 {
goto small
}
z = z / x
x = x + 1
}
for x < ...
How to prevent http file caching in Apache httpd (MAMP)
I am developing a single page Javascript application in MAMP. My JavaScript and HTML template files are getting cached between requests.
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How do I choose between Semaphore and SemaphoreSlim?
...e difference is that SemaphoreSlim does not permit named semaphores, which can be system-wide. This would mean that a SemaphoreSlim could not be used for cross-process synchronization.
The MSDN documentation also indicates that SemSlim should be used when "wait times are expected to be very short"....
How do I pass extra arguments to a Python decorator?
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Since you are calling the decorator like a function, it needs to return another function which is the actual decorator:
def my_decorator(param):
def actual_decorator(func):
print("Decorating function {}, with parameter {}".for...
How to override trait function and call it from the overridden function?
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Your last one was almost there:
trait A {
function calc($v) {
return $v+1;
}
}
class MyClass {
use A {
calc as protected traitcalc;
}
function calc($v) {
$v++;
return $this->traitcalc($v);
}
}
The trait is not a class...
Automatically add all files in a folder to a target using CMake?
... changes when a source is added or removed then the generated build system cannot know when to ask CMake to regenerate." This is no longer recommeneded in CMAKE3.7 docs linked about by Hand1Cloud
– triple
Sep 13 '17 at 21:36
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