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What are some uses of decltype(auto)?
...ifiers designate a placeholder
type that will be replaced later, either by deduction from an
initializer or by explicit specification with a trailing-return-type.
The auto type-specifier is also used to signify that a lambda is a
generic lambda.
2 The placeholder type can appear with...
Elegant setup of Python logging in Django
...se. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and sometimes logging.Filters to get the events I want to the appropriate files, console...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...
What do you mean by "attributes"?
– Bozho
Jul 22 '16 at 12:20
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show 4 more commen...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
... a malicious user could include your JSON in the context of their own site by using a script tag in the HTML. e.g. on www.evil.com:
<script src="http://www.example.com/User/GetUser/32"></script>
This JavaScript should be useless to www.evil.com because there should be no way of readi...
How to run a shell script on a Unix console or Mac terminal?
...utable (which is any file with executable permission); you just specify it by its path:
/foo/bar
/bin/bar
./bar
To make a script executable, give it the necessary permission:
chmod +x bar
./bar
When a file is executable, the kernel is responsible for figuring out how to execte it. For non-bin...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
... This does not work on IE10...i get the same error as mentioned by @Shavais ...to get it working upgrade the jquery version to 1.11 or above..try this link
– Nitin
Jun 11 '15 at 10:24
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Do browsers parse javascript on every page load?
...nitial state is monitoring. This means that
spidermonkey is interpreting bytecode. Every time spidermonkey
interprets a backward-jump bytecode, the monitor makes note of the
number of times the jump-target program-counter (PC) value has been
jumped-to. This number is called the hit count for...
django: BooleanField, how to set the default value to true?
I am using BooleanField in django. By default the checkbox generated by it is unchecked state, I want the state to be checked by default, how to do it?
...
Temporarily disable auto_now / auto_now_add
...tion. I needed to "force" an expired timestamp. In my case I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.ob...
How to set environment variables from within package.json
...t variable in a natively cross platform fashion, but the key is it is used by npm in an ad hoc and one-time fashion, just for the npm script execution. (It's not set or exported for future reference.) As long as you're running your command from the npm script, there's no issue. Also, the "&&a...