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parseInt vs unary plus, when to use which?
...er for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN(parseInt('',10)); //true
The unary + acts more like parseFloat ...
How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
... solution. But it has a bug. Click once on zzzzz and the popover shows up. Now click once on the white background. The popup disappears. Now click again on the white background. And now click again on zzzz and it doesn't work. :-|
– Houman
Sep 8 '12 at 23:28
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What is the use of the JavaScript 'bind' method?
...ink I've ever used bind other than for binding 'this'. The other form is known as Partial Application and is pretty common in functional languages. I imagine it is included for completeness.
– nkron
Jan 18 '15 at 0:13
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What's the correct way to communicate between controllers in AngularJS?
... in this answer have been resolved in angular.js version 1.2.7. $broadcast now avoids bubbling over unregistered scopes and runs just as fast as $emit.
So, now you can:
use $broadcast from the $rootScope
listen using $on from the local $scope that needs to know about the event
Original Answe...
How to expire session due to inactivity in Django?
...ion on every request like so.
request.session['last_activity'] = datetime.now()
and add a middleware to detect if the session is expired. something like this should handle the whole process...
from datetime import datetime
from django.http import HttpResponseRedirect
class SessionExpiredMiddlew...
Can't compile project when I'm using Lombok under IntelliJ IDEA
...nally, rename lombok to Project Lombok 1.18.8.
Click OK.
The project can now import from the lombok package and use Project Lombok annotations (e.g., lombok.Setter and lombok.Getter).
share
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impr...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
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Now that the first item in the list isn't always the file you pasted, I've updated it to loop through the items to find any pasted files.
– Nick Retallack
Sep 7 '15 at 20:28
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How can I reconcile detached HEAD with master/origin?
...dlink .git/HEAD. But symbolic links are not entirely portable, so they are now deprecated and symbolic refs (as described above) are used by default."
– Dmitry Minkovsky
Aug 2 '13 at 2:43
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A html space is showing as %2520 instead of %20
...inks. Assuming you want to link to the resource C:\my path\my file.html:
if you provide a local file path only, the browser is expected to encode and protect all characters given (in the above, you should give it with spaces as shown, since % is a valid filename character and as such it will be en...
Surrogate vs. natural/business keys [closed]
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Now, after reading a lot about surrogate keys and natural keys, I think using surrogate keys is better. But, on my database, natural keys (a NVARCHAR(20)) must be unique. I don't understand how I can get more speed if I need ...