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What does the Reflect object do in JavaScript?
...
UPDATE 2015:
As pointed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) ...
URL-parameters and logic in Django class-based views (TemplateView)
...or higher, as pointed out here:
Django’s generic class based views now automatically include a view
variable in the context. This variable points at your view object.
In your views.py:
from django.views.generic.base import TemplateView
class Yearly(TemplateView):
template_name ...
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
...nsider: If floor() returned an integer, what should floor(1.0e30) return?
Now, while Python's integers are now arbitrary precision, it wasn't always this way. The standard library functions are thin wrappers around the equivalent C library functions.
...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...f convertibility of method groups and delegate types, which is different.
Now that we've got that out of the way, we can walk through section 6.6 of the spec and see what we get.
To do overload resolution we need to first determine which overloads are applicable candidates. A candidate is applicab...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
... I've been using a solution from that issue report for months now and all of the sudden after updating to the latest support libraries and sdk 23 I've started getting this new report on crashlytics: java.lang.NoClassDefFoundError: android.support.v7.internal.view.menu.i
...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...
There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are s...
What are the differences between JSON and JSONP?
... This is usually used to allow for cross-site AJAX with JSON data. If you know that example.com is serving JSON files that look like the JSONP example given above, then you can use code like this to retrieve it, even if you are not on the example.com domain:
function func(json){
alert(json.name);...
How to configure XAMPP to send mail from localhost?
...ail-id@gmail.com
sendmail_path = "\"C:\xampp\sendmail\sendmail.exe\" -t"
Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code
[sendmail]
smtp_server=smtp.gmail.com
smtp_port=587
error_logfile=error.log
debug_logfile=debug.log
auth_username=my...
How can I find the number of days between two Date objects in Ruby?
...conds, such as this example
2.0.0-p195 :017 > a_date_time = DateTime.now
=> #<DateTime: 2013-12-31T12:23:03-08:00 ((2456658j,73383s,725757000n),-28800s,2299161j)>
2.0.0-p195 :018 > b_date_time = DateTime.now-20
=> #<DateTime: 2013-12-11T12:23:06-08:00 ((2456638j,73386s,699...
Significant new inventions in computing since 1980
...e form before, but the combination was obvious only in hindsight.
And I know for sure that you are using it right now.
share
edited Jan 11 '09 at 16:06
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