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How to set the prototype of a JavaScript object that has already been instantiated?
...n set of rules. This is currently unresolved but at least it will be officially part of JavaScript's specification.
This question is a lot more complicated than it seems on the surface, and beyond most peoples' pay grade in regards to knowledge of Javascript internals.
The prototype property of an...
Converting an array to a function arguments list [duplicate]
...
Yes. In current versions of JS you can use:
app[func]( ...args );
Users of ES5 and older will need to use the .apply() method:
app[func].apply( this, args );
Read up on these methods at MDN:
.apply()
spread "..." operator (not to be confused with the related re...
Django Reverse with arguments '()' and keyword arguments '{}' not found
...m django.test import Client
from django.core.urlresolvers import reverse
#app name - name of the app where the url is defined
client= Client()
response = client.get(reverse('app_name:edit_project', project_id=4))
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社交电商创业钱途如何？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...阿里妈妈联盟，线下商家等各种合作，而现在的兴趣社交APP仍然采取的是广告这种赢利方式。虽然辣妈帮在母婴社交后做了一个母婴商城，但用户聚集在这个APP里面是纯粹为了某些兴趣来交流的，并不是为了来购物，像辣妈帮这...
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...iables will not be set (so you'll need to set them in ~/.bash_profile). Finally, this doesn't seem to work for PATH on El Capitan and Sierra. That needs to be set via 'launchctl config user path ...' and in /etc/paths.
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How to get device make and model on iOS?
... if I have an iPhone 3GS vs. and iPhone 4 vs. an iPhone 4S (in actuality, all I really want to do is determine if I have a 3G or not, because I'm doing fairly graphics intensive stuff) .
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How to select where ID in Array Rails ActiveRecord without exception
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If it is just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_id...
Is it possible to add an HTML link in the body of a MAILTO link [duplicate]
...-link it either before sending, or at the other end when receiving.
For really long urls that will likely wrap due to all the parameters, wrap the link in a less than/greater than symbol. This tells the email client not to wrap the url.
e.g.
<http://www.example.com/foo.php?this=a&really...
What is NSZombie?
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It's a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an object reaches retain count 0, rather than being deallocated it morphs itself into an NSZombie instance. Whenever such a zombie receives a message, it logs a warning rather ...