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What's the difference between ES6 Map and WeakMap?
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From the very same page, section "Why Weak Map?":
The experienced JavaScript programmer will notice that this API could
be implemented in JavaScript with two arrays (one for keys, one for
values) shared by the 4 API m...
How to download a file from server using SSH? [closed]
I need to download a file from server to my desktop. (UBUNTU 10.04) I don't have a web access to the server, just ssh.
4 An...
Is it possible to make abstract classes in Python?
...ending upon your Python version.
In Python 3.4 and above, you can inherit from ABC. In earlier versions of Python, you need to specify your class's metaclass as ABCMeta. Specifying the metaclass has different syntax in Python 3 and Python 2. The three possibilities are shown below:
# Python 3.4+
f...
Loading/Downloading image from URL on Swift
I'd like to load an image from a URL in my application, so I first tried with Objective-C and it worked, however, with Swift, I've a compilation error:
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master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
...re pulling it (fetch + merge) (see also "How do you get git to always pull from a specific branch?")
When you have a message like:
"Your branch and 'origin/master' have diverged, # and have 1 and 1 different commit(s) each, respectively."
, check if you need to update origin. If origin is u...
Difference between getAttribute() and getParameter()
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getParameter() returns http request parameters. Those passed from the client to the server. For example http://example.com/servlet?parameter=1. Can only return String
getAttribute() is for server-side usage only - you fill the request with attributes that you can use within the same re...
What's the difference between $evalAsync and $timeout in AngularJS?
...xchanges with Misko.)
To summarize:
if code is queued using $evalAsync from a directive, it should run after the DOM has been manipulated by Angular, but before the browser renders
if code is queued using $evalAsync from a controller, it should run before the DOM has been manipulated by Angular ...
What is exactly the base pointer and stack pointer? To what do they point?
Using this example coming from wikipedia, in which DrawSquare() calls DrawLine(),
8 Answers
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Django: Get list of model fields?
I've defined a User class which (ultimately) inherits from models.Model . I want to get a list of all the fields defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class.
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PHP - how to best determine if the current invocation is from CLI or web server?
I need to determine whether the current invocation of PHP is from the command line (CLI) or from the web server (in my case, Apache with mod_php).
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