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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...om source page from var section, see the code below):
And the form data content of the request (the HTTP method is "Post"):
And the content of response, which is a JSON file:
Which presents all the information I'm looking for.
From now, I must implement all this knowledge in scrapy. Let's ...
Select all contents of tm>ex m>tbox when it receives focus (Vanilla JS or jQuery)
What is a Vanilla JS or jQuery solution that will select all of the contents of a tm>ex m>tbox when the tm>ex m>tbox receives focus?
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How to make the corners of a button round?
...:
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:tm>ex m>tColor="#ffffff"
android:background="@drawable/mybutton"
android:tm>ex m>t="Buttons" />
...
Render HTML to PDF in Django site
...result)
if not pdf.err:
return HttpResponse(result.getvalue(), content_type='application/pdf')
return HttpResponse('We had some errors<pre>%s</pre>' % escape(html))
Then you can use it like this:
def myview(request):
#Retrieve data or whatever you need
return r...
The new syntax “= default” in C++11
...
A defaulted default constructor is specifically defined as being the same as a user-defined default constructor with no initialization list and an empty compound statement.
§12.1/6 [class.ctor] A default constructor that is defaulted and not defined as deleted is implicitly defined when it is ...
Shadow Effect for a Tm>ex m>t in Android? [duplicate]
...ndroid:id="@+id/txt_m>ex m>ample1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:tm>ex m>tSize="14sp"
android:tm>ex m>tStyle="bold"
android:tm>ex m>tColor="@color/light_font"
an...
Why historically do people use 255 not 256 for database field magnitudes?
You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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Autolayout - intrinsic size of UIButton does not include title insets
...e a UIButton arranged using autolayout, its size adjusts nicely to fit its content.
12 Answers
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Is std::vector copying the objects with a push_back?
After a lot of investigations with valgrind, I've made the conclusion that std::vector makes a copy of an object you want to push_back.
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Javascript callback when IFRAME is finished loading?
...a callback when an IFRAME has finished loading. I have no control over the content in the IFRAME, so I can't fire the callback from there.
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