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Import module from subfolder
... What would the syntax be if previously Foo1 was in the parent directory and one coded something like from Foo1 import *. Is there a way to achieve that same effect so you don't have to prefix everything with Foo1?
– jxramos
Apr 12 '17 at 23:41
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Test if a vector contains a given element
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Both the match() (returns the first appearance) and %in% (returns a Boolean) functions are designed for this.
v <- c('a','b','c','e')
'b' %in% v
## returns TRUE
match('b',v)
## returns the first location of 'b', in this case: 2
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Get the last item in an array
...se
}
In the event that your server serves the same file for "index.html" and "inDEX.htML" you can also use: .toLowerCase().
Though, you might want to consider doing this server-side if possible: it will be cleaner and work for people without JS.
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Django : How can I see a list of urlpatterns?
...r settings like this:
INSTALLED_APPS = (
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'django_extensions',
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)
And then, run this command in your terminal
./manage.py show_urls
For more information you can check the documentation.
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Make sure that the controller has a parameterless public constructor error
...have an additional constructor. I am now having issues with the resolution and not sure what to do to fix this. Is there an easy way to force it to grab the parameterless constructor or I am approaching this incorrectly?
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How to set custom header in Volley Request
... Here's another example (the snippet at the end of the page): developer.android.com/training/volley/request-custom.html. Class GsonRequest overrides method getHeaders() to return a Map with the header parameters you pass in the constructor.
– Juan José Melero Gómez
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How to have multiple CSS transitions on an element?
...is starts to get repetitive, so if you're going to be using the same times and timing functions across multiple properties it's best to go ahead and use the various transition-* properties instead of the shorthand:
transition-property: color, text-shadow;
transition-duration: .2s;
transition-timing...
How to retrieve all keys (or values) from a std::map and put them into a vector?
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Personally, I like the BOOST_FOREACH version because there is less typing and it is very explicit about what it is doing.
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Smart way to truncate long strings
...more sophisticated solution/library for truncating strings with JavaScript and putting an ellipsis on the end, than the obvious one:
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Iterate through options
...nt in HTML. This element represents a drop down list. I'm trying to understand how to iterate through the options in the <select> element via JQuery.
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