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Django database query: How to get object by id?
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All the confusion was caused because I am using Django's ORM as a standalone, so the namespace had to reflect that.
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Interface defining a constructor signature?
...ike what we would expect from an IDrawable.
If you need to pass more than one parameter to the MustInitialize constructor, you can create a class that defines properties for all of the fields you'll need to pass in.
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Check for installed packages before running install.packages() [duplicate]
...have an R script that is shared with several users on different computers. One of its lines contains the install.packages("xtable") command.
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Android Location Providers - GPS or Network Provider?
...te that there is also the Google Play Services Fused Locator provider that one can use.
– Richard Le Mesurier
Feb 21 '14 at 10:09
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How can I force users to access my page over HTTPS instead of HTTP?
I've got just one page that I want to force to be accessed as an HTTPS page (PHP on Apache). How do I do this without making the whole directory require HTTPS? Or, if you submit a form to an HTTPS page from an HTTP page, does it send it by HTTPS instead of HTTP?
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Lambda capture as const reference?
...his should be edited into the accepted answer? Either way, there should be one good answer that covers both c++11 and c++14. Although, I guess it could be argued that c++14 will be good enough for everyone over the coming years
– Aaron McDaid
Sep 7 '15 at 14:54...
How does the “this” keyword work?
...eter updates the ThisBinding whenever establishing an execution context in one of only three different cases:
1. Initial global execution context
This is the case for JavaScript code that is evaluated at the top-level, e.g. when directly inside a <script>:
<script>
alert("I'm evaluated...
Vertically align an image inside a div with responsive height
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I don't see how that can happen from the CSS i mentioned. Please provide a working sample i can see so i can improve my answer. PS: I also provided another solution :)
– Tibos
Aug 30 '13 at 15:16
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Django set field value after a form is initialized
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@Josh, here is one scenario of the need: use a form to validate input -> processing with the input -> processing done -> erase/modify several fields of the form and render to HTML as response. Example, there are 'name', 'email', 'c...
JRuby on Rails vs. Ruby on Rails, what's difference?
...The main difference you should care about esp. in web-applications such as ones built with Rails is true concurrency ("Global Interpreter Lock" free). When two threads are running (e.g. serving 2 user requests) with JRuby they are capable of running concurrently within a single process, while in MRI...