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Is there a REAL performance difference between INT and VARCHAR primary keys?
...a natural key instead of a surrogate key. Only you can assess if the benefit of this is significant in your application.
That is, you can measure the queries in your application that are the most important to be speedy, because they work with large volumes of data or they are executed very frequ...
django admin - add custom form fields that are not part of the model
I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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How to inflate one view with a layout
I have a layout defined in XML. It contains also:
14 Answers
14
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Git fetch remote branch
My colleague and I are working on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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Get last element of Stream/List in a one-liner
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It is possible to get the last element with the method Stream::reduce. The following listing contains a minimal example for the general case:
Stream<T> stream = ...; // sequential or parallel stream
Optional<T> l...
What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
...ifference between the two. When I used both they seem to break the word if it is not fitting the container. But why did W3C made two ways to do it?
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How do I restart a WPF application? [duplicate]
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I found this:
It works.
But.
Is there any better way?
System.Diagnostics.Process.Start(Application.ResourceAssembly.Location);
Application.Current.Shutdown();
sh...
Android: Access child views from a ListView
I need to find out the pixel position of one element in a list that's been displayed using a ListView . It seems like I should get one of the TextView's and then use getTop() , but I can't figure out how to get a child view of a ListView .
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Service vs IntentService in the Android platform
I am seeking an example of something that can be done with an IntentService that cannot be done with a Service (and vice-versa)?
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How to remove the border highlight on an input text element
..., many browsers (at least Safari and Chrome) will put a blue border around it.
17 Answers
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