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Rails 3 - can't install pg gem
...g= 'PATH_TO_YOUR_PG_CONFIG'
If you are not sure where your pg_config is, and assuming you are on Linux or Mac, you can run the following command:
which pg_config
Your pg-config can be in different locations depending on how you installed postgres.
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How to change position of Toast in Android?
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From the documentation,
Positioning your Toast
A standard toast notification appears near the bottom of the screen,
centered horizontally. You can change this position with the
setGravity(int, int, int) method. This accepts three parameters: a
Gravity constant, an x-pos...
The 'packages' element is not declared
...e, not just only for nuget). But since the file is auto-generated is safe (and only used by nuget - which handles the XML just fine) it is perfectly fine to ignore the warnings.
– Joel
Sep 24 '14 at 11:54
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Checking if an object is a given type in Swift
I have an array that is made up of AnyObject . I want to iterate over it, and find all elements that are array instances.
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Descending order by date filter in AngularJs
So the book comes from rest api and it has many readers attached. I want to get the 'recent' reader.
9 Answers
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How do I bind a WPF DataGrid to a variable number of columns?
...ableColumnsPropertyChanged: 1. Check dataGrid for null before accessing it and throw an exception with good explanation about binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince.
– M...
Difference between
What is the difference between List<? super T> and List<? extends T> ?
14 Answers
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Design Patterns: Abstract Factory vs Factory Method
...ctory as it can create various related database objects such as connection and command objects.
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Laravel - Eloquent or Fluent random row
How can I select a random row using Eloquent or Fluent in Laravel framework?
15 Answers
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What’s the best way to check if a file exists in C++? (cross platform)
... platform) , but I'm wondering if there is a better way to do this using standard c++ libs? Preferably without trying to open the file at all.
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