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Android: How to bind spinner to custom object list?
...Spinner the usual way
Define 2 equal size arrays in your array.xml file -- one array for labels, one array for values
Set your Spinner with android:entries="@array/labels"
When you need a value, do something like this (no, you don't have to chain it):
String selectedVal = getResources().getStri...
Dynamic variable names in Bash
... arrays; as such this was a life saver. ${!...} not easy to google on that one. I assume it just expands a var name.
– Neil McGill
Jan 15 '15 at 22:37
12
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bash/fish command to print absolute path to a file
...uld rather use '-f' instead of '-e' so that we can see absolute path of a nonexistent file.
– hluk
Oct 12 '10 at 14:54
5
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Type erasure techniques
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All type erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
struct vtable...
Where do the Python unit tests go?
...ule.py (at the same level as the code directory).
In tests/test_module.py (one level under the code directory).
I prefer #1 for its simplicity of finding the tests and importing them. Whatever build system you're using can easily be configured to run files starting with test_. Actually, the defaul...
Connect different Windows User in SQL Server Management Studio (2005 or later)
...of SSMS, but at least you could connect as different windows users in each one.
For example: runas /netonly /user:domain\username ssms.exe
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How should I use Outlook to send code snippets?
... style and select your formatting you want, in the Format options there is one option for Language, here you can specify the language and specify whether you want spell checker to ignore the text with this style.
With this style you can now paste the code as text and select your new style. Outlook ...
Ship an application with a database
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There are two options for creating and updating databases.
One is to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of tables and other components. Upgrades...
What are the benefits of Java's types erasure?
...er. There is a fairly consistent message with even just the excerpts mentioned thus far:
It's funny when Java users complain about type erasure, which is the only thing Java got right, while ignoring all the things it got wrong.
I get huge benefits (e.g. parametricity) and nil cost (alleged cost i...
Convert a string to an enum in C#
...:
StatusEnum MyStatus = EnumUtil.ParseEnum<StatusEnum>("Active");
One option suggested in the comments is to add an extension, which is simple enough:
public static T ToEnum<T>(this string value)
{
return (T) Enum.Parse(typeof(T), value, true);
}
StatusEnum MyStatus = "Active".T...