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How to customize a Spinner in Android

... adapter like as Spinner spinner = (Spinner) findViewById(R.id.spinner1); String[] years = {"1996","1997","1998","1998"}; ArrayAdapter<CharSequence> langAdapter = new ArrayAdapter<CharSequence>(getActivity(), R.layout.spinner_text, years ); langAdapter.setDropDownViewResource(R.layout.s...
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How to use GROUP BY to concatenate strings in MySQL?

...n_group-concat From the link above, GROUP_CONCAT: This function returns a string result with the concatenated non-NULL values from a group. It returns NULL if there are no non-NULL values. share | ...
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Differences between numpy.random and random.random in Python

...nd any evidence to the contrary). The numpy.random library contains a few extra probability distributions commonly used in scientific research, as well as a couple of convenience functions for generating arrays of random data. The random.random library is a little more lightweight, and should be fi...
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How do I change the background color of a plot made with ggplot2

...m theme, based on theme_gray but with some of your changes and a few added extras including control of gridline colour/size (more options available to play with at ggplot2.org): theme_jack <- function (base_size = 12, base_family = "") { theme_gray(base_size = base_size, base_family = base_f...
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pg_config executable not found

... I need the extra brew link postgresql – vincentlcy Mar 10 '16 at 8:56 1 ...
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How to use GROUP_CONCAT in a CONCAT in MySQL

.... I always use this separator, because it's impossible to find it inside a string, therefor it's unique. There is no problem having two A's, you identify only the value. Or you can have one more colum, with the letter, which is even better. Like this : SELECT id,GROUP_CONCAT(DISTINCT(name)), GROUP_...
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How to get last inserted id?

... string insertSql = "INSERT INTO aspnet_GameProfiles(UserId,GameId) VALUES(@UserId, @GameId)SELECT SCOPE_IDENTITY()"; int primaryKey; using (SqlConnection myConnection = new SqlConnection(myConnectionString)) { myCon...
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Square retrofit server mock for testing

...Service; } } IRestService.java public interface IRestService { String ENDPOINT = "http://www.vavian.com/"; @GET("/") Call<Teacher> getTeacherById(@Query("id") final String id); } FakeInterceptor.java public class FakeInterceptor implements Interceptor { // FAKE RES...
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How to add a button to a PreferenceScreen?

...reference android:title="Acts like a button" android:key="@string/myCoolButton" android:summary="This is a cool button"/> Then for the java in your onCreate() Preference button = findPreference(getString(R.string.myCoolButton)); button.setOnPreferenceClickListen...
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Visual Studio window which shows list of methods

... You will find "Options" in the menu under "Extras". – ohgodnotanotherone Sep 4 '17 at 8:43 ...