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Combine two ActiveRecord::Relation objects
Suppose I have the following two objects:
8 Answers
8
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SQL Server: Is it possible to insert into two tables at the same time?
My database contains three tables called Object_Table , Data_Table and Link_Table . The link table just contains two columns, the identity of an object record and an identity of a data record.
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Android OnClickListener - identify a button
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You will learn the way to do it, in an easy way, is:
public class Mtest extends Activity {
Button b1;
Button b2;
public void onCreate(Bundle savedInstanceState) {
...
b1 = (Button) findViewById(R.id.b1);
b2 = (Button) findViewById(R.id.b2)...
how to use ng-option to set default value of select element
...ctive:select .
I can't figure how to set the default value. This is confusing:
12 Answers
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Find object in list that has attribute equal to some value (that meets any condition)
I've got list of objects. I want to find one (first or whatever) object in this list that has attribute (or method result - whatever) equal to value .
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SCOPE_IDENTITY() for GUIDs?
Can anyone tell me if there is an equivalent of SCOPE_IDENTITY() when using GUIDs as a primary key in SQL Server?
5 Answe...
How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
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Facebook database design?
...ures a composite primary key made up of the two foreign
keys, both pointing back to the user table. One ID will point to the
logged in user, the other ID will point to the individual friend
of that user)
Example Usage:
Table User
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UserID EmailAddress Password Gender ...
offsetting an html anchor to adjust for fixed header [duplicate]
I am trying to clean up the way my anchors work. I have a header that is fixed to the top of the page, so when you link to an anchor elsewhere in the page, the page jumps so the anchor is at the top of the page, leaving the content behind the fixed header (I hope that makes sense). I need a way to ...
How to transfer some data to another Fragment?
...er some data to another Fragment likewise it was done with extras for intents ?
10 Answers
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