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Sequence contains no elements?

...point on that line, or a Debug.Print before it, in both cases and see what ID contains. share | improve this answer | follow | ...
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Rails auto-assigning id that already exists

... Rails is probably using the built-in PostgreSQL sequence. The idea of a sequence is that it is only used once. The simplest solution is to set the sequence for your company.id column to the highest value in the table with a query like this: SELECT setval('company_id_seq', (SELECT max(...
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.Contains() on a list of custom class objects

... You need to implement IEquatable or override Equals() and GetHashCode() For example: public class CartProduct : IEquatable<CartProduct> { public Int32 ID; public String Name; public Int32 Number; public Decimal CurrentPrice; public CartP...
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How to check existence of user-define table type in SQL Server 2008?

...pe. I want to check it's existence before editing in a patch using OBJECT_ID(name, type) function. 5 Answers ...
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Converting an array of objects to ActiveRecord::Relation

...jiSaini I’m unsure of the exact method you’re referring to, please provide doc or source link. Though, if it’s deprecated, not a very viable solution as it’ll likely go away soon. – Andrew Marshall Feb 14 '17 at 14:09 ...
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How can I shift-select multiple checkboxes like GMail?

... <head> </head> <body> <input type="checkbox" id="id_chk1" class="chkbox" value="1" />Check 1<br/> <input type="checkbox" id="id_chk2" class="chkbox" value="2" />Check 2<br/> <input type="checkbox" id="id_chk3" class="chkbox" value="3" /...
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Android getting value from selected radiobutton

... Tested and working. Check this import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.RadioButton; import android.widget.RadioGroup; import android....
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Clicking the text to select corresponding radio button

...you've got a label on the form itself. You want to put labels on each individual radio group, as shown below. <form> <p>What is my middle name?</p> <br> <input id="349" type="radio" value="1" name="question1"> <label for="349">Abe</label> ...
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Fragment is not being replaced but put on top of the previous one

...ically using FragmentTransaction. FragmentTransaction.replace expects the id of the container that contains the fragment and not the id of the fragment as the first parameter. So you should pass the first argument as the id of the container that you added the first fragment to. You can refer to ...
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Android Text over image

... That is how I did it and it worked exactly as you asked for inside a RelativeLayout: <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/relativelayout" android:layout_width="fill_par...