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Add a property to a JavaScript object using a variable as the name?
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@ArthurTarasov: ECMAScript 6 is more formally called ECMAScript 2015 ("ES2015") aka ECMAScript 6th edition ("ES6"). It's the specification for JavaScript released June 2015. Since then we've had ES2016 and soon we'll have ES2017, they're on a yearly cycle now.
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Add a column to a table, if it does not already exist
I want to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query.
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Problems with Android Fragment back stack
...ay the android fragment backstack seems to work and would be most grateful for any help that is offered.
9 Answers
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Google Sheets API Setup · App Inventor 2 中文网
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2. Share the Google Sheets Document
3. Record Relevant Information
The Spreadsheet ID
The Sheet Name
The Grid ID
Note: If you are only going to read from the Google Sheets document, and not
edit or write data to the d...
How do I specify unique constraint for multiple columns in MySQL?
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For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns"
– Pakman
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How do I put hint in a asp:textbox
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The placeholder attribute
You're looking for the placeholder attribute. Use it like any other attribute inside your ASP.net control:
<asp:textbox id="txtWithHint" placeholder="hint" runat="server"/>
Don't bother about your IDE (i.e. Visual Studio) maybe not...
Convert a series of parent-child relationships into a hierarchical tree?
... I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
11 Ans...
Where can I find my Facebook application id and secret key?
...ed "My Applications" from which you can select an application to see its information.
You can also go straight here as well, which will list your apps on the left.
share
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How do I align views at the bottom of the screen?
...dOf="parent" />
</android.support.constraint.ConstraintLayout>
For reference, I will keep my old answer.
Before the introduction of ConstraintLayout the answer was a relative layout.
If you have a relative layout that fills the whole screen you should be able to use android:layout_al...
How to add custom method to Spring Data JPA
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You need to create a separate interface for your custom methods:
public interface AccountRepository
extends JpaRepository<Account, Long>, AccountRepositoryCustom { ... }
public interface AccountRepositoryCustom {
public void customMethod();
}
and...