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Add unique constraint to combination of two columns
I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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Count immediate child div elements using jQuery
I have the following HTML node structure:
12 Answers
12
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How do I add a margin between bootstrap columns without wrapping [duplicate]
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You should work with padding on the inner container rather than with margin. Try this!
HTML
<div class="row info-panel">
<div class="col-md-4" id="server_1">
<div class="server-action-menu">
Server 1
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
I am currently making an app that will have multiple timers, which are basically all the same.
4 Answers
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how to exclude null values in array_agg like in string_agg using postgres?
... use array_agg to collect names, I get my names separated by commas, but in case there is a null value, that null is also taken as a name in the aggregate. For example :
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Using a custom typeface in Android
I want to use a custom font for my android application which I am creating.
I can individually change the typeface of each object from Code, but I have hundreds of them.
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How to call multiple JavaScript functions in onclick event?
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onclick="doSomething();doSomethingElse();"
But really, you're better off not using onclick at all and attaching the event handler to the DOM node through your Javascript code. This is known as unobtrusive javascript.
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Remove items from one list in another
I'm trying to figure out how to traverse a generic list of items that I want to remove from another list of items.
9 Answer...
Manually map column names with class properties
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This works fine:
var sql = @"select top 1 person_id PersonId, first_name FirstName, last_name LastName from Person";
using (var conn = ConnectionFactory.GetConnection())
{
var person = conn.Query<Person>(sql).ToList();
ret...
How do I remove an array item in TypeScript?
I have an array that I've created in TypeScript and it has a property that I use as a key. If I have that key, how can I remove an item from it?
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