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Javascript - sort array based on another array
...oduct1, product2) => { const index1 = manualSort.indexOf(product1.id); const index2 = manualSort.indexOf(product2.id); return ( (index1 > -1 ? index1 : Infinity) - (index2 > -1 ? index2 : Infinity) ); });
– Freshollie
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jQuery find events handlers registered with an object
...ent of a button. In the Chrome console it showed handler: function () { inside the click property. I had to double click on the function part for it to expand and show the full contents of the function.
– Jim
Feb 9 '15 at 10:34
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Set padding for UITextField with UITextBorderStyleNone
...by doing that
let paddingView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 5, height: 20))
textField.leftView = paddingView
textField.leftViewMode = .always
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When to use a key/value store such as Redis instead/along side of a SQL database?
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I did a quick Google search with that tutorial site URL and came across this as a top hit - slideshare.net/dvirsky/introduction-to-redis-version-2
– Paul
Nov 19 '13 at 15:19
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In pure functional languages, is there an algorithm to get the inverse function?
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In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes the pr...
Is it valid to have a html form inside another html form?
Is it valid html to have the following:
14 Answers
14
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How to read values from properties file?
...n define a bean with properties, inject and process it manually:
<bean id="myProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>classpath*:my.properties</value>
</list&g...
Is is possible to check if an object is already attached to a data context in Entity Framework?
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Here's what I ended up with, which works very nicely:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
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GROUP_CONCAT comma separator - MySQL
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Query to achieve your requirment
SELECT id,GROUP_CONCAT(text SEPARATOR ' ') AS text FROM table_name group by id;
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What is Normalisation (or Normalization)?
...y to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normalization levels from 1. no...