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How can a Java program get its own process ID?
How do I get the id of my Java process?
22 Answers
22
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How do I add indices to MySQL tables?
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ALTER TABLE `table` ADD INDEX `product_id_index` (`product_id`)
Never compare integer to strings in MySQL. If id is int, remove the quotes.
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Cannot change column used in a foreign key constraint
... WRITE;
ALTER TABLE favorite_food
DROP FOREIGN KEY fk_fav_food_person_id,
MODIFY person_id SMALLINT UNSIGNED;
Now you can change you person_id
ALTER TABLE person MODIFY person_id SMALLINT UNSIGNED AUTO_INCREMENT;
recreate foreign key
ALTER TABLE favorite_food
ADD CONSTRAINT fk_fa...
css label width not taking effect
...e to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
6 A...
How do I update/upsert a document in Mongoose?
...goose does not support these hooks with this method:
defaults
setters
validators
middleware
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How to change color of Android ListView separator line?
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You can set this value in a layout xml file using android:divider="#FF0000". If you are changing the colour/drawable, you have to set/reset the height of the divider too.
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_c...
Chrome: timeouts/interval suspended in background tabs?
...ke the timeouts have been running a lot slower. Tested in FF4 or IE9 this didn't occur.
6 Answers
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How to change the style of alert box?
...>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>jQuery UI Dialog - Default functionality</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link rel="sty...
Why can't radio buttons be “readonly”?
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Among the solutions below, this solution provides the cleanest code, and works well with Jquery validator since I do not need to enable/disable fields, or deal with unbinding click events and re-binding them when submitting the form.
– Kristianne N...
prevent property from being serialized in web API
...] to ignore property for serialization:
public class Foo
{
public int Id { get; set; }
public string Name { get; set; }
[JsonIgnore]
public List<Something> Somethings { get; set; }
}
But, this way does not support XML format. So, in case your application has to support XML ...