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Hibernate JPA Sequence (non-Id)
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This still requires the value to be generated by the database, which doesn't really answer the question. For Oracle databases prior to 12c, you would still need to write a database trigger to generate the value.
– Bernie
Jun 12 '14 ...
Can you require two form fields to match with HTML5?
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function check(input) {
if (input.value != document.getElementById('password').value) {
input.setCustomValidity('Password Must be Matching.');
} else {
// input is valid -- reset the error message
input.setCustomValidity('');
}
}
&...
Can someone explain collection_select to me in clear, simple terms?
...lt will be set as value
# as a result, every option will be generated by the following rule:
# <option value=#{author.id}>#{author.name_with_initial}</option>
# 'author' is an element in the collection or array
:prompt => true # then you can specify some params. You...
IBOutlet and IBAction
...ne a button and label in IB. To dynamically change the value of the label by pushing the button, you will define an action and property in your app similar to:
UILabel IBOutlet *myLabel;
- (IBAction)pushme:(id)sender;
Then in IB you would connect myLabel with the label and connect the pushme met...
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
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Should also have foreign_key: true and by the way, this is a great solution since it's the easiest to use when you have a migration file created with the rails generator model:references format
– Abram
Feb 14 '17 at 2:29
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Best way to get identity of inserted row?
...more clear.
@@IDENTITY returns the id of the last thing that was inserted by your client's connection to the database.
Most of the time this works fine, but sometimes a trigger will go and insert a new row that you don't know about, and you'll get the ID from this new row, instead of the one you wa...
Cannot change column used in a foreign key constraint
...FK constraint incorrectly formed when mysql tries to replace the old table by the new one. In such case, use the accepted answer.
– Xenos
Mar 27 at 9:42
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Chrome: timeouts/interval suspended in background tabs?
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I recently asked about this and it is behaviour by design. When a tab is inactive, only at a maximum of once per second the function is called. Here is the code change.
Perhaps this will help:
How can I make setInterval also work when a tab is inactive in Chrome?
TL;DR: ...
Are there conventions on how to name resources?
...ique ones (sometimes gets reused) get prefixed with generic ones separated by an underscore.
The underscore is one thing, I observed, for example:
Layout width is layout_width in xml and layoutWidth in code, so I try to stick to it as list_apple
So a Login button will be login, but if we have ...
Why can't radio buttons be “readonly”?
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I've faked readonly on a radio button by disabling only the un-checked radio buttons. It keeps the user from selecting a different value, and the checked value will always post on submit.
Using jQuery to make readonly:
$(':radio:not(:checked)').attr('disabled',...