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How do you get the “object reference” of an object in java when toString() and hashCode() have been
...says:
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Jav...
When to use Comparable and Comparator
...ou want comparing behaviour different from the default (which is specified by Comparable) behaviour.
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How can I define an interface for an array of objects with Typescript?
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You can define an interface with an indexer:
interface EnumServiceGetOrderBy {
[index: number]: { id: number; label: string; key: any };
}
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How to copy a row and insert in same table with a autoincrement field in MySQL?
... id=NULL may cause an error Column 'id' cannot be null. Should be replaced by UPDATE temp_table SET id = (SELECT MAX(id) + 1 as id FROM your_table);
– Modder
May 31 '17 at 15:41
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Trigger a button click with JavaScript on the Enter key in a text box
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Or in plain JavaScript, the following would work:
document.getElementById("id_of_textbox")
.addEventListener("keyup", function(event) {
event.preventDefault();
if (event.keyCode === 13) {
document.getElementById("id_of_button").click();
}
});
document.getElementBy...
What is the difference between Session.Abandon() and Session.Clear()
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@Ads I agree, although I would extend it by saying that Session.Clear can be compared to removing all books from the shelf immediately, while Session.Abandon is more like saying "throw away the whole shelf and let me know when you're done".
– W...
Is there an auto increment in sqlite?
...hat column points at (is an alias for) the automatic ROWID column.
ROWID (by whatever name you call it) is assigned a value whenever you INSERT a row, as you would expect. If you explicitly assign a non-NULL value on INSERT, it will get that specified value instead of the auto-increment. If you e...
include antiforgerytoken in ajax post ASP.NET MVC
...m this particular page has a sign that is prevented to send a fake request by hackers. so for this page to be authenticated by the server you should go through two steps:
1.send a parameter named __RequestVerificationToken and to gets its value use codes below:
<script type="text/javascript">...
How do I make a checkbox required on an ASP.NET form?
...l>" throws exception "Control <id-of-checkbox-control> referenced by ControlToValidate property cannot be validated." Which breaks the javascript, etc.
– Bob Kaufman
Aug 4 '09 at 16:17
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Copying files from Docker container to host
...rent running user. That is, the files in /artifacts will be shown as owned by the user with the UID of the user used inside the docker container. A way around this may be to use the calling user's UID:
docker run -i -v ${PWD}:/working_dir -w /working_dir -u $(id -u) \
ubuntu:14.04 sh << C...