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Warn user before leaving web page with unsaved changes
...ontenteditable elements:
"use strict";
(() => {
const modified_inputs = new Set;
const defaultValue = "defaultValue";
// store default values
addEventListener("beforeinput", (evt) => {
const target = evt.target;
if (!(defaultValue in target || defaultValue in target.dataset)) {
...
Finding the id of a parent div using Jquery
...arent of the button.
The easiest of the two is probably the closest.
var id = $("button").closest("div").prop("id");
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How exactly to use Notification.Builder
...ompat.Builder API 1
This is a usage example.
Intent notificationIntent = new Intent(ctx, YourClass.class);
PendingIntent contentIntent = PendingIntent.getActivity(ctx,
YOUR_PI_REQ_CODE, notificationIntent,
PendingIntent.FLAG_CANCEL_CURRENT);
NotificationManager nm = (NotificationM...
Shortcuts in Objective-C to concatenate NSStrings
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@RobNapier:Now with the new array literal syntax, it is even better.
– Amogh Talpallikar
Jul 2 '13 at 7:12
28
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How to remove a column from an existing table?
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In SQL Server 2016 you can use new DIE statements.
ALTER TABLE Table_name DROP COLUMN IF EXISTS Column_name
The above query is re-runnable it drops the column only if it exists in the table else it will not throw error.
Instead of using big IF wrappe...
How can I know if a process is running?
... dev and I have never seen this style. Like they say, "you learn something new every day". Thank you for the post and the reply..
– MatthewD
Nov 25 '15 at 3:06
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Android - set TextView TextStyle programmatically?
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there is a new method for api 23+ that just doesn't take a context argument.
– MrPlow
Jun 30 '17 at 15:03
add a...
SSH Key - Still asking for password and passphrase
...1G you cannot, otherwise passwords wouldn't be secure... Just regenerate a new one.
– Simon Boudrias
May 28 '14 at 17:49
54
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Why use the SQL Server 2008 geography data type?
I am redesigning a customer database and one of the new pieces of information I would like to store along with the standard address fields (Street, City, etc.) is the geographic location of the address. The only use case I have in mind is to allow users to map the coordinates on Google maps when th...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...controller method, use [FromBody]
[HttpPost]
public IActionResult NewBranch([FromBody]IEnumerable<Thing> things)
{
return Ok();
}
Failures include:
Naming the content
data: { content: nodes }, // Server error 500
Not having the contentType = Server error 500
Not...