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How do I execute inserts and updates in an Alembic upgrade script?
...
What you are asking for is a data migration, as opposed to the schema migration that is most prevalent in the Alembic docs.
This answer assumes you are using declarative (as opposed to class-Mapper-Table or core) to define your models. It shoul...
How to change the style of alert box?
...c the alert() functionality. The jQuery UI Dialogue does a lot of the work for you, working basically as I have described: Link.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1"&...
URL rewriting with PHP
...([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it gets asked a URL matching the regular expression it rewrites it internally to what you want, without the end user seeing it. Easy, but inflexible, so if you need more power:
The PHP route
Put the ...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
...in this case an mvc controller function) should NEVER trust a client, therefore the XSS check should be done at the server. The controller is responsible for parsing the data in the correct way and send the data back to the caller (webapp). The caller could also be something like fiddler, or postman...
How to select a drop-down menu value with Selenium using Python?
...you might have to use the more obtuse "xpath" version if the author of the form has not properly setup a select HTML element. If simply using input fields, xpath should work.
– Matthew
Dec 28 '17 at 21:08
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Scroll to a div using jquery
...the div at the bottom of the page you have contacts. I removed the final s for the code sample. (you also misspelled the projectslink id in the sidebar).
Second, take a look at some of the examples for click on the jQuery reference page. You have to use click like, object.click( function() { // Yo...
How do you add an in-app purchase to an iOS application?
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Swift Users
Swift users can check out My Swift Answer for this question.Or, check out Yedidya Reiss's Answer, which translates this Objective-C code to Swift.
Objective-C Users
The rest of this answer is written in Objective-C
App Store Connect
Go to appstoreconnect.apple.com a...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...rer will no longer accept custom parameters and facebook will
pull the information that is being displayed in the preview the same
way that it would appear on facebook as a post from the url OG meta
tags.
Use dialog/feeds instead of sharer.php
https://www.facebook.com/dialog/feed?
app_id=...
ERROR: permission denied for sequence cities_id_seq using Postgres
...se:
GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www;
GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with:
GRANT USAGE, SELECT ON ...
What is ViewModel in MVC?
...ts the data that you want to display on your view/page, whether it be used for static text or for input values (like textboxes and dropdown lists) that can be added to the database (or edited). It is something different than your domain model. It is a model for the view.
Let us say that you have an...