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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
I am trying to do authorization using JavaScript by connecting to the RESTful API built-in Flask . However, when I make the request, I get the following error:
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Tainted canvases may not be exported
...ther possible problem: if you're trying to export a canvas that contains a svg with a ForeignObject, some browsers will mark it as tainted.
– HairyFotr
Oct 7 '18 at 11:03
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Entity Attribute Value Database vs. strict Relational Model Ecommerce
...t categories with new attributes set would be generated, together with SQL scripts.
Such architecture seems to be the sweetspot in this case - flexible and performant at the same time.
The problem could be frequent use of ALTER TABLE in live environment. I'm using Postgres, so its MVCC and transac...
Pure JavaScript Graphviz equivalent [closed]
...:
var graphviz_text = ...;
document.body.innerHTML += Viz(graphviz_text, "svg");
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With CSS, use “…” for overflowed block of multi-lines
... not pure CSS; you have to add a few HTML elements. There's however no JavaScript required.
The ellipsis is right-aligned on the last line. This means that if your text isn't right-aligned or justified, there may be a noticable gap between the last visible word and the ellipsis (depending on the len...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...e new server, consider running:
./analyze_new_cluster.sh
Running this script will delete the old cluster's data files:
./delete_old_cluster.sh
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iTunes Connect: How to choose a good SKU?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" vie
Is there a REAL performance difference between INT and VARCHAR primary keys?
...) ENGINE=InnoDB;
Then, I filled 10 million rows in each table with a PHP script whose essence is like this:
$pdo = get_pdo();
$keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ];
for ($k = 0; $k < 10; $k++) {
for ($j = 0; $j <...
How to get ERD diagram for an existing database?
... can use dbeaver to do this. It allows you to export the ER diagram as png/svg etc.
DBeaver - https://dbeaver.io/
Double click on a schema (eg, Schemas->public->Tables) and open the "ER Diagram" tab (next to "Properties" tab)
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Is it worth using Python's re.compile?
... out of setup? It's all about where you want to measure. If I run a python script numerous times, it would have the import re time hit. When comparing the two it is important to separate the two lines for timing. Yes as you say it is when you will have the time hit. The comparison shows that either ...