History lesson. There was a time when the Web did not dominate the Internet. An organisation with a domain (e.g. my university, aston.ac.uk) would typically have several hostnames set up for various services: gopher.aston.ac.uk (Gopher is a precursor to the World-wide Web), news.aston.ac.uk (for NNTP Usenet), ftp.aston.ac.uk (FTP – including anonymous FTP archives). They were … Read more
That’s a bit simpler. RewriteEngine On RewriteCond %{HTTPS} off [OR] RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC] RewriteRule ^(.*)$ https://www.domain.com/$1 [L,R=301]
If you have CSP directives specified both in a Content-Security-Policy HTTP header and in a meta element, the browser uses the most-restrictive CSP directives, wherever specified. See the details on multiple polices at https://w3c.github.io/webappsec-csp/#multiple-policies and details on using the meta element at https://w3c.github.io/webappsec-csp/#meta-element: A policy specified via a meta element will be enforced along with … Read more
You are running into a few obstacles: 1) When you print through the OS installed printer driver, the printer driver is trying to take the data that is sent to it and (re)rasterize or scale it for the output device (the Zebra printer). Since the printer is a relatively low resolution at 203dpi, then it … Read more
I had a similar problem where ViewChild component is undefined in onInit() method. This fixed the issue: // Ensure Change Detection runs before accessing the instance @ContentChild(‘foo’, { static: false }) foo!: ElementRef; // If you need to access it in ngOnInit hook @ViewChild(TemplateRef, { static: true }) foo!: TemplateRef;
add box-shadow: 0 0 1px 0px white inset, 0 0 1px 0px white; that will give you the anti-aliasing you’re looking for.
I recently came across Google Refine (now OpenRefine) – it’s not a service for validating CSV files, it’s a tool you download locally, but it does provide a lot of tools for working with data and detecting anomalies. As mentioned in a reply, “CSV” has become an ill-defined term, principally because people don’t follow the … Read more
pk is the attribute that contains the value of the primary key for the model. id is the name of the field created as a primary key by default if none is explicitly specified.
To prevent CSRF you need a value that is submitted with the request that cannot be sent by a malicious site. Authentication cookies are not suitable because if an attacker can make the browser send a request to the victim site, the cookies will automatically be submitted. For example, by submitting a form via JavaScript … Read more
I create my class websites using org-mode. Example: http://cse3521.artifice.cc/ That site involves regular text, code, math, flash/image embeds, tables, etc. Source code is available here: https://github.com/joshuaeckroth/cse3521-website