Registered since September 28th, 2017
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Tag selected: properly.
Saved by uncleflo on January 6th, 2019.
In 2000, the International Standards Organization adopted ISO Standard 12233: Photography -- Electronic still-picture cameras - Resolution measurements for the measurement of camera resolution. This standard is protected by copyright, but the design of the associated test chart seems not to be protected; its description has been available on the Web in an Excel spreadsheet. I have semi-manually converted this to an Adobe Illustrator file which is displayed here. In 2014 and again in 2017, the ISO revised the standard and the chart below was replaced by several new ones. Those new charts are not available here. In principle, you should be able to print this chart and perform resolution tests on your camera. The reality isn't that simple; there are lots of subtleties having to do with focus distance, quality and contrast of your printer, evenness of illumination, surface reflections, etc.
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Saved by uncleflo on September 14th, 2018.
If you have carefully reviewed our “9 Essential Features for the Cruising Catamaran” you are now armed with the things to look for in a catamaran design. Our evaluation of the designers and their designs is from the point of view of the home builder. This means we are looking at the boats that can be readily built by an individual or husband/wife team. As Richard Woods says in his literature, “Boats of over 40 feet should not be built by the solo home builder because they just take too long. Life is too short,” and I would agree. The boatyards and backyards of the world are littered with uncompleted boats which have simply overwhelmed their builders. The comments that follow may be a little candid but they are based on our boat- building experience. All the boats described below, if built properly, are ocean-going boats. Our ratings of these designers are not an evaluation on whether their designs are good or bad, but more on their suitability for you building the design as a solo home builder. Some of their larger designs may also be good projects only if you are going to have the boat custom built for you or if you have hired help assisting you in your project.
Saved by uncleflo on May 9th, 2018.
I'm setting up a new server, and want to support UTF-8 fully in my web application. I have tried in the past on existing servers and always seem to end up having to fall back to ISO-8859-1. Where exactly do I need to set the encoding/charsets? I'm aware that I need to configure Apache, MySQL and PHP to do this - is there some standard checklist I can follow, or perhaps troubleshoot where the mismatches occur? This is for a new Linux server, running MySQL 5, PHP 5 and Apache 2.
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Saved by uncleflo on January 20th, 2015.
This article provides a simple positive model for preventing XSS using output escaping/encoding properly. While there are a huge number of XSS attack vectors, following a few simple rules can completely defend against this serious attack. This article does not explore the technical or business impact of XSS. Suffice it to say that it can lead to an attacker gaining the ability to do anything a victim can do through their browser. Both reflected and stored XSS can be addressed by performing the appropriate validation and escaping on the server-side. DOM Based XSS can be addressed with a special subset of rules described in the DOM based XSS Prevention Cheat Sheet. For a cheatsheet on the attack vectors related to XSS, please refer to the XSS Filter Evasion Cheat Sheet. More background on browser security and the various browsers can be found in the Browser Security Handbook.
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