It is well recognized that long routines with a lot of nesting can create code that is difficult to read. Even if indented correctly, it is hard over many lines to accurately match the indent amount, particularly if indented a lot. Read the rest of this entry »
In making a simple authentication service, I ran into a myriad of strange, incomprehensible requirements that someone obviously through was a good security idea, but essentially misses the mark, has all the marks of “design by committee,” and makes everything else difficult. I am recording them here, because this seems like the kind of thing I am going to need to refer back to.
This is a suggestion for how to design the JSON/REST protocol between the Angular application and the server, to handle creation of items easily and conveniently. Use a special ID value to indicate that the object does not exist on the server, and update like normal. The server detects this and creates it on demand. Read the rest of this entry »
In this post, I lay out the reason that you should always transfer dates in a JSON/REST API as an integer epoch value: the number of milliseconds since Jan 1, 1970. If you think it should be anything else, please read on….
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This post is for authors who choose a publisher who likes to use LaTeX for layout, and want to make changes to the marked up source directly. It is quite easy to edit LaTeX files, as long as you just know a few things to avoid. Here is the minimum you need to know to be effective at editing the content. Read the rest of this entry »
While typesetting a travel diary, I wanted to include place names in their local language using their local script. The book is written entirely in English, and have only a standard text editor, without any exotic script support. I can look up the local name of the city online, but cutting and pasting can be a challenge, here is how to do it. Read the rest of this entry »
The past two posts covered parsing the address parameters, and generating a new address with changed parameter values. It turns out that links from a page to the same page are suppressed, unless you include the code below. Read the rest of this entry »