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How to log first n lines of a stack trace in Java?
Is there a way to easily insert today's date when editing a file in VS Code?
Ansible's extract filter is supposedly made for use in map, but at the time of writing the documentation doesn't actually show how to use it together with the map filter. The following outputs VAR...
Note: I have limited experience with PostgreSQL, but extensive experience working with SQL Server, so not everything below might apply to PostgreSQL. I have a large and complex PostgreSQL query ...
Turns out I wasn't far off. The dictionary mustn't be quoted. So the following works: - name: Extraction test vars: dictionary: one: 1 two: 2 key_list: - one ...
In JSON Schema one can use the additionalProperties key to validate properties whose names are not know. You can still impose restrictions on their type. How to do this in an Ansible role argument...
I need to do a lot of calculations involving sets. There are relatively few values in the "universe" of candidates that could appear in any of the sets, but potentially very many such sets (they mi...
First store the universe of potential elements as a sequence, then encode each set as an unsigned integer interpreted as follows: if the 1s bit in binary is set (1), the set contains the 0th elemen...
I believe one of the main strengths of Q&A websites is that they provide a more digestible alternative to dense documentation. Especially for programmers who do not yet know how to find/use th...
Apparently there just isn't an equivalent of additionalProperties in Ansible. The way around this is to break the dictionary argument into a list of key/value pairs: argument_specs: main: ...
the answer is incredibly long It really isn't - though it might look that way because of the extensive use of large font headlines. I think it is a good answer - there's no problem in discussi...
I'm trying to replace Flot.js with Chart.js. In my application, Flot.js is included as a normal JavaScript file, like so: <script language="javascript" type="text/javascript" src="jquery.flot-...
Best I could do was: cd /foo/bar && code --new-window . && code baz.txt The cd is not necessary but makes the command cleaner. I would still like to know if there's a cleaner wa...
How to delete a local git branch which hasn't been pushed to anywhere, and only exists locally?
There may be a better way to handle this but this eventually worked for me. It's necessary to add quote: true below each field name with a dash. E.g.: tables: - name: my_table ...
I see that Klutt has explained why integers should be used, but there is more that the programmer must keep in mind. Consider the number of bits the integer needs. For US currency, you'd use cent...
I was trying to show transition on activity changes. I had followed two method from SO. I lost those link so I can't add them here. My first method was I had used overridePendingTransition on onCr...
I was installing Java yesterday. I had faced lot of problem. I had fixed most of them. But I had changed Hash that's what I think. I don't remember which command I had executed since I had executed...
I have a .html file containing only the following data, and I keep that file on top of my website's directory. <link rel="stylesheet" href="./css/mobile_general_structure.css"></link> ...
I have a simple HTML-PHP-CSS contact form (no JavaScript) with an input type="url" field. Currently in 30/03/2021, the default behavior of input type="url" (by W3C design I guess) is to obligate t...
I consider to make my website's contact form totally javascriptless (only HTML-PHP-CSS --- no JavaScript at all). No modals or alerts No prevent default No AJAX/AJAX/XHR/JHR No form disappear...
I wanted to print to browser console the number of li list items of a given ul list. This didn't work (console output was undefined): console.log(document.querySelectorAll(".example").length); ...
I develop an HTML-CSS-JavaScript-PHP contact form and I have a large HTML file which is very long and very wide (lots of horizontal scrolling due to nesting) and it's hard for me personally to work...
When documenting a struct with attributes, where does the docstring go? Before or after the attribute(s)? Option 1: /// Does it go here? #[derive(Deserialize, Debug)] pub struct Metadata { ...
According to this article: Since encryption is two-way, the data can be decrypted so it is readable again. Hashing, on the other hand, is one-way, meaning the plaintext is scrambled into a uniqu...
