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Serializing class instance to JSON
... a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit th...
Fastest way to count exact number of rows in a very large table?
...nly speculate. Does the db maintenance process find out that there are 42,123,876 rows in table A and then create 42,123,876 empty rows in table B, and then loop through table A and update the rows in table B...? Or is it crazier than that? ;-)
– Tony Andrews
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How to linebreak an svg text within javascript?
...foreignObject to embed html</h1>
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 300 300"
x="0" y="0" height="300" width="300"
>
<circle
r="142" cx="150" cy="150"
fill="none" stroke="#000000" stroke-width="2"
/>...
RESTful Authentication
...it can be achieved, in the SOA over HTTP world via:
HTTP basic auth over HTTPS;
Cookies and session management;
Token in HTTP headers (e.g. OAuth 2.0 + JWT);
Query Authentication with additional signature parameters.
You'll have to adapt, or even better mix those techniques, to match your softwa...
Shared-memory objects in multiprocessing
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
RESTful Alternatives to DELETE Request Body
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Convert javascript array to string
... blkstr.push(str);
});
console.log(blkstr.join(", "));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
(output will appear in the dev console)
As Felix mentioned, each() is just iterating the array, nothing more.
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Which letter of the English alphabet takes up most pixels?
... a ratio form (W = 100) captured here using this particular example font:
https://gist.github.com/imaurer/d330e68e70180c985b380f25e195b90c
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Python - Create a list with initial capacity
...0x slower than other languages due to Python features like decorators etc (https://wiki.python.org/moin/PythonSpeed/PerformanceTips#Data_Aggregation#Data_Aggregation).
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
I have installed OpenSSL 64. I want to use a certificate for my nodejs https server. I ran the following command:
7 Answers...