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Implementing comparison operators via 'tuple' and 'tie', a good idea?
...uff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first and what second exactly was, especially if they are both of th...
Check synchronously if file/directory exists in Node.js
...t the top, followed by the various answers over the years in chronological order:
Current Answer
You can use fs.existsSync():
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
It was deprecated for several years, but no longer is. F...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...ROM pg_tables WHERE NOT schemaname IN ('pg_catalog', 'information_schema')
ORDER BY schemaname, tablename;
Sequences
SELECT 'ALTER SEQUENCE '|| sequence_schema || '.' || sequence_name ||' OWNER TO my_new_owner;'
FROM information_schema.sequences WHERE NOT sequence_schema IN ('pg_catalog', 'inform...
Matplotlib discrete colorbar
...e description of each category : 1 (blue) is Sea; 2 (red) is burnt, etc... Order should be respected here ! Or using another dict maybe could help.
labels = np.array(["Sea","City","Sand","Forest"])
len_lab = len(labels)
# prepare normalizer
## Prepare bins for the normalizer
norm_bins = np.sort([*c...
In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
...(according to the documentation) one cannot make any assumptions about the order of the addresses. So it may well be some internal network (like the network on which virtual machines are living). The other method seems good.
– Adam Ryczkowski
Sep 23 '14 at 23:2...
Is using a lot of static methods a bad thing?
...to the class to find its dependencies and initialise things in the correct order. In this case, it needs the ResourceLoader to be initialised before running. Now scale up this dependency nightmare and you can probably guess what will happen. Imagine trying to maintain code where there is no expli...
How to check if two arrays are equal with JavaScript? [duplicate]
...if (a.length !== b.length) return false;
// If you don't care about the order of the elements inside
// the array, you should sort both arrays here.
// Please note that calling sort on an array will modify that array.
// you might want to clone your array first.
for (var i = 0; i < a....
How does a hash table work?
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Each bucket can have multiple records which are organized in a particular order.
Real World Example:
Hash & Co., founded in 1803 and lacking any computer technology had a total of 300 filing cabinets to keep the detailed information (the records) for their approximately 30,000 clients. Each...
Spring Boot application as a Service
...
For a proper boot sequence you might want to add ordering statements to the [Unit] section, e.g. After=mysql.service, Before=apache2.service.
– rustyx
Jan 25 at 9:41
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