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Why does `True == False is False` evaluate to False? [duplicate]
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Because in fact that's a chained comparison, so
True == False is False
is equivalent to
(True == False) and (False is False)
This can be surprising in this case, but lets you write 1 <= x < 4 unlike in other languages lik...
Generating a random password in php
I am trying to generate a random password in php.
22 Answers
22
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How do I generate a random int number?
How do I generate a random integer in C#?
32 Answers
32
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
The following code receives seg fault on line 2:
17 Answers
17
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How do I remove objects from a JavaScript associative array?
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Objects in JavaScript can be thought of as associative arrays, mapping keys (properties) to values.
To remove a property from an object in JavaScript you use the delete operator:
const o = { lastName: 'foo' }
o.hasOwnProperty('last...
How to get the latest tag name in current branch in Git?
What's the simplest way to get the most recent tag in Git?
24 Answers
24
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Pandas conditional creation of a series/dataframe column
I have a dataframe along the lines of the below:
8 Answers
8
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Export and Import all MySQL databases at one time
... 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
I want to be able to connect to a PostgreSQL database and find all of the functions for a particular schema.
9 Answers
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How do you access the matched groups in a JavaScript regular expression?
I want to match a portion of a string using a regular expression and then access that parenthesized substring:
22 Answers...