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Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
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How to sort a list of lists by a specific index of the inner list?
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Shell command to sum integers, one per line?
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How do you generate dynamic (parameterized) unit tests in python?
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This is called "parametrization".
There are several tools that support this approach. E.g.:
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Install dependencies globally and locally using package.json
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New Note: You probably don't want or need to do this. What you probably want to do is just put...
MySQL: Set user variable from result of query
...but you need to move the variable assignment into the query:
SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;
Test case:
CREATE TABLE user (`user` int, `group` int);
INSERT INTO user VALUES (123456, 5);
INSERT INTO user VALUES...
Is Java Regex Thread Safe?
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Yes, from the Java API documentation for the Pattern class
Instances of this (Pattern) class...
Django select only rows with duplicate field values
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193
Try:
from django.db.models import Count
Literal.objects.values('name')
.annota...
Alternative timestamping services for Authenticode
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I use the following batch file which loops a max of 300 times. There are two arguments, %1 is th...