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Mongoose — Force collection name
...ring,
password : String
}, { collection: 'userinfo' });
See this link from the Mongoose documentation for more information.
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How to convert 2D float numpy array to 2D int numpy array?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Regex to match only letters
...
Use a character set: [a-zA-Z] matches one letter from A–Z in lowercase and uppercase. [a-zA-Z]+ matches one or more letters and ^[a-zA-Z]+$ matches only strings that consist of one or more letters only (^ and $ mark the begin and end of a string respectively).
If you wan...
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
...s, which is false. Point 11.9.3 The Abstract Equality Comparison Algorithm from the specs show that a number of conversions may be executed to compare the same type of variables.
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How to check what version of jQuery is loaded?
...e jQuery().jquery. It creates a jQuery object for nothing. (copied comment from another answer)
– törzsmókus
Sep 17 '19 at 9:58
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Round a Floating Point Number Down to the Nearest Integer?
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The output from math.trunc is an integer, while the output of math.floor is a float.
– evedovelli
Nov 29 '13 at 15:33
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difference between throw and throw new Exception()
...e information about the error.
the second if you want to hide information (from untrusted users).
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How to maintain aspect ratio using HTML IMG tag
...by this, but not scaled beyond its original size. Though it is not certain from the opening post which of the two the OP wanted.
– Koenigsberg
Jul 31 '18 at 8:48
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How to list containers in Docker
...izes use the given command:
docker ps -s
The content presented above is from docker.com.
In the new version of Docker, commands are updated, and some management commands are added:
docker container ls
It is used to list all the running containers.
docker container ls -a
And then, if you wa...
Multidimensional Array [][] vs [,] [duplicate]
...s a rectangular 3-by-3 two-dimensional array, initializing it with numbers from 0 to 8:
int [,] matrix = new int [3, 3];
for (int i = 0; i < matrix.GetLength(0); i++)
for (int j = 0; j < matrix.GetLength(1); j++)
matrix [i, j] = i * 3 + j;
...