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Generate 'n' unique random numbers within a range [duplicate]
... a ValueError:
>>> try:
... random.sample(range(1, 2), 3)
... except ValueError:
... print('Sample size exceeded population size.')
...
Sample size exceeded population size
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How does this print “hello world”?
... | 10110
w | 119 | 1110111 | 10111
x | 120 | 1111000 | 11000
y | 121 | 1111001 | 11001
z | 122 | 1111010 | 11010
Here you can see that the ascii characters we want to map begin w...
file_put_contents - failed to open stream: Permission denied
...trying to write a query to a file for debugging. The file is in database/execute.php . The file I want to write to is database/queries.php .
...
Printing a variable memory address in swift
... pass immutable value as inout argument error .
– Alexander Vasenin
Aug 31 '16 at 9:10
12
Even th...
Use of *args and **kwargs [duplicate]
...
The syntax is the * and **. The names *args and **kwargs are only by convention but there's no hard requirement to use them.
You would use *args when you're not sure how many arguments might be passed to your function, i.e. it allow...
How can I update npm on Windows?
...best way to upgrade npm on Windows.
Run PowerShell as Administrator
Set-ExecutionPolicy Unrestricted -Scope CurrentUser -Force
npm install -g npm-windows-upgrade
npm-windows-upgrade
Note: Do not run npm i -g npm. Instead use npm-windows-upgrade to update npm going forward. Also if you run the No...
Bytes of a string in Java
In Java, if I have a String x , how can I calculate the number of bytes in that string?
8 Answers
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What is referential transparency?
...ans you can replace equals with equals" but this seems like an inadequate explanation.
13 Answers
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Does MongoDB's $in clause guarantee order
...retrieved. That of course will be the natural order or by the selected index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as...
“did you run git update-server-info” error on a Github repository
...e repo. Added the github account as a collaborator for the repo and that fixed it.
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