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Why is Java's AbstractList's removeRange() method protected?
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Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
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Is it possible to start a shell session in a running container (without ssh)
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How to add target=“_blank” to JavaScript window.location?
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edited Aug 12 '19 at 12:18
Yuri
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Devise - How do I forbid certain users from signing in?
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149
Do it like this:
Create a column called is_active for the User model.
Then add the code belo...
What is pseudopolynomial time? How does it differ from polynomial time?
...hms that run in pseudopolynomial time have runtimes like O(nW) (for the 0/1 Knapsack Problem ) or O(√n) (for trial division ); why doesn't that count as polynomial time?
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Assigning default values to shell variables with a single command in bash
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Very close to what you posted, actually:
FOO=${VARIABLE:-default} # If variable not set or ...