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How to copy a dictionary and only edit the copy
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It might be better to say "dict2 and dict1 point to the same dictionary", you are not changing dict1 or dict2 but what they point to.
– GrayWizardx
Mar 17 '10 at 21:15
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...ns in a .row, which has -15px margins. This avoids duplicating the padding and keeps the content lined up between nested and non-nested col classes.
-- You didn't specifically ask about the xs, sm, md, lg usage, but they go hand-in-hand so I can't help but touch on it...
In short, they are used t...
Mod of negative number is melting my brain
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@RuudLenders: No. If x = -5 and m = 2, then r = x%m is -1, after which r+m is 1. The while loop is not needed. The point is that (as I wrote in the answer), x%m is always strictly greater than -m, so you need to add m at most once to make it positive.
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How to change the output color of echo in Linux
I am trying to print a text in the terminal using echo command.
30 Answers
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Spring Boot JPA - configuring auto reconnect
...little Spring Boot JPA web application. It is deployed on Amazon Beanstalk and uses an Amazon RDS for persisting data. It is however not used that often and therefore fails after a while with this kind of exception:
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Is it safe to check floating point values for equality to 0?
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It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator. a == b means "a is equal to b".
It is not sa...
Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
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Also, It is standard practice for 0 to be construed as FALSE, 1 to be construed as TRUE and Nulls, when allowed, would be reflected as NULL.
– reido113
Jan 29 '13 at 20:36
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How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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How to get all subsets of a set? (powerset)
... the letters to form strings) writing a custom recipe utilizing generators and building up the output you want (e.g. adding together two strings) can be much faster.
– Ceasar Bautista
Feb 23 '18 at 7:48
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Failed to Attach to Process ID Xcode
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Resetting the content and settings in the simulator worked for me. This is available in the "iOS Simulator" menu.
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