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Docker and securing passwords

... A default installation of docker (on linux) requires sudoer privileges to run docker inspect. If the attacker can already sudo, snatching your password out of docker inspect is probably pretty low on your list of things that can now go wr...
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Call removeView() on the child's parent first

...but its showing error "The specified child already has a parent. You must call removeView() on the child's parent first." how to solve this? – Imranrana07 Apr 10 '19 at 11:22 ...
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increment date by one month

...2010.12.11"); $final = date("Y-m-d", strtotime("+1 month", $time)); // Finally you will have the date you're looking for. share | improve this answer | follow ...
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Is there a Subversion command to reset the working copy?

... under source control. I think the closest you could do is to iterate over all of the files, use then grep the result of svn list, and if the grep fails, then delete it. EDIT: The solution for the creative script is here: Automatically remove Subversion unversioned files So you could create a scri...
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NSString property: copy or retain?

Let's say I have a class called SomeClass with a string property name: 10 Answers ...
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Entity Framework Timeouts

... @ErikPetru, this is actually a very common practice and makes the code more readable. – Calvin Dec 10 '13 at 18:51 ...
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What's wrong with using == to compare floats in Java?

...bs(sectionID - currentSectionID) < epsilon) where epsilon is a very small number like 0.00000001, depending on the desired precision. share | improve this answer | follo...
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Rails: convert UTC DateTime to another time zone

...e names of the ActiveSupport time zones by doing: ActiveSupport::TimeZone.all.map(&:name) # or for just US ActiveSupport::TimeZone.us_zones.map(&:name) share | improve this answer ...
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How to check a checkbox in capybara?

... I couldn't find a way to make this work with the CSS selector at all! There must be some way to escape the square bracket but I couldn't find it. I had to resort to an XPath finder: find(:xpath, ".//input[@id='Extrapainful[]'][@value='12345']").set(true) – Jon M ...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

...ry variance in your estimates. If you have 100,000 instances, it doesn't really matter whether you choose an 80:20 split or a 90:10 split (indeed you may choose to use less training data if your method is particularly computationally intensive). Assuming you have enough data to do proper held-out t...