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Why are Docker container images so large?

... As @rexposadas said, images include all the layers and each layer includes all the dependencies for what you installed. It is also important to note that the base images (like fedora:latest tend to be very bare-bones. You may be surprised by the number of dependencies your in...
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Is it possible to add dynamically named properties to JavaScript object?

... +1 because this helped me. But I don't understand why an object properties is handled like an array. – Ron van der Heijden Mar 5 '13 at 11:56 ...
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Rails 4: List of available datatypes

...t, 2016-Sep-19: There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5. share | improve this answer | follow | ...
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JUnit 4 compare Sets

..., setB ); } } This @Test will pass if the two Sets are the same size and contain the same elements. share | improve this answer | follow | ...
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Is it a bad practice to use break in a for loop? [closed]

...sily-readable loops. If the body of your loop spans several screen lengths and has multiple nested sub-blocks, yes, you could easily forget that some code won't be executed after the break. If, however, the loop is short and to the point, the purpose of the break statement should be obvious. If a l...
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How to add text inside the doughnut chart using Chart.js?

..., labelFontStyle : "normal", labelFontSize : 24, labelFontColor : "#666" and then in function drawPieSegments ctx.fillText(data[0].value + "%", width/2 - 20, width/2, 200); See this pull: https://github.com/nnnick/Chart.js/pull/35 here is a fiddle http://jsfiddle.net/mayankcpdixit/6xV78/ impl...
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Getting the minimum of two values in SQL

I have two variables, one is called PaidThisMonth , and the other is called OwedPast . They are both results of some subqueries in SQL. How can I select the smaller of the two and return it as a value titled PaidForPast ? ...
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Get controller and action name from within controller?

For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of course, but that's not the point here). ...
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Where to put model data and behaviour? [tl; dr; Use Services]

I am working with AngularJS for my latest project. In the documentation and tutorials all model data is put into the controller scope. I understand that is has to be there to be available for the controller and thus within the corresponding views. ...
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What is the difference between the dot (.) operator and -> in C++? [duplicate]

What is the difference between the dot (.) operator and -> in C++? 14 Answers 14 ...