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Launch Bootstrap Modal on page load

I don't know javascript at all. The bootstrap documentation says to 18 Answers 18 ...
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How to print a groupby object

I want to print the result of grouping with Pandas. 14 Answers 14 ...
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How to print Boolean flag in NSLog?

Is there a way to print value of Boolean flag in NSLog? 11 Answers 11 ...
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Using Rails 3.1 assets pipeline to conditionally use certain css

I’m in the process of building my first solo Rails app using Rails 3.1.rc5. My problem is that I want to have my site render the various CSS files conditionally. I’m using Blueprint CSS and I’m trying to have sprockets/rails render screen.css most of the time, print.css only when printing,...
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Can hash tables really be O(1)?

It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind: ...
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Java synchronized method lock on object, or method?

If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method? ...
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?

I know LinkedHashMap has a predictable iteration order (insertion order). Does the Set returned by LinkedHashMap.keySet() and the Collection returned by LinkedHashMap.values() also maintain this order? ...
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How to deal with “data of class uneval” error from ggplot2?

While trying to overlay a new line to a existing ggplot I am getting the following error: 3 Answers ...
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How to get multiple selected values of select box in php?

I have a html form which has a select list box from which you can select multiple values because its multiple property is set to multiple. Consider form method is 'GET'. The html code for the form is as follows: ...
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Multiline Comment Workarounds?

I (sort of) already know the answer to this question. But I figured it is one that gets asked so frequently on the R Users list, that there should be one solid good answer. To the best of my knowledge there is no multiline comment functionality in R. So, does anyone have any good workarounds? ...