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Remove Elements from a HashSet while Iterating [duplicate]

...being done, you will get a ConcurrentModificationException. On the other hand, removal of entries via Iterator.remove() while iteration is supported in this case. The new for loop is nice, but unfortunately it does not work in this case, because you can't use the Iterator reference. If you need t...
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iOS 7 - Status bar overlaps the view

...In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20. Since my storyboard is not using auto-layout, in order to resize the height of views properly on iOS 6 I had to set Delta height as well as Delta Y. ...
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Syntax for if/else condition in SCSS mixin

Hi I'm trying to learn SASS/SCSS and am trying to refactor my own mixin for clearfix 3 Answers ...
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Fixing the order of facets in ggplot

...that keeps things within a dplyr pipe chain. You sort the data in advance, and then using mutate_at to convert to a factor. I've modified the data slightly to show how this solution can be applied generally, given data that can be sensibly sorted: # the data temp <- data.frame(type=rep(c("T", "...
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How to reset a timer in C#?

...asses that I am aware of, System.Threading.Timer , System.Timers.Timer , and System.Windows.Forms.Timer , but none of these have a .Reset() function which would reset the current elapsed time to 0. ...
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“unrecognized import path” with go get

... Just installed fresh golang 1.3 on fedora 20 and go get gives the same error. GOROOT is set to /usr, go itself installed into /usr, not /usr/local. Set GOPATH to $HOME/go. Any idea what else to check ? – Dfr Dec 2 '14 at 15:45 ...
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Split string using a newline delimiter with Python

... It will work for \r\n and other type of line boundaries as well. – Ashwini Chaudhary Feb 26 '14 at 13:37 ...
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What is the use of style=“clear:both”?

...s answer, check out Floatutorial, which walks you through how CSS floating and clearing works. share | improve this answer | follow | ...
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Labels for radio buttons in rails form

...e good one. Caveat: you need Rails >= 2.3.3 – tokland Dec 10 '10 at 15:27 3 this method also r...
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SQL Server indexes - ascending or descending, what difference does it make?

...ch column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be just as fast either way? What difference does it make which order I choose? ...