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Fastest way to find second (third…) highest/lowest value in vector or column
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Rfast has a function called nth_element that does exactly what you ask and is faster than all of the implementations discussed above
Also the methods discussed above that are based on partial sort, don't support finding the k smallest values
Rfast::nth(x, 5, descending = T)
Will...
How can I combine two HashMap objects containing the same types?
...nter exception with putAll method. it does not help using try/catch block. what should i do? I am apply if condition, that if size==o then don't apply putAll else apply it and so on....
– Mavin
Nov 28 '10 at 23:38
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2729815%2fwhat-is-the-difference-if-any-between-html-partialview-model-and-html-rende%23new-answer', 'question_page');
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);
Post as a guest
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Is it better to specify source files with GLOB or each file individually in CMake?
...nd problem you can organize your code carefully into directories, which is what you probably do anyway. In the worst case, you can use the list(REMOVE_ITEM) command to clean up the globbed list of files:
file(GLOB to_remove file_to_remove.cpp)
list(REMOVE_ITEM list ${to_remove})
The only real sit...
How to print Unicode character in Python?
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What if I stored it into a string mystr? then how to print it?
– cqcn1991
Jul 15 '15 at 13:29
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Query an XDocument for elements by name at any depth
...me") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I just use XPath , or is there a way to do it using LINQ methods? Thanks.
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Use ffmpeg to add text subtitles [closed]
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Yes @sunk818 that's what this means. This adds the subtitle as a track that can be enabled or disabled as long as the player supports it. Mr. Hyde and Paul ffmpeg can also add the subtitles ontop of the video itself, and in those cases you woul...
How to force use of overflow menu on devices with menu button
...esign neither supports a smooth transition to the actionbar nor does it do what it used to do before adding an actionbar (display all the menu choices). I suspect you are right and that there is no simple workaround.
– PaulP
Feb 24 '12 at 21:13
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
...uggestion (above), this approach has the advantage of being very clear re: what's going on. (Still has the downside of not letting you pass nil as a value for the local)
– brahn
Jan 18 '10 at 3:59
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When is std::weak_ptr useful?
...t need to keep those in memory, so you get rid of the strong pointer.
But what if that object is in use and some other code holds a strong pointer to it? If the cache gets rid of its only pointer to the object, it can never find it again. So the cache keeps a weak pointer to objects that it needs t...