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How do I count the number of occurrences of a char in a String?

... The loop method is much faster than this. Especially when wanting to count a char instead of a String (since there is no String.replace(char, char) method). On a 15 character string, I get a difference of 6049 ns vs 26,739 ns (averaged over 100runs). Raw numbers are huge...
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How to correctly iterate through getElementsByClassName

... for ... of allows you to iterate over NodeList now as in for (slide of slides) Distribute(slide). Browser support is patchy, but if you're transpiling then for ... of will be converted, but NodeList.forEach wouldn't. ...
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Calling constructors in c++ without new

...d the most common way of creating new dynamic objects instead of using auto_ptr, unique_ptr, or related. – Fred Nurk Jan 18 '11 at 13:18 3 ...
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How to insert an item into an array at a specific index (JavaScript)?

... but now that I know the answer I don't! Why on earth did they decide to call it splice when a more searchable term was in common use for the same function?! – tags2k Feb 25 '09 at 14:46 ...
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serve current directory from command line

...also running on a Mac. Tried it with Ruby 1.8.7, 1.9.3 and 2.0.0, and they all work. Weird. – Daniel Perez Alvarez Sep 9 '13 at 9:04 7 ...
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Creating an R dataframe row-by-row

...ke to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list. ...
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how to remove untracked files in Git?

...y files, that you havn't thought of at first. Please double check and read all the comments below this answer and the --help section, etc., so to know all details to fine-tune your commands and surely get the expected result. ...
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Function pointers, Closures, and Lambda

...s, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this comparison. ...
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How to add a search box with icon to the navbar in Bootstrap 3?

...ks/">/bookmarks</a></li> <li><a href="/all-topics/">/all</a></li> </ul> <div class="col-sm-3 col-md-3 pull-right"> <form class="navbar-form" role="search"> <div class="input-group"> ...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

... Wouldn't the solution specifically for the "opencases" column be simpler as just "select count(1)..." (or "count" of any other literal)? The Where clause already specifies "and closed is NULL" so no need for summing a case statement in this instance. Also...