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Javascript roundoff number to nearest 0.5

... rounding the num*2 is not working for all case..try any decimal like 15.27 => using your formula will give => 15 where in fact it should have returned 15.5. **** I think using toFixed will be better (num*2).toFixed()/2 – sfdx bomb ...
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How to see which plugins are making Vim slow?

...:profile file * " At this point do slow actions :profile pause :noautocmd qall! (unlike quitting noautocmd is not really required, it just makes vim quit faster). Note: you won’t get information about functions there were deleted before vim quit. ...
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Mocking member variables of a class using Mockito

...ing to make. Factor the sequence diagram into the objects that you can actually control. This means that if you are working with a framework class which has the dependent object anti-pattern you show above, then you should regard the object and its badly-factored member as a single unit in terms of ...
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Add a prefix string to beginning of each line

... You can use Vim in Ex mode: ex -sc '%s/^/prefix/|x' file % select all lines s replace x save and close share | improve this answer | follow | ...
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What to add for the update portion in ConcurrentDictionary AddOrUpdate

...d] = sessionId; Store a key/value pair into the dictionary unconditionally, overwriting any value for that key if the key already exists: Use the indexer’s setter (See: http://blogs.msdn.com/b/pfxteam/archive/2010/01/08/9945809.aspx) The indexer is atomic, too. If you pass a function inst...
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What is the difference between setUp() and setUpClass() in Python unittest?

...erence (as noted in the answer by Benjamin Hodgson) is that setUpClass is called only once and that is before all the tests, while setUp is called immediately before each and every test. (NB: The same applies to the equivalent methods in other xUnit test frameworks, not just Python's unittest.) From...
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot

...ndas in Ipython Notebook, and while it gives me the object, it doesn't actually plot the graph itself. So it looks like this: ...
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Store query result in a variable using in PL/pgSQL

...s, as @Pavel commented. I shortened the syntax with a table alias additionally. Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel. share | improve thi...
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Index of Currently Selected Row in DataGridView

...ndex error two. You'd better wrapped it with a if – Allan Ruin Mar 11 '15 at 1:22 add a comment  |  ...
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grep exclude multiple strings

I am trying to see a log file using tail -f and want to exclude all lines containing the following strings: 7 Answers ...