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Dealing with float precision in Javascript [duplicate]
...r decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
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How do you round a floating point number in Perl?
... can have serious implications, and
the rounding method used should be specified precisely. In these
cases, it probably pays not to trust whichever system rounding is being
used by Perl, but to instead implement the rounding function you need
yourself.
To see why, notice how you'll still have an i...
Which is better in python, del or delattr?
...is translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really only use the second form when the attribute that you're deleting is determined dynamically.
[Edited to show the bytecode instructions genera...
List all the files that ever existed in a Git repository
Do you have a clean way to list all the files that ever existed in specified branch?
4 Answers
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How to create multiple directories from a single full path in C#?
If you have a full path like: "C:\dir0\dir1\dir2\dir3\dir4\" how would you best implement it so that all directories are present?
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MySQL foreign key constraints, cascade delete
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If your cascading deletes nuke a product because it was a member of a category that was killed, then you've set up your foreign keys improperly. Given your example tables, you should have the following table setup:
CREATE TA...
jQuery - Illegal invocation
..., fitting to the default content-type "application/x-www-form-urlencoded". If you want to send a DOMDocument, or other non-processed data, set this option to false.
– BOTJr.
Apr 12 '16 at 21:34
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Formatting floats without trailing zeros
...ip('0').rstrip('.') -- guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use scientific notation;-).
s...
AJAX post error : Refused to set unsafe header “Connection”
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What "vulnerability" does Connection: close cause? If you know a request will take a long time, it should be possible to request that it not tie up the persistent connection. Browsers don't support request pipelining either, so if a long running request comes before a normal ...
@Html.HiddenFor does not work on Lists in ASP.NET MVC
... tiny mod needed though: The object's Id field needs to be referred to. So if the field is called RowId, then: @Html.HiddenFor(model => Model.ToGroups[i].RowId)
– Krishna Gupta
Nov 3 '15 at 16:11
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