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How do you round to 1 decimal place in Javascript?

...turn Math.round(value * multiplier) / multiplier; } ... usage ... round(12345.6789, 2) // 12345.68 round(12345.6789, 1) // 12345.7 ... defaults to round to nearest whole number (precision 0) ... round(12345.6789) // 12346 ... and can be used to round to nearest 10 or 100 etc... round(12345....
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Why does isNaN(“ ”) (string with spaces) equal false?

... But parseInt("123abcd") returns 123, which means isNaN(parseInt("123abcd")) will return false while it should return true! – Pawan Nogariya Dec 27 '12 at 6:23 ...
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How can I print the contents of a hash in Perl?

... Data::Dumper is your friend. use Data::Dumper; my %hash = ('abc' => 123, 'def' => [4,5,6]); print Dumper(\%hash); will output $VAR1 = { 'def' => [ 4, 5, 6 ], 'abc' => 123 ...
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?

...nternal method, and thus can't be instantiated, e.g. var f = a => a; f(123); // 123 new f(); // TypeError: f is not a constructor share | improve this answer | follow ...
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What is the difference between parseInt() and Number()?

... typeof parseInt("123") => number typeof Number("123") => number typeof new Number("123") => object (Number primitive wrapper object) first two will give you better performance as it returns a primitive instead of an object. ...
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Tainted canvases may not be exported

...he case of html5 canvas , not img elements – graphics123 Oct 4 '16 at 6:57 11 In the case of a ca...
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Best practices for API versioning? [closed]

... behave identically to all API requests): http://shonzilla/api/customers/1234 http://shonzilla/api/v3.0/customers/1234 http://shonzilla/api/v3/customers/1234 In addition, API clients that still try to point to the old API should be informed to use the latest previous API version, if the API vers...
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Round to at most 2 decimal places (only if necessary)

... If the value is a text type: parseFloat("123.456").toFixed(2); If the value is a number: var numb = 123.23454; numb = numb.toFixed(2); There is a downside that values like 1.5 will give "1.50" as the output. A fix suggested by @minitech: var numb = 1.5; numb = +nu...
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An error occurred while validating. HRESULT = '8000000A'

... 123 Update for those who got this issue for VS2013 or VS2015 after upgrading a VS200X setup projec...
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Basic HTTP and Bearer Token Authentication

...username:password@dev.myapp.com/api/users -H "Authorization: Bearer mytoken123" ^^^^^^^^^^^^^^^^^^ If above one doesn't work, then you have nothing to do with it. So try the following alternates. You can pass the token under another name. Because you are handling the authorization ...