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Javascript reduce() on Object
...}
}
const total = Object.values(add).reduce((t, {value}) => t + value, 0)
console.log(total) // 6
or simply:
const add = {
a: 1,
b: 2,
c: 3
}
const total = Object.values(add).reduce((t, n) => t + n)
console.log(total) // 6
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How to get the nth element of a python list or a default if not available
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10 Answers
10
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Parse usable Street Address, City, State, Zip from a string [closed]
...ress field from an Access database which has been converted to Sql Server 2005. This field has everything all in one field. I need to parse out the individual sections of the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 records and it needs t...
Attach a file from MemoryStream to a MailMessage in C#
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106
Here is the sample code.
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.S...
Where can I find documentation on formatting a date in JavaScript?
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1069
I love 10 ways to format time and date using JavaScript and Working with Dates.
Basically, yo...
Double negation (!!) in javascript - what is the purpose? [duplicate]
...ates it once, converting values like so:
undefined to true
null to true
+0 to true
-0 to true
'' to true
NaN to true
false to true
All other expressions to false
Then the other ! negates it again. A concise cast to boolean, exactly equivalent to ToBoolean simply because ! is defined as its negat...
What does %>% mean in R [duplicate]
...Length Petal.Width Species
1 5.1 3.5 1.4 0.2 setosa
2 4.9 3.0 1.4 0.2 setosa
3 4.7 3.2 1.3 0.2 setosa
4 4.6 3.1 1.5 0.2 setosa
5 5.0 3.6 ...
Force browser to clear cache
... "_versionNo" to the file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // This is the URL for release 1.0
script.css?v...
What is the shortest function for reading a cookie by name in JavaScript?
...onally it should be pointed out that according to the official spec (RFC 2109), the space after the semicolon which separates cookies in the document.cookie is optional and an argument could be made that it should not be relied upon. Additionally, whitespace is allowed before and after the equals si...
How do I remove all specific characters at the end of a string in PHP?
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edited May 30 '15 at 5:17
Mike Kormendy
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