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Date.getDay() javascript returns wrong day
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var day = 11;
var date = new Date(year, month-1, day);
var weekday = new Array("sunday", "monday", "tuesday", "wednesday",
"thursday", "friday", "saturday");
return weekday[date.getDay()];
}
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What is the difference between memoization and dynamic programming?
...as a hash key value pair, as opposed to tabulation which is often based on arrays) so that they aren't recalculated when they are encountered again. It can be used in both bottom up or top down methods.
See this discussion on memoization vs tabulation.
So Dynamic programming is a method to solve ...
What is the difference between String.slice and String.substring?
...oke: String.slice was added so that there is a string method consistent to Array.slice. substring has been there forever, so they didn’t break it and added another method. Hardly a crappy decision as 1. consistency is nice and 2. it allows CoffeeScript’s slicing syntax to work on arrays and stri...
Most concise way to convert a Set to a List
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List<String> list = new ArrayList<String>(listOfTopicAuthors);
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How do I tokenize a string in C++?
... as it still uses a string literal which is the plain C constant character array. I believe the questioner was asking if he could tokenize a C++ string which is of type "string" introduced by the latter.
– Vijay Kumar Kanta
Apr 19 '17 at 7:05
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Converting Symbols, Accent Letters to English Alphabet
... search bibliographic data that included diacritic characters. The lookup arrays (as it was in our case) took perhaps 1 man day to produce, to cover all diacritic marks for all Western European languages.
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Difference Between Invoke and DynamicInvoke
...ar that an object[] is involved. There are lots of extra costs here:
the array
validating the passed arguments are a "fit" for the actual MethodInfo
unboxing etc as necessary
reflection-invoke
then the caller needs to do something to process the return value
Basically, avoid DynamicInvoke when-e...
How to JSON serialize sets?
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JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, booleans, and null), so anything serialized in JSON needs to be expressed as one of these types.
As shown in the json module docs, this conversion can be done automatically by a JSONEncoder and JSON...
Why no generics in Go?
...lly with any type". That's what we also call generics. Eg the length of an array doesn't depend on what's in the array. See https://news.ycombinator.com/item?id=23560798.
The earliest that generics could be added to Go would be the Go 1.17 release, scheduled for August 2021. See https://blog.golang....
Do checkbox inputs only post data if they're checked?
...s, such as with the extra hidden textbox, then the backend will receive an array of values.
– Salami
Mar 11 '16 at 9:18
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