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Quickly find whether a value is present in a C array?
...dded application with a time-critical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
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Java String split removed empty values
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split(delimiter) by default removes trailing empty strings from result array. To turn this mechanism off we need to use overloaded version of split(delimiter, limit) with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) internally return...
Javascript Reduce an empty array
When I reduce the array, I am trying to get the number zero, but I dont clearly understand the behaviour of the function
2 ...
How to change value of object which is inside an array using JavaScript or jQuery?
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You have to search in the array like:
function changeDesc( value, desc ) {
for (var i in projects) {
if (projects[i].value == value) {
projects[i].desc = desc;
break; //Stop this loop, we found it!
}
}
}
and use it l...
How to construct a REST API that takes an array of id's for the resources
...ribed here: en.wikipedia.org/wiki/…. You would only use CSV to represent arrays in requests, while the service responses should be serialized using XML or JSON. Are there any particular reasons why you don't consider my approach to be REST?
– Florin Dumitrescu
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Calculate business days
...upport for leap years.
Enter the starting and ending dates, along with an array of any holidays that might be in between, and it returns the working days as an integer:
<?php
//The function returns the no. of business days between two dates and it skips the holidays
function getWorkingDays($sta...
How to get all selected values from ?
... <select multiple="multiple"> elements, the .val() method returns an array containing each selected option;
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Java SafeVarargs annotation, does a standard or best practice exist?
...he "variable arguments" that goes in the varargs parameter, and creates an array just like new X[] { ...(arguments go here)... }.
This works well when the varargs type is concrete like String.... When it's a type variable like T..., it also works when T is known to be a concrete type for that call....
Perform .join on value in array of objects
If I have an array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
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Getting all names in an enum as a String[]
...siest and/or shortest way possible to get the names of enum elements as an array of String s?
20 Answers
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