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Coding Practices which enable the compiler/optimizer to make a faster program
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How to create empty text file from a batch file?
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Get index of selected option with jQuery
...rt($("#dropDownMenuKategorie")[0].selectedIndex);
Update:
Since version 1.6 jQuery has the prop method that can be used to read properties:
alert($("#dropDownMenuKategorie").prop('selectedIndex'));
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
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146
arrays:
are a builtin language construct;
come almost unmodified from C89;
provide just a co...
Check if an array contains any element of another array in JavaScript
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Vanilla JS
ES2016:
const found = arr1.some(r=> arr2.includes(r))
ES6:
const found = arr1.some(r=> arr2.indexOf(r) >= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any e...
How can I specify a local gem in my Gemfile?
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edited Sep 4 '19 at 18:58
Iulian Onofrei
6,77988 gold badges5252 silver badges9393 bronze badges
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...String = "";
string whitespaceString = " ";
string nonEmptyString = "abc123";
bool result;
result = String.IsNullOrEmpty(nullString); // true
result = String.IsNullOrEmpty(emptyString); // true
result = String.IsNullOrEmpty(whitespaceString); // false
result = String.I...