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TypeScript Objects as Dictionary types as in C#
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In newer versions of typescript you can use:
type Customers = Record<string, Customer>
In older versions you can use:
var map: { [email: string]: Customer; } = { };
map['foo@gmail.com'] = new Customer(); // OK
map[14] = new Customer(); // Not OK, 14 is not a string
map['bar@hotmail.com']...
How to read XML using XPath in Java
...er = factory.newDocumentBuilder();
Document doc = builder.parse(<uri_as_string>);
XPathFactory xPathfactory = XPathFactory.newInstance();
XPath xpath = xPathfactory.newXPath();
XPathExpression expr = xpath.compile(<xpath_expression>);
Then you call expr.evaluate() passing in the docume...
Split a string on whitespace in Go?
Given an input string such as " word1 word2 word3 word4 " , what would be the best approach to split this as an array of strings in Go? Note that there can be any number of spaces or unicode-spacing characters between each word.
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How to create a generic array in Java?
...ill not work if the array is treated as a typed array of any kind, such as String[] s=b; in the above test() method. That's because the array of E isn't really, it's Object[]. This matters if you want, e.g. a List<String>[] - you can't use an Object[] for that, you must have a List[] specifi...
Reflection - get attribute name and value on property
...e dynamic by passing types into the routine):
public static Dictionary<string, string> GetAuthors()
{
Dictionary<string, string> _dict = new Dictionary<string, string>();
PropertyInfo[] props = typeof(Book).GetProperties();
foreach (PropertyInfo prop in props)
{
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Remove first 4 characters of a string with PHP
How can I remove the first 4 characters of a string using PHP?
7 Answers
7
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Replace a string in a file with nodejs
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You could use simple regex:
var result = fileAsString.replace(/string to be replaced/g, 'replacement');
So...
var fs = require('fs')
fs.readFile(someFile, 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
var result = data.replace(/string to...
Is there a way to create a function from a string with javascript?
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I added a jsperf test for 4 different ways to create a function from string :
Using RegExp with Function class
var func = "function (a, b) { return a + b; }".parseFunction();
Using Function class with "return"
var func = new Function("return " + "function (a, b) { return a + b; }")();
Usi...
How to get parameters from a URL string?
I have a HTML form field $_POST["url"] having some URL strings as the value.
Example values are:
13 Answers
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Evaluate expression given as a string
...R can use its eval() function to perform calculations provided by e.g. a string.
7 Answers
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