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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
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By default
Primitives are passed by value. Unlikely to Java, string is primitive in PHP
Arrays of primitives are passed by value
Objects are passed by reference
Arrays of objects are passed by value (the array) but each object is passed by reference.
<?php
$obj=new stdClass();
$obj...
Why does auto a=1; compile in C?
...up comments on this, but I can't find the exact reference right now.)
(*) String handling in B was interesting: you'd use arrays of int and pack multiple characters in each member. B was actually BCPL with different syntax.
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How to get everything after last slash in a URL?
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You don't need fancy things, just see the string methods in the standard library and you can easily split your url between 'filename' part and the rest:
url.rsplit('/', 1)
So you can get the part you're interested in simply with:
url.rsplit('/', 1)[-1]
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
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From the MSDN documentation for NameValueCollection.Item Property (String):
Caution
This property returns null in the following cases: 1) if the specified key is not found; and 2) if the specified key is found and its associated value is null. This property does not distinguish between the ...
How to use http.client in Node.js if there is basic authorization
...rd = '123';
var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64');
// new Buffer() is deprecated from v6
// auth is: 'Basic VGVzdDoxMjM='
var header = {'Host': 'www.example.com', 'Authorization': auth};
var request = client.request('GET', '/', header);
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Difference between := and = operators in Go
...d as an int and initialized with value 10 where as b will be declared as a string and initialized with value gopher.
Their equivalents using = would be
var a = 10
var b = "gopher"
= is assignment operator. It is used the same way you would use it in any other language.
You can omit the type whe...
Java Regex Capturing Groups
...ing, that is, the 3000 part.
Note the question mark in the 1st group.
String line = "This order was placed for QT3000! OK?";
Pattern pattern = Pattern.compile("(.*?)(\\d+)(.*)");
Matcher matcher = pattern.matcher(line);
while (matcher.find()) {
System.out.println("group 1: " + matcher.group...
Where can I find my Azure account name and account key?
...ame place:
Note that on the right side of the key you have a Connection String. There you can clearly see the name and the key as well.
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What parameters should I use in a Google Maps URL to go to a lat-lon?
...ks. Now you can open Google maps on web, Android or iOS using the same URL string in form:
https://www.google.com/maps/search/?api=1&parameters
There are several modes that you can use: search, directions, show map and show street view.
So you can use something like
https://www.google.com/m...
What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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@Brandon second example should convert the class to string.<br/>["Hash", "Array"].include?(@some_var.class.to_s) #=> check both through instance class
– OBCENEIKON
Jun 5 '15 at 16:27
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