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System.Net.WebException HTTP status code

...t ex.Status to get the WebExceptionStatus. If you just want a descriptive string to log in case of a failure you can use the null-coalescing operator (??) to get the relevant error: string status = (ex.Response as HttpWebResponse)?.StatusCode.ToString() ?? ex.Status.ToString(); If the except...
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SQL Server Regular expressions in T-SQL

...t it gives you the basics. (From Books Online) Wildcard Meaning % Any string of zero or more characters. _ Any single character. [ ] Any single character within the specified range (for example, [a-f]) or set (for example, [abcdef]). [^] Any single character not within the specified ran...
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Use of def, val, and var in scala

... ^ When the class is defined like: scala> class Person(val name: String, var age: Int) defined class Person and then instantiated with: scala> def personA = new Person("Tim", 25) personA: Person an immutable label is created for that specific instance of Person (i.e. 'personA'). Wh...
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Best way to allow plugins for a PHP application

...te that when using multiple hooks/listeners, you should only return either strings or arrays, not both. I have implemented something similar for Hound CMS - getbutterfly.com/hound. – Ciprian Dec 19 '17 at 11:21 ...
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How to change the session timeout in PHP?

...{ return true; } function read($id) { return (string)@file_get_contents("$this->savePath/sess_$id"); } function write($id, $data) { return file_put_contents("$this->savePath/sess_$id", $data) === false ? false : true; } function destro...
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How can I force Powershell to return an array when a call only returns one object?

...ve a Count property. Single objects (scalar) do not have a Count property. Strings have a length property so you might get false results, use the Count property: if (@($serverIps).Count -le 1)... By the way, instead of using a wildcard that can also match strings, use the -as operator: [array]$s...
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Adding up BigDecimals using Streams

...mport java.util.LinkedList; public class Demo { public static void main(String[] args) { LinkedList<Invoice> invoices = new LinkedList<>(); invoices.add(new Invoice("C1", "I-001", BigDecimal.valueOf(.1), BigDecimal.valueOf(10))); invoices.add(new Invoice("C2", "I-002", B...
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What does T&& (double ampersand) mean in C++11?

...'t distinguish between a copy of a non-mutable lvalue and an rvalue. std::string s; std::string another(s); // calls std::string(const std::string&); std::string more(std::string(s)); // calls std::string(const std::string&); In C++0x, this is not the case. std::string s; std::...
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Scala equivalent of Java java.lang.Class Object

...: scala> "foo".getClass res0: java.lang.Class[_ <: java.lang.String] = class java.lang.String ) Back in 2009: It would be useful if Scala were to treat the return from getClass() as a java.lang.Class[T] forSome { val T : C } where C is something like the erasure of the static type of...
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Why is using the JavaScript eval function a bad idea?

...ght be able to agree with you. Jeff pointed out the key: "eval of the same string multiple times can avoid parse overhead". As it is, you are just wrong; #3 holds true for many scenarios. – Prestaul Feb 13 '12 at 17:44 ...