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Why are Objective-C delegates usually given the property assign instead of retain?
I'm surfing through the wonderful blog maintained by Scott Stevenson, and I'm trying to understand a fundamental Objective-C concept of assigning delegates the 'assign' property vs 'retain'. Note, the both are the same in a garbage collected environment. I'm mostly concerned with a non-GC based envi...
What are the best practices to follow when declaring an array in Javascript?
... because Douglas Crockford says so.
His reasons include the non-intuitive and inconsistent behaviour of new Array():
var a = new Array(5); // an array pre-sized to 5 elements long
var b = new Array(5, 10); // an array with two elements in it
Note that there's no way with new Array() to creat...
Is key-value observation (KVO) available in Swift?
...mework can help you accomplish what you wanted, rather than using KVO
Yes and no. KVO works on NSObject subclasses much as it always has. It does not work for classes that don't subclass NSObject. Swift does not (currently at least) have its own native observation system.
(See comments for how to ...
Maven dependency for Servlet 3.0 API?
...add the Servlet API as dependency,
To be honest, I'm not sure to understand why but never mind...
Brabster separate dependencies have been replaced by Java EE 6 Profiles. Is there a source that confirms this assumption?
The maven repository from Java.net indeed offers the following artifact...
How do I turn a C# object into a JSON string in .NET?
... Their wording is very odd as well: "Json.NET should be used serialization and deserialization. Provides serialization and deserialization functionality for AJAX-enabled applications."
– Protector one
Mar 17 '17 at 9:53
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How to send a message to a particular client with socket.io
...'m starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message.
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Coding Practices which enable the compiler/optimizer to make a faster program
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Write to local variables and not output arguments! This can be a huge help for getting around aliasing slowdowns. For example, if your code looks like
void DoSomething(const Foo& foo1, const Foo* foo2, int numFoo, Foo& barOut)
{
for (int...
Why should casting be avoided? [closed]
...as possible since I am under the impression that it's poor coding practice and may incur a performance penalty.
14 Answers...
MySQL InnoDB not releasing disk space after deleting data rows from table
...the size of the ibdata1 file reduce after running the optimize table command.
7 Answers
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doGet and doPost in Servlets
...information to a Servlet. In the Servlet, I am using the methods doGet() and doPost() :
5 Answers
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