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Difference between objectForKey and valueForKey?
... keys to differentiate between items. A key is an arbitrary string you provide. No two objects can have the same key (just as no two objects in an NSArray can have the same index).
valueForKey: is a KVC method. It works with ANY class. valueForKey: allows you to access a property using a string fo...
Does SVG support embedding of bitmap images?
...s:xlink="http://www.w3.org/1999/xlink">
...
<image
width="100" height="100"
xlink:href="data:image/png;base64,IMAGE_DATA"
/>
...
</svg>
The svg element attribute xmlns:xlink declares xlink as a namespace prefix and says where the definition is. Th...
jquery.validate.unobtrusive not working with dynamic injected elements
I am working with ASP.Net MVC3 , the easier way to use the client validation would be enabling the jquery.validate.unobtrusive . Everything works fine, for stuff that's right from server.
...
How do I select child elements of any depth using XPath?
...
You're almost there. Simply use:
//form[@id='myform']//input[@type='submit']
The // shortcut can also be used inside an expression.
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What is InnoDB and MyISAM in MySQL?
...hancement over other storage
engines available for use with MySQL
is ACID-compliant transaction support
MyISAM is the default storage engine
for the MySQL relational database
management system versions prior to
5.5 1. It is based on the older ISAM code but has many useful extensions.
...
Producing a new line in XSLT
I want to produce a newline for text output in XSLT. Any ideas?
12 Answers
12
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What are 'get' and 'set' in Swift?
... = myTriangle.perimeter
... Which calls this:
get{
return 3.0 * self.sideLength
}
And thus it's essentially like if the calling controller did this:
let someVar = 3.0 * myTriangle.sideLength
When you set the variable from another object, it looks like this:
myTriangle.perimeter = 100
Which ...
SQL - Query to get server's IP address
...e strongly against using this answer. Enabling the shell out is a very bad idea on a production SQL Server.
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html onchange event not working
...('.my-class').on('input', function(){
alert('Input changed');
});
JSFiddle with static/dynamic example: https://jsfiddle.net/op0zqrgy/7/
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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
... framework, you'll have a lot of code to trawl through to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_...