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Best way to add “current” class to nav in Rails 3
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I made a helper called nav_link:
def nav_link(link_text, link_path)
class_name = current_page?(link_path) ? 'current' : ''
content_tag(:li, :class => class_name) do
link_to link_text, link_path
end
end
used like:
nav_link '...
Asynchronous shell exec in PHP
...sn't care at all about the output. The shell script makes a number of SOAP calls and is slow to complete, so I don't want to slow down the PHP request while it waits for a reply. In fact, the PHP request should be able to exit without terminating the shell process.
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How to copy an object in Objective-C
...ssarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally independent" from it's original. Because the mechanisms for making these "intelligent" copies varies from class to class, we ask the objects themselves to perform them. This is the NSCopying...
.NET unique object identifier
...news, everyone!
The perfect tool for this job is built in .NET 4 and it's called ConditionalWeakTable<TKey, TValue>. This class:
can be used to associate arbitrary data with managed object instances much like a dictionary (although it is not a dictionary)
does not depend on memory addresses...
Generating a unique machine id
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A note to not do what I did, which was to call GetSystemFirmwareTable('RSMB'...); and hash the entire SMBIOSTableData buffer. It worked great until I ran into a workstation which wrote its cpu internal temperature to that table, meaning my unique id changed every fe...
Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?
... Using .prop doesn't seem to work with Jquery 1.11.2 in Firefox with locally hosted files. .attr does. I've not tested more fully. Here's the code: ``` personContent.find("[data-name='" + pass.name + "']").children('input').attr('checked', true); ```
– Andrew Downes
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Socket.io rooms difference between broadcast.to and sockets.in
...sts to all sockets in the given room, except to the socket on which it was called while io.sockets.in broadcasts to all sockets in the given room.
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CKEditor automatically strips classes from div
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I'm working with something called Kentico, which uses this editor. I've added the line "CKEDITOR.config.allowedContent = true;" to my config.js, but it is still reformatting my HTML, which breaks my Bootstrap code, anyone have any ideas?
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What is the purpose of class methods?
...he original one, maybe you could answer it in the same time? Which way of calling class methods of an object is "better", or "more idiomatic": obj.cls_mthd(...) or type(obj).cls_mthd(...)?
– Alexey
Feb 27 '18 at 12:43
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How can I scroll to a specific location on the page using jquery?
...<a href="#here">scroll to over there</a>
To do it programmatically, use scrollIntoView()
document.getElementById("here").scrollIntoView()
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