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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?
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Maybe we should make a hidden binding :) We have enable and disable.
– John Papa
Apr 11 '12 at 23:21
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Arrow operator (->) usage in C
...g a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of...
CodeIgniter: Create new helper?
I need to loop lot of arrays in different ways and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
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Selectively revert or checkout changes to a file in Git?
Is there a command that allows you to partially undo the changes to a file (or files) in the working directory?
4 Answers
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How to find my Subversion server version number?
... of the subversion REPOSITORY you can:
Look to the repository on the web and on the bottom of the page it will say something like:
"Powered by Subversion version 1.5.2 (r32768)."
From the command line: <insert curl, grep oneliner here>
If not displayed, view source of the page
<svn ver...
Is there a way to iterate over a range of integers?
Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:
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How to convert a ruby hash object to JSON?
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I tried the same thing with Ruby object and it does not work?? >> require 'json' => true >> class Person >> attr_accessor :fname, :lname >> end => nil >> p = Person.new => #<Person:0x101155f70> >> p.fname = "Bill...
Changing the child element's CSS when the parent is hovered
...use CSS?
.parent:hover .child, .parent.hover .child { display: block; }
and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly:
jQuery('.parent').hover(function () {
jQuery(this).addClass('hover');
}, function () {
jQuery(this).removeCla...
Can I use GDB to debug a running process?
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Yes. Use the attach command. Check out this link for more information. Typing help attach at a GDB console gives the following:
(gdb) help attach
Attach to a process or file outside of GDB.
This command attaches to another target, of the...
In an array of objects, fastest way to find the index of an object whose attributes match a search
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The simplest and easiest way to find element index in array.
ES5 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3})
ES6 syntax: [{id:1},{id:2},{id:3},{id:4}].findIndex(obj => obj.id == 3)
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