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jQuery access input hidden value
...$(':hidden#foo').val());
alert($('input:hidden[name=zyx]').val());
Those all mean the same thing in this example.
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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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Why isn't my JavaScript working in JSFiddle?
...ode/html/style sheets. you'd need to reference the frame in the function call, but there isn't really an easy way to do that since the frame doesn't have a name. It's really a problem because of the way jsfiddle works, but it's still a good idea to keep your javascript completely separate.
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How can I check if an element exists in the visible DOM?
...f the browser's selecting method, and checking it for a truthy value (generally).
For example, if my element had an id of "find-me", I could simply use...
var elementExists = document.getElementById("find-me");
This is specified to either return a reference to the element or null. If you must ha...
Build error: You must add a reference to System.Runtime
...targeting 4.52, no known PCL but many nuGet packages. I believe that uninstalling VS2013 triggered this but I do not know that as fact. Error only surfaced in Views that referenced X-PagedList. Adding reference to project web.config (not views web.config) fixed it.
– Greg Ter...
How can I make XSLT work in chrome?
...ese restrictions, we've got two solutions:
Try running Chrome with the --allow-file-access-from-files flag. I've not tested this myself, but if it works, your system will now also be vulnerable to scenarios of the kind mentioned above.
Upload it to a host, and problem solved.
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What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retaine...
Splitting a string into chunks of a certain size
...
yield return str.Substring(i, chunkSize);
}
This will work for all strings that can be split into a whole number of chunks, and will throw an exception otherwise.
If you want to support strings of any length you could use the following code:
static IEnumerable<string> ChunksUpto(...
LINQ-to-SQL vs stored procedures? [closed]
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Some advantages of LINQ over sprocs:
Type safety: I think we all understand this.
Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the framework to add additional improvements that you can easily take advantage of. PLINQ is an example of adding...
Using Vim's tabs like buffers
...out", because that's what a tab is—it's a different layout of windows of all of your existing buffers.
Trying to beat Vim into 1 tab == 1 buffer is an exercise in futility. Vim doesn't know or care and it will not respect it on all commands—in particular, anything that uses the quickfix buffer ...