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php var_dump() vs print_r()
What is the difference between var_dump() and print_r() in terms of spitting out an array as string?
12 Answers
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How do I use jQuery's form.serialize but exclude empty fields
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I've been looking over the jQuery docs and I think we can do this in one line using selectors:
$("#myForm :input[value!='']").serialize() // does the job!
Obviously #myForm gets the element with id "myForm" but what was less obvious to me at first was that the ...
How do I delete/remove a shell function?
... A couple people have answered with:
unset z
but if you have a function and a variable named z only the variable will be unset, not the function.
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Django - Circular model import issue
... this works I'd very much appreciate it. I have two applications, Accounts and Theme... here is my settings list:
4 Answers...
Getting a list of associative array keys
...ence below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet Explorer 9. Object.keys() contains a code snippet that you can add if Object.keys() is not supported in your browser.
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" />
And that's true for all Html helpers taking a htmlAttributes anonymous object as argument, not only the CheckBoxFor helper.
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Check if inputs are empty using jQuery
...m that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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Move an item inside a list?
...already in the list to the specified position, you would have to delete it and insert it at the new position:
l.insert(newindex, l.pop(oldindex))
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How much is the overhead of smart pointers compared to normal pointers in C++?
...11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower?
5 Answers
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curl json post request via terminal to a rails app
I'm trying to create a user on my rails app with a curl command from os x terminal. No matter how I format the data, the app returns a responses that non of my validations have passed.
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