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jQuery count child elements
...a descendant selector, like this:
var count = $("#selected li").length;
If you have to use .children(), then it's like this:
var count = $("#selected ul").children().length;
You can test both versions here.
share
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How to set a stroke-width:1 on only certain sides of SVG shapes?
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If you need stroke or no-stroke then you can also use stroke-dasharray to do this, by making the dashes and gaps match up with the sides of the rectangle.
rect { fill: none; stroke: black; }
.top { stroke-dasharray: 0,5...
Group By Multiple Columns
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If you're new to grouping with anonymous types the use of the 'new' keyword in this example does the magic.
– Chris
Aug 6 '13 at 15:41
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How to convert float to varchar in SQL Server
I have a float column with numbers of different length and I'm trying to convert them to varchar.
15 Answers
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Can you do greater than comparison on a date in a Rails 3 search?
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is that safe ? i mean if p[:date] came from user input, can it cause an SQL injection ?
– MhdSyrwan
Jul 8 '12 at 14:55
7
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What's the result of += in C and C++?
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Semantics of the compound assignment operators is different in C and C++:
C99 standard, 6.5.16, part 3:
An assignment operator stores a value in the object designated by the left operand. An
assignment expression has the value of the left operand after the assignment, ...
Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
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If you wanted to keep it as a single object instead of a collection, could you just do JsonStr.Replace("[","").Replace("]","") or would this not be good practice?
– Rich
Apr 13 '18 at 1...
Error inflating when extending a class
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Thanks a lot! The error message is quite unspecific, which had me stumped for a moment, they should have included the reason (missing constructor overload) in their error message.
– AgentKnopf
Jun 7 '12 at 9:46
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AngularJS : What is a factory?
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From what I understand they are all pretty much the same. The major differences are their complexities. Providers are configurable at runtime, factories are a little more robust, and services are the simplest form.
Check out this question AngularJS: Service vs provider vs factory
Also this g...
How to do this using jQuery - document.getElementById(“selectlist”).value
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It can be done by three different ways,though all them are nearly the same
Javascript way
document.getElementById('test').value
Jquery way
$("#test").val()
$("#test")[0].value
$("#test").get(0).value
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