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CSS: Set a background color which is 50% of the width of the window
...it in two"; two colors on opposite sides (seemingly done by setting a default background-color on the body tag, then applying another onto a div that stretches the entire width of the window).
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How to use ELMAH to manually log errors
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try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorLog.GetDefault(HttpContext.Current).Log(new Elmah.Error(ex));
}
ELMAH 1.2 introduces a more flexible API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference be...
Can't find a “not equal” css attribute selector
... also select elements that do not have a foo attribute at all. Consider:
<div>No foo</div>
<div foo="">Empty foo</div>
<div foo="x">XXX</div>
<div foo="y">YYY</div>
<div foo="z">ZZZ</div>
div:not([foo='']) will select both the first and s...
Get ID of last inserted document in a mongoDB w/ Java driver
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<code> BasicDBObject doc = new BasicDBObject("_id", new ObjectId()); System.out.println("doc.id before: " + doc.get("_id")); new Mongo("localhost").getDB("test").getCollection("t").insert(doc); System.out...
How to make a transparent HTML button?
... none;
cursor:pointer;
overflow: hidden;
outline:none;
}
<button>button</button>
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For-each over an array in JavaScript
...y in the array, in order, skipping non-existent entries in sparse arrays. Although I only used one argument above, the callback is called with three: The value of each entry, the index of that entry, and a reference to the array you're iterating over (in case your function doesn't already have it ha...
Border length smaller than div width?
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width : 50%; /* or 100px */
border-bottom:1px solid magenta;
}
<div>Item 1</div>
<div>Item 2</div>
No need to use extra markup for presentational purpose. :after is also supported from IE8.
edit:
if you need a right-aligned border, just change left: 0 w...
Can I Replace Apache with Node.js?
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If you're prepared to re-write your PHP in JavaScript, then yes, Node.js can replace your Apache.
If you place an Apache or NGINX instance running in reverse-proxy mode between your servers and your clients, you could handle some requests in JavaScript on Node.js and som...
How do I horizontally center a span element inside a div
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One option is to give the <a> a display of inline-block and then apply text-align: center; on the containing block (remove the float as well):
div {
background: red;
overflow: hidden;
text-align: center;
}
span a {
background:...
Java ArrayList how to add elements at the beginning
...it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
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