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jQuery select all except first
... Here is a JsPerf comparing all those solutions: jsperf.com/fastest-way-to-select-all-expect-the-first-one Depending on the number of items, $("li").not(":eq(0)") seems good.
– Damien
Dec 19 '12 at 15:41
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Best way to combine two or more byte arrays in C#
...ing bytes), use System.Buffer.BlockCopy instead of System.Array.Copy. It's faster.
I timed each of the suggested methods in a loop executed 1 million times using 3 arrays of 10 bytes each. Here are the results:
New Byte Array using System.Array.Copy - 0.2187556 seconds
New Byte Array using...
Difference between DirectCast() and CType() in VB.NET
...ur cast type in the inheritance tree.
This is desirable because it's much faster. There's less conversion and type checking that needs to take place.
CType() is less strict than the C# casting operator. It will do things you just can't do with a simple (int)-style cast, like convert a string to an...
Why is it not advisable to have the database and web server on the same machine?
...se servers. Database servers fare better with a lot of memory and a really fast disk array while web servers only require enough memory to cache files and frequent DB requests (depending on your setup). Regarding cost effectiveness, the two servers won't necessarily be less expensive, however perfor...
How to convert a string to an integer in JavaScript?
...
Fastest
var x = "1000"*1;
Test
Here is little comparison of speed (Mac Os only)... :)
For chrome 'plus' and 'mul' are fastest (>700,000,00 op/sec), 'Math.floor' is slowest. For Firefox 'plus' is slowest (!) 'mul' is f...
How to create circle with Bézier curves?
...the Bezier curve. The Bezier polygon requires two additional points. To be fast, I would take the tangents to the circle for each extreme point of the n-tant and choose the two points as the intersection of the two tangents (so that basically your Bezier polygon is a triangle). Increase the number o...
What is the difference between List (of T) and Collection(of T)?
...
List is faster.
Do for example
private void button1_Click(object sender, EventArgs e)
{
Collection<long> c = new Collection<long>();
Stopwatch s = new Stopwatch();
s.Start();
for (long i = 0; i <= 10000000; ...
How to send password securely over HTTP?
... most known algorithm, but it's quite slow for long keys. I don't know how fast a PHP or Javascript implementation of would be. But probably there are a faster algorithms.
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JPA EntityManager: Why use persist() over merge()?
...u might prefer to have the code throw the PersistenceException so it fails fast.
Although the specification is unclear, persist() might set the @GeneratedValue @Id for an object. merge() however must have an object with the @Id already generated.
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Use a LIKE statement on SQL Server XML Datatype
...hen check with a LIKE statement.
Mind you, this isn't going to be awfully fast. So if you have certain fields in your XML that you need to inspect a lot, you could:
create a stored function which gets the XML and returns the value you're looking for as a VARCHAR()
define a new computed field on y...