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Difference between DirectCast() and CType() in VB.NET
... convert a string to an integer. It has as much power as calling Convert.To___() in C#, where the ___ is the target type of your cast.
This is desirable because it's very powerful. However, this power comes at the cost of performance; it's not as fast as DirectCast() or C#'s cast operator because i...
What is the performance cost of having a virtual method in a C++ class?
...3ghz in-order PowerPC processor. On that architecture, a virtual function call costs 7 nanoseconds longer than a direct (non-virtual) function call.
So, not really worth worrying about the cost unless the function is something like a trivial Get()/Set() accessor, in which anything other than inli...
How do I create a URL shortener?
...two character checksum to the url. That would prevent direct iteration of all the urls in your system. Something simple like f(checksum(id) % (62^2)) + f(id) = url_id
– koblas
Sep 4 '10 at 13:53
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How do you run NUnit tests from Jenkins?
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I don't really see how this is enough. Is it normal to only have one (or a few) test dlls? We have a load of them, and they get created and removed often. Shouldn't there be a way to do this without having to hard code the test in to j...
Are there strongly-typed collections in Objective-C?
...hich means that the runtime doesn't care about the type of an object since all objects can receive messages. When you add an object to a built-in collection, they are just treated as if they were type id. But don't worry, just send messages to those objects like normal; it will work fine (unless of ...
How to check what version of jQuery is loaded?
... containing the version number.
If you get back a version number -- usually as a string -- then jQuery is loaded and that is what version you're working with. If not loaded then you should get back undefined or maybe even an error.
Pretty old question and I've seen a few people that have alrea...
How does Google Instant work?
...xactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
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Rails 4 LIKE query - ActiveRecord adds quotes
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Should really be easy to create a func to do this dynamically with a list of attributes
– cevaris
Feb 28 '16 at 17:16
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How can I find the version of the Fedora I use?
...something like:
$ source /etc/os-release
$ echo $ID
fedora
$ echo $VERSION_ID
17
$ echo $VERSION
17 (Beefy Miracle)
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Mocking Extension Methods with Moq
... DoWorkMethod
{
[ExcludeFromCodeCoverage]
get { return _DoWorkMethod ?? (_DoWorkMethod = (obj, val) => { return obj.DoWork(val); }); }
set { _DoWorkMethod = value; }
} private Func<IMyObject, string, object> _DoWorkMethod;
Then you call the Func instead of ...