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JavaScript: How to find out if the user browser is Chrome?
...w Opera 18+ also outputs to true for window.chrome. Looks like Opera 18 is based on Chromium 31. So I added a check to make sure the window.navigator.vendor is: "Google Inc" and not is "Opera Software ASA". Also thanks to Ring and Adrien Be for the heads up about Chrome 33 not returning true anymore...
Do sessions really violate RESTfulness?
...he client, a session cookie is exactly the same as any
other HTTP header based authentication mechanism, except that it uses
the Cookie header instead of the Authorization or some other
proprietary header.
By session cookies you store the client state on the server and so your request has a ...
What are markers in Java Logging frameworks and what is a reason to use them?
...arked with the NOTIFY_ADMIN marker regardless of the log level. See marker-based triggering in the logback documentation. You may also combine log levels and markers for triggering.
Filtering: Markers are very useful for making certain valuable log statements stand out. For example, you can color/...
What does “dereferencing” a pointer mean?
... (C++ only) direct or indirect member variables of static objects or their bases, or undergo zero initialisation (e.g. new T(); and new T(x, y, z); perform zero-initialisation on T's members including pointers, whereas new T; does not).
Further, when you assign 0, NULL and nullptr to a pointer the ...
Sell me on const correctness
...
Very few people always get to start with clean code bases. Most coding is maintenance on legacy code, where the quoted comment is quite accurate. I use const when writing new leaf functions, but I question whether it's worth chasing things through half a dozen or a dozen cal...
Will Google Android ever support .NET? [closed]
...cumentation
Tutorials: http://monodroid.net/Tutorials
Mono on Android is based on the Mono 2.10 runtime, and defaults to 4.0 profile with the C# 4.0 compiler and uses Mono's new SGen garbage collection engine, as well as our new distributed garbage collection system that performs GC across Java an...
@ character before a function call
...
http://www.faqts.com/knowledge_base/view.phtml/aid/18068/fid/38
All PHP expressions can be called with the "@" prefix, which turns off
error reporting for that particular expression.
...
What is the difference between build.sbt and build.scala?
...eys._
object Build extends Build {
lazy val root = Project(id = "root", base = file(".")).settings(
name := "hello",
version := "1.0"
)
}
The .sbt file can also include vals, lazy vals, and defs (but not objects and classes).
See the SBT document called ".scala build definition...
What are some resources for getting started in operating system development? [closed]
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Write a microcontroller OS. I recommend an x86 based microcontroller. A modern OS is just huge. Learn the basics first.
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Can an ASP.NET MVC controller return an Image?
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Use the base controllers File method.
public ActionResult Image(string id)
{
var dir = Server.MapPath("/Images");
var path = Path.Combine(dir, id + ".jpg"); //validate the path for security or use other means to generate the...