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What is the correct way to create a single-instance WPF application?
...is loading an application and it is already open and you're giving them an error message like 'Another instance of the app is running. Bye' then they're not gonna be a very happy user. You simply MUST (in a GUI application) switch to that application and pass in the arguments provided - or if comman...
Try-catch speeding up my code?
...ot at the mercy of tiny timings, floating point arithmetic and accumulated error.
Having made that change, see whether the "non-catch" version is still slower than the "catch" version.
EDIT: Okay, I've tried it myself - and I'm seeing the same result. Very odd. I wondered whether the try/catch was...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
...ith the parent directive.
Moreover, if such a controller is not found, an error will be raised.
Why use link at all
There is no real need to use the link function if one is defining the controller since the $scope is available on the controller. Moreover, while defining both link and controller, ...
Node.js vs .Net performance
...xception message to console
/// </summary>
private void PrintError(string msg, Exception ex = null, params object[] args)
{
StringBuilder sb = new System.Text.StringBuilder();
sb.Append("Error: ");
sb.AppendFormat(msg, args);
if (ex != null)
...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...e. {} and [] both return a string, so you are done.
Otherwise, throw a TypeError.
For dates, step 1 and 2 are swapped. You can observe the conversion behavior as follows:
var obj = {
valueOf: function () {
console.log("valueOf");
return {}; // not a primitive
},
toStri...
Benchmarking (python vs. c++ using BLAS) and (numpy)
... is probably broken.)
Your CalcTime function in C++ seems to have a sign error. ... + ((double)start.tv_usec)) should be instead ... - ((double)start.tv_usec)). Perhaps your benchmark also has other bugs, e.g., comparing between different BLAS libraries, or different BLAS settings such as number o...
Multiple github accounts on the same computer?
... You will probably also need to run $ ssh-add ~/.ssh/id_rsa_COMPANY - see Error: Permission denied (publickey) - User Documentation
– Pat
Nov 23 '14 at 21:20
...
How are virtual functions and vtable implemented?
...cast to Foo
(void(*)(Foo*)) destructBar, // must cast type to avoid errors
(int(*)(Foo*)) aBar
};
void constructBar(Bar* self) { // Bar::Bar()
self->base.vtable = &vtableBar; // point to Bar vtable
}
function f performing virtual function call
void f(Foo* arg) { ...
Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine
...directly related to a view that are in a separate file, it's a programming error if you don't include your script along with your view. Having it in a separate file separates interaction from presentation and allows an abundance of other benefits from it being in a separate file.
...
Why would one use nested classes in C++?
...
struct Impl; std::auto_ptr<Impl> impl; This error was popularized by Herb Sutter. Don't use auto_ptr on incomplete types, or at least take precautions to avoid wrong code being generated.
– Gene Bushuyev
Dec 31 '10 at 20:00
...