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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
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First, we'll take a bog-standard abstract UDT (User-Defined Type):
struct foo { virtual void f() = 0; }; // normal abstract type
foo obj;
// error: cannot declare variable 'obj' to be of abstract type 'foo'
Let's also recall that we can instantiate...
How to add texture to fill colors in ggplot2
I'm currently using scale_brewer() for fill and these look beautiful in color (on screen and via color printer) but print relatively uniformly as greys when using a black and white printer. I searched the online ggplot2 documentation but didn't see anything about adding textures to fill colors. ...
string.ToLower() and string.ToLowerInvariant()
What's the difference and when to use what? What's the risk if I always use ToLower() and what's the risk if I always use ToLowerInvariant() ?
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Stored procedure slow when called from web, fast from Management Studio
...in the past, so I'm eager to see a resolution to this question. Aaron Bertrand's comment on the OP led to Query times out when executed from web, but super-fast when executed from SSMS, and while the question is not a duplicate, the answer may very well apply to your situation.
In essence, it sound...
How to manually set an authenticated user in Spring Security / SpringMVC
.... This code is used within a Spring Webflow flow, hence the RequestContext and ExternalContext classes. But the part that is most relevant to you is the doAutoLogin method.
public String registerUser(UserRegistrationFormBean userRegistrationFormBean,
RequestContext reque...
IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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Why is enum class preferred over plain enum?
...ce between the two?
enum classes - enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int)
Plain enums - where enumerator names are in the same scope as the enum and their
values implicitly convert to integers and other types
Ex...
angularjs directive call function specified in attribute and pass an argument to it
...o use a callback expression which does not require defining the expressionHandler. In marko's example change:
In template
<div my-method="theMethodToBeCalled(myParam)"></div>
In directive link function
$(element).click(function( e, rowid ) {
scope.method({myParam: id});
});
This...
GitHub: make fork an “own project”
...t it seems the original author hasn't got the time to review these changes and include them. In fact, it is even possible that the features I need and implemented are not in the vision of the original author and we simply aim at different goals. I don't know as I never got responses from him.
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Is there a job scheduler library for node.js? [closed]
...hould be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
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