Remove key from C + + Map

I would like to remove a key from a STL map. However, map.erase() doesn't do anything. How would I go about doing this

emacs - Compare price cuts or organizational models

I use Emacs for years, and nowadays, I write a lot of files in org mode, such as notes, plans/conclusions or something else. However but most website support markdown-style ins...

Java generic classes - type determination

If I am creating a java class to be generic, such as: public class Foo<T> How can one determine internally to that class, what 'T' ended up being? public ???? Bar() {...

c# - How to create an XSD schema from a class?

I'm having a hard time with the XSD files. I'm trying to create an XSD file from a class: public enum Levels { Easy, Medium, Hard } public sealed class Configuration { pu...

javascript - Clear cache from rails asset pipeline

I'm starting a new project in Rails, and it looks like the application.js manifest file is doing something funny with the javascripts that I reference - does it cache those fil...

Interview question: set the data structure of all values in O (1)

I encountered the following interview question on the Internet. Describe a data structure for which getValue(int index), setValue(int index, int value), and setAllValues(int v...

c# - The latest reactive extension (Rx) tutorial

I am quite interested in Reactive Extensions but I cannot find an up to date tutorial. I started with Curing the asynchronous blues with the Reactive Extensions for .NET but i...

g++ - C + + error in eclipse ide "nullptr not declared in this scope"

I am running Eclipse Helios and I have g++-4.6 installed. Hope I am not wrong that g++4.6 implements C++ 11 features. I have created a C++ project which uses the nullptr and au...

python - How to make pylab.savefig () saves the image as a maximize window instead of the default size

I am using pylab in matplotlib to create a plot and save the plot to an image file. However, when I save the image using pylab.savefig( image_name ), I find that the SIZE image...

javascript - Use onclick or click binding with knockoutjs to pass parameters

I have this function: function make(place) { place.innerHTML = "somthing" } I used to do this with plain JavaScript and html: <button onclick="make(this.parent)">click...