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Why doesn't Java Map extend Collection?
...tion?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reasonable answer
is "Key-va...
How to trigger Autofill in Google Chrome?
...uture readers: give your up-votes to her answer.
This is a great question and one for which documentation is surprisingly hard to come by. Actually, in many cases you will find that the Chrome Autofill functionality "just works." For example, the following snippet of html produces a form which, at ...
Changing navigation bar color in Swift
...r?.tabBar.tintColor = UIColor.yellow
On the last two, replace brownColor and yellowColor with the color of your choice.
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How to reference generic classes and methods in xml documentation
... Not sure what you mean about that. I have never had to add those, and it has always worked for me. Do you have a specific example where it doesn't work? If so, please post it somewhere (or even provide an answer yourself.)
– Lasse V. Karlsen
Oct 26 '11...
Convenient C++ struct initialisation
...you don't have to wait, because they are officialy supported by GCC, Clang and MSVC.
#include <iostream>
#include <filesystem>
struct hello_world {
const char* hello;
const char* world;
};
int main ()
{
hello_world hw = {
.hello = "hello, ",
.world = "worl...
How to set the context path of a web application in Tomcat 7.0
...t settings for the root context of the tomcat installation for that engine and host (Catalina and localhost).
Enter the following to the ROOT.xml file;
<Context
docBase="<yourApp>"
path=""
reloadable="true"
/>
Here, <yourApp> is the name of, well, your app.. :)
And t...
Change size of axes title and labels in ggplot2
...
You can change axis text and label size with arguments axis.text= and axis.title= in function theme(). If you need, for example, change only x axis title size, then use axis.title.x=.
g+theme(axis.text=element_text(size=12),
axis.title=eleme...
How do I delete rows in a data frame?
...
The key idea is you form a set of the rows you want to remove, and keep the complement of that set.
In R, the complement of a set is given by the '-' operator.
So, assuming the data.frame is called myData:
myData[-c(2, 4, 6), ] # notice the -
Of course, don't forget to "reassign" ...
Why does this go into an infinite loop?
...ew MutableInt(valueBeforeIncrement);
}
Right? Increment the value passed and return the original value: that's the definition of the postincrement operator.
Now, let's see how this behavior plays out in your example code:
MutableInt x = new MutableInt();
x = postIncrement(x);
postIncrement(x) ...
Call asynchronous method in constructor?
...he best solution is to acknowledge the asynchronous nature of the download and design for it.
In other words, decide what your application should look like while the data is downloading. Have the page constructor set up that view, and start the download. When the download completes update the page ...