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How to serve an image using nodejs
...
2016 Update
Examples with Express and without Express that actually work
This question is over 5 years old but every answer has some problems.
TL;DR
Scroll down for examples to serve an image with:
express.static
express
connect
http
net
All of the exa...
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...
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...
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) ...
Serializing with Jackson (JSON) - getting “No serializer found”?
...Visibility(PropertyAccessor.FIELD, Visibility.ANY);
For more information and details on related configuration options, I recommend reviewing the JavaDocs on ObjectMapper.setVisibility().
share
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i...
Parse an HTML string with JS
...
Create a dummy DOM element and add the string to it. Then, you can manipulate it like any DOM element.
var el = document.createElement( 'html' );
el.innerHTML = "<html><head><title>titleTest</title></head><body><...
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 ...