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setState vs replaceState in React.js
...at you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passed as the state, i.e. replaceState(x), and once it's set...
How to convert R Markdown to PDF?
I've previously asked about the commands for converting R Markdown to HTML .
8 Answers
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What is the difference between a Docker image and a container?
When using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image.
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comparing sbt and Gradle [closed]
...ed sbt. I have been quite happy with Gradle in java/groovy projects, and I know there's a scala plugin for Gradle.
5 Answer...
Is there a way to use shell_exec without waiting for the command to complete?
I have a process intensive task that I would like to run in the background.
8 Answers
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CURL to access a page that requires a login from a different page
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The web site likely uses cookies to store your session information. When you run
curl --user user:pass https://xyz.com/a #works ok
curl https://xyz.com/b #doesn't work
curl is run twice, in two separate sessions. Thus when the second co...
Why does an NSInteger variable have to be cast to long when used as a format argument?
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Martin RMartin R
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Should I use an exception specifier in C++?
...to write with exception specifications,
template<class T>
void f( T k )
{
T x( k );
x.x();
}
The copies might throw, the parameter passing might throw, and x() might throw some unknown exception.
Exception-specifications tend to prohibit extensibility.
virtual void open() throw( ...
javascript: recursive anonymous function?
...ion" statement. In other words:
(function foo() { foo(); })();
is a stack-blowing recursive function. Now, that said, you probably don't may not want to do this in general because there are some weird problems with various implementations of Javascript. (note — that's a fairly old comment; som...
How do I resize a Google Map with JavaScript after it has loaded?
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If you're using Google Maps v2, call checkResize() on your map after resizing the container. link
UPDATE
Google Maps JavaScript API v2 was deprecated in 2011. It is not available anymore.
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