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Fastest method to escape HTML tags as HTML entities?
...ng job: sanitizing strings that might contain HTML tags, by converting < , > and & to &lt; , &gt; and &amp; , respectively.
...
Capture characters from standard input without waiting for enter to be pressed
...ot a frequent Windows developer, but I've seen my classmates just include <conio.h> and use it. See conio.h at Wikipedia. It lists getch(), which is declared deprecated in Visual C++.
curses available for Linux. Compatible curses implementations are available for Windows too. It has also a ge...
Standardize data columns in R
... can simply call the scale function on the data to do what you want.
dat <- data.frame(x = rnorm(10, 30, .2), y = runif(10, 3, 5))
scaled.dat <- scale(dat)
# check that we get mean of 0 and sd of 1
colMeans(scaled.dat) # faster version of apply(scaled.dat, 2, mean)
apply(scaled.dat, 2, sd)
...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...adapter.
final int adapterCount = adapter.getCount();
for (int i = 0; i < adapterCount; i++) {
View item = adapter.getView(i, null, null);
layout.addView(item);
}
EDIT: I rejected this approach when I needed to display about 200 non-trivial list items, it is very slow - Nexus 4 needed abo...
Using jQuery to replace one tag with another
... to .replaceWith [docs]:
$('code').replaceWith(function(){
return $("<pre />", {html: $(this).html()});
});
Inside the function, this refers to the currently processed code element.
DEMO
Update: There is no big performance difference, but in case the code elements have other HTML chil...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...rise with plyr 's ddply function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
...
Get local href value from anchor (a) tag
...nt.getElementById("link").getAttribute("href");
If you have more than one <a> tag, for example:
<ul>
<li>
<a href="1"></a>
</li>
<li>
<a href="2"></a>
</li>
<li>
<a href="3"></a>
</...
Show spinner GIF during an $http request in AngularJS?
...v').show();
return data;
};
$httpProvider.defaults.transformRequest.push(spinnerFunction);
})
// register the interceptor as a service, intercepts ALL angular ajax http calls
.factory('myHttpInterceptor', function ($q, $window) {
return function (promise) ...
What is the in a .vimrc file?
I see <leader> in many .vimrc files, and I am wondering what does it mean?
5 Answers
...
How to avoid the “Circular view path” exception with Spring MVC test
...C testing.
When you don't declare a ViewResolver, Spring registers a default InternalResourceViewResolver which creates instances of JstlView for rendering the View.
The JstlView class extends InternalResourceView which is
Wrapper for a JSP or other resource within the same web application.
...