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Comments in Android Layout xml
...
As other said, the comment in XML are like this
<!-- this is a comment -->
Notice that they can span on multiple lines
<!--
This is a comment
on multiple lines
-->
But they cannot be nested
<!-- This <!-- is a comment --> This is not -->...
How can I scale an image in a CSS sprite
...wo elements and scale the sprite by using it with an img tag, like this:
<div class="sprite-image"
style="width:20px; height:20px; overflow:hidden; position:relative">
<!-- set width/height proportionally, to scale the sprite image -->
<img src="sprite.png" alt="icon"
...
What is more efficient? Using pow to square or just multiply it with itself?
...erence between x*x*... vs pow(x,i) for small i using this code:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::microsec_clock::local_time();
}
#define TEST(num, expres...
What is std::promise?
... a std::future is an asynchronous return object ("an object that reads results from a shared state") and a std::promise is an asynchronous provider ("an object that provides a result to a shared state") i.e. a promise is the thing that you set a result on, so that you can get it from the associated ...
Algorithm to detect overlapping periods [duplicate]
...
Simple check to see if two time periods overlap:
bool overlap = a.start < b.end && b.start < a.end;
or in your code:
bool overlap = tStartA < tEndB && tStartB < tEndA;
(Use <= instead of < if you change your mind about wanting to say that two periods that jus...
Create code first, many to many, with additional fields in association table
...}
public string LastName { get; set; }
public virtual ICollection<MemberComment> MemberComments { get; set; }
}
public class Comment
{
public int CommentID { get; set; }
public string Message { get; set; }
public virtual ICollection<MemberComment> MemberComments { ...
How to inspect the return value of a function in GDB?
...rification; I'd assumed you were using x86. But unless you're going to be scripting GDB across multiple architectures, I don't see a good reason not to use "print $g0", which doesn't have any side effects (unlike the other answers).
– Adam Rosenfield
Nov 6 '08...
How to git-svn clone the last n revisions from a Subversion repository?
...lows by ...
I wasn't satisfied with the accepted answer so I created some scripts to do this for you available on Github. These should help anyone who wants to use git svn clone but doesn't want to clone the entire repository and doesn't want to hunt for a specific revision to clone from in the mi...
IE7 Z-Index Layering Issues
...pecifying it relative to other elements in the same stacking context, and although the CSS spec's paragraph on Z-index says a new stacking context is only created for positioned content with a z-index other than auto (meaning your entire document should be a single stacking context), you did constru...
Limit a stream by a predicate
...
Here's an untested implementation of takeWhile on a Spliterator:
static <T> Spliterator<T> takeWhile(
Spliterator<T> splitr, Predicate<? super T> predicate) {
return new Spliterators.AbstractSpliterator<T>(splitr.estimateSize(), 0) {
boolean stillGoing = tru...