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Android ImageView Zoom-in and Zoom-Out
I want to Zoom-in and Zoom-out an Android ImageView. I tried most of the samples but in all of them the image in the ImageView itself is getting Zoomed-in and Zoomed-out, while I want to Zoom-in and Zoom-out the ImageView. I want to increase the ImageView width and height while Zooming-in and reduce...
How exactly does CMake work?
...ed files do.
CMake introduces a lot of complexity into the build system, most of which only pays off if you use it for building complex software projects.
The good news is that CMake does a good job of keeping a lot of this messiness away from you: Use out-of-source builds and you don't even have ...
What is Cache-Control: private?
...8 GMT
The server receives the request, realizes that the client has the most recent version already. Rather than sending the client 200 OK, followed by the contents of the page, instead it tells you that your cached version is good:
304 Not Modified
Your browser did have to suffer the delay of ...
Why should C++ programmers minimize use of 'new'?
...ith no apparent benefit.
Why you should use automatic storage as often as possible
Basically, the last paragraph sums it up. Using automatic storage as often as possible makes your programs:
faster to type;
faster when run;
less prone to memory/resource leaks.
Bonus points
In the referenced quest...
Why em instead of px?
...tter choice than the other (or both wouldn't have been given their own purpose in the spec). It may even be worth noting that StackOverflow makes extensive use of px units. It is not the poor choice Spoike was told it was.
Definition of units
px is an absolute unit of measurement (like in, pt, ...
overlay two images in android to set an imageview
... android:left, android:right, android:top and android:down to control the position of one of the layers in the .xml file.
– zabawaba99
Oct 24 '12 at 3:44
...
What does Docker add to lxc-tools (the userspace LXC tools)?
If you take a look at Docker's features, most of them are already provided by LXC.
5 Answers
...
Multithreading: What is the point of more threads than cores?
...
The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you hav...
C++ Dynamic Shared Library on Linux
...ual otherwise linker will try to perform static linkage */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#include "myclass.h"
#include <iostream>
using namespace std;
extern "C" MyClass* create_object()
{
return new MyClass;
}
extern "C" void destroy_object( My...
Why does changing 0.1f to 0 slow down performance by 10x?
... (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-point can be tens to hundreds of times slower than on normalized floating-point. This is because many processors can't handle them dire...