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How do exceptions work (behind the scenes) in c++
...viously a lot of overhead in actually throwing and catching an exception. Most of it is hidden within __cxa_throw, which must:
Walk the stack with the help of the exception tables until it finds a handler for that exception.
Unwind the stack until it gets to that handler.
Actually call the handler...
用户界面（UI）组件 · App Inventor 2 中文网
... 隐私策略和使用条款 技术支持 service@fun123.cn
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...nd tasks was considered best practice, even in ASP.NET, but then I came across this article that seems to suggest otherwise - the argument being that you should leave the ThreadPool to deal with ASP.NET related requests.
...
How do I daemonize an arbitrary script in unix?
...rmally) fatal signals that should be handled.
– Tim Post♦
Mar 15 '10 at 12:17
Another way to improve this script is ...
Handling click events on a drawable within an EditText
... return false;
}
});
we getRawX() because we want to get the actual position of touch on screen, not relative to parent.
To get left side click
if(event.getRawX() <= (editComment.getCompoundDrawables()[DRAWABLE_LEFT].getBounds().width()))
...
How do I style a dropdown with only CSS?
...right-hand-side of the div.
The advantage of this approach is that it is cross-browser (Internet Explorer 8 and later, WebKit, and Gecko). However, the disadvantage of this approach is that the options drop-down juts out on the right-hand-side (by the 20 pixels which we hid... because the option e...
Realistic usage of the C99 'restrict' keyword?
...aliasing, enabling better optimization by the compiler.
For instance, suppose I have a machine with specialized instructions that can multiply vectors of numbers in memory, and I have the following code:
void MultiplyArrays(int* dest, int* src1, int* src2, int n)
{
for(int i = 0; i < n; i++...
When should one use a spinlock instead of mutex?
...e lock won't be unlocked either. IOW, a spinlock wastes only CPU time on those systems for no real benefit. If the thread was put to sleep instead, another thread could have ran at once, possibly unlocking the lock and then allowing the first thread to continue processing, once it woke up again.
On...
Same Navigation Drawer in different Activities
..., R.drawable.ic_drawer, 0, 0)
{
public void onDrawerClosed(View view)
{
getActionBar().setTitle(R.string.app_name);
}
public void onDrawerOpened(View drawerView)
{
getActionBar().setTitle(R.string...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...erldoc lib
Perl Module Mechanics - a great guide containing practical HOW-TOs
How do I 'use' a Perl module in a directory not in @INC?
Programming Perl - chapter 31 part 13, ch 7.2.41
How does a Perl program know where to find the file containing Perl module it uses?
There does not seem to be a co...