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Why do pthreads’ condition variable functions require a mutex?
...s synchronization object, but in a way which is not atomic: there exists a window of time when the thread no longer has the lock, and has not yet begun waiting on the object. During this window, another thread can come in, make the awaited condition true, signal the stateless synchronization and the...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...ransaction, which is very heavy.
For example on Intel Core Duo processor, Windows XP.
Interlocked operation: takes about 40 CPU cycles.
Kernel mode call (i.e. system call) - about 2000 CPU cycles.
If this is the case - you may consider using critical sections. It's a hybrid of a kernel mutex and i...
Is there a Google Voice API? [closed]
...t will still work best in other unrestricted JS environments like node.js, Windows Scripting Host, Rhino engine, and browser extensions/add-ons/widgets.
– David
Feb 1 '12 at 8:25
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How do I change screen orientation in the Android emulator?
...n Mac to change the landscape to portrait and vice versa.
left-ctrl+F11on Windows 7.
ctrl+F11on Linux.
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Redirect to external URI from ASP.NET MVC controller
...aScript
public ActionResult Index()
{
return Content("<script>window.location = 'http://www.example.com';</script>");
}
Note: As @Jeremy Ray Brown said , This is not the best option but you might find useful in some situations.
Hope this helps.
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How to get Activity's content view?
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this.getWindow().getDecorView().findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content).getRootView()
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How to create strings containing double quotes in Excel formulas?
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@Ivanoats: Nope, it's not a Mac thing (using Windows here) - this does work more consistently; in my case, concatenating using & with a double quote just before or just after the ampersand didn't work using the double-double-quote method.
– Amo...
Determining memory usage of objects? [duplicate]
...ion, memory.size() but i have heard and read that it only seems to work on Windows. It just returns a value in MB; so to get max memory used at any time in the session, use memory.size(max=T)).
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Notepad++ - How can I replace blank lines [duplicate]
...ing of the third line.
Use the Ctrl + H to bring up the 'Find and Replace' window.
The highlighed region will already be plased in the 'Find' textbox.
Replace with: \r\n
'Replace All' will then remove all the additional line spaces not required.
Here's how it should look:
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Compiling simple Hello World program on OS X via command line
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Why a.out? In windows I expect to see a.exe. In *nix we don't need extensions. Why use .out over no extension? a is a weird default name too.
– P.Brian.Mackey
Mar 5 '15 at 3:58
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