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What is a memory fence?
...ntation, at Documentation/memory-barriers.txt.
Most of the time, it's best to use locking primitives from your compiler or standard library; these are well tested, should have all the necessary memory barriers in place, and are probably quite optimized (optimizing locking primitives is tricky; ...
How do I get a background location update every n minutes in my iOS application?
...nce;
instance.locationManager.desiredAccuracy = kCLLocationAccuracyBest; // you can use kCLLocationAccuracyHundredMeters to get better battery life
instance.locationManager.pausesLocationUpdatesAutomatically = NO; // this is important
});
return sharedInstance;
}
- (void)st...
How to align checkboxes and their labels consistently cross-browsers
...till better off with conditional comments; just used it for simplicity.
As best I can tell, the only vertical-align statement that was consistent across browsers was vertical-align: bottom. Setting this and then relatively positioning upwards behaved almost identically in Safari, Firefox and IE wit...
What is meant by “managed” vs “unmanaged” resources in .NET?
... method Marshal.AllocHGlobal() it's an unmanaged resource in this case the best practice is uses a destructor (~ ctor) and call the Marshal.FreeHGlobal() to release this memory.
– Ygor Thomaz
Jul 30 '14 at 17:13
...
“Debug only” code that should run only when “turned on”
...ution (having to have the two preprocessor sections), but perhaps it's the best C# can do for what I want.
– Matt Smith
Feb 22 '11 at 16:59
6
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multiprocessing: sharing a large read-only object between processes?
...red_memory)
Processes have independent memory space.
Solution 1
To make best use of a large structure with lots of workers, do this.
Write each worker as a "filter" – reads intermediate results from stdin, does work, writes intermediate results on stdout.
Connect all the workers as a pipeline...
Split (explode) pandas dataframe string entry to separate rows
...
This one is the easiest and fits best in my case! thanks!
– Isaac Sim
Jan 17 at 0:53
1
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Need to understand the usage of SemaphoreSlim
...end to die over time thus rendering the answer worthless. If you can, it's best to summarise the key points or key code block into your answer.
– John
May 19 '18 at 9:23
add a...
How to commit no change and new message?
...sage affect those applications. Is there a better way? This seems like the best solution in my case. The only thing I can imagine would be somehow being able to revert the previous commit.
– sytech
Aug 18 '17 at 19:48
...
Stop and Start a service via batch or cmd file?
...
Using the return codes from net start and net stop seems like the best method to me. Try a look at this: Net Start return codes.
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