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What does “atomic” mean in programming?
...eans an operation that appears to be instantaneous from the perspective of all other threads. You don't need to worry about a partly complete operation when the guarantee applies.
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Should I use a data.frame or a matrix?
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Something not mentioned by @Michal is that not only is a matrix smaller than the equivalent data frame, using matrices can make your code far more efficient than using data frames, often considerably so. That is one reason why internally, a lot of R functions will coerce to matrices data th...
Is there a way of setting culture for a whole application? All current threads and new threads?
Is there a way of setting culture for a whole application? All current threads and new threads?
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Date ticks and rotation in matplotlib
... am having an issue trying to get my date ticks rotated in matplotlib. A small sample program is below. If I try to rotate the ticks at the end, the ticks do not get rotated. If I try to rotate the ticks as shown under the comment 'crashes', then matplot lib crashes.
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Service Reference Error: Failed to generate code for the service reference
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Have to uncheck the Reuse types in all referenced assemblies from Configure service reference option
Check this for details
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What is the difference between int, Int16, Int32 and Int64?
...al, on modern computers, an int16 takes as much space as an int32 (and actually an int64) because in order for most operations to be efficient, we pad around the data to make accesses aligned to 32 or 64 bit boundaries (in 32 or 64 bit modes respectively). This is because unaligned accesses are ridi...
How to delete shared preferences data from App in Android
...: SharedPreferences.Editor.remove() followed by a commit()
To remove them all SharedPreferences.Editor.clear() followed by a commit()
If you don't care about the return value and you're using this from your application's main thread, consider using apply() instead.
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LINQPad [extension] methods [closed]
...ed queries / samples (for an example, execute a search using Edit | Search All)
Highlight - wraps an object so that it will highlight in yellow when Dumped
HorizontalRun - lets you Dump a series of objects on the same line
LINQPad also provides the HyperLinq class. This has two purposes: the first...
Are non-synchronised static methods thread safe if they don't modify static class variables?
... case) are also thread-safe because once created they can't be changed and all threads see the same value. On the other hand if the method was accepting (mutable) Date you could have had a problem. Two threads can simultaneously modify that same object instance, causing race conditions and visibilit...
Create an empty data.frame
I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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