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Elegant ways to support equivalence (“equality”) in Python classes
...nition of equality (say for example a unique object id, or metadata like a time created stamp).
– Adam Parkin
May 1 '12 at 21:48
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show 9 mo...
Best way to get InnerXml of an XElement?
...esting and not what I expected, with the slowest methods being more than 3 times slower than the fastest.
The results ordered by fastest to slowest:
CreateReader - Instance Hunter (0.113 seconds)
Plain old System.Xml - Greg Hurlman (0.134 seconds)
Aggregate with string concatenation - Mike Powell...
How to set MSDN to be always in English
...
But you need to do this every time, are there settings which always apply? maybe with an microsoft account?
– Jan
Feb 19 '16 at 7:18
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Beyond Stack Sampling: C++ Profilers
...ty much hit a major road block as a windows programmer. I've been using AQTime, I've tried sleepy, shiny, and very sleepy, and as we speak, VTune is installing. I've tried to use the VS2008 profiler, and it's been positively punishing as well as often insensible. I've used the random pause techni...
Override Java System.currentTimeMillis for testing time sensitive code
...there a way, either in code or with JVM arguments, to override the current time, as presented via System.currentTimeMillis , other than manually changing the system clock on the host machine?
...
How to store decimal values in SQL Server?
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For most of the time, I use decimal(9,2) which takes the least storage (5 bytes) in sql decimal type.
Precision => Storage bytes
1 - 9 => 5
10-19 => 9
20-28 => 13
29-38 => 17
It ca...
How do I create delegates in Objective-C?
...tions
Instead of checking whether a delegate responds to a selector every time we want to message it, you can cache that information when delegates are set. One very clean way to do this is to use a bitfield, as follows:
@protocol SomethingDelegate <NSObject>
@optional
- (void)something:(id)...
How can I get “Copy to Output Directory” to work with Unit Tests?
...ith copying the config output from bin or release folder because at design time i don't have information about if the file will be in debug or release folder and for me that is the file which is not getting copied to the Out folder in test results
– Gurpreet
Ma...
Spinlock versus Semaphore
...rocesses, too.
A lock works for mutual exclusion, that is one thread at a time can acquire the lock and proceed with a "critical section" of code. Usually, this means code that modifies some data shared by several threads.
A semaphore has a counter and will allow itself being acquired by one or sev...
What kind of Garbage Collection does Go use?
...tor updates on top of Go 1.1:
concurrent sweep (results in smaller pause times)
fully precise
Go 1.1 garbage collector:
mark-and-sweep (parallel implementation)
non-generational
non-compacting
mostly precise (except stack frames)
stop-the-world
bitmap-based representation
zero-cost when the pr...