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What's the difference between IEquatable and just overriding Object.Equals()?
...at classes such as List<T>, Dictionary<K,V>, HashSet<T>, etc. These structures make heavy use of GetHashCode and Equals. But for value types this required boxing. IEquatable<T> lets a structure implement a strongly typed Equals method so no boxing is required. Thus much bette...
Canary release strategy vs. Blue/Green
... version will perform (integrate with other apps, CPU, memory, disk usage, etc).
Blue/Green:
It is more about the predictable release with zero downtime deployment.
Easy rollbacks in case of failure.
Completely automated deployment process
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design a stack such that getMinimum( ) should be O(1)
...ent than two stacks of the same size (fewer overheads - arrays, list nodes etc) although it will depend on language.
– Jon Skeet
Mar 26 '09 at 10:30
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Understanding prototypal inheritance in JavaScript
...ALL instances. This means inst1.arr.push['three'], inst2.arr.push['four'], etc., will show up for all instances! Essentially, static behavior that you probably don't want.
You second block defines the fly method in the constructor. This means for every time that it's called, a "method object" will b...
Configuring Log4j Loggers Programmatically
... on the root logger with
Logger.getRootLogger().getLoggerRepository().resetConfiguration();
and start with adding your own. You need log4j in the classpath of course for this to work.
Remark:
You can take any Logger.getLogger(...) you like to add appenders. I just took the root logger because i...
How to swap files between windows in VIM?
... an easy way, to swap those windows in places. Is there any Plugin, Macro, etc to make this more easy? BTW, I use MiniBufExplorer.
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Setting PayPal return URL and making it auto return?
...PayPal will send requests to that page to notify you when payments/refunds/etc. go through. That IPN handler page would then be the correct place to update the database to mark orders as having been paid.
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The difference between fork(), vfork(), exec() and clone()
...ch data structures (memory space, processor state, stack, PID, open files, etc) are shared or not.
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In C# what is the difference between a destructor and a Finalize method in a class?
...nmanaged recources in the dispose
method like database connection, files etc. The class implementing
dispose method should implement IDisposable interface.A Dispose method
should call the GC.SuppressFinalize method for the object it is
disposing if the class has desturctor because it has alr...
What is external linkage and internal linkage?
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When you write an implementation file (.cpp, .cxx, etc) your compiler generates a translation unit. This is the source file from your implementation plus all the headers you #included in it.
Internal linkage refers to everything only in scope of a translation unit.
Externa...