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Why use Ruby instead of Smalltalk? [closed]
...e is no best language and any software engineer can do lisp, scheme, ruby, php or c or whatever. And if he can't, he can learn it in 2 weeks. A language is just a tool. You don't need to sleep with it.
– Edgar Klerks
Apr 7 '15 at 18:15
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What's the difference between IComparable & IEquatable interfaces?
...atable tests whether two objects are equal.
IComparable imposes a total ordering on the objects being compared.
For example, IEquatable would tell you that 5 is not equal to 7. IComparable would tell you that 5 comes before 7.
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Can I control the location of .NET user settings to avoid losing settings on application upgrade?
... a SHA1 hash of evidence gathered from the CurrentDomain, in the following order of preference:
1. StrongName
2. URL:
If neither of these is available, use the .exe path.
<version> is the AssemblyInfo's AssemblyVersionAttribute setting.
Full description is here http://msdn.microsoft.c...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...ersion of this implementation is UNSAFE. You should not rely on dictionary order. For example doing d=dict(**d) may change the iteration order of keys.
– xaviersjs
Oct 2 '19 at 0:08
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Get unique values from a list in python [duplicate]
...nt(output)
As it has been pointed out, sets do not maintain the original order. If you need that, you should look for an ordered set implementation (see this question for more).
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C# constructor execution order
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The order is:
Member variables are initialized to default values for all classes in the hierarchy
Then starting with the most derived class:
Variable initializers are executed for the most-derived type
Constructor chaining ...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
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Restarting nginx and php-fpm also released enough memory to allow mysql to start! Thanks!
– msEmmaMays
May 6 '13 at 17:15
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What is the meaning of “non temporal” memory accesses in x86
...Therefore non-temporal stores must be followed by an SFENCE instruction in order for their results to be seen by other processors in a timely fashion.
When data is produced and not (immediately) consumed again, the fact that memory store operations read a full cache line first and then modify the c...
C++ Singleton design pattern
...ingleton: How should it be used
See this two article about initialization order and how to cope:
Static variables initialisation order
Finding C++ static initialization order problems
See this article describing lifetimes:
What is the lifetime of a static variable in a C++ function?
See this ...
Does a foreign key automatically create an index?
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Say you have a big table called orders, and a small table called customers. There is a foreign key from an order to a customer. Now if you delete a customer, Sql Server must check that there are no orphan orders; if there are, it raises an error.
To check ...