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What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
... / \
str unicode
'basestring' introduced in Python 2.3 can be thought of as a step in the direction of string unification as it can be used to check whether an object is an instance of str or unicode
>>> string1 = "I am a plain string"
>>> string2 = u"I am...
What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
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129
The first declaration tells the compiler that someArray is at least 100 elements long. This can...
Good examples of MVVM Template
... article demonstrates data validation
http://blogs.msdn.com/wpfsdk/archive/2007/10/02/data-validation-in-3-5.aspx
Again, most ORM solutions generate classes that already implement IDataErrorInfo and typically provide a mechanism to make it easy to add custom validation rules.
Most of the time you ...
count (non-blank) lines-of-code in bash
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edited Sep 22 '08 at 13:37
answered Sep 22 '08 at 13:23
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“FOUNDATION_EXPORT” vs “extern”
...EXPORT compiles to extern in C, extern "C" in C++, and other things in Win32. So, it's more compatible across languages and operating systems. For many projects, this won't make any difference.
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Android Studio says “cannot resolve symbol” but project compiles
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Relative frequencies / proportions with dplyr
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295
Try this:
mtcars %>%
group_by(am, gear) %>%
summarise(n = n()) %>%
mutate(freq...
Any reason why scala does not explicitly support dependent types?
...lass Bar }
defined class Foo
scala> val foo1 = new Foo
foo1: Foo = Foo@24bc0658
scala> val foo2 = new Foo
foo2: Foo = Foo@6f7f757
scala> implicitly[foo1.Bar =:= foo1.Bar] // OK: equal types
res0: =:=[foo1.Bar,foo1.Bar] = <function1>
scala> implicitly[foo1.Bar =:= foo2.Bar] // N...
Vim Insert Mode on Mac OS X
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If this is as simple a question as it seems, you merely press i.
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git push says “everything up-to-date” even though I have local changes
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