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How exactly does a generator comprehension work?
... # notice it's a generator object
<generator object <genexpr> at 0x7f2ad75f89e0>
>>> len(filtered_gen) # So technically, it has no length
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
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How to get the home directory in Python?
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edited Apr 17 at 18:10
Arsen Khachaturyan
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a...
Declare variable in table valued function
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209
There are two flavors of table valued functions. One that is just a select statement and one th...
How do you implement a private setter when using an interface?
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– Marcello Nicoletti
Feb 26 '18 at 21:40
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Best way to check if UITableViewCell is completely visible
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function declaration isn't a prototype
...oo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be presen...
CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
...#box2 { position: absolute }
#box3 { position: absolute; top: 10px }
/* Styling */
#box1 { background: #efe; padding: 5px; width: 125px }
#box2 { background: #fee; padding: 2px; width: 100px; height: 100px }
#box3 { background: #eef; paddi...
Combine --user with --prefix error with setup.py install
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160
One time workaround:
pip install --user --install-option="--prefix=" <package_name>
or
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ModelState.IsValid == false, why?
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About "can it be that 0 errors and IsValid == false": here's MVC source code from https://github.com/Microsoft/referencesource/blob/master/System.Web/ModelBinding/ModelStateDictionary.cs#L37-L41
public bool IsValid {
get {
return Valu...
TimeStamp on file name using PowerShell
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edited Dec 14 '16 at 20:13
Peter Mortensen
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