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How to remove all of the data in a table using Django
...4.html') ##
it ended deleting all entries from - model == model_4 , but now i get to see a Error screen within Admin console when i try to asceratin that all objects of model_4 have been deleted ...
ProgrammingError at /admin/dc_dash/model_4/
relation "dc_dash_model_4" does not exist
LINE 1: SEL...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...is helps someone out there because I was struggling with it for a bit just now!
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How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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SQL Server: Query fast, but slow from procedure
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This can now be achieved using the query hint - OPTION (OPTIMIZE FOR (@varA UNKNOWN, @varB UNKNOWN)
– Dave
Feb 20 '17 at 21:08
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How to round a number to significant figures in Python
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I have created a package that does this now and is probably easier and more robust than this one. Post Link, Repo Link. Hope this helps!
– William Rusnack
May 23 '17 at 12:09
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__lt__ instead of __cmp__
...ot self<other
def __le__(self, other):
return not other<self
Now your class can define just __lt__ and multiply inherit from ComparableMixin (after whatever other bases it needs, if any). A class decorator would be quite similar, just inserting similar functions as attributes of the ne...
How to write to Console.Out during execution of an MSTest test
...thod]
public void TestMethod1()
{
Debug.WriteLine("Time {0}", DateTime.Now);
System.Threading.Thread.Sleep(30000);
Debug.WriteLine("Time {0}", DateTime.Now);
}
Output
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Does C have a “foreach” loop construct?
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As you probably already know, there's no "foreach"-style loop in C.
Although there are already tons of great macros provided here to work around this, maybe you'll find this macro useful:
// "length" is the length of the array.
#define each(item, ...
How to get the parents of a Python class?
...'object'>)
>>>
There you have it. The "best" answer right now, has 182 votes (as I am typing this) but this is SO much simpler than some convoluted for loop, looking into bases one class at a time, not to mention when a class extends TWO or more parent classes. Importing and using ...
Why declare unicode by string in python?
...nsparently by the interpreter; the most obvious difference is that you can now embed unicode characters in the string (that is, u'\u2665' is now legal). You can use from __future__ import unicode_literals to make it the default.
This only applies to Python 2; in Python 3 the default is Unicode, an...