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How to set a default value for an existing column
...exists. It's ridiculous that SQL Server requires a complex join against a system table just to identify the name of the default constraint, which shouldn't be necessary because there can be only one default constraint on a column.
– Triynko
Dec 6 '16 at 3:24
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Getting SyntaxError for print with keyword argument end=' '
...han a linebreak)
If you want more control over the output, consider using sys.stdout directly. This won't do any special magic with the output.
Of course in somewhat recent versions of Python 2.x (2.5 should have it, not sure about 2.4), you can use the __future__ module to enable it in your scrip...
How to dump a dict to a json file?
...only see the output, try redirecting it to stdout: json.dump('SomeText', sys.stdout)
– Arindam Roychowdhury
Dec 14 '16 at 8:48
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Duplicate log output when using Python logging module
...vised that if you log before any handler is added, a default StreamHandler(sys.stderr) will be created.
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Find element's index in pandas Series
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Converting to an Index, you can use get_loc
In [1]: myseries = pd.Series([1,4,0,7,5], index=[0,1,2,3,4])
In [3]: Index(myseries).get_loc(7)
Out[3]: 3
In [4]: Index(myseries).get_loc(10)
KeyError: 10
Duplicate handling
I...
python location on mac osx
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On Mac OS X, it's in the Python framework in /System/Library/Frameworks/Python.framework/Resources.
Full path is:
/System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Btw it's easy to find out where you can find a speci...
Why use 'virtual' for class properties in Entity Framework model definitions?
...ch. These are called getters and setters and at compilation time, they are converted into methods.
//Internally the code looks more like this:
public ICollection<RSVP> get_RSVPs()
{
return _RSVPs;
}
public void set_RSVPs(RSVP value)
{
_RSVPs = value;
}
private RSVP _RSVPs;
That's...
Get list of all tables in Oracle?
...ictionary table). Of course, you may want to exclude certain schemas like SYS and SYSTEM which have large numbers of Oracle tables that you probably don't care about.
Alternatively, if you do not have access to DBA_TABLES, you can see all the tables that your account has access to through the ALL_...
Getting MAC Address
... Used it personally, requires a specific install/compile on each system but works well.
– Aatch
Jun 20 '11 at 17:10
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What is the difference between currying and partial application?
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Currying is converting a single function of n arguments into n functions with a single argument each. Given the following function:
function f(x,y,z) { z(x(y));}
When curried, becomes:
function f(x) { lambda(y) { lambda(z) { z(x(y));...