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Static implicit operator
... like two totally unrelated types, there is actually a way to convert from one to the other; just let me handle the logic for how to do it."
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Pull request without forking?
... Just a reminder for something that may not be as clear to everyone. You need to create a fork for every repository you contribute to... but creating branches in your fork allows you to work one more than one PR at once for the upstream repo. You don't need 20 forks from the same repo to ...
Presenting a UIAlertController properly on an iPad using iOS 8
...ference to the UIAlertController's UIPopoverPresentationController and set one of the properties as follows:
alertController.popoverPresentationController.barButtonItem = button;
sample code:
UIAlertAction *actionDelete = nil;
UIAlertAction *actionCancel = nil;
// create action sheet
UIAlertCon...
How to set NODE_ENV to production/development in OS X
...imilarly to how makefile works. Using it as this example or as you've mentioned to run gulp is a perfectly reasonable use case. For simple tasks I now don't even use gulp and do it all inside the script, it's much faster to get stuff working and I let webpack do the work which used to be done by gul...
Get first day of week in SQL Server
... behavior will change. Depending on which behavior you want, you could use one of these functions:
CREATE FUNCTION dbo.StartOfWeek1 -- always a Sunday
(
@d DATE
)
RETURNS DATE
AS
BEGIN
RETURN (SELECT DATEADD(WEEK, DATEDIFF(WEEK, '19050101', @d), '19050101'));
END
GO
...or...
CREATE FUNCT...
How to plot two columns of a pandas data frame using points?
I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
...
Installing Java on OS X 10.9 (Mavericks)
...va package for OS X, which is in Java for OS X 2013-005.
Update: As mentioned in the comments below, there is a newer version of this same package:
Java for OS X 2014-001
Java for OS X 2014-001 (Correcting dead line above)
Java for OS X 2014-001 includes installation improvements, and supers...
Multiprocessing: How to use Pool.map on a function defined in a class?
... This has worked very well for me, thank you. I have found one weakness: I tried using parmap on some functions that passed around a defaultdict and got the PicklingError again. I did not figure out a solution to this, I just reworked my code to not use the defaultdict.
...
socket.error: [Errno 48] Address already in use
...SimpleHTTPServer
The command arguments are included, so you can spot the one running SimpleHTTPServer if more than one python process is active. You may want to test if http://localhost:8000/ still shows a directory listing for local files.
The second number is the process number; stop the server...
insert a NOT NULL column to an existing table
...orry about creating and deleting a default constraint where you don't need one.
– Mark W Dickson
Oct 23 '13 at 22:08
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