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Debugging doesn't start [closed]
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Thank you for this. Lost two hours of my life trying to solved this!
– Paul Alexander
Feb 2 '17 at 16:02
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Solving “Who owns the Zebra” programmatically?
...n in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pets = "birds dog cats horse zebra".split(...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
... way of counting, and the warning is nothing more than a warning. However if you are concerned, and you want to get a true count of uids in this case then you could use:
SUM(CASE WHEN [uid] IS NULL THEN 0 ELSE 1 END) AS [new_count]
This would not add a lot of overheads to your query.
(tested mss...
Unit tests vs Functional tests
What is the difference between unit tests and functional tests? Can a unit test also test a function?
14 Answers
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How to create a unique index on a NULL column?
...rdingly. It's actually a failure in in SQL Server to honor various SQL specifications: here is a link for a request for the "correct implementation" for what it is worth: connect.microsoft.com/SQLServer/feedback/details/299229/….
– user166390
Aug 8 '10 at 5:0...
Convert a python dict to a string and back
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If your dictionary isn't too big maybe str + eval can do the work:
dict1 = {'one':1, 'two':2, 'three': {'three.1': 3.1, 'three.2': 3.2 }}
str1 = str(dict1)
dict2 = eval(str1)
print dict1==dict2
You can use ast.literal_ev...
Convert Set to List without creating new List
...t);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as values, in order to have k different values, you need to create k different lists.
Thus: You cannot avoid creating these lists at all, the lists will have to be created.
Possible work ...
Import / Export database with SQL Server Server Management Studio
..., Tasks -> Generate Scripts...
Then follow the wizard.
For SSMS2008+, if you want to also export the data, on the "Set Scripting Options" step, select the "Advanced" button and change "Types of data to script" from "Schema Only" to "Data Only" or "Schema and Data".
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How to uncompress a tar.gz in another directory
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You can use the option -C (or --directory if you prefer long options) to give the target directory of your choice in case you are using the Gnu version of tar. The directory should exist:
mkdir foo
tar -xzf bar.tar.gz -C foo
If you are not using a tar capable of ...
Objective-C pass block as parameter
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Typedefs not only make the code easier to write, but significantly easier to read since block/function pointer syntax isn't the cleanest.
– pyj
Oct 18 '14 at 15:12
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