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How to determine if a number is a prime with regex?
I found the following code example for Java on RosettaCode :
4 Answers
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Python, compute list difference
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If the order does not matter, you can simply calculate the set difference:
>>> set([1,2,3,4]) - set([2,5])
set([1, 4, 3])
>>> set([2,5]) - set([1,2,3,4])
set([5])
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How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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Check whether number is even or odd
...) { even... } else { odd... }
This is because the low bit will always be set on an odd number.
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Table name as variable
...chema varchar(50)
declare @table varchar(50)
declare @query nvarchar(500)
set @schema = 'dbo'
set @table = 'ACTY'
set @query = 'SELECT * FROM [DB_ONE].['+ @schema +'].[' + @table + '] EXCEPT SELECT * FROM [DB_TWO].['+ @schema +'].[' + @table + ']'
EXEC sp_executesql @query
Since dynamic queries...
git add, commit and push commands in one?
...e change must be deployed to live server even for development. So, we have setup commit hooks to do that. You do a change, commit it and see the change in your app. With git, I need to add, stage then push it to see a single change. Doesn't it look a overkill?
– SenG
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What IDE to use for Python? [closed]
What IDEs ("GUIs/editors") do others use for Python coding?
1 Answer
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Git merge left HEAD marks in my files
... files as needing a merge.
Finally, you always have the option of:
git reset --hard # sounds like --hard is what you need but check other options
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How to pass arguments to a Button command in Tkinter?
...andle(btn['command'])
You can simply think that command option should be set as, the reference to the method we want to be called, similar to callback in button_press_handle.
Calling a Method(Callback) When the Button is Pressed
Without arguments
So if I wanted to print something when the bu...
invalid byte sequence for encoding “UTF8”
...iconv utility to change encoding of the input data.
iconv -f original_charset -t utf-8 originalfile > newfile
You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion".
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