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Maven Install on Mac OS X
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OS X prior to Mavericks (10.9) actually comes with Maven 3 built in.
If you're on OS X Lion, you won't have java installed by default. Just run java by itself and it'll prompt you to install it.
Assuming qualifications are met, run mvn -version ...
How can I perform a reverse string search in Excel without using VBA?
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14 Answers
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MySQL - Get row number on select
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183
Take a look at this.
Change your query to:
SET @rank=0;
SELECT @rank:=@rank+1 AS rank, itemI...
What is the difference between Lisp-1 and Lisp-2?
I have tried to understand the difference between Lisp-1 and Lisp-2 and how this relates to Clojure but I still do not understand properly. Can anyone enlighten me?
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Difference between dispatch_async and dispatch_sync on serial queue?
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410
Yes. Using serial queue ensure the serial execution of tasks. The only difference is that dispa...
Regex for string not ending with given suffix
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answered May 6 '13 at 12:29
stemastema
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“Insert if not exists” statement in SQLite
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147
If you have a table called memos that has two columns id and text you should be able to do lik...
Converting strings to floats in a DataFrame
...or pd.to_numeric as described in other
answers.
This is available in 0.11. Forces conversion (or set's to nan)
This will work even when astype will fail; its also series by series
so it won't convert say a complete string column
In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series([...
“Comparison method violates its general contract!”
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11 Answers
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
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155
If you find yourself doing things like this regularly it may be worth investigating the object...