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how do I make a single legend for many subplots with matplotlib?
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There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments:
handles, labels = ax.get_legend_handles_labels()
fig.legend(handles, labels, loc='upper c...
Why do we need fibers
...<Enumerator: 1:upto(10)>
These Enumerators are Enumerable objects, and their each methods yield the elements which would have been yielded by the original iterator method, had it been called with a block. In the example I just gave, the Enumerator returned by reverse_each has a each method w...
How do you create a yes/no boolean field in SQL server?
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The equivalent is a BIT field.
In SQL you use 0 and 1 to set a bit field (just as a yes/no field in Access). In Management Studio it displays as a false/true value (at least in recent versions).
When accessing the database through ASP.NET it will expose the field as a boo...
Convert columns to string in Pandas
...e looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"...
How best to include other scripts?
... @Philipp, The author of that entry is correct, it is complex, and there are gotchas. But it's missing some key points, first, the author assumes a whole lot of things about what you are going to be doing with your bash script. I wouldn't expect a python script to run without it's depend...
C# Thread safe fast(est) counter
...ment will have better performance than lock(). Just take a look at the IL and Assembly where you will see that Increment turns into a "bus lock" statement and its variable is directly incremented (x86) or "added" to (x64).
This "bus lock" statement locks the bus to prevent another CPU from acces...
How can I easily view the contents of a datatable or dataview in the immediate window
Sometimes I will be at a breakpoint in my code and I want to view the contents of a DataTable variable (or a DataTable in a DataSet ). The quick watch doesn't give you a very clear view of the contents. How can I view them easily?
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'
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Clean your solution and then set the property of those files to Copy Local = True.
To set the Copy Local property to True or False
In Solution Explorer, click the Show All Files button to display the References node.
Open the References node...
How do I count the number of occurrences of a char in a String?
... Although i will not downvote this, it is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
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Using sed and grep/egrep to search and replace
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Use this command:
egrep -lRZ "\.jpg|\.png|\.gif" . \
| xargs -0 -l sed -i -e 's/\.jpg\|\.gif\|\.png/.bmp/g'
egrep: find matching lines using extended regular expressions
-l: only list matching filenames
-R: search recursively th...