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Adding an arbitrary line to a matplotlib plot in ipython notebook
...rough the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following:
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Test if executable exists in Python?
In Python, is there a portable and simple way to test if an executable program exists?
21 Answers
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Why can't C++ be parsed with a LR(1) parser?
...n of C++ parsing, which states that:
"C++ grammar is ambiguous,
context-dependent and potentially
requires infinite lookahead to resolve
some ambiguities".
It goes on to give a number of examples (see page 147 of the pdf).
The example is:
int(x), y, *const z;
meaning
int x;
int y;
i...
Adding a parameter to the URL with JavaScript
In a web application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example:
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Iteration ng-repeat only X times in AngularJs
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Angular comes with a limitTo:limit filter, it support limiting first x items and last x items:
<div ng-repeat="item in items|limitTo:4">{{item}}</div>
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Which is the fastest algorithm to find prime numbers?
... and square free operations, both operations being of about the same complexity and able to be optimized in about the same way.
– GordonBGood
Dec 6 '13 at 3:06
7
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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
...path that is outside the project's default branches or tags location. For example, a team can designate project\temp\<creationdate-reason> or project\personal\<creationdate-reason> for this purpose.
– rwong
May 21 '11 at 16:50
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
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You can extract all the information from the DbEntityValidationException with the following code (you need to add the namespaces: System.Data.Entity.Validation and System.Diagnostics to your using list):
catch (DbEntityValidationExce...
How to post pictures to instagram using API
...because they should provide one. I am not sure if there is any other way (except the apps for android and iOS) to upload picture using php. Kindly give me any sort of idea if there is any possibility.
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What's the difference between a Python “property” and “attribute”?
...spam = SomeObject()
print(spam.eggs)
it looks up eggs in spam, and then examines eggs to see if it has a __get__, __set__, or __delete__ method — if it does, it's a property. If it is a property, instead of just returning the eggs object (as it would for any other attribute) it will call th...