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Parse a .py file, read the AST, modify it, then write back the modified source code

I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file). ...
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)

... of today, it is not possible (without using a custom directive) to dynamically generate a name of an input. Indeed, checking input docs we can see that the name attribute accepts a string only. To solve the 'dynamic name' problem you need to create an inner form (see ng-form): <div ng-repeat="...
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Bogus foreign key constraint fail

...each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg. SET FOREIGN_KEY_CHECKS=0; DROP TABLE my_first_table_to_drop; DROP TABLE my_second_table_to_drop; SET FOREIGN_KEY_CHECKS=1; Where the SET FOREIGN_KEY_CHECKS=1 serves as an extr...
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Google maps API V3 - multiple markers on exact same spot

...rieving a list of geo coords via JSON and popping them onto a google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like to find a way to display them all...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...lems with dp while everything works fine with dip – DallaRosa Jul 4 '11 at 6:07 255 One note abou...
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python exception message capturing

...work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file 11 Answers ...
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How to change legend title in ggplot

...ould work: p <- ggplot(df, aes(x=rating, fill=cond)) + geom_density(alpha=.3) + xlab("NEW RATING TITLE") + ylab("NEW DENSITY TITLE") p <- p + guides(fill=guide_legend(title="New Legend Title")) (or alternatively) p + scale_fill_discrete(name = "New Legen...
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How can I validate a string to only allow alphanumeric characters in it?

How can I validate a string using Regular Expressions to only allow alphanumeric characters in it? 10 Answers ...
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How to prevent ifelse() from turning Date objects into numeric objects

...irst this felt a little "hackish" to me. But now I just think of it as a small price to pay for the performance returns that I get from ifelse(). Plus it's still a lot more concise than a loop. share | ...
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Disable button in jQuery

... Here is a small fiddle I created. Please let me what I'm doing wrong. jsfiddle.net/2Nfu4/3 – user2047817 Feb 28 '13 at 17:48 ...