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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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Locate Git installation folder on Mac OS X
...ormation to place /usr/local/git/bin before /usr/bin in the $PATH or edit /etc/paths and insert /usr/local/git/bin as the first entry (see this answer).
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What is the difference between Swing and AWT?
...stem window and then paints pictures of buttons, labels, text, checkboxes, etc., into that window and responds to all of your mouse-clicks, key entries, etc., deciding for itself what to do instead of letting the operating system handle it. Thus Swing is 100% portable and is the same across platform...
Why are all fields in an interface implicitly static and final?
I am just trying to understand why all fields defined in an Interface are implicitly static and final . The idea of keeping fields static makes sense to me as you can't have objects of an interface but why they are final (implicitly)?
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Difference between a user and a schema in Oracle?
...other stuff.
SYS is a schema that includes tons of tables, views, grants, etc etc etc.
SYSTEM is a schema.....
Technically -- A schema is the set of metadata (data dictionary) used by the database,
typically generated using DDL. A schema defines attributes of the database, such as
tables, colum...
Environment variables in Mac OS X
...redefined in subshells, not for environment variables that are inherited.
/etc/profile: this is loaded before ~/.profile, but is otherwise equivalent. Use it when you want the variable to apply to terminal programs launched by all users on the machine (assuming they use bash).
~/.MacOSX/environment....
__lt__ instead of __cmp__
...ttributes of the new class it's decorating (the result might be microscopically faster at runtime, at equally minute cost in terms of memory).
Of course, if your class has some particularly fast way to implement (e.g.) __eq__ and __ne__, it should define them directly so the mixin's versions are no...
How to extract text from a PDF? [closed]
...o output.txt input.pdf
The output file was split into pages with headers, etc., but it was then easy to write an app to strip out blank lines, etc, and suck in all 30,000 records. -dSIMPLE and -dCOMPLEX made no difference in this case.
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RuntimeError on windows trying python multiprocessing
...void creating subprocesses recursively.
Modified testMain.py:
import parallelTestModule
if __name__ == '__main__':
extractor = parallelTestModule.ParallelExtractor()
extractor.runInParallel(numProcesses=2, numThreads=4)
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Python __str__ versus __unicode__
...onfusing, but in 2.x we're stuck with them for compatibility reasons. Generally, you should put all your string formatting in __unicode__(), and create a stub __str__() method:
def __str__(self):
return unicode(self).encode('utf-8')
In 3.0, str contains characters, so the same methods are nam...