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Merge PDF files

...iles, output_stream): input_streams = [] try: # First open all the files, then produce the output file, and # finally close the input files. This is necessary because # the data isn't read from the input files until the write # operation. Thanks to # h...
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What is the documents directory (NSDocumentDirectory)?

...ath = paths.firstObject; return basePath; } This Documents directory allows you to store files and subdirectories your app creates or may need. To access files in the Library directory of your apps sandbox use (in place of paths above): [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory...
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Log exception with traceback

... log file ERROR:root:Got exception on main handler Traceback (most recent call last): File "/tmp/teste.py", line 9, in <module> run_my_stuff() NameError: name 'run_my_stuff' is not defined share | ...
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LINQ Select Distinct with Anonymous Types

...on of objects. The exact type isn't important. From it I want to extract all the unique pairs of a pair of particular properties, thusly: ...
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String concatenation in Ruby

...ficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uninitialized constant error when ROOT_DIR is nil. When dealing with pathnames, you may want to use File.join to avoid messing up with pathname separator. In the end, it is a matter of taste....
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How do I profile memory usage in Python?

... This one has been answered already here: Python memory profiler Basically you do something like that (cited from Guppy-PE): >>> from guppy import hpy; h=hpy() >>> h.heap() Partition of a set of 48477 objects. Total size = 3265516 bytes. Index Count % Size % Cumulat...
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How to write a Python module/package?

I've been making Python scripts for simple tasks at work and never really bothered packaging them for others to use. Now I have been assigned to make a Python wrapper for a REST API. I have absolutely no idea on how to start and I need help. ...
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log messages appearing twice with Python Logging

I'm using Python logging, and for some reason, all of my messages are appearing twice. 8 Answers ...
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Why use def main()? [duplicate]

...ink I still have something else to add. Reasons to have that if statement calling main() (in no particular order): Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for ...
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What is the difference between onBlur and onChange attribute in HTML?

... answered Feb 19 '14 at 10:43 php-b-graderphp-b-grader 2,7431010 gold badges3535 silver badges4949 bronze badges ...