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How to reuse an ostringstream?
...lear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
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Change working directory in my current shell context when running Node script
...hanks. Well the reason I want to do this is because I am making a terminal app for organising my projects. So basically I want to be able to list my projects and easily change the current shell location to that. Now that I think about it, I am going to look into how z (github.com/rupa/z) does this...
Join vs. sub-query
... to distinguish the two. (also the 'very rare' really depends on your data/app).
– Unreason
May 28 '10 at 9:48
21
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How to create a new database using SQLAlchemy?
...postgres so I ended up doing this to ignore the exception if the database happens to already exist with SQL Server:
import logging
import sqlalchemy
logging.basicConfig(filename='app.log', format='%(asctime)s-%(levelname)s-%(message)s', level=logging.DEBUG)
engine = create_engine('mssql+pyodbc://m...
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...olved.... except you have an extra level of inheritance in your production application that was only necessary because of an inadequacy in the winforms designer!
This isn't a 100% surefire solution but its pretty good. Basically you use #if DEBUG to come up with the refined solution.
Refined Solu...
Multiprocessing vs Threading Python [duplicate]
...t properly release the GIL will run in parallel
Great option for I/O-bound applications
Cons
cPython - subject to the GIL
Not interruptible/killable
If not following a command queue/message pump model (using the Queue module), then manual use of synchronization primitives become a necessity (dec...
Node.js on multi-core machines
...
@Serob_b - well, yes. Running a Node.js app on multiple machines is very common. There's no library needed to do so. You just run your code on multiple machines and distribute load between them. Architecting your software so that it scales (ie, it stores state in s...
How to convert an xml string to a dictionary?
...lement) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
# treat like list
elif element[0].tag == element[1].tag:
self.append(XmlListConfig(element))
elif element.text:
te...
Convert PDF to clean SVG? [closed]
...hs, too. I also find that they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't?
– DanRedux
Apr 23 '12 at 21:30
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Importing from a relative path in Python
... list of paths python looks at to import things):
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common'))
import Common
os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the directory and i...