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Efficiently updating database using SQLAlchemy ORM
...ngs in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session.
So...
Getting the names of all files in a directory with PHP
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Not all filenames have the form *.*: just use * instead.
– jameshfisher
Feb 24 '14 at 17:17
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How to implement the factory method pattern in C++ correctly
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First of all, there are cases when
object construction is a task complex
enough to justify its extraction to
another class.
I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. I...
Length of generator output [duplicate]
... Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know the number of items there are, then you can't iterate through them linearly one time anyway, so just use a different data structure such as a regular list.
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Regular expression for letters, numbers and - _
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To actually cover your pattern, i.e, valid file names according to your rules, I think that you need a little more. Note this doesn't match legal file names from a system perspective. That would be system dependent and more libera...
Empty set literal?
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Actually, set literals have been backported to Python 2.7, so they are not only available strictly in Python 3.
– Jim Brissom
May 25 '11 at 20:56
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How do I add custom field to Python log format string?
...LoggerAdapter so you don't have to pass the extra info with every logging call:
import logging
extra = {'app_name':'Super App'}
logger = logging.getLogger(__name__)
syslog = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s')
syslog.setFormatter(formatte...
Where can I find documentation on formatting a date in JavaScript?
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Both of these sites have restrictive licenses. So if you use the code (without permission), you'll be in violation. Momentjs (stackoverflow.com/a/10119138/278976) looks like a way better option and is MIT license.
– H...
How to run functions in parallel?
...find an answer to my question. I am trying to run multiple functions in parallel in Python.
6 Answers
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Collapse sequences of white space into a single character and trim string
...low, because it creates a new object for every substring and sends method calls to each of them.
– Georg Schölly
Jun 23 '11 at 18:55
2
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