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MongoDB relationships: embed or reference?
...umentation on Schemas is a good reference, but here are some things to consider:
Put as much in as possible
The joy of a Document database is that it eliminates lots of Joins. Your first instinct should be to place as much in a single document as you can. Because MongoDB documents have structure,...
Closing multiple issues in Github with a commit message
...sage.
The closes clauses can be anywhere in the message and fixes is a valid synonym:
This fixes a memory leak in foo() that closes #4,
also fixes #5 which is a duplicate.
The following used to work, but nowadays only references issues #2 and #3.
Closes #1, #2, #3
...
What is the difference between Amazon S3 and Amazon EC2 instance?
... answered Jan 18 '13 at 4:28
David LevesqueDavid Levesque
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...
String formatting in Python 3
...ere's also a way of doing it using a single argument twice (as @Burhan Khalid noted in the comments):
"({0.goals} goals, ${0.penalties})".format(self)
Explaining:
{} means just the next positional argument, with default format;
{0} means the argument with index 0, with default format;
{:d} is t...
Python “raise from” usage
...ed
A similar mechanism works implicitly if an exception is raised inside an exception handler or a finally clause: the previous exception is then attached as the new exception’s __context__ attribute:
>>> try:
... print(1 / 0)
... except:
... raise RuntimeError("Something b...
Disable assertions in Python
...t completely what i was thinking about. I would like to disable asserts inside a function during runtime, ideally with some sort of context manager: assertion is evaluated: foo() and switching assertions off: with skip_assertion(): foo(). The benefit of this being that i dont have to add another f...
How to identify platform/compiler from preprocessor macros?
...et for both OS X and iOS. You can #include <TargetConditionals.h> inside #ifdef __APPLE__, which then gives you a TARGET_OS_IPHONE #define.
– Ted Mielczarek
Aug 18 '11 at 11:51
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Detect if called through require or directly by command line
...nd myself trying to recall how to write this goddamn code snippet, so I decided to create a simple module for it. It took me a bit to make it work since accessing caller's module info is not straightforward, but it was fun to see how it could be done.
So the idea is to call a module and ask it if th...
Can't escape the backslash with regex?
... use a different form of quoting that doesn't parse escape sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
...
Initializing a struct to 0
... Also, I am using = {}; However I am not sure if this is valid.
– William Entriken
Mar 19 '15 at 21:09
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