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How can I filter a date of a DateTimeField in Django?
I am trying to filter a DateTimeField comparing with a date. I mean:
14 Answers
14
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What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
42 Answers
42
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How to refer to relative paths of resources when working with a code repository
We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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Count character occurrences in a string in C++
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#include <algorithm>
std::string s = "a_b_c";
size_t n = std::count(s.begin(), s.end(), '_');
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Why is Python 3.x's super() magic?
In Python 3.x, super() can be called without arguments:
1 Answer
1
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“Inner exception” (with traceback) in Python?
...rogramming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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What do all of Scala's symbolic operators mean?
...mbols
Automatically imported methods
Common methods
Syntactic sugars/composition
It is fortunate, then, that most categories are represented in the question:
-> // Automatically imported method
||= // Syntactic sugar
++= // Syntactic sugar/composition or common method
<= // Common...
StringBuilder vs String concatenation in toString() in Java
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Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
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How to get a reference to current module's attributes in Python
... current module (inside a
function or method, this is the module
where it is defined, not the module
from which it is called).
http://docs.python.org/library/functions.html#globals
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How can i query for null values in entity framework?
...thing.Equals(value)
select entry;
Workaround for Linq-to-Entities (ouch!):
var result = from entry in table
where (value == null ? entry.something == null : entry.something == value)
select entry;
This is a nasty bug which has bitten me several times. If ...