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Using the field of an object as a generic Dictionary key
... Marc Gravell♦Marc Gravell
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not None test in Python [duplicate]
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if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set to...
What is the difference between ELF files and bin files?
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answered Mar 11 '10 at 17:30
t0mm13bt0mm13b
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When is the thread pool used?
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edited May 23 '17 at 12:26
Community♦
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answered Mar 25 '14 at 19:44
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Optimise PostgreSQL for fast testing
...memory limit if you increase shared_buffers on PostgreSQL 9.2 and below; 9.3 and above changed how they use shared memory to avoid that.
If you're using a just a couple of connections that do lots of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a wo...
SparseArray vs HashMap
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SparseArray can be used to replace HashMap when the key is a primitive type.
There are some var...
Difference between method and function in Scala
...reference.
First, let's see what the Scala Specification tell us. Chapter 3 (types) tell us about Function Types (3.2.9) and Method Types (3.3.1). Chapter 4 (basic declarations) speaks of Value Declaration and Definitions (4.1), Variable Declaration and Definitions (4.2) and Functions Declarations ...
What is the difference between active and passive FTP?
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edited Apr 19 '18 at 6:38
answered Nov 9 '09 at 4:57
pax...
Instance variables vs. class variables in Python
...rtelli
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Multi-gradient shapes
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I don't think you can do this in XML (at least not in Android), but I've found a good solution...