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Shards and replicas in Elasticsearch
... elasticsearch will create 5 primary shards that will contain your data:
____ ____ ____ ____ ____
| 1 | | 2 | | 3 | | 4 | | 5 |
|____| |____| |____| |____| |____|
Every time you index a document, elasticsearch will decide which primary shard is supposed to hold that docu...
How do I get logs/details of ansible-playbook module executions?
...dd the following lines to your ansible configuration file:
[defaults]
log_path=/path/to/logfile
Ansible will look in several places for the config file:
ansible.cfg in the current directory where you ran ansible-playbook
~/.ansible.cfg
/etc/ansible/ansible.cfg
...
Byte order mark screws up file reading in Java
...ed in SUN's bug database. Incorporate it in your code and you're fine.
/* ____________________________________________________________________________
*
* File: UnicodeBOMInputStream.java
* Author: Gregory Pakosz.
* Date: 02 - November - 2005
* _____________________________________...
How to enumerate an object's properties in Python?
... print(property, ":", value)
Be aware that in some rare cases there's a __slots__ property, such classes often have no __dict__.
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Exporting functions from a DLL with dllexport
... be included in all of the source files in your DLL project:
#ifdef LIBRARY_EXPORTS
# define LIBRARY_API __declspec(dllexport)
#else
# define LIBRARY_API __declspec(dllimport)
#endif
Then on a function that you want to be exported you use LIBRARY_API:
LIBRARY_API int GetCoolInteger();
In you...
What exactly are iterator, iterable, and iteration?
...and iterator have specific meanings.
An iterable is an object that has an __iter__ method which returns an iterator, or which defines a __getitem__ method that can take sequential indexes starting from zero (and raises an IndexError when the indexes are no longer valid). So an iterable is an object...
How does deriving work in Haskell?
... Haskell Wiki:
In this example we use the following Haskell code
$(gen_render ''Body)
to produce the following instance:
instance TH_Render Body where
render (NormalB exp) = build 'normalB exp
render (GuardedB guards) = build 'guardedB guards
The function gen_render above is d...
Difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
23 Answers
23
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__init__ for unittest.TestCase
...
Try this:
class TestingClass(unittest.TestCase):
def __init__(self, *args, **kwargs):
super(TestingClass, self).__init__(*args, **kwargs)
self.gen_stubs()
You are overriding the TestCase's __init__, so you might want to let the base class handle the arguments ...
os.path.dirname(__file__) returns empty
...get the dirname of the absolute path, use
os.path.dirname(os.path.abspath(__file__))
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