大约有 30,000 项符合查询结果（耗时：0.0649秒） [XML]
What does numpy.random.seed(0) do?
...ot thread safe.
from differences-between-numpy-random-and-random-random-in-python:
For numpy.random.seed(), the main difficulty is that it is not
thread-safe - that is, it's not safe to use if you have many different
threads of execution, because it's not guaranteed to work if two
different threads...
Difference between Hive internal tables and external tables?
...ve Warehouse Directory (Property hive.metastore.warehouse.dir in hive.site.xml)
When the "Location" option is not used during the "creation of a hive table", the above precedence rule is used. This is applicable for both Internal and External tables. This means an Internal table does not necessari...
How to create a memory leak in Java?
... JEE world, often caused by 3rd party libs that transform data (BeanUtils, XML/JSON codecs). This can happen when the lib is loaded outside your application's root classloader but holds references to your classes (eg. by caching). When you undeploy/redeploy your app the JVM is unable to garbage co...
Assign pandas dataframe column dtypes
...float32(1), float64(1), int32(1)
memory usage: 205.0 bytes
None
Not very pythonic.... but does the job
Hope it helps.
JC
share
|
improve this answer
|
follow
...
How do I represent a hextile/hex grid in memory?
...so in case anyone is still looking for a simple implementation here is our Python code:
class Board:
# Layout is just a double list of Tiles, some will be None
def __init__(self, layout=None):
self.numRows = len(layout)
self.numCols = len(layout[0])
self.hexagons = [[None for x in x...
Default string initialization: NULL or Empty? [closed]
...currences of it are in methods that process user input, return values from Python scripts, examine values retrieved from external APIs, etc.)
share
|
improve this answer
|
fo...
How to update a plot in matplotlib?
...#unnecessary, but useful
Note that both of these only seem to work with ipython --pylab=tk, a.k.a.backend = TkAgg
Thank you for the help with everything.
share
|
improve this answer
|
...
Django rest framework, use different serializers in the same ModelViewSet
...
Based on @gonz and @user2734679 answers I've created this small python package that gives this functionality in form a child class of ModelViewset. Here is how it works.
from drf_custom_viewsets.viewsets.CustomSerializerViewSet
from myapp.serializers import DefaltSerializer, CustomSerial...
How to colorize diff on the command line?
...e-by-side word level diff
https://github.com/ymattw/ydiff
Is this Nirvana?
python3 -m pip install --user ydiff
diff -u a b | ydiff -s
Outcome:
If the lines are too narrow (default 80 columns), fit to screen with:
diff -u a b | ydiff -w 0 -s
Contents of the test files:
a
1
2
3
4
5 the original lin...
How to close Android application?
... android:clearTaskOnLaunch="true" attribute to activity at AndroidManifest.xml
– Rusfearuth
Apr 9 '15 at 3:57
add a comment
|
...