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Best way to replace multiple characters in a string?
...ompile('([&#])')
def d(text):
text = RX.sub(r'\\\1', text)
def mk_esc(esc_chars):
return lambda s: ''.join(['\\' + c if c in esc_chars else c for c in s])
esc = mk_esc('&#')
def e(text):
esc(text)
def f(text):
text = text.replace('&', '\&').replace('#', '\#')
de...
Disable a method in a ViewSet, django-rest-framework
...odelViewSet, why not just use whatever you need? So for example:
from rest_framework import viewsets, mixins
class SampleViewSet(mixins.RetrieveModelMixin,
mixins.UpdateModelMixin,
mixins.DestroyModelMixin,
viewsets.GenericViewSet):
....
What is the easiest way to ignore a JPA field during persistence?
...
This answer comes a little late, but it completes the response.
In order to avoid a field from an entity to be persisted in DB one can use one of the two mechanisms:
@Transient - the JPA annotation marking a field as not persistable
transient keyword in java. Beware - using this keyword, w...
Circular (or cyclic) imports in Python
...be partly empty.
Finally, the executing script runs in a module named __main__, importing
the script under its own name will create a new module unrelated to
__main__.
Take that lot together and you shouldn't get any surprises when importing
modules.
...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
...gs to the none method family as opposed to the new method family:
#ifndef __has_attribute
#define __has_attribute(x) 0 // Compatibility with non-clang compilers
#endif
#if __has_attribute(objc_method_family)
#define BV_OBJC_METHOD_FAMILY_NONE __attribute__((objc_method_family(none)))
#else
#defin...
Getting a list of all subdirectories in the current directory
...
Do not use os.walk('.').next()[1] or os.walk('.').__next__()[1] directly. Instead, use the built-in function next(), which is available both in Python 2 (see doc) and Python 3 (see doc). For example: next(os.walk('.'))[1].
– Lucio Paiva
...
Data Modeling with Kafka? Topics and Partitions
...
@RavindranathAkila Kafka is designed to have of the order of few thousands of partitions roughly less than 10,000. And the main bottleneck is zookeeper. A better way to design such a system is to have fewer partitions and use keyed messages to distribute the data over a fixed ...
Comparing mongoose _id and strings
...ls() method. With your example, results.userId.equals(AnotherMongoDocument._id). The ObjectID type also has a toString() method, if you wish to store a stringified version of the ObjectID in JSON format, or a cookie.
If you use ObjectID = require("mongodb").ObjectID (requires the mongodb-native lib...
How do I replace whitespaces with underscore?
... a built-in string method that does what you need:
mystring.replace(" ", "_")
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TortoiseGit not showing icon overlays
...ill only allow up to 11 icon overlay identifiers, arranged in alphanumeric order - if there are more than 11, these icons will not be displayed.
You can run the following command in a DOS prompt:
regedit /e c:\icons.txt HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIco...