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How to concatenate properties from multiple JavaScript objects
...
Underscore has few methods to do this;
1. _.extend(destination, *sources)
Copy all of the properties in the source objects over to the destination object, and return the destination object.
_.extend(a, _.extend(b, c));
=> {"one" : 1, "two" : 2, "three" : 3, "fo...
Fixed size queue which automatically dequeues old values upon new enques
...T> : IReadOnlyCollection<T>
{
private readonly Queue<T> _queue = new Queue<T>();
private readonly object _lock = new object();
public int Count { get { lock (_lock) { return _queue.Count; } } }
public int Limit { get; }
public FixedSizedQueue(int limit)
...
How can I escape square brackets in a LIKE clause?
...derscore from a query, so I ended up with this:
WHERE b.[name] not like '\_%' escape '\' -- use \ as the escape character
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...
How to write the Fibonacci Sequence?
... now be 1, and b will also be 1, (0 + 1)
and usage:
for index, fibonacci_number in zip(range(10), fib()):
print('{i:3}: {f:3}'.format(i=index, f=fibonacci_number))
prints:
0: 0
1: 1
2: 1
3: 2
4: 3
5: 5
6: 8
7: 13
8: 21
9: 34
10: 55
(For attribution...
Send file using POST from a Python script
...ding, but you should be able to read through it and see how it works:
user_agent = "image uploader"
default_message = "Image $current of $total"
import logging
import os
from os.path import abspath, isabs, isdir, isfile, join
import random
import string
import sys
import mimetypes
import urllib2
i...
Django rest framework nested self-referential objects
...('parentCategory', 'name', 'description', 'subcategories')
def get_related_field(self, model_field):
# Handles initializing the `subcategories` field
return CategorySerializer()
Actually, as you've noted the above isn't quite right.
This is a bit of a hack, but y...
Assigning a variable NaN in python without numpy
...e 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float('nan'))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python35\...
How to find/remove unused dependencies in Gradle
...nsitive dependencies that are used directly by your code
to explicit first order dependencies.
Relocates dependencies to the 'correct' configuration.
To apply the rule, add:
gradleLint.rules += 'unused-dependency'
Details of Unused Dependency Rule is given in the last part.
To apply the Gradle...
python exception message capturing
...is no longer supported in python 3. Use the following instead.
try:
do_something()
except BaseException as e:
logger.error('Failed to do something: ' + str(e))
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This IP, site or mobile application is not authorized to use this API key
... the new "project" must now be linked to a Google cloud billing account in order for the Google API to stop giving these various generic errors. Threshold can be set to $0 so you'll never be charged if usage exceeds the allowed quota.
– Sparky
Jul 16 '19 at 14...