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Generate JSON string from NSDictionary in iOS
...5.0 and Mac OS X 10.7. See NSJSONSerialization.
To generate a JSON string from a NSDictionary or NSArray, you do not need to import any third party framework anymore.
Here is how to do it:
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionaryOrArrayToOutput
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How to call getClass() from a static method in Java?
...afe...
Caution when using this in a Base Class that other classes inherit from:
It is also worth noting that if this snippet is shaped as a static method of some base class then currentClass value will always be a reference to that base class rather than to any subclass that may be using that meth...
Unable to find a locale path to store translations for file __init__.py
...e a locale folder first using mkdir locale. If you are running the command from within an app folder, you need a locale folder within that app folder.
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How do you unit test a Celery task?
...erialization issues or any other distribution, comunication problem.
So:
from celery import Celery
celery = Celery()
@celery.task
def add(x, y):
return x + y
And your test:
from nose.tools import eq_
def test_add_task():
rst = add.apply(args=(4, 4)).get()
eq_(rst, 8)
Hope that ...
Create an array with random values
How can I create an array with 40 elements, with random values from 0 to 39 ?
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21 Answers
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MongoDB, remove object from array
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I have a document like
I have to delete address from address array
After searching lots on internet I found the solution
Customer.findOneAndUpdate(query, {$pull: {address: addressId}}, function(err, data){
if(err) {
return res.status(500).json({'error' ...
Java recursive Fibonacci sequence
...fibonacci(3) = 1+1 = 2
fibonacci(4) = 2+1 = 3
fibonacci(5) = 3+2 = 5
And from fibonacci sequence 0,1,1,2,3,5,8,13,21.... we can see that for 5th element the fibonacci sequence returns 5.
See here for Recursion Tutorial.
s...
How to Unit test with different settings in Django?
...te a separate settings file for test, which can load and override settings from your main settings file. There are several good approaches to this in the other answers; I have seen successful variations on both hspander's and dmitrii's approaches.
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Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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Calculating width from percent to pixel then minus by pixel in LESS CSS
I will calculate width in some element from percent to pixel so I will minus -10px via using LESS and calc() . It´s possible?
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