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2017-02-14 19:02 Appending (pushing) and removing from a JSON array in PostgreSQL 9.5+ »
For versions less than 9.5 see this question I have created a table in PostgreSQL using this: CREATE TEMP TABLE jsontesting AS SELECT id, jsondata...
(1) odpowiedzi
2017-02-14 10:02 Combing Array Inline - LINQ »
I am initialising and array from items in a list as follows: MyArray[] Arrayitems = SomeOtherList .Select(x => new MyArray[] { ArrayPar1 = x.Li...
(1) odpowiedzi
2017-02-14 10:02 How to use javascript reduce function for objects in an array to get string values »
I have an array of objects from which I would like to get names. I am trying to use reduce for that but the problem is that reduce returns the first ...
(5) odpowiedzi
2017-02-14 08:02 How can I restrict selecting to only rows which have common value? »
Here is my table structure: // users +----+--------+ | id | name | +----+--------+ | 1 | Jack | | 2 | Peter | | 3 | John | | 4 | Barman | ...
(2) odpowiedzi
2017-02-13 23:02 Circular pairs from array? »
I can't believe this is nowhere to be found, but: I want all consecutive pairs from an array, including the last element with the first one. I tried: ...
(4) odpowiedzi
2017-02-13 21:02 Group similar strings from an array in Node.js »
Let's say I have a collection of different URLs in an array: var source = ['www.xyz.com/Product/1', 'www.xyz.com/Product/3', 'www.xyz.com/Category/1'...
(2) odpowiedzi
2017-02-13 19:02 How do I convert every element in an array to its own array? »
Using Ruby 2.4. I have an array of strings ... ["a", "b", "c"] How do I take the above and convert each element into its own array of one element?...
(3) odpowiedzi
2017-02-13 14:02 Cast to right generic from array in Swift »
I have a Protocol called Composite. This protocol has an array composites: [Composite] I also have a generic subclass GenericSubclass<T>: Comp...
(0) odpowiedzi
2017-02-13 13:02 Why PHP loose item value of array? »
I have the array with values: $array1 = array('Boss', 'Lentin', 'Endless'); print_r ($array); The result will be: Array ( [0] => Boss [1] =&g...
(6) odpowiedzi
2017-02-11 17:02 Reorder array keys recursively -- array_slice slow? »
I wrote a method to reorder all numeric keys on an array. You can see in code below that i have an array with unsorted keys. This keys (f.e. 200, 2) ...
(0) odpowiedzi
2017-02-11 00:02 Create an array containing values oscillating between two boundaries »
I am wondering if there is a way to generate an array which, for example, would start from 0, increase by 1 until it reaches 3, and then decreases by ...
(3) odpowiedzi
2017-02-10 16:02 Merging 2 associative arrays into 1 »
I'm having trouble merging my arrays and not sure what I'm doing wrong. Consider the following code: $array1 = [ [ 'job' => '123', 'who' =>...
(4) odpowiedzi
2017-02-10 15:02 How to interleave numpy.ndarrays? »
I am currently looking for method in which i can interleave 2 numpy.ndarray. such that >>> a = np.random.rand(5,5) >>> print a [[ ...
(2) odpowiedzi
2017-02-10 14:02 React/Redux - Add object to start of array using spread operator »
I am using a redux reducer to add objects to a state array. This is working correctly, however, the objects are being added to the end of the array. I...
(1) odpowiedzi
2017-02-10 09:02 python numpy: how to construct a big diagonal array(matrix) from two small array »
import numpy as np A = np.array([[1, 2], [3, 4]]) B = np.array([[5, 6], [7, 8]]) C = np.array([[1, 2, 0, 0], ...
(1) odpowiedzi
2017-02-09 23:02 Arrange/distribute array items uniformly »
I have a multidimensional associative array with a type property. It looks like this: $data = array( array( "name" => "SomeName", "type" => "...
(8) odpowiedzi
2017-02-09 20:02 How to extract and append objects from an array of objects in JS »
The question is pretty straight forward. I feel dumb asking this because I'm sure the answer is right in front of me, but anyways here is the question...
(5) odpowiedzi
2017-02-08 00:02 Display Arrays Data In Custom Order In PHP »
I want to show array data in custom order. My sample array is : ['a' => 'a', 'b' => 'b', 'c' => 'c', 'd' => 'd', 'e' => 'e', '...
(2) odpowiedzi
2017-02-07 20:02 Numpy 2D array: change all values to the right of NaNs »
Situation I have a 2D Numpy array that contains some nan values. Simplified example: arr = np.array([[3, 5, np.nan, 2, 4], [9, 1, 3,...
(2) odpowiedzi
2017-02-07 00:02 List or single line array/parameters: Does one or the other perform better? »
A little bit of a generic question but it has been playing on my mind for a while. Whilst learning php coding, to help me create a WordPress Theme ...
(1) odpowiedzi
2017-02-06 11:02 Why fast enumeration is faster than normal iteration? »
I know that what is fast enumeration and it's purpose in objective C. I want to know why fast enumeration is more faster than normal iteration? ...
(1) odpowiedzi
2017-02-06 06:02 React - Changing the state without using setState: Must avoid it? »
My code works, but I have a best practice question: I have an array of objects in the state, and a user interaction will change a value of one object ...
(4) odpowiedzi
2017-02-05 21:02 PHP group array weekdays / open times »
I'm trying to get this to work: I have an array like: //print_r($blocks); $blocks = Array ( [0] => Array ( [days] => Array ( [0] =...
(1) odpowiedzi
2017-02-05 13:02 Replace push in array works but splice never called »
Having a Array like this: var k =[1,2]; k.push(3); redefine push like this: function kPush(e){ this[this.length] = e * 2; } Object.definePropert...
(1) odpowiedzi
2017-02-05 09:02 Initialize model with integer array in Postgres »
I'm using postgres 9.6.1, Rails 4.2.0, and the following migration: class CreateStageBatches < ActiveRecord::Migration def change create_tab...
(1) odpowiedzi
2017-02-05 09:02 How do I know if an array represents sine wave? »
I'm working with accelerometer and collecting data for past few seconds. The motion I want to detect can be represented as sine wave in terms of value...
(1) odpowiedzi
2017-02-05 02:02 How to check if a 2d array is in ascending order in c++? »
I can't get this function to return true, despite the fact that I've initialized the array in ascending order. bool won(int gameBoard[][SIZE]) { ...
(2) odpowiedzi
2017-02-03 09:02 Arrange an array recursively »
I'm trying to arrange an array in levels. This is my array: Array ( [0] => Array( [0] => Array( [id] => 971249312[name] ...
(2) odpowiedzi
2017-02-03 06:02 Convert array into key / value pairs »
I have pushed different values from nested loops into an object, resulting in something like this: obj = ["blue", 1, "red", 4, "yellow", 2, "green", ...
(5) odpowiedzi
2017-02-02 16:02 Using loops to store multiple json object into arrays »
I have done a webservice to retrieve JSON of data which is as follows: (this is stored in a variable data) {"0":{"categoryId":"1","category":"Resta...
(2) odpowiedzi
2017-02-01 20:02 How to find the key of a hash whose value has the most elements »
I'm using Ruby 2.4. I have a hash whose key is a number and whose value is an array of elements. How do I find the key in the hash with the value ...
(3) odpowiedzi
2017-02-01 15:02 Create array with key from dict with sorted by dict values »
I have an dictionary that I want to iterate trough in a tableview. One way of doing this is to create an array with all the keys and just fetch the ke...
(4) odpowiedzi
2017-02-01 14:02 How to query .where on array of clients? »
Using Rails 5. I have an ordered array of clients. It's not possible for me to get an AR out of it, and this is the only way I can get these clients....
(1) odpowiedzi
2017-01-31 20:01 Reducing complex filter rules to a comparable form »
I want to determine whether or not an input array of integers "matches" a set of rules. The Matcher The Matcher is built from a set of helper method...
(1) odpowiedzi
2017-01-30 19:01 Python randomly drops to 0% CPU usage, causing the code to "hang up", when handling large numpy arrays? »
I have been running some code, a part of which loads in a large 1D numpy array from a binary file, and then alters the array using the numpy.where() m...
(1) odpowiedzi