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VBA 2022-03-17 18:05:25
excel vba determine number of elements in an array
'Since VBA arrays can have ANY integer value (from -2147483648 to '2147483647) for the lower index in the range for a rank, 'the only sure fire way to determine how many elements is in the array 'is to calculate the value: MsgBox UBound(Arr) - LBound(Ar... Add solution -
Python 2022-03-02 21:10:02
array storing in file by python
# long arrays can be stored in csv files far more efficiently import numpy as np import csv # uploading arrays in a csv file arr1 = [i for i in range(500)] arr2 = [i for i in range(1000)] arr3 = [i for i in range(2000)] # you can write('w') or append('a'... Add solution -
VBA 2022-03-01 09:15:10
excel vba check for uninitialized or empty array
'In VBA an un-itialized dynamic array will raise a run-time error if 'code attempts to read from... or write to it. 'VBA function to test if an array is ready for access: Function ArrayReady(a) As Boolean On Error Resume Next ArrayReady = Not LB... Add solution -
Java 2022-02-02 12:10:52
java overloading
Overloading mean same method name and different parameter, it can happen in same class. it's a feature that allows us to have more than one method with same name. Example: sort method of Arrays class Arrays.sort(int[] arr) Arrays.sort(String[] arr) ...... Add solution -
Python 2021-11-17 22:50:11
long arrays storing in file python
# long arrays can be stored in csv files far more efficiently import numpy as np import csv # uploading arrays in a csv file arr1 = [i for i in range(500)] arr2 = [i for i in range(1000)] arr3 = [i for i in range(2000)] # you can write('w') or append('a'... Add solution -
PHP 2021-11-11 00:05:12
print asociative array php
<?php /* There are 3 Types of array in php 1. Indexed arrays - Arrays with a numeric index 2. Associative arrays - Arrays with named keys 3. Multidimensional arrays - Arrays containing one or more arrays This is the second one - Associative arrays... Add solution -
Other 2021-11-10 17:01:22
hstack in numpy
# np.hstack concatenates arrays column-wise a = np.array([1], [2], [3]) #read as a vector, i.e. a column b = np.array([4], [5], [6]) #read as a vector, i.e. a column #concatenated to the first one c = np.hstack((a, b))) print(c) # output is # [[1... Add solution -
PHP 2021-11-09 09:01:10
Associative array in php
<?php /* There are 3 Types of array in php 1. Indexed arrays - Arrays with a numeric index 2. Associative arrays - Arrays with named keys 3. Multidimensional arrays - Arrays containing one or more arrays This is the second one - Associative arrays... Add solution
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