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How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
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Creating a BLOB from a Base64 string in JavaScript
...er's code point (charCode) will be the value of the byte. We can create an array of byte values by applying this using the .charCodeAt method for each character in the string.
const byteNumbers = new Array(byteCharacters.length);
for (let i = 0; i < byteCharacters.length; i++) {
byteNumbers[...
ORDER BY the IN value list
...e the set-returning function like a table.
A string literal to hand in the array instead of an ARRAY constructor may be easier to implement with some clients.
Detailed explanation:
PostgreSQL unnest() with element number
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Converting String array to java.util.List
How do I convert a String array to a java.util.List ?
6 Answers
6
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Simple way to convert datarow array to datatable
I want to convert a DataRow array into DataTable ... What is the simplest way to do this?
14 Answers
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Google Maps API v3: How to remove all markers?
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Simply do the following:
I. Declare a global variable:
var markersArray = [];
II. Define a function:
function clearOverlays() {
for (var i = 0; i < markersArray.length; i++ ) {
markersArray[i].setMap(null);
}
markersArray.length = 0;
}
OR
google.maps.Map.prototype.clearOv...
How do you make an array of structs in C?
I'm trying to make an array of structs where each struct represents a celestial body.
7 Answers
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Swift how to sort array of custom objects by property value
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First, declare your Array as a typed array so that you can call methods when you iterate:
var images : [imageFile] = []
Then you can simply do:
Swift 2
images.sorted({ $0.fileID > $1.fileID })
Swift 3+
images.sorted(by: { $0.fileID &g...
Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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How to generate .json file with PHP?
...sample code:
<?php
$sql="select * from Posts limit 20";
$response = array();
$posts = array();
$result=mysql_query($sql);
while($row=mysql_fetch_array($result)) {
$title=$row['title'];
$url=$row['url'];
$posts[] = array('title'=> $title, 'url'=> $url);
}
$response['posts'] =...