Tutorial by Examples: c

Event Bubbling and Capturing

Events fired on DOM elements don't just affect the element they're targeting. Any of the target's ancestors in the DOM may also have a chance to react to the event. Consider the following document: <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> </hea...
DOM • Events

Checking arithmetic with assert

a = 1 - Math.abs(1 - a % 2); // This will throw an error if my arithmetic above is wrong. assert a >= 0 && a <= 1 : "Calculated value of " + a + " is outside of expected bounds"; return a;

Downloading a file via curl

This downloads a file from the Dropbox API at the remote path /Homework/math/Prime_Numbers.txt to the local path Prime_Numbers.txt in the current folder: curl -X POST https://content.dropboxapi.com/2/files/download \ --header "Authorization: Bearer <ACCESS_TOKEN>" \ --head...

Downloading a file with every error case handled using the SwiftyDropbox library

Dropbox.authorizedClient!.files.download(path: path, destination: destination).response { response, error in if let (metadata, url) = response { print("*** Download file ***") print("Downloaded file name: \(metadata.name)") print("Downloaded f...

Downloading a file via curl in C++

#include <stdio.h> #include <curl/curl.h> int main (int argc, char *argv[]) { CURL *curl; CURLcode res; /* In windows, this will init the winsock stuff */ curl_global_init(CURL_GLOBAL_ALL); /* get a curl handle */ curl = curl_easy_init()...

Downloading a piece of a file via curl using Range Retrieval Requests

This downloads just a piece of a file, using Range Retrieval Requests, from the Dropbox API at the remote path /Homework/math/Prime_Numbers.txt to the local path Prime_Numbers.txt.partial in the current folder: curl -X GET https://content.dropboxapi.com/2/files/download \ --header "Auth...

Uploading a file via curl in PHP

<?php $path = 'test_php_upload.txt'; $fp = fopen($path, 'rb'); $size = filesize($path); $cheaders = array('Authorization: Bearer <ACCESS_TOKEN>', 'Content-Type: application/octet-stream', 'Dropbox-API-Arg: {"path":"/test/'.$path.'...

Uploading a file via curl in C++

#include <stdio.h> #include <curl/curl.h> int main (int argc, char *argv[]) { CURL *curl; CURLcode res; /* In windows, this will init the winsock stuff */ curl_global_init(CURL_GLOBAL_ALL); /* get a curl handle */ curl = curl_easy_init()...

Uploading a file via curl

This uploads a file from the local path matrices.txt in the current folder to /Homework/math/Matrices.txt in the Dropbox account, and returns the metadata for the uploaded file: echo "some content here" > matrices.txt curl -X POST https://content.dropboxapi.com/2/files/upload \ ...

Uploading a file from NSData with every error case handled using the SwiftyDropbox library

This uses the SwiftyDropbox library to upload a file from a NSData to the Dropbox account, using upload sessions for larger files, handling every error case: import UIKit import SwiftyDropbox class ViewController: UIViewController { // replace this made up data with the real data le...

Uploading a file via jQuery in JavaScript

// ... file selected from a file <input> file = event.target.files[0]; $.ajax({ url: 'https://content.dropboxapi.com/2/files/upload', type: 'post', data: file, processData: false, contentType: 'application/octet-stream', headers: { "Authorization&q...

Uploading a file from text via jQuery in JavaScript

var data = new TextEncoder("utf-8").encode("Test"); $.ajax({ url: 'https://content.dropboxapi.com/2/files/upload', type: 'post', data: data, processData: false, contentType: 'application/octet-stream', headers: { "Authorization": ...

Getting account information for the linked user via curl

curl -X POST https://api.dropboxapi.com/2/users/get_current_account \ --header "Authorization: Bearer <ACCESS_TOKEN>" <ACCESS_TOKEN> should be replaced with your access token.

Getting account information for the linked user via curl in C++

#include <stdio.h> #include <curl/curl.h> int main (int argc, char *argv[]) { CURL *curl; CURLcode res; /* In windows, this will init the winsock stuff */ curl_global_init(CURL_GLOBAL_ALL); /* get a curl handle */ curl = curl_ea...

Getting account information using the Dropbox Python library

This uses the Dropbox Python SDK to get the user's account information from the Dropbox API. import dropbox dbx = dropbox.Dropbox("<ACCESS_TOKEN>") dbx.users_get_current_account() <ACCESS_TOKEN> should be replaced with the access token.

Getting space usage information for the linked user via curl in PHP

<?php $headers = array("Authorization: Bearer <ACCESS_TOKEN>", "Content-Type: application/json"); $ch = curl_init('https://api.dropboxapi.com/2/users/get_space_usage'); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_POS...

Sharing a folder with every error case handled using the SwiftyDropbox library

This uses the SwiftyDropbox library to share a folder, handling every error case: Dropbox.authorizedClient!.sharing.shareFolder(path: "/folder_path").response { response, error in if let result = response { print("response: \(result)") } else if let callError ...

Sharing a folder using curl

curl -X POST https://api.dropboxapi.com/2/sharing/share_folder \ --header "Authorization: Bearer <ACCESS_TOKEN>" \ --header "Content-Type: application/json" \ --data "{\"path\": \"/folder_path\",\"member_policy\&q...

Inviting a member to a shared folder using curl

curl -X POST https://api.dropboxapi.com/2/sharing/add_folder_member \ --header "Authorization: Bearer <ACCESS_TOKEN>" \ --header "Content-Type: application/json" \ --data "{\"shared_folder_id\": \"<SHARED_FOLDER_ID\",\"members...

Inviting a member to a shared folder with every error case handled using the SwiftyDropbox library

let toInvite = [Sharing.AddMember(member: Sharing.MemberSelector.Email("<EMAIL_ADDRESS_TO_INVITE>"))] Dropbox.authorizedClient!.sharing.addFolderMember(sharedFolderId: "<SHARED_FOLDER_ID>", members: toInvite).response { response, error in if (response != nil...

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