storage

问题 popup.js: ... chrome.storage.sync.set({'source': source, 'active': active, 'secs': secs, 'domain': domain}, function() { console.log('Settings saved'); }); ... background.js: chrome.storage.onChanged.addListener(function(tab) { //something }); So, can I add a listener for changes of (for example) 'active'? 回答1: You'd have to add an if or switch statement in the listener for specific keys, like so; chrome.storage.onChanged.addListener(function(changes, namespace) { for(key in changes) { if(key

问题 Good day everybody, I'm stuck with authorization on azure storage. When I am uploading only one file(blob) I put SAS key in the url and everything works fine. But when I need to create chunks in BLOB service, there must be Authorization header(Amazon says that) when creating them. I am trying to use this article to create authorization. There is my JavaScript code(I use ng-file-uploader library): $scope.upload = function (file) { blockId = blockId + 1; Upload.upload({ url: "https:/

问题 Here's how I connect to my database: create a "access.php" file that has the username and password of the database inside it. create a "main.php" file in which I include access.php and then create MySQL connection and the rest. How secure is this way of coding? I'm just a bit scared that if someone could somehow donwload the access.php and get to know my user and pass. Any suggestions? 回答1: I have a .php file called "Connect" which is the database connection file. Then I have a file I call

问题 Currently, I'm using below method to create a path in android external storage. public void createPath() { String path = Environment.getExternalStorageDirectory().getPath()+"/myFolder/"; boolean exists = (new File(path)).exists(); if (!exists) { new File(path).mkdirs(); } } As far as I understand getExternalStorageDirectory() does not exclusively refer to external storage. So this method will create myFolder in user preferred storage (which is generally internal storage). Now I have a

问题 I am essentially using a listview but am looking at providing a bookmark functionality. I am thinking that I should store the item attributes in a file when bookmarked and retrieve when required to populate a bookmark listview. I was wondering if there is a de facto standard used in achieving this or do I follow just the "writing into a file" and "reading from a file" when necessary style? 回答1: Instead of plain files (or XML) you could use a SQLite database (android supports that) to store

问题 I am downloading file from a server in Android using the DownloadManager class. I want to store this file in the internal memory of the device. I tried to use .setDestinationInExternalPublicDir(Environment.getExternalStorageDirectory() +"/Android/data/xxx.xxx.xxx/files/") as mentioned here, but it is not working. How to solve my problem? 回答1: add <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> to manifest.xml and create "/Android/data/xxx.xxx.xxx/files/" path 回答2:

问题 my question is I need to use files from my external slot sdcard, please dont suggest me to use Environment.getExternalStorageDirectory() - it is for internal storage I wanted to created files in external storage 回答1: I don't think its possible. When I was working on my own app I encountered the same problem if there is internal writable memory. Searched for days trying to find out how how to get the actual external SD card but no luck. I thinks its because the way android uses storage, the

问题 How do i find mean , median of a set of numbers without using arrays in C? Question is rather not the way to find mean or median but how to store a set of numbers and perform some operations on them if use of arrays is not allowed ? 回答1: A fun problem. The key to to find a place to store all the numbers. Code could use a file, a linked list, etc. The below uses a linked list and recursion. Leave it to OP for refinements about multiple modes or median when count is even. typedef struct num_S {

问题 I'm trying to get the Username,password and host IQN of a authorized Softlayer Network Storage. I used this python script, but the shell returns [] import SoftLayer API_USERNAME = 'xxx' API_KEY = 'yyyy' storageId = zzzz client = SoftLayer.Client( username=API_USERNAME, api_key=API_KEY ) client['SoftLayer_Network_Storage'].getCredentials(id=storageId) What's wrong in my code? Regards 回答1: try this: """ Get all the authorized hosts for a iSCSI. Important manual pages: http://sldn.softlayer.com

问题 Basically, i'm inspired by this question in building image manager feature for my blog in laravel. However, for unknown reason i keep hitting Resource Limit in the production server. Here's my code: //Migrations public function up() { Schema::create('images', function(Blueprint $table){ $table->increments('id'); $table->string('name')->unique(); $table->string('description')->nullable(); $table->string('image_path')->unique(); $table->string('mime'); // $table->integer('width')->unsigned(); /