how to send large files from android

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Django Upload download large files

Uploaddef upfile (file):Upload_dir='/tmp/upload/%s'%usernameifRequest.method = ='POST':Upload_file= Request. FILES.Get('file', None)ifUpload_file:ifNot os.path.exists (upload_dir): os.makedirs (upload_dir) filename='%s/%s'%(Upload_dir, upload_file.name) F= open (filename,'WB') forChunkinchupload_file.chunks (): F.write (Chunk) f.close ()Downloadimport OS, tempfile, ZipFile fromdjango.http Import HttpResponse fromdjango.core.servers.basehttp Import filewrapperdef send_file (Request):"

IIS uploads large files

IIS7.0 How to upload file limitsIn Windows7 (iis7.5), Win2008 (IIS 7.0), and Win2003 (IIS 6.0), the default settings are particularly strict and secure, which minimizes attacks caused by previously too loose timeouts and limitations.Specifies that the entity body of an ASP request has an allowable size of 200,000 (IIS6 of 204,800) bytes, in versions prior to IIS 6.0, for example: Windows XP (IIS 5.1), without restrictions.This causes the file upload cannot exceed 200k, but in fact the submission

Android uses Audiotrack to send infrared signals

. However, since it is their own development, need to understand the principle, anti-compilation to see a bit, the core code is native codes, or go the way, their own research how to achieve.Find some relevant information on the Internet, the Linux platform has the relevant open source project LIRC (Linux infrared Remote Control): http://www.lirc.org/, support various types of hardware, Through the configuration file to support various types of remote control devices, TV, DVD and so on, is a rel

PHP real-time generation and download of ultra-large data volumes of Excel files

StreamMb_convert_variables (' GBK ', ' UTF-8 ',$columns); Fputcsv ($fp,$columns);//format the data in CSV format and write to the output stream $accessNum=$arr-Count();//get the total from the database, assuming it's 1 million $perSize= 1000;//number of bars per query $pages=Ceil($accessNum/$perSize); $lastId= 0; for($i= 1;$i$pages;$i++) { //data that needs to be exported $accessLog=$arr->offset ($lastId)->limit ($perSize)->get ([' OpenID '])ToArray (); foreach($accessLo

Android Instance code to send HTTP requests (including file uploads, servlet receives) _android

"), NULL, "GB2312"Postmethod.getparams (). Setcontentcharset ("GB2312"); Multipartrequestentity MRP = new Multipartrequestentity (parts, Post.getparams ());Post.setrequestentity (MRP); Execute POST methodHttpClient client = new HttpClient ();int code = Client.executemethod (POST);SYSTEM.OUT.PRINTLN (code);Catch ...} The above code can successfully simulate the Java client to send a POST request, the server can also receive and save the fileM

ANDROID memory optimization (large Summary-medium)

ANDROID memory optimization (large Summary-medium) Preface: The idea of this article mainly draws on a speech PPT at the AnDevCon Developer Conference in 2014, and summarizes, selects, and simplifies the various memory scattered knowledge points collected on the Internet. So I will define this article as a tool-type article. If you encounter memory problems in ANDROID

Android Developers use the POST method to request and send data to the server.

Android Developers use the POST method to request and send data to the server.The GET method is described above. Now try POST#1. First, use a new servlet to process login requests package com.wzw.servlet;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Servle

Android to receive and send SMS implementation code _ANDROID

Android broadcasts Android.provider.Telephony.SMS_RECEIVED messages when it receives text messages, so you can receive text messages by defining a receiver and listening to the message. You can also add a priority to Intent-filter: This allows the application to receive the Android.provider.Telephony.SMS_RECEIVED message before the system because of higher priority.Java files: Package

apache+php upload large files to upload 100M for example _linux

memory consumed by each PHP page, default 8M Here's an example: Front desk: Copy Code code as follows: Send This file: Background: Copy Code code as follows: $uploaddir = './video/'; foreach ($_files as $upfile) { $uploadfile = $uploaddir. $upfile [' name ']; if (Move_uploaded_file ($upfile [' Tmp_name '], $uploadfile)) echo "true"; Else { echo $_files[' userfile ' [' Error ']; See the c

Android Problem Collection 38: Not allowed to send broadcast Android.intent.action.MEDIA_MOUNTED

When we save the picture, we'll send a notification telling the system to sdcard it so that the other program will find it immediately. Intent intent = new Intent(); intent.setAction(Intent.ACTION_MEDIA_MOUNTED); intent.setData(Uri.fromFile(Environment .getExternalStorageDirectory())); sendBroadcast(intent);But to the Android4.4 is not the spirit of the media_mounted, Google will improve t

Android several ways to send text messages "Turn"

) { $ Switch(Getresultcode ())Panax Notoginseng { - CaseACTIVITY.RESULT_OK: theLOG.I ("====>", "RESULT_OK"); + Break; A Caseactivity.result_canceled: theLOG.I ("=====>", "result_canceled"); + Break; - } $ } $},NewIntentfilter (Delivered)); - -Smsmanager SMSM =Smsmanager.getdefault (); theSmsm.sendtextmessage (number,NULL, message, SENTPI, deliveredpi); -}In the simulator i

Android development, Socket send file, read blocked, not get end of file-1

This is my receive file code: Start can read to 1, but now it is not read, so add the red Word resolved (the code of the comment)File File =NewFile (Mfilepath, "Chetou.") +Entity.mediatype); if(!file.exists ()) file.createnewfile (); FileOutputStream Fos=NewFileOutputStream (file);//Save the received file to the corresponding path byte[] Sendbytes =New byte[1024]; intTranslen =0; LOG.V (TAG,"----Start receiving files ); while(true)

PHP environment upload large files need to pay attention to matters

The Public Environment Front Section Send This file: Nginx+linux Environmental considerations PHP environment upload large files need to pay attention to matters: /usr/local/php/etc/php-fpm.conf.defaultRequest_terminate_timeout = 0//This is the fastcgi execution time, which is not restricted by defaultClient_max_body_size 256m; Fastcgi_buffer_size 256k;Fast

Android--email send mail, text and attachments form mail

/article/details/8296529 * http://blog.csdn.net/kudy21/article/details/7665434 */public class emailutils{/** * Android inside Department Send mail * call Mobile email * cannot be sent automatically * sendto Send mail * */public void Sendtoemail (String title,string content,context Context) {Intent data=new Intent (intent.action_sendto); Data.setdata

Android XMPP-based Instant Messaging 3-Emoticons send

This post focuses on some of the things that emoticons send.Reference: Android XMPP-based Instant Messaging 1-basic conversation1. Prepare the resource file.Using the emoji expression, I packed it,: http://files.cnblogs.com/files/pear-lemon/drawable.zip2. Expression layout file Layout_send_emotion.xmlXML version= "1.0" encoding= "Utf-8"?>Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/

App traffic test--using the TCP send and receive length statistics feature provided by Android itself

There are 3 places in the Linux system to save the traffic statistics files, for Android system also applies:(1) Under/proc/net/dev, you can view the incoming and outgoing traffic of each network interface (equivalent to adb shell Cat/proc/pid/net/dev,adbshell cat/sys/class/net/wlan0/statistics/rx _bytes)(2) Under/sys/class/net/, you can find a directory of related categories, such as wlan0. Statistics down

Reproduced Android multithreading multi-Threading usage large collection

URL). OpenStream (), "image.gif"); Mainhandler.post (New Runnable () {@Override public void Run () {//This will run on the main thread//TODO auto-generated method Stub (Imag Eview) MainActivity.this.findViewById (ID)). setimagedrawable (drawable); } }); } catch (Malformedurlexception e) {//TODO auto-generated catch block e.printst Acktrace (); } catch (IOException e) {//TODO auto-generated catch

Android efficiently loads large images to avoid OOM

many Android devices, the width and height of each screen are different, in this way, you can load large images to avoid OOM.[Java]View plaincopyprint? The BitmapFactory class provides multiple parsing methods (decodeByteArray, decodeFile, decodeResource, etc.) for creating Bitmap objects. We should select an appropriate method based on the image source. For example, the decodeFile method can be used

Android efficiently loads large charts and multi-graph solutions, effectively avoiding program OOM

Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/9316683 The main content of this article is Android Doc. I have done some processing after translation, and good English friends can directly read the original text. Http://developer.android.com/training/displaying-bitmaps/index.html Efficient loading of large images Many images are often used when writing

"Go" Android essential Knowledge Point-Android files (file) action

Android uses a file system similar to disk-based file systems on other platforms. This article describes how to use the Android file system to read and write files through the file API.The File object is suitable for reading or writing large amounts of data in the order from start to finish without skipping. For exampl

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