"Unhandled exception in App.exe (QtGuid4.dll): 0xc0000005:access violation" error resolution

The QT debugging problems to be solved in this article are as follows:cause : Add a two-dimensional array of type Qcolor to the code to store each pixel of the picture.Symptom : The error shown appears when debugging.reason : After Baidu and

Android Scan music files, two ways to obtain the latest file modification time

Package Com.example.demo_mediascanner;import Java.io.file;import Java.util.calendar;import java.util.Date;import Android.net.uri;import Android.os.bundle;import Android.os.environment;import Android.provider.MediaStore;import

Mobile testing Strategy

Kiran Rayachoti is a senior management program manager at Sapient Corporation. He has more than 10 years of experience in QA regulations, processes, methodologies, test automation, performance testing and commercial acceptance testing. At first he

android--Solution--Custom tabhost (dynamic add option + Auto horizontal swipe tab + gesture toggle tab and content function)

This article mainly addresses the implementation of custom Tabhost, as well as integration of dynamic Add tab functionality via code, TAB horizontal Auto-swipe, and toggle tab functionality with gestures.Follow me to complete this perfect solution:1.

Html5+canvas+jquery Call Mobile photo function implementation Image upload (ii)

The previous article only talked about the foreground operation, this is specifically related to the Java background processing, the foreground through the AJAX submission will BASE64 encoded image data to the Java background, and then the Java side

Android--facebook Login without Loginbutton

1. Introduce Facebook project Lib and declare com.facebook.loginactivity,facebook_app_id in manifest2. Call Mode:1). Initialize Facebooklogin, set callbackPrivate Facebooklogin Facebooklogin;Facebooklogin = new Facebooklogin (this);

Android--facebook Login

1. layout file Add Facebook Loginburtton1 Com.facebook.widget.LoginButton2 Android:id= "@+id/authbutton"3 Android:layout_width= "Fill_parent"4 Android:layout_height= "Wrap_content"5 android:layout_gravity= "Center_horizontal"6

BASE64 encoding of images in Wang Liping-android

------------------Base64-------------------//Public String bitmaptostring (Bitmap Bitmap) {Convert Bitmap to Stringstring string = null;Bytearrayoutputstream Bstream = new Bytearrayoutputstream ();Bitmap.compress (Compressformat.png, Bstream);byte[]

Build Android Development Environment--android4.0.3, 4.1, 4.2, 4.3, 4.x, and upgrade ADT (22.0.5) and SDK (22.x)

Build an Android development environment tour (Android4.0.3)1. First to download the relevant software1). JDK 6 or higher2). Eclipse (Version 3.6.2 or higher) click to download3). SDK (Android-sdk_r18-windows) is now the latest click to download4).

Example of a usage of Android--viewgroup (reproduced)

Looked for a long time, finally found.XML code XML version= "1.0" encoding="UTF-8" ?> merge xmlns:android="http://schemas.android.com/apk/res/android" xmlns:okcancelbar="Http://schemas.android.com/apk/res/com.example.android.merge">

Phone Resolution basics (DPI,DIP calculation)

1. Terminology and concepts Terms Description Note Screen size Refers to the actual physical size of the phone, such as the usual 2.8-inch, 3.2-inch, 3.5-inch, 3.7-inch Motorola milestone phone is 3.7

IOS App crash log analysis

In this tutorial, you will learn some common crash log cases, and how to get crash log files from development devices and itunes Connect. You will also learn to symbolize (symbolication), from log tracking to code. You will also learn to debug an

Static correlation of Java4android

In this section, I want to relate to the Java static knowledge points all involved, at least when you read this post, your knowledge of Java static can let you in the gossip can chat with other programmers for a while.Static in Java is mainly

Web-android Engineer first form switch of -4-6 Java conditional statement

Source: http://www.imooc.com/code/1358Using a switch statement is more concise when you need to make an equivalent judgment on an option. For example: According to the rank of the exam, give the top 4 different prizes. First prize notebook one,

A collection of issues that must be addressed when porting Win32 games to the Android platform

There are many problems in this area, and it is difficult to find the answers on the Internet. I'm here to put a game of my own from WIN32 to the Android transplant process must face and to solve problems, listed (some have been answered, some have

Android_ get a variety of details about your phone

The Telephonymanager class provides a series of get methods for accessing status and information related to mobile communication. These include mobile SIM status and information, the status of the telecommunications network, and the information of

Tabs on Android (tab)--A magical character (Cocos2dx crash)

Today's test found a problem with the game, System mail, if the tab, on Android on the open message content will be crash. And they're pretty sure it's the tab question.With my multi-month experience (indeed not for many years ...) See, never heard

An A-Z Index of the Apple OS X command line

Source: Http://ss64.com/osx/An A-Z Index of theApple OS X command Line Alias Create an alias alloc List used and free memory apropos Search the Whatis database for strings ASR Apple software Restore awk Find and Replace text within file (s) b

Android NDK R8 Cygwin CDT under Window development environment installation configuration and use detailed graphic explanation

Android latest NDK R8 under Window development environment installation configuration and use of detailed graphic explanation, complete actual configuration process record (original) always want to engage in the NDK development has been delayed for

Dr-helper Project Design Introduction (a point meal management system with mobile and web side)

First, the source pathHttps://github.com/weiganyi/dr-helperSecond, the interfaceTo access Web services through a browser, you can see the following interface:Adt-bundle compile project generated dr-helper.apk, after installation can see the

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