Fix the picture orientation that iOS gets from cameras and albums

Fix the picture orientation that iOS gets from cameras and albumsThe default direction of images taken with the system camera is sometimes not imageorientationdown, but Imageorientationleft, which appears when used in a clockwise deflection of 90 °.

Network Fundamentals: NetBIOS

Network Foundation Small complement.use NetBIOS names to communicate with other computersComputers in the network must know the IP address before they can communicate with each other. But for people, IP is difficult to remember, NetBIOS computer

IOS jump to System Setup interface-B

In the project, we often encounter the need to use location. When the user set the app is not allowed to use the location, the best user experience is to directly switch to the location of the system settings interface, set.I have tested, can jump

When iOS Layoutsubviews and DrawRect methods are called

The layoutsubviews is called in the following cases:1. Init initialization does not trigger layoutsubviews.2, Addsubview will trigger layoutsubviews.3, set the frame of the view will trigger Layoutsubviews, of course, if the frame value has changed

H5 Hybrid Development app configuration and the first project--blog Park Old Bull Lecture Hall

Some time ago someone asked me how to use H5 to develop the app, I happen to know the steps to stick out, there is no understanding of the place to give me a message, I revise. --Blog Park Lao Niu Big Lecture Hallthought : First use Hbuilder

iOS exception capture

Article DirectoryI. System crashTwo. Handling signal Here are some signal descriptions Key points Note Three. Actual combatFour. Crash callstack analysis – one step into the analysisFive. Demo AddressSix.

App common crash causes and test methods collation

People who have tested apps should find that app crashes are a very common problem and often deadly, which requires testers to do their best to find bugs in the software and reduce the likelihood of app crashes. Here I will collect the information

Seamless scrolling + drop-down refresh + directional swipe on mobile

DocumentSeamless scrolling + drop-down refresh + directional swipe on mobile

Make you lazy Android Studio Live Templates

As the saying goes, programmers who don't want to be lazy are not good programmers! So today teaches everybody to be lazy!For example, we enter a Toast in Android development, and then we have the following quick actions:Isn't it convenient?A

JS picture front-End compression multi-image upload (rotation is actually good, but the phone side has a problem to first compression and then rotation)

var filechooser = document.getElementById ("choose"); Canvas var canvas for compressing pictures = document.createelement ("Canvas"); var ctx = Canvas.getcontext (' 2d '); Tile canvas var Tcanvas = document.createelement ("Canvas"); var tctx =

An explanation of the various reasons for Android memory leaks

Describe:Resource objects such as (cursor,file files, etc.) often use some buffering, we should close them in time when we are not in use, so that their buffers can recover memory in time. Their buffering exists not only in the Java Virtual machine,

User behavior data Collection core thinking (APP, web Data acquisition/burying point)

There are many forms, or methods, of data acquisition (the so-called buried point). All data acquisition is handled in a different time around a core of three points.The core thinking of data collection three points:1, objects;To collect who, a page,

Customization of Android View

public class Yanghangcreditcircle extends View {private static final String TAG = "Yanghangcreditcircle"; private int resid = r.drawable.credit_report_turntable; Public Yanghangcreditcircle (Context context) {super (context); Init ();

PHP--Upload file interface Authoring and IOS--end upload image AF Implementation

PHP Upload File interface://Save Picture$json _result[' status '] = 0;$path= ' Upfile ';$json _result[' status '] = 0;$json _result[' successmsg '] = ' upload failed ';if(isset($_files[' Image '] )) { $upfile= ' upfile/'.$_files[' Image '] ['

Android AutoLayout is a new fit for Terminator

Reprint please indicate the source:http://blog.csdn.net/lmj623565791/article/details/49990941;This article is from: "Zhang Hongyang's Blog" I. OverviewI believe that Android developers are more distressed about provisioning issues, although

Android Learning note 39--using raw resources

Raw ResourcesThere is no type file in Android that specifically provides administrative support, which is called the original resource. For example: sound resources ...Android Raw Resource storage location:The 1.res/raw,android SDK processes the

"iOS Interview Series-2" the logical relationship between synchronous, asynchronous, and serial, parallel in multi-threading (required, must be mastered)

gcd

One, synchronous, asynchronous and serial, parallelTask serial execution means that only one task is executed at a time, and the concurrent execution of the task is that multiple tasks can be executed at the same moment.a synchronization function is

A mind map that tells you how to get started quickly with Android novice

This blog from the public number Android application channel: http://mp.weixin.qq.com/s?__biz=MzA3MDMyMjkzNg==&mid=2652261947&idx=1&sn= 80ab40c249105108e0a03a3aa160eb2e&scene=0#wechat_redirect ↓↓android Knowledge system Framework ↓↓Next, let's

Android Development Issue Notes

1, Toolbar problem: Minimum version 15, must use support, in order to use Toolbar,toobar is 5.0 introduced2, bottomtab: this with tablayout solved3, the backend API is best to use a mature framework to do,RESTful django-rest-framework, for example,

iOS 9 Learning Series: Universal links to iOS 9 (Universal links)

On WWDC 2015, Apple announced a deep link feature for IOS 9, a so-called universal link, with the video address [seamlessly linked to your App]. While it is not a must-have feature, some attention needs to be drawn.There are so many confusing and

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