Solution itunes unknown error -50 problem occurred

　　iTunes is the central link between Apple devices and PC, iTunes if the strike is all natural fruit powder hearts nightmare.Unfortunately, the use of iTunes into the iTunesstore process, many users...

Solution ios simulator does not pop up keyboard issues

　　Actually, this is more or less the newcomers are met, we may be mistaken mainly use shortcut keys to switch caused!　　 　　Solution: As Figure: switch simulator to the front, meaning first draw t...

Solution IOS developed an empty string

　　- (Boolean) isEmptyOrNull: (NSString *) str {　　if (!str) {　　// null object　　return true;　　} Else if (str == Null) {　　return true;　　} Else if ([str isKindOfClass: [NSNull class]]) {　　...

Solution interface adapter Huawei cell phone-based virtual keys

　　public class AndroidWorkaround {　　public static void assistActivity (View content) {　　new AndroidWorkaround (content);　　}　　private View mChildOfContent;　　private int usableHeightPrevious...

Solution Intellij Idea garbled based

　　Use Intellij Idea three kinds of garbage problem frequently encountered:　　1, engineering codes garbled　　2, main method runs, the console garbled　　3, tomcat running, the console garbled　　so...

Solution Install SSD of the computer does not shut down properly

　　SSD and mechanical disks compared to a lot of people running fast SSD favor, but for starters, there may be some unexpected problems at the time of installation.Dismount to introduce solutions ins...

Solution Install nuclear was driving alone was unable to install the driver

　　Dual graphics cards, must be installed before you install the graphics card graphics core, the core graphics driver if there is a problem, the situation can not install the graphics card driver wi...

Solution inkjet printers using Common Problems

　　Although the daily office, laser printers becoming more common, but the use of inkjet printers are also a lot of people, after all inkjet printers in terms of printing color pictures, with innate,...

Solution in ie6, the gap appears below the picture

　　Since different browsers, we use div + css layout, you will inevitably encounter a lot of problems.In ie6, the picture will appear below the excess gap.　　How to solve this problem? In fact, to s...

Solution in a circular dependency Spring Detailed Analysis

　　Foreword　　Speaking of solutions circular dependencies of Spring, we believe that many parks are more or less faithful know something, but when really detailed, they might not be able to talk abo...

Solution iframe tag nested on the settlement issue

　　Problem Description　　When we do use easyui background management system will be used to implement the component tree tree menu, and we each click corresponding menu, depending on whether there i...

Solution Huawei routers POS link can not be opened

　　 　　First, the network environment　　A router has two interfaces and GE.5G POS interfaces to other router, the router after startup A, GE ports discovery state is normally open, but 2.5G POS por...

Solution Huawei mate30pro message does not display the lock settings

　　Huawei mate30pro does not display a message after setting application lock how to do?There is a Huawei phone application lock, locked application requires a password to open.But there is little re...

Solution html5 video tag in question can not play mp4

　　Foreword　　Recently I discovered a problem in the mobile phone recorded a 1.mp4 file, normal playback mainstream browsers.However, the use of plant rmvb format file transcode 2.but can not play m...

Solution hover when multi-line arrangement picture frame add up crowded picture compatible IE7 +

　　problem:　　The face of rows and columns arranged pictures, hover the border will add up pushed away the image below　　================================================== ==========　　note:　　IE...

Solution hardware failure of the router Fiji News

　　When a wireless network problem, we need a step by step investigation of the cause of the failure, first of all we have to do is start from the hardware, if you suddenly can not access the wireles...

Solution hard disk seek error rate

　　 　　Seek error rate: refers to a hard disk head seek servo system to position the head to read and write commands to read and write the specified track the behavior of.If the head motor servo sys...

Solution goes blank on the issue iOS under 11 app icons

　　Preface:　　With the release of iOS11 first developer preview version of iOS11 Beta1, about the new features on Apple''s WWDC will iOS11 system not mentioned by developers excavated.　　However, r...

Solution glory Vice routes in the routing can not automatically distributed network presentation

　　Vice-routing distributed routing glory does not automatically how to do network?Distributed routing would have been a key networking function, if the network fails to how to solve it?The next arti...

Solution glory routing Pro plug in USB storage device does not recognize the description

　　Pro glory routing plug in USB storage device does not recognize how to do?Glory routing Pro supports file sharing, file sharing user to open and insert a USB storage device, connect to the wifi ro...

Solution gap appears img tag up and down

锘�?校?斜img ?谐Documentimg{height: 200px;margin: 0;padding: 0;border-bottom: 1px solid red;}ul{border: 1px solid blue;list-style: none;padding: 0;margin: 0;} img ?inline??魏尾?Si胁?----CSS??? base...

Solution Flying Star label distribution protocol router failure

　　 　　A networking environment　　In networking environments Volans router, the router Volans Volans routers A and B are directly connected, both to perform LPLS, but can not establish LDP.　　Seco...

Solution flicker problem of two superimposed div trigger event occurs

　　When the mouse over div1, there will be div2.div2 on top of div1, div2 flicker problem occurs when the event occurs.　　So start looking for the root of the problem and found that because when we ...

Solution flicker or a black background of the development of HTML5 mobile end after page, click the button

　　H5 page when IOS end of the test found, click the button will flash, a black background appears fleeting, affect the user experience.Finally, the degree of your mother, to find a solution: that is...

Solution Firefox in obtaining height div with the offsetHeight 0

　　　　　　　　　　window.attachEvent( "onload", function(){ _resizeScroll2();} );　　window.onresize=function(){winresize();};　　function _resizeScroll2(){　　var html1=''''　　+ ''测试''　　+ ''da...

Solution Fedora14 carried out under the eclipse android development, ibus no input prompt window Comments

　　Finally build a good development environment, but no matter how pressing Ctr + space, ibus just do not pop up.With a click of the mouse, right above tips no input window　　.Really fucking!google ...

Solution explore JQUERY JSON deserialization class using problem

　　Recently passed to the server to get hold of JSON deserialization method and found a lot of problems, hereby record solutions, and share with you　　Manual download and reference Newtonsoft.Json.d...

Solution Excel to read about the Poi lead to memory overflow problem

　　import java.io.InputStream;　　import org.apache.poi.openxml4j.opc.OPCPackage;　　import org.apache.poi.xssf.eventusermodel.XSSFReader;　　import org.apache.poi.xssf.model.SharedStringsTable;　　i...

Solution error after reference framework jquery

　　Problem Description: When a reference framework jquery, js page is not working properly.　　Behind my solution: because the code in the frame of reference for a jquery　　　　改为如下的引用方式　...

Solution Error 676 line is busy problem

　　The system comes with PPPOE dial-up protocol is being used, disconnect the PPPOE link is connected or restart your computer.　　1.Non-normal to normal client off the assembly line, will this promp...

Solution encountered an error in quotation marks when parsing json

　　public static String htmlEscape (String input) {　　if (isEmpty (input)) {　　return input;　　}　　input = input.replaceAll ( "&", "&");　　input = input.replaceAll ( "", ">");　　input = input.r...

Solution eight heads appear

　　SA appeared a lot of time testing all bad phenomenon, and is continuous bad, of course, pass the written test, and can not return to green.　　It stands to reason this case is almost impossible, b...