vtl solutions

There are three main solutions to the problem of Ajax cross-domain problems 1. Use the proxy to mount the Cross-domain address below the domain 2. Use Jsonp 3. Use Access-control-allow-origin response Head The first solution needs to introduce proxy server, production environment generally use Nginx or Apache HTTP to do load balancing, can be easily implemented, their development environment generally do not have this thing, need to introduce, increa

1 Error description Run the program correctly, and quote the following error: 2 Error Reason By observing the description of the error described above, we can know: java.lang.UnsupportedClassVersionError:Unsupported Major.minor version 51.0 This error is: class version error is not supported. In other words, different JDK versions of the class file can also be a difference, and some high version of the JDK can be compatible with the lower version of the JDK naturally no problem, but the c

Nfs:server is not responding,still trying causes and solutions Information One: After transplanting the cs89x0, we have been confronted with the following question: Nfs:server 192.168. 10.1 Not Respondingnfs:server 192.168. 10.1 Not Respondingnfs:server 192.168. 10.1 OK ... The embedded system has to go through a lot of attempts to hang up for a long time. Initial suspicion is the problem of NFS configuration, and later speculation may be due to cs89

Small knitting for everyone to share three solutions to solve the problem of MyBatis pass multiple parameters, the specific description as follows: First Scenario The function method of DAO layer Public User Selectuser (String name,string area); The corresponding Mapper.xml Where #{0} represents the first parameter in the DAO layer, #{1} represents the second parameter in the DAO layer, and more arguments are added consist

following are the solutions: Modify the My.ini The code is as follows Copy Code # The default storage engine that would be used when create new tablesDefault-storage-engine=innodbModify "INNODB" to "MYISAM" as:Default-storage-engine=myisam The main reason is that the version used is not supported for InnoDB. Other methods of reference After installation MYSQL5, found that the boot error, and sometimes started

recover even if you lose it. thoroughly examines and resolves the WDCP panel security vulnerability Method For the security problem is more annoying, is certainly need to solve, here the old left to provide solutions, according to their own needs and the actual situation to choose to use. First, upgrade the latest version You can refer to the following command to upgrade the latest version The code is as fo

Problems and solutions of Jqury Slidetoggle scintillation Solving methodwhere "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" is required, if less this sentence will still have flashing problems, specifically why I am not quite sure

Previously encountered cases (DNS server caught incorrectly, and will be overwritten!) ） Ubuntu 6.10 (Edgy) only catches the ADSL Modem DHCP server IP when dialing via PPP.Ubuntu 7.04 (feisty) The hateful Network-manager program will periodically catch the ADSL Modem DHCP server IP. When the Guest OS in VMWare acquires IP on a NAT network, only the NAT DHCP server IP is caught.So a lot of people jump out and ask a question: "How to avoid resolv.conf being modified, rewritten and overwritten, a

, preliminary judgment this is a resource leveling exception that is raised in multi-threaded situations. So, on MSDN to see the list of the introduction, the last "thread-safe" reads: Everything seems clear, so I intend to verify the results, plus the lock, the test results are: There is no more null in the list, confirming that the exception is caused by multithreading security. Then think of yesterday that question is the same problem, and then on MSDN Search DbContext class and Dbset cla

Problems and solutions for seo-search engine optimization . Keyword keywords in the site title on the use of 2. External link anchor text for external links 3. Website Quality website External links popularity, the degree of extensive 4. Site quality domain age (from the search engine index to start computing) 5. Page quality site Internal link structure 6. Keyword image optimization of keywords 7. Key words in the content of the Web page appli

Android Hand What is the reason that the machine cannot install the software? 1, mobile phone does not open the unknown source, is a mobile phone security restrictions 2, the system version is not compatible, this we can see the software requirements version and mobile system version 3, the memory is not enough, under normal circumstances memory will be prompted 4. Other reasons Android phones can't install software solutions First, if it is a

you write a servlet file that contains information that responds to the client, write these two words. It is best to write a second sentence because it has a high priority, and its setting results will overwrite the character encoding set set by methods such as setContentType. Vi. Modifying Tomcat encoding There is a solution to the garbled problem caused by get requests, we often use Tomcat as a container to run the servlet and JSP, and Tomcat's internal default encoding is iso-8859-1, so th

Prior to doing the project is directly using jquery bind the event, but at that time is not dynamically generated DOM elements, but is already in the page of the existing DOM elements for event binding, recently tested to dynamically generated DOM binding events found the event failure, and then tested: 1. Reasons for the failure of the event: (1) Bind event bindings are valid only for elements that are present in the DOM, and are not monitored for the elements that we later dynamically add, s

Under the win10. jar files can not open, through the Internet search, find solutions, record, the need for the brothers to see.Solution 1:Create a new text document, enter the content "Javaw-jar%1", and save it as a batch file, such as "Run.bat".Right-click the. jar format file and choose the run.bat you want to open.The jar will be able to run at this time ....Solution 2:Open the registry, start the-> run (or use the shortcut key win+r), enter regedi

The first phase of JQuery introduced 3.0 version, the changes are very large, if you want to use 3.0, we recommend a careful understanding of the new features, otherwise it will cause some minor problems, such as the following code. Friends who are not familiar with the 3.0 ten new features of jquery can refer to this article. Very simple, there is no problem at this point, the content can be displayed normally, but if there is an exception inside the $ (function () {...}), the pr

file, pay attention to the above is AS3, AS2 not the same Oh, refer to the above writing. 5. Cross-domain issues for each browser: ie do not say, this basic no problem, including flash generated by the HTML on IE's support to do a good job, here to talk about the issue of Chrome and FF:For Flash,ie is the OBJECT tag, but FF and chrome are embed tags, so this is very important, if in debugging, find Firebug and other ToolTips "... is not a Function", We'll look for the following: 1, whether A

Vulnerability descriptionMemcache is a commonly used key-value caching system, because it does not have permission control module, so the Memcache service of open Extranet is easily detected by attackers, and the sensitive information in Memcache can be read directly through command interaction.Repair schemeBecause Memcache has no privilege control function, users need to limit the access source, and share 4 effective solutions below.1, binding IPIf t

QQ software users to the detailed analysis to share the QQ mailbox attachments can not download the reasons and solutions. Method Sharing: 1, attachment expiration: Attachment expired, as the name implies is sent the attachment has been used, can no longer download operation, expired attachments will no longer have the download operation prompts, therefore, can not download the attachment, such a solution is very simple, is to ask him to pass it t

Reason Analysis: In fact, this problem is generally caused by network errors. Workaround One: The router and the cat restart, the general can be solved! Workaround Two: 1. Right click on the Start menu and select "Command Prompt (admin)"; 2. In the Command Prompt box, enter: netsh winsock reset press ENTER, restart the computer after the reset prompted to solve the problem! The above is the WIN10 system prompts no valid IP configuration reason analysis and two kinds of

CSS multi-browser compatibility issues and solutions First, Document.formName.item ("itemname") problem Problem description: Under IE, you can use Document.formName.item ("ItemName") or document.formName.elements ["ElementName"];firefox, You can only use the document.formname.elements["ElementName"]. Workaround: Unify the use of document.formname.elements["ElementName"]. problem of object of collection class Problem Description: IE, you can use