Objective:
Today, in reading the source code of Qt Creator, I found that some of the comments have fixme English words, in English dictionaries can not find its meaning.
In fact, when reading some open source code, we often encounter words like TODO, fixme, and XXX, which have special meanings. 、
TODO: + Description :
If the identity is in the code, the function code is written at the identity, and the functionality to be implemented is briefly de
parameters submitted can be mixed with some malicious SQL statement commands, For example, query the admin account password, query the database version, and query the user's account password, execute write a word XXX to the database configuration file, execute the System command power, and so on.SQL Injection Vulnerability FixIn the bottom of the program code, the SQL bug patching and protection, in the code to add filtering some illegal parameters,
The formal approach to data synchronization is to useSQL-ServerBut copying is a little tricky here.
From the very beginning, considering the size of the client database and other requirements of the clientMSDEInstall oneSQL-ServerIt is a waste of resources. Considering that the technology of binding to the database platform is not a good choice for the future application of the system. More importantly, in the system, the data synchronization pressure is not very high, and the situation is not
Overview:
Single Sign-on, or SSO, is one of the most popular solutions for enterprise business integration at the moment.
The definition of SSO is that in multiple application systems, users can access all trusted applications with only one login.
A more popular definition of SSO is that SSO refers to the same user who accesses a protected resource in a different application in the same server and only needs to log in once, that is, after security aut
]= This. Embeddedvalueresolver.resolvestringvalue (Patterns[i]); } returnResolvedpatterns; } } The spring code is not very obscure, interested in child shoes research propertyplaceholderconfigurer (and if it does not find the XXX key defined in ${xxx}, it will also go to the JVM System Properties (System.getproperty () ) and Environment variables (system.getenv ()).Summarize:XML file, if
Author: Jin Liang (golden1314521@gmail.com) csdn blog: blog. csdn. when netu012176591 compiles a dynamic link library, the following error occurs: error: undefinedreferencetoxxx) collect2: ldreturned1exitstatus attribute 1. i'm sure there is no difference between this and the Java file that calls the dynamic library.
Author: Jin Liang (golden1314521@gmail.com) csdn blog: http://blog.csdn.net/u012176591 compiled dynamic link library, the error: undefined reference to '
Because the direct use of SPRINGMVC, so never understand how xxx-servlet.xml and applicationcontext.xml are different, In fact, if you use SPRINGMVC directly, you can not add applicationcontext.xml files.When using the applicationcontext.xml file, you need to add listener in Web. XML:This is generally a non-spring MVC architecture, such as using struts and so on, you want to introduce spring to add, this is used to load application Context.If you are
Problem description: When attaching a database to sqlserver, it cannot be appended. the following error occurs: Find xxx. select the mdf and xxx_log.ldf files, right-click the files, and choose Properties> Security> Add AuthenticatedUsers to the group or user name to change the group permissions to full permissions. The group is successfully attached again.
Problem description: When attaching a database to SQL server, it cannot be appended. the follo
We develop the product, a part of the function, you need to open the Web page in WebView, and then in the Web page through the JS method callback part of the native function.For the web callback native development method, if you do not understand, you can refer to my previous post, "Android WebView using custom JavaScript for callback" http://blog.csdn.net/arui319/ article/details/7044638Recent tests have found that on some of the newest models (4.2 and above), JS callbacks don't seem to work. O
Problem: when using the sudo command, the system prompts "XXX is not in the sudoers file. This incident will bereported. XXX is your user name, that is, your user name does not have permission to use the sudo command.
Solution: just modify the/etc/sudoers file.
1. Enter the superuser mode. That is, enter "Su-". The system will ask you to enter the superuser password and enter the password to enter the super
In Linux, MySQL reports the Table 'xxx' doesn' t exist error. How can this problem be solved?
In Linux, MySQL reports the Table 'xxx' doesn' t exist error. How can this problem be solved?
Problem: The program reports the error of Table 'xxx' doesn' t exist, but the database shows that the Table already exists and the letters are not spelled correctly.
Cause: m
This article outlines: Special annotation technology in the code--todo, Fixme and the use of XXX.Objective:Today when reading the source code of Qt Creator, found some comments have fixme English words, in English dictionary actually can't find its meaning!In fact, when we read some open source code, we often encounter words such as TODO, fixme, and XXX, which have their special meanings. 、TODO: + Description :If the code has the identity, the functio
Today, I encountered a case where the following error message is displayed when I right-click a database attribute: The property Owner cannot be used in database xxx. this object may not have this attribute or cannot be retrieved due to insufficient access permissions. When you use a script to view the database Owner, it is found that the Owner is null. The following error message is displayed when you right-click a database attribute:
The property
Css is written in the content sent by phpmailer, backgroundurl (xxx) is used in css, and css is written in the content sent by phpmailer, background nbsp; url is used in css (css is written in xx content sent using phpmailer, background url (xxx) is used in css, and empty in url () is parsed.
Css is written in the content sent using phpmailer, background url (xxx
domestic high-tech products, to fill the gap, there is no technical security risks.(2) products can adapt to a variety of different installation and use of the environment.(3) The product can identify multiple targets at the same time, especially for the management of personnel, vehicles and logistic materials.(4) No harm to human body caused by electromagnetic pollution.(5) System products have become "super-intelligent", the user's technical requirements are very low, to achieve a simple adju
Android Development java.lang.RuntimeException:Unable to start activity componentinfo{xxx}: Java.lang.NullPointerException The cause and solution of error concentrationToday learning Android Development suddenly encountered this problem, consulted a lot of information, and the focus on the reasons for analysis.Error message string: Java.lang.RuntimeException:Unable to start activity Componentinfo{com.first/com.first.game}: Java.lang.NullPointerExcepti
On linux, mysql reports Table #39; xxx #39; doesn #39; texist error SolutionMysql on linux reports Table 'xxx' doesn' t exist error SolutionProblem: The program reports the error of Table 'xxx' doesn' t exist, but the database shows that the Table already exists and the letters are not spelled correctly.Cause: mysql in linux is case sensitive by default.Soluti
Original http://help.jumbotcms.net/detail_2012_08/15/10402.shtml
When the project is upgraded to VS2010 or 2012 (and the NET version is also upgraded to 4.0), the following error message is displayed:
The "XXX" type violates the inherited security rules. The derived type must match the Security accessibility of the base type or be less accessible than the base type.
Solution 1:
In fact, it is very easy to add the following information to the Ass
MyEclipse default label todo,xxx,fixme and use of custom labelsSome of the special annotation techniques in MyEclipse include:1. //TODO -Indicates a backlog that has not been completed.2. //XXX --Indicates that the annotated code has realized the function, but the implementation of the scheme is debatable, hoping to improve in the future.3. //Fixme --Indicates that the commented code needs to be corrected
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.