how to avoid ransomware

1, avoid keyword piling Proper control of the keyword density can effectively improve the search spider's collection rate. SEO friends know that at present the best density should be between 2%-7%. That is, the keyword you crawl in your text appears in the frequency between this density. Beyond too much, search engines will think it is cheating to give up crawling. 2. Avoid duplicate page appearance As C

Robots.txt file is a simple txt text, but focus on web site building and site optimization Seoer are aware of its importance, its existence can not want to search engine crawl page, can also be like a map for the Spider to guide navigation. When spiders crawl to a site, the first access is the existence of Robots.txt files, and then follow the instructions in the content of the index access, if the file does not exist then follow the links in the page in order to access. So we can use it to bloc

transferred from: http://hi.baidu.com/fsword73/item/51df1fafe6083e268919d39e Author: fsword73 Bank Conflicts is a common problem in storage access, and avoids bank Conflicts effectively improving storage access speed. The following is a description of two instances, reduction and prefix Sum. 1 use padding in reduction to avoid bank Conflicts AMD HD Readon 5870 For example, the Local Memory has 32Banks, each wavefronts has 64threads, the Bank conflicts

Article Description: as a mobile product interaction designer, the use of design to circumvent problems, improve product user experience, the experience into value, is our pursuit of the realm. Mobile phone product design Taboo, is the author encountered some design problems, welcome to the road Master Synergy to meet the problems, common to avoid the repetition of the invention of the wheel. In the process of doing mobile phone product de

Believe that a lot of webmaster friends in the site when they have experienced a site is down the right process, here is the right to decline is usually referred to by Baidu down right, then how to judge the site has been down right? Take site:www.***.com as an example, see screenshot: Baidu's algorithm is often updated, but also attaches great importance to the quality of the site, so usually the quality of the site is not high, often through simple copy paste on the perfunctory webmas

5.8.3 Avoid duplicate submissions of forms It is a tricky problem for users to submit a form because of the speed of the network, or if the webpage is maliciously flushed, causing the same record to be repeatedly inserted into the database. We can start with the client and the server side, and try to avoid repeating submissions for the same form. 1. Using client Script Refers to client-side scripting, ofte

The parent process of the zombie process to recycle, the parent process every time to query whether the child process is finished and recycled, call wait () or Waitpid (), notify the kernel to release the zombie process /* Let the parent process of the zombie process recycle, and the parent process queries the child process to see if it ends and recycles at intervals, calls wait () or waitpid (), notifies the kernel to release the zombie process */ #include Run results Xfliu@ubuntu:

which to copy the part, which is the decomposition of the Wherestatement, and then select * FROM table in the query interface whereThe "predicate" that was just copied. This is the part that needs to be optimized, since this is the step, most people should be able to manually index it, because the WHERE statement here is much simpler than the previous one. (In my project, the where part of the original SELECT statement has 10 conditional combinations, involving 6 fields, extracting the part to

period of time.You can block RM by setting up aliases, so that once you use the RM command directly you are aware of (of course, you can use the means to cross an alias).3. If you do not want to delete data, you can also use find combined with RM to replace the simple RM, including set timed tasks such as actions to perform cleanup.4, if you do not want to use RM Delete, please try to switch the directory in the deleted directory data, can not be used wildcard characters without wildcards.5. If

Avoid creating unnecessary objects in Java. Alan has recently read the textbook Java book, which contains a wealth of content. I will not introduce it much. I can only say one thing in silence, missing this book as a java developer will inevitably become a small pity, so it is recommended that you have time to read this book. I still cannot understand many things introduced in this book. Many things cannot be used in normal development, so I will not

Android ANR Generation Principle and how to avoid it, androidanr On Android, if your Application is Not responsive for a period of time, the system will display you a dialog box called ANR: Application Not Responding. You can choose to "wait" for the program to continue running, or choose "force close ". Therefore, anr cannot appear in a smooth and reasonable application, so that users can process this dialog box every time. Therefore, the design of r

From the "Shake" and "defend" the heat of the discussion, too dependent on input method, resulting in the phenomenon of pen and forget the word, in the end how do we avoid relying on input method and more and more science and technology dependence, as well as our daily reading and writing caused by the impact? It is not an accident to believe that a "shake" is a mistake, So how to avoid overly dependent inp

Running Android program, press the home key to return to the desktop, click on the program icon at the time to avoid restarting the program solution again example: a android program contains two Activity, respectively mainactivity and otheractivity,activity for program startup. If the program is located in otheractivity, click home Key, the program returns to the desktop, mainactivity, Instead of entering the home KEY moment the program is l

The following is an example of how to use jQuery to automatically scale down the text in a div to avoid text overflow: lt ;! DOCTYPEhtmlPUBLIC quot;-// W3C // DTDXHTML1.0Transitional // EN quot; http://www.w3.org/TR/xhtml1/DTD/xhtml1-trans An example of how to use jQuery to automatically narrow down text in a div to avoid text overflow today The Code is as follows: Www.2cto.com JQuery implements automat

The CSS selector has a weight. When the style settings of different separators conflict, the style set by the selector with a higher weight will be used. If the CSS selector has the same weight, the style follows the proximity principle. The final definition of the selector adopts the style of the selector. If you ignore the CSS selector weight, it will cause unexpected minor problems.Requirements and Solutions CSS selection operator weight is very important Now we need to set the word "importan

the relevant information he said, and I only looked at the interface. At that time, I only proposed to use setTimeout or setInterval to avoid this problem, however, the last time I used a multi-threaded Demo was too long and a bit vague, and I was not sure about it. So when I went home, I quickly pulled out the previous Code and sorted out the answer, as shown below: The code is simple, so I am too lazy to write comments. The following are the number

vswitch, it hides a serious risk in your virtual LAN. A site can easily prove that it is using an 802.1q-encapsulated switch, thus creating a relay link and becoming a member of all Virtual LAN. Thanks to Cisco's latest IOS operating system, this security vulnerability has been fixed. To avoid possible Virtual LAN jump attacks, do not use the "dynamic" mode at the interface level, and set the network to "relay" or "access" type. Address Resolution Pr

"] = Convert.ToInt32 (dt. rows[0]["Clicknum"]) + 1; Cookies. Value = title; Context. RESPONSE.COOKIES.ADD (cookie); }} Res. state = Apistate.ok; Res. Data = DT; }I mainly use a cookie way to achieve such a news click after the Count plus 1, this way is actually a certain bug, should be noted here is the user's most recent visit news headlines, then if the user in a few news between the

It is often appropriate to reuse a single object instead of creating a new functionally equivalent object each time it is Needed. Reuse can both faster and more stylish. An object can always be reused if it is immutable.String S=new string ("no"); DON "T do this!The statement creates a new String instance each time it is executed.String s= "yes";This version uses a single String instance,avoid creating unnecessary objects. Packagecreatobjects;ImportJa

Original: Use Configsource in the Web. config file to avoid dynamically modifying Web. config to cause ASP. NET Restart (Add a config file to manage user data)As we all know, after modifying the configuration file Web. config in ASP. NET, it causes the application to restart and all sessions (session) are lost. However, the application configuration information in the configuration file is the best choice, in the background to modify the configuration