how to avoid keyloggers

The previous two articles have been very good introduction of the Nginx configuration SSL Some cases, the configuration of nginx every boot to lose two times Pem pass phrase, is very uncomfortable, especially after the server restart, Nginx can not automatically start, you must manually start and enter the trouble of PEM Pass phrase. How to avoid nginx boot appears enter PEM pass phrase?After turning to the almighty search engine, finally got the solu

This article to share the content is 10 you need in PHP 7 to avoid the pit, has a certain reference value, the need for friends can refer to 1. Do not use the Mysql_ class function Finally, you don't have to see the suggestion to use mysql_ the function again. Since PHP 7 completely removes them from the core, this means you move to a better mysqli_ class function, or a more flexible PDO layer. 2. Don't write useless code This may seem like a no-bra

PHP solution to avoid repeated declarations of functions jincoo (from RUTED. COM crawler) we know that the same function name cannot be used in PHP to define the function twice. if so, an error occurs during program execution. Some common user-defined functions are extracted and put into an Include file, and then SyntaxHighlighter. all PHP solution to avoid repeated declarations of functions jincoo (from RU

No matter which junior programmer is involved in a field, there is no greater ambition than the immediate confusion: do not know what to do, do not know what to do. Here is what I learned as a software developer, and I hope to be of some help to you. 1. Don't be afraid to study at work. As long as you have a computer, you can read newspapers and most books through e-readers. If you are just doing your job and assigning tasks, you can't learn a lot of things. If you blindly ask for more work, it

This article mainly introduces how to avoid conflicts between the Smarty and CSS syntax. The example shows how to deal with conflicts between the Smarty and the CSS braces, for more information about how to avoid syntax conflicts between Smarty and CSS, see the example in this article. Share it with you for your reference. The specific analysis is as follows: Those familiar with CSS will soon find that the

Avoid OOP, POP, and POP. I haven't published a technical article for a long time. today, I saw a brother posting this post in 21PHP and turned it over. it is useful for strengthening OOP learning. ---------------------------------------------------------- Avoid OOP forms and POP ideas With the enhancement of PHP's support for OOP and the development of programming ideas, more and more PHP programmers have

Ask to avoid the problem that the xls file phone number exported by phpexcel and the ID card are displayed in scientific notation! Nbsp; phpexcel is used for export in recent projects. it is good to use, but there are several headaches, that is, when the exported data column contains nbsp; 013434342333, 053482371284, 4222131231231231231 ask to avoid the problem that the xls file phone number exported by p

Hello everyone, I am doing the development. As the question: in the sweep code when live Click button Redemption, how to avoid multiple prizes. 2 Types of offline activities: 1 sweep QR code 2 Click the Claim button. There was no problem at the time of the test (small company, just a few people testing).This is caused by a user network problem, a program vulnerability, or a logical problem ....Because there are 1 users with 9 timestamps of the same

There are several ways for Mysql to avoid table full errors: ? You are using a MySQL server lower than Version 3.23, and the "in memory" temporary table exceeds the tmp_table_size byte. To avoid this problem, you can use the "-O tmp_table_size = val" option to increase the size of the temporary table in mysqld, or use the SQL option SQL _BIG_TABLES before issuing a problematic query. You can also use th

I want to store the page static cache in the server cache folder, but a large number of new page caches are generated every day and are read and written frequently. What are the best solutions for this situation to avoid various limitations and performance issues? Reply content: I want to store the page static cache in the server cache folder, but a large number of new page caches are generated every day and are read and written frequently.What a

: This article describes how to use session in php to avoid repeated submission of forms during page refreshing. For more information about PHP tutorials, see. (1) PHP section Session_start (); $ sign = $ _ SESSION ['code']; $ sscode = mt_rand (0,); $ this-> assign ("sscode", $ sscode ); // pass the random value to if (isset ($ _ POST ['submit ']) in html) {// isset ($ _ POST ['submit']) to determine whether a form is submitted // $ _ POST ['submit

The mysqlor condition can be indexed to avoid full table scan of bitsCN.com. In some cases, the or condition can avoid full table scan. 1. if the where statement contains the or condition, the myisam table can use indexes, but innodb does not. 1) myisam table: Create table if not exists 'A '( 'Id' int (1) not null AUTO_INCREMENT, 'Uid' int (11) not null, 'Anum' char (20) default null, Primary key ('id

A keyword replacement class, which is mainly used for keyword filtering or keyword search Replacement. keyword replacement is actually a str_replace () process, if you are interested, let's take a look at the php keyword replacement class (avoid repeated replacement, retain and restore the original link) The main content of this section: A keyword replacement class It can be used for keyword filtering or keyword search replacement. Implementation pro

This article mainly introduces how to avoid conflicts between the Smarty and CSS syntax. The example shows how to deal with conflicts between the Smarty and the CSS braces, for more information about how to avoid syntax conflicts between Smarty and CSS, see the example in this article. Share it with you for your reference. The specific analysis is as follows: Those familiar with CSS will soon find that the

When using PHP's autoload, why even PHP internal classes will be loaded, such as using pdo,autoload will try to load pdo.php. How to avoid this situation? function __autoload($className){ require_once APP_PATH.'Controller/'.$className.'.php';} Reply content: When using PHP's autoload, why even PHP internal classes will be loaded, such as using pdo,autoload will try to load pdo.php. How to avoid thi

Facts have proved that even knowledgeable and experienced IT staff can easily make mistakes in managing complex server integration projects and avoid server integration detours. Joe Latrell is the IT manager and chief programmer at a real estate data service company in Pennsylvania, USA. He said: "All Aspects of server integration must be taken into account. There may be a minefield, which is quite dangerous ." Server virtualization projects are usua

There is a set of data that needs to be inserted into the database, such as importing a group of data from EXCEL to the MYSQL database. how can we avoid repeated insertion, here, the repetition is not the repetition of a field, but the combination of multiple fields, for example, idnamecontent nbsp; 1 Three Meals nbsp; 2 Li Si's question about avoiding repeated data insertion and counting the number of duplicated data There is a set of data that nee

PHP Unified page encoding to avoid garbled problems, PHP page encoding garbled Unified page Encoding MySQL database encoding, HTML page encoding, PHP or HTML files themselves are encoded to be identical. 1. MySQL Database code:When you create a database, specify the encoding (such as GBK_CHINESE_CI), create a data table, create a field, insert data without specifying the encoding, and automatically inherit the database encoding.When the database is c

PHP should avoid using the same name variable (split temporary variable), PHP variable When a temporary variable is assigned multiple times, it is split into multiple, unless it is a loop counter. Motivation There are many different uses for temporary variables. For example, they can be used as counters in a loop, save a result set in a loop, or save the results of a lengthy expression, and so on. These types of variables (containers) should be assig

This article mainly introduces that PHP should avoid using variables of the same name (splitting temporary variables). When a temporary variable is assigned multiple times, it will be split into multiple variables, unless it is a loop counter, you can refer This article mainly introduces that PHP should avoid using variables of the same name (splitting temporary variables). When a temporary variable is assi