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Today began to look at Redis's source code, which declares the following function in the simplest data structure SDS (Simple Dynamic String) header file Static inline size_t Sdslen (const SDS s) { struct SDSHDR *sh = (void*) (s (sizeof (struct))); Return sh->len; } See this code stunned a bit, before always thought inline this keyword intelligence in C + + use, did not think here also use .... Google's ... Http://stackoverflow.com/questions/7762731/

utf8_general_ci can be Reference: Http://www.diybl.com/course/7_databases/mysql/myxl/20100721/474574.html Chinese: http://hi.baidu.com/my_labs/blog/item/ea1a578360dc82ab0cf4d2c0.html English: Http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci 4, the table name contains special characters Copy Code code as follows: SELECT * from books where ' book-id ' = ' b001 ' Note is next

That is, as long as IE9 below, call two dedicated JS But I test found that just using the above JS file is not OK, 2. The calling method is incorrect Do not refer to Respond.min.js or respond.js or CSS files in file://or @import form 3. Identify the contents of the browser (use META tags to adjust the browser's rendering mode) Bootstrap does not support IE compatibility mode, in order to allow IE browser to run the latest rendering mode, will add the following tags in the pag

') {//Http://stackoverflow.com/questions/766809/whats-the-difference-bet Ween-utf8-general-ci-and-utf8-unicode-ci $tableOptions = ' CHARACTER SET utf8 COLLATE utf8_unicode_ci '; } $this->createtable (Self::tbl_name, [' ID ' => schema::type_pk, ' username ' => schema::type_s TRING. ' Not NULL ', ' Auth_key ' => schema::type_string. ' (+) not NULL ', ' Password_hash ' => schema::type_string. ' Not NULL ',//password ' password_reset_token ' => sche

There are two things that can happen when you write a statement: Toast.maketext (alarmactivity.this, "Alarm clock cancellation", toast.length_short); In English in Google search what ' s difference between this and activity.this, finally have the result (in fact, they use Java in the back of the classname.this and this Before the search is activity.this, so there is no result, this should be flexible to improve their search ability. In StackOverflow found the answer: Http://sta

, and to ensure existence. php.ini files should normally be located under the system disk/windows directory] But I still have this hint after I set it up. Then after repeated testing, finally solve the problem.Solution:Modify Session.auto_start = 0 for session.auto_start = 1 in php.ini Warning:cannot Send session Cache Limiter-headers already sent (output started At/home/alltom/public_html/flame/templa te.inc.php:1) in/home/alltom/public_html/flame/lib.inc.php on line 550

a reusable bottom, need to take more experience. The advantage is that the debugging process is simpler, and you can use Teamscontroller as a test case to test that reusable bottom. I choose the method 3 (not because it is the best, before the code is not much time to choose over 1, more confident when the choice of 2). Only the index function is processed in the refactoring step Step (create function see next article). 1. Write an action to replace Teams/index in the Itemscontroller first. Thi

you're doing, you can also set your partition manually); 9, select the disk you want to partition: 10, whether to write to change the disk and configure LVM, select Yes; 11. Configure LVM:If you choose to boot-use the entire disk and set up the LVM partition to create a large volume group to use the disk space. Now you can specify how much disk space should be used for logical volumes/exchanges. It makes sense to leave some room idle and allow you to expand your existing logical volumes later o

to update. View button opens Gsoftware, which I has already on anyway. Notice that Gsoftware lets me know that I only had 9 updates, when in reality there is than, plus 3 removals. This is due a grouping mechanism, which categorize various packages into parent-levels. Gsoftware list acts like a tree and we can navigate into 2 levels. First level displays all the children of the parent category, and at second level each child shows us more info about Itse Lf. Fantastic work in this, it'll sati

Tags: high availability mysql Build Mys service RAC version storage ManagementComparison of supported features: Https://www.quora.com/Whats-the-difference-between-Oracle-and-MySQL Comparison of Oracle and MySQL in terms of security, data type, storage type. Https://docs.oracle.com/cd/E25259_01/doc.31/e18461/oracle_mysql_compared.htm Ali go to Oracle, using the MySQL event: https://www.zhihu.com/question/29088685 RAC is an Oracle database high avail

not affect the performance of the original transaction.It can draw a security thread between the transaction and the cache system via HTTP to keep the data secure in the OLTP database.It has the smallest monitoring function; A cache log and exception Log can further enhance the build management console.With the Service Broker message component, the solution is flexible enough to trigger or reach a network-based system when asynchronous message processing occurs. In other words, the database is

Tags: mission NET login SSI RMI TPS using introduction codeone, when using vs2017 to generate SQL Server 2017 project, because of the added assembly (CLR integration, you can refer to the following links to understand) , the following issues are raised because the security permissions are configured incorrectly: SQL72014:. Net SqlClient Data provider:msg 10343, Level A, State 1, Line 1 CRE for assembly "XXX" with SAFE or external_access option ATE or ALTER ASSEMBLY failed because the sp_configur

OpenSSL, new default authentication, SQL role, password strength, authorization. Detailed Update Description: https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-11.htmlOfficial Release Notes: https://blogs.oracle.com/mysql/announcing-general-availability-of-mysql-80What's new in MySQL 8 Official edition: https://mysqlserverteam.com/whats-new-in-mysql-8-0-generally-available/ Windows (x86, 64-bit), ZIP Archive (mysql-8.0.11-winx64.zip) 183.3Mht

1. http://moofx.mad4milk.net 2.http://greghoustondesign.com/demos/mocha/ 3.http://www.fireyy.com/web-developer/308.html Lightbox Style 4.http://www.mibhouse.org/pokemon_jojo/dev/test-pbbacpbox.html box pop-up window On the internet to see a lot of friends to collect information about MooTools links, very good, thank you. I. Tutorials/articles/code examples: 　　 http://clientside.cnet.com/wiki/mootorial/---The mootorial: A more complete MooTools tutorialhttp://solutoire.com/2007/02/16/mootools-aj

1. How to understand the definitionIn Chinese, partitioning and sharding all have the meaning of partitioning. On the big side, the actions performed by these two words are really related to partitioning. Partitioning on many occasions is vertical partitioning abbreviation, then naturally, sharding is horizon partitioning. But at this time, two nouns, vertical and horizon, were introduced. What do you do with vertic and horizon? Where is the difference? 2. Starting from a specific pointTo unders

protected]**/require_once(Dir_fs_catalog. Dir_ws_modules. ' Magictoolbox/magictoolbox_addons.php ');$mod= Magictoolboxloadmodule (' Magiczoomplus ');$enabled=false;$main _page=isset($_request[' Main_Page ']) ?$_request[' Main_Page ']:$_get[' Main_Page '];$cPath=isset($_request[' CPath ']) ?$_request[' CPath ']:$_get[' CPath '];$products _id=isset($_request[' products_id ']) ?$_request[' products_id ']:$_get[' products_id '];$scroll=false;if($mod->type = = ' Standard ' !$mod->params->checkvalue

like Node-webkit, which are more generic by design.Generic applications using Https://github.com/rogerwang/node-webkit,HT for Web can naturally be packaged as client applications via Node-webkit, as shown in:Recently encountered the user through QT to the HT for Web embedded Qtwebkit solution, but encountered a normal display but not mouse operation strange problem, after a toss to find HT incredibly put Qtwebkit in the desktop environment, the wrong identification as a touch mobile terminal en

On a classic website, visitors can browse several webpages and perform some interactive activities. If you are writing such a website, it is very useful to use some data of each user. For this purpose, we can use "sessions" in JSP ".Session is a user-related object. When a user accesses a website, some data is stored in the session and retrieved as needed. Session stores different data for different users.The following webpage places the user's name in the session and displays it elsewhere. Firs

", "last name "); 13} Have you seen the difference? We can finally replace the damn "Item1, 2, 3" with a more intuitive name. It looks great. However, it seems that we have not used the System. ValueTuple mentioned above. Let's open the compiled assembly and look at it: 1 internal class Program 2 {3 private static void Main (string [] args) 4 {5 ValueTuple I don't know. I was shocked. Our fullName. First was compiled and still fullName. Item1... The difference lies in the GetFullName method. Th

Let's take a look at the nagios issue-Linux Enterprise Application-Linux server application information. The following is a detailed description. After nagios is installed and configured, run/usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios. cfg and the following problem occurs: Reading configuration data... Error: Command 'check-host-alive 'has already been defined Error: cocould not register command (config file '/usr/local/nagios/etc/commands. cfg', starting on line 181) * **