as the title it is possible for others to connect to my local mysql, but I connected to other people s mysql (windows system) directly reported in 2003, what are the circumstances PS. Someone else s firewall has been turned off ...
enter the order number on the page to query the data in Table A, extract some of the field values in Table A to the page, and make changes. The other field values remain the same. insert the modified value and the unmodified field into the new table b...
where is there a problem? ...
recently, I was learning the flask framework. When I came into contact with the concept of "separation of front and rear ends ", I was very curious. I checked on the Internet and said that the front and rear ends exchange data through JSON. My personal ...
as shown in the picture, ask your next friend ...
for example, I now have a sql query for example but I also want to know what the data type of apply_date is what to do? ...
my authorization command is grant select on *.* to user_name @ % identified by password ; navicatpingIPpingtelnet3306 3306IP I hope someone can see this problem and take a look at it for me. Thank you. ...
SELECT a.something,a.time1,a.time2 FROM `table` AS a WHERE a.time1 < (a.time2 * 60 + 3600); in this case, it is impossible to recognize whether there is any good method for time2, during the calculation. ...
install bind-9.11, on cenos7 and enable mysql-5.7, for DLZ, database when compiling, but always report an error when starting. It is good to start with zone file directly. The following is the configuration and error message of named.conf. Please see wh...
when building the XSS platform, when registering a user, it appears after clicking the submit button. If registration fails, please contact the administrator. excuse me, what s going on? URL of the reference step: Link description ...
I want to use flask to write a crawler, start it by clicking the button at the front, and then save the crawled content in the database, and the front end to display the data. is mainly about how to call the crawler. Give me an idea. Thank you ....
I install the mysql database on the ubuntu virtual machine of my computer, and then store the data, and then my classmate can access my database and retrieve the data directly on his computer. Please tell me what to do and how to set it up. I haven t co...
current tool-related version VisualStudio 2017 Enterprise version EntityFramework 6.0.0 mysql-connector-net-6.10.6 mysql-for-visualstudio-1.2.7 problems encountered cannot add the MySQL data source support program to VisualStudio. The abov...
my graduation project is to do a system to climb the Douban website, and my classmate s graduation project is big data s topic. Our teacher Bishu asked me to use a crawler to store the data, and then make an interface to transmit the data to my classma...
Today, the database was modified, suspected to be sql injection, and there was a problem viewing binlog: ERROR: Error in Log_event::read_log_event(): Sanity check failed , data_len: 151, event_type: 35 ERROR: Could not read entry at offset 120: Erro...
this semester, the teacher gave a project, which is to design a push system. The main function is to realize the function that the server pushes data to the mobile or PC, and the mobile or PC can feedback the data. Because I am a mechanical student, I d...
after clicking execute in this way, it has been executed all the time, but there is no output. What is going on? ...
the saving speed can be solved by forming a sql statement, but some fields in it must be associated with multiple tables for verification check. if you save the previous verification, then you will not be able to achieve the purpose of fast saving. Is f...
php backend needs to insert records into the mysql database table. The id of this table is primary key but not self-growing, which needs to be calculated by some rules. For example, if you first check that there are N records created that day, then set t...
centos7 mysql5.7.21 remote link is not linked? linux ...
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Mini Program Map can you simplify the display and hide some unwanted information such as some buildings ...
export function makeMap ( str: string, expectsLowerCase?: boolean ): (key: string) => true | void { const map = Object.create(null) const list: Array<string> = str.split( , ) for (let i = 0; i < list.length; iPP) { map[list[i...
problem description Nuxt.js framework to dock webscoket or timer polling, close the scoket connection or clear the timer before the page jumps the environmental background of the problems and what methods you have tried there are no beforeRouterL...
openwrt: there is also a 17 lede-17.01.5-brcm2708-bcm2710-rpi-3-ext4-sdcard.img are all stuck here. What s the reason? am I in the wrong place? Light cat-routing-raspberry pie -desktops, etc. ...