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Joomla's mistake! 3.4

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Raziyah00 last edited by

When Joomla is moved! 3.4. There was a mistake Database Error: Unable to load Database Driver: mysqli. Correctly wrote the configurations: $db $host $password $user
I tried to create a new base and a laser with all the privileges, but the result is the same.
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Bogopo last edited by
```
var $dbtype = 'mysql'
```
Set the value in the configuration.php, example above.
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の意味g, axes = plt.sub ts(1, 4, gsize=(15, 3),subplot_kw={'xticks': (), 'yticks': ()})
Software Programming • python • • yajahira

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First of all, you can check from axes.AxesSubplot class instance is stored in numpy.ndarray.This instance is called a sub plot, and it is a figure to draw a graph.Supports numpy.ndarray as a receiving dish that stores one or more sub-plots.。g contains an instance of the Figure class to draw the above s plot.This is called a figure object, and it is an area to draw a sub plot.This is the image.+------------------ |fig |+-------++-------+ ||axes[0]||axes[1]| |+-------++-------+ +------------------
Query MySQL with If
Software Programming • mysql • • Marcee

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It has several options available to get what is expected. One option is a LEFT JOIN on the same table:SELECT `contabilidadpiezasmenor`.`parte`, SUM(`contabilidadpiezasmenor`.`cantidad`) `cantidad` FROM `contabilidadpiezas` `contabilidadpiezasmenor` LEFT JOIN `contabilidadpiezas` `contabilidadpiezasmayor` ON `contabilidadpiezasmenor`.`ubiclinea` = `contabilidadpiezasmayor`.`ubiclinea` AND `contabilidadpiezasmenor`.`numconteo` < `contabilidadpiezasmayor`.`numconteo` WHERE `contabilidadpiezasmayor`.`numconteo` IS NULL GROUP BY `contabilidadpiezasmenor`.`parte` ORDER BY `contabilidadpiezasmenor`.`parte`; Another option, in recent versions of MySQL may be to use the clause WITH:WITH `contabilidadpiezasmaximo` AS ( SELECT `parte`, `cantidad`, ROW_NUMBER() OVER ( PARTITION BY `parte`, `ubiclinea` ORDER BY `numconteo` DESC ) `maximo` FROM `contabilidadpiezas` ) SELECT `parte`, SUM(`cantidad`) `cantidad` FROM `contabilidadpiezasmaximo` WHERE `maximo` = 1 GROUP BY `parte` ORDER BY `parte`; See https://dbfiddle.uk/?rdbms=mysql_8.0&fiddle=5a004bdd365a193b09949f21dadaa9b4 .
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how to speed up / fix this Ubuntu Apache MySQL Server Configuration?
SQL, Database Testing • mysql ubuntu performanc languagee tuni • • esther

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Normal. (Probably) The number of processes is probably controlled by your max_connections. Each new web page is probably connecting the MySQL and failing to disconnect. Or some "connection pooling" is hanging onto it. Anyway, 60 connections in Sleep mode is very low impact. (In particular, it won't explain the high 'load average'.) "(1,2MB with 41 http-requests)" -- Does that mean 40 images on the page. Isn't that a bit cluttered? "(1,5MB 35 Requests)" -- Should not take 6 seconds if the queries are "simple" and/or "well indexed". Turn on the slowlog with long_query_time = 1 to discover the slow queries. See http://mysql.rjweb.org/doc.php/mysql_analysis#slow_queries_and_slowlog Wordpress has inefficient schema for its "meta" tables. This describes a fix: http://mysql.rjweb.org/doc.php/index_cookbook_mysql#speeding_up_wp_postmeta "but AFAIK blocking 65.9% Memory" Good. And here's why: "innodb_buffer_pool_size | 12582912000" Good. That setting should be that high; it is the main tunable. I see that you don't appear to be swapping. Good. And you are consuming most of RAM. Good. ""show processlist" is empty" -- Fine. That means that all the connections have finished and gone away. Meanwhile the 60 are hanging around to save effort in starting up new connections. All Good. "kill these tasks" No. Not worth the effort. SHOW ENGINE INNODB STATUS -- Nothing exciting in it. (A "deadlock" would be exciting.)
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How do you get all the records from a table along with the sum of a field of one of your relationships? Laravel 7
Software Programming • mysql laravel eloquent • • Nykeriab

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While in the comment I proposed to modify the method withCount() to obtain the sum of one of the columns of the related records:Account::withCount(['transactions as total' => function($query) { $query->select(DB::raw('sum(amount)')); }])->get() It was because I remembered doing so in some project (you can follow the logic that applies that method from https://github.com/laravel/framework/blob/d9b43ee080b4d51344b2e578aa667f85040471a2/src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php#L450 Eloquent).Although in the documentation https://laravel.com/docs/8.x/eloquent-relationships#aggregating-related-models It's not explicit, if you give us a hint to mentionIf you need to set additional query constraints on the count query, you may pass an array keyed by the relationships you wish to count. The array values should be closures which receive the query builder instance.If you need to set additional query restrictions in the count query, you can pass a matrix coded by the relationships you want to count. The values of the matrix should be anonymous functions that receive the instance of the query builder.Then we can take advantage of that anonymous function to modify the instance of query builder so that instead of taking the default values (which would use the 'count' aggregate), and pass the subconsult that we want to do, which is 'sum' of a column.But looking for arguments to write the explanation of this answer, I found that from laravel 8.x, we also have the method https://laravel.com/docs/8.x/eloquent-relationships#other-aggregate-functions , so you could also do simply:Account::withSum('transactions', 'amount')->get(); And you'd get a field. transactions_sum_amount in each instance of the model Account.
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I don't know what to do, I'm making a result table for an exercise and you're making a mistake on line 4
Software Programming • python • • magpie

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You need to convert the entrance to some numeric type. For the pattern is to return string# a função float abaixo faz a conversão de tipos a = float(input ('Primeiro número: ')) b = float(input ('Segundo número: ')) c = a+b d = a-b e = a*b f = a**b g = a//b h = a%b print('a = ' , a , '\nb = ' , b , '\na + b = ', c , '\na - b = ', d , '\na * b = ', e , '\na ** b = ', f , '\na // b = ', g , '\na % b = ' , h)
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Can I tell MySQL what to cache?
SQL, Database Testing • mysql cache query c languageac langua • • Raziyah00

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MySQL Documentation has SQL_NO_CACHE option: Two query cache-related options may be specified in SELECT statements: SQL_CACHE The query result is cached if it is cacheable and the value of the query_cache_type system variable is ON or DEMAND. SQL_NO_CACHE The server does not use the query cache. It neither checks the query cache to see whether the result is already cached, nor does it cache the query result. (Due to a limitation in the parser, a space character must precede and follow the SQL_NO_CACHE keyword; a nonspace such as a newline causes the server to check the query cache to see whether the result is already cached.) Examples: SELECT SQL_CACHE id, name FROM customer; SELECT SQL_NO_CACHE id, name FROM customer; You can set SQL_NO_CACHE as the default for your session by setting query_cache_type SET query_cache_type = 'DEMAND'; or SET query_cache_type = 2; Afterwards, you must say SELECT SQL_CACHE to make it cache the SELECT
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Error: list indices must be integers or slices, not str
Software Programming • python mysql python 3.x list • • Duquan

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Modified pricelist is a list. Indexing operator https://docs.python.org/3/reference/datamodel.html#object.__getitem__ for type object list accepts only whole numbers (list elements indices) or type object https://docs.python.org/3/glossary.html#term-slice As an argument. 'name' - not a whole number sliceHmm.So the team:pricelist['name'] Makes a mistake:TypeError: list indices must be integers or slices, not strIf I understand your code correctly, variable. pricelist - The list of entry points you want to put in the SQL table.This can be done:records = [tuple(x.values()) for x in pricelist] Cursor.executemany(_SQL, records)
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MySQL using a index referencing a different column
SQL, Database Testing • mysql index tuning • • rielyn

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According to your question, you use select * from MyTable where business_key = 1234 and parent = id; to get the last record. There is caveat you need to be aware of with regard to the index. If a particular business_key has 1000 records, the query will do a index range scan through all 1000 key entries. Since you know that parent=id indicates the last record, it would plausible for you to change the query to take advantage of that. Why? The index you would automatically have the ids sorted for any given business_key,parent combination. With that in mind, please change two things CHANGE #1 : Refactor the Query to the following: select B.* from ( select MIN(id) id FROM MyTable where business_key = 1234 ) A INNER JOIN MyTable B using (id); Keep in mind that MAX(id) would be the original (the oldest) record. CHANGE #2 : Add the following index ALTER TABLE MyTable ADD INDEX NewerIndx (business_key,id); If you have queries that have this WHERE clause (WHERE business_key=1234 AND parent=999), then do not drop NewIndx. You may want to drop your old index on a staging or dev server and test all your queries, if any of the queries get worse on the dev server, keep your old index. Give it a Try !!!
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How does MySQL return a result set from a stored procedure?
SQL, Database Testing • mysql stored procedure • • Jolied

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Each SELECT statement that does not insert into a table or a variable will produce a result set. If you want your stored procedure to return only one result set, make sure that you only have one SELECT statement. If you have other SELECT statements, make sure that they insert results into a table or variable. UPDATE Here are examples of stored procedures. This stored procedure would return one result set: DELIMITER ;; CREATE DEFINER=CURRENT_USER PROCEDURE stored_procedure_name() BEGIN DECLARE local_variable_name INT; SELECT column_name FROM table_1 LIMIT 1 INTO local_variable_name; SELECT * FROM table_1; END;; DELIMITER ; This stored procedure would return two result sets: DELIMITER ;; CREATE DEFINER=CURRENT_USER PROCEDURE stored_procedure_name() BEGIN DECLARE local_variable_name INT; SELECT column_name FROM table_1 LIMIT 1 INTO local_variable_name; SELECT * FROM table_1; SELECT * FROM table_2; END;; DELIMITER ;
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Liners load 3-4 seconds (denver)
Software Programming • denwer • • jonetta

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Option number one - remodel Denwer. homeTake off the base's dam, http://www.denwer.ru/faq/other.html#h30-19 , reset) Option number two - use another local server, for example http://winginx.ru/
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Makes a mistake main.js:3 Uncaught TypeError: Document.getElementsByClassName is not a function I cannot understand.
Software Programming • javascript html • • zymir

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Document writing with a little letter, not a capital. Right: document
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makes a mistake "array(4)."
Software Programming • php jquery ajax phpmyadmin • • Kadir

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This communication is not a mistake but a conclusion var_dump at the end of the code. You're not making any mistakes because the default PDO does not use exemptions. If you check the return result execute()I'll be there. false♪So PDO makes an exception to the error, give the 4-metre of the building's set. [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]♪Parameters prepare() transmitted in the form [':param' => $value] with a two-tracked playlister.It is likely that the changes will either solve the problem or at least make a mistake.In the case of the customer, the logical field is to identify not the class, but the ID. eventually the customer code for the request can be asked before the class.$("#send").click(function(){ let data = { dateCL: $("#dateCL").val(), .... } ; $.post("/path/to/script", data, function(result){ console.log(result); }); }); URL for shipment should always start with root
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I can't finish installing devtools on R 3.4.0
Software Programming • • kalena

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If your R is set right with the network, I believe that install.packages("devtools") will already download and install correctly. If it doesn't work, write that we're seeing other alternatives.
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urllib Python 3.4 problem with code
Software Programming • python python 3.x • • fbio

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We need to use the method. https://docs.python.org/3/library/stdtypes.html?highlight=decode#bytes.decode because respData It's the blue line.import urllib.request url = 'http://example.com' resp = urllib.request.urlopen(url) respData = resp.read() print(respData.decode()) Example:>>> b"\r\n\t\t\t\t\t\t \xd0\x9a\xd1\x83\xd0\xbf\xd0\xb8\xd1\x82\xd1\x8c \r\n\t\t\t\t\t".decode() '\r\n\t\t\t\t\t\t Купить \r\n\t\t\t\t\t' I think you'd like to remove the gaps then:>>> b"\r\n\t\t\t\t\t\t \xd0\x9a\xd1\x83\xd0\xbf\xd0\xb8\xd1\x82\xd1\x8c \r\n\t\t\t\t\t".decode().strip() 'Купить'
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Could there be a multiple pseudonym (AS) at MySQL?
Software Programming • mysql sql • • Saumya

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You can't appoint by design. AS One and the same pseudonym to several poles in the resulting table. However, you can form one pillar that will accept the value found.When making the request, it should be remembered that the design LIKE Not necessarily only in WHERE-Condition, you can use it after the operator. SELECT♪ Applying multiple choices CASE You can choose exactly the pole that was discovered and already named the pseudonym by design. AS♪So your request can be rewritten like that.SELECT CASE WHEN name_EN LIKE '%param%' THEN name_EN WHEN name_RU LIKE '%param%' THEN name_RU WHEN name_TR LIKE '%param%' THEN name_TR END AS AL FROM tbl WHERE name_EN LIKE '%param%' OR name_TR LIKE '%param%' OR name_RU LIKE '%param%'

Joomla's mistake! 3.4

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Query MySQL with If
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