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MySQL/Amazon RDS error: “you do not have SUPER privileges…”
...o change the privileges I get the following error: rds-modify-db-parameter-group: Malformed input-Unrecognized option: -–parameters=name=log_bin_trust_function_creators, Usage: rds-modify-db-parameter-group DBParameterGroupName --parameters "name=value, value=value, method=valu...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
MongoDB仿关系型数据库Group聚合例子MongoDB Group,max仿关系型数据库例子，通过BsonJavaScript脚本实现。相当的SQL：select * from GroupDemo a right join (select userName,max(date) maxdate from GroupDemo group by userName) b on a date=b maxdate
namespace MongoGroupDemo
{
...
Making button go full-width?
...
For button groups you'll need to add btn-block to the btn-group wrapper as well.
– Jesse
Sep 23 '15 at 19:56
1
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How to match all occurrences of a regex
...ression to capture all matches using Regex#match and iterate over captured groups. Here you write a partial match function and want it applied mutiple times on a given string, this is not the responsibility of Regexp. I suggest you check the implementation of scan for a better understanding: ruby-do...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...ortant detail to this excellent answer: Using "-( archives -)" or "--start-group archives --end-group" is the only sure-fire way of resolving circular dependencies, since each time the linker visits an archive, it pulls in (and registers the unresolved symbols of) only the object files that resolve ...
Bootstrap 3 Collapse show state with Chevron icon
...min.js" type="text/javascript" ></script>
<div class="panel-group" id="accordion">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a class="accordion-toggle" data-toggle="collapse" data-parent="#ac...
SQL Server query - Selecting COUNT(*) with DISTINCT
...rogram_type AS [Type]
FROM cm_production
WHERE push_number=@push_number
GROUP BY program_type
DISTINCT COUNT(*) will return a row for each unique count. What you want is COUNT(DISTINCT <expression>): evaluates expression for each row in a group and returns the number of unique, non-null v...
TSQL Pivot without aggregate function
... Min(Case DBColumnName When 'Date' Then Data End) Date
From table
Group By CustomerId
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JOIN two SELECT statement results
...te], 0) AS [# Late]
FROM
(SELECT ks, COUNT(*) AS '# Tasks' FROM Table GROUP BY ks) t1
LEFT JOIN
(SELECT ks, COUNT(*) AS '# Late' FROM Table WHERE Age > Palt GROUP BY ks) t2
ON (t1.ks = t2.ks);
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How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
...ts to execute it:
SET FOREIGN_KEY_CHECKS = 0;
SET @tables = NULL;
SELECT GROUP_CONCAT('`', table_schema, '`.`', table_name, '`') INTO @tables
FROM information_schema.tables
WHERE table_schema = 'database_name'; -- specify DB name here.
SET @tables = CONCAT('DROP TABLE ', @tables);
PREPARE st...