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Insert text with single quotes in PostgreSQL
...ifier %L is equivalent to quote_nullable().
Like: format('%L', string_var)
concat() or concat_ws() are typically no good as those do not escape nested single quotes and backslashes.
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How to use ng-repeat without an html element
...
var flat = [];
$scope.myData.forEach(function (item) {
flat.concat(item);
}
return flat;
}
}
And then in the HTML:
<table>
<tbody>
<tr ng-repeat="item in flattened()"><td>{{item}}</td></tr>
</tbody>
</table>
...
How to write to an existing excel file without overwriting data (using pandas)?
...iteration you append the dataframe to a list. In the end you only need to concat. If they follow the same structure will work as a charm. list_my_dfs = [df1, df2, ...] # List of your dataframes my_dfs_together = pd.concat(list_my_df ) # concat my dataframes in a single df
– ...
Add one row to pandas DataFrame
... It is worth noting however, that concat (and therefore append) makes a full copy of the data, and that constantly reusing this function can create a significant performance hit. If you need to use the operation over several datasets, use a list comprehension...
Java equivalent to Explode and Implode(PHP) [closed]
.... so you can use
subString/split
for Explode & use String
concate
for Implode.
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How to move columns in a MySQL table?
...oringColumn = '<YOUR COLUMN SHOULD COME AFTER THIS COLUMN>';
SELECT CONCAT("ALTER TABLE `",t.TABLE_NAME,"` CHANGE COLUMN `",COLUMN_NAME,"`
`",COLUMN_NAME,"` ", c.DATA_TYPE, CASE WHEN c.CHARACTER_MAXIMUM_LENGTH IS NOT
NULL THEN CONCAT("(", c.CHARACTER_MAXIMUM_LENGTH, ")") ELSE "" END ," AFT...
Why does the JavaScript need to start with “;”?
...
I would say since scripts are often concatenated and minified/compressed/sent together there's a chance the last guy had something like:
return {
'var':'value'
}
at the end of the last script without a ; on the end. If you have a ; at the start on yours,...
Using “like” wildcard in prepared statement
...meter is itself interpreted as a mix of data and control instructions. SQL concatenation occurs before it is interpreted and preserves the vulnerability. The IEEE Center for Secure Design says to Strictly Separate Data and Control Instructions, and Never Process Control Instructions Received from Un...
Repair all tables in one go
...ry to print REPAIR SQL statments for all tables inside a database:
select concat('REPAIR TABLE ', table_name, ';') from information_schema.tables
where table_schema='mydatabase';
After that copy all the queries and execute it on mydatabase.
Note: replace mydatabase with desired DB name
...
How can I see the specific value of the sql_mode?
...--------------------------------------------------------------+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER |
+------------------------------------------------------------------------------------------------------------------...