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Entity Framework: How to disable lazy loading for specific query?
... Much more useful answer. This controls the specific sub-ordinate tables that are loaded at the point where the query is being constructed. For any real world problem this has to be the way to go.
– Richard Petheram
Jul 2 '18 at 7:18
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When would you use delegates in C#? [closed]
... is extremely handy (although the example is a little contrived).
string sTableName = "test";
string sQuery = "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='" + sTableName + "'";
DataProvider.UseReader( sQuery,
delegate( System.Data.IDataReader reader )
{
Con...
MySQL - ORDER BY values within IN()
...
SELECT id, name
FROM mytable
WHERE name IN ('B', 'A', 'D', 'E', 'C')
ORDER BY FIELD(name, 'B', 'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it is much better performan...
For loop for HTMLCollection elements
...erable performance or memory drawbacks. For example if I need to iterate a table row's cells I use a [...row.cells].forEach instead of doing a row.querySelectorAll('td')
– Mojimi
Oct 15 '19 at 13:18
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
...ith MySQL 5.6.6, an INSERT ... ON DUPLICATE KEY UPDATE statement against a table having more than one unique or primary key is also marked as unsafe.`
– Abdul Muneer
Aug 10 '15 at 5:53
...
Display milliseconds in Excel
...
I've discovered in Excel 2007, if the results are a Table from an embedded query, the ss.000 does not work. I can paste the query results (from SQL Server Management Studio), and format the time just fine. But when I embed the query as a Data Connection in Excel, the format al...
Calling a function within a Class method?
...ults inside the class function? e.g I have a query that selects all from a table and then returns a fetch all result set. Is it possible to loop through that result set inside a classes function? e.g class query{ public function show(){ getResults(); while($stmt->fetchCollumn()){ ECHO RESULTS ...
Best way to store JSON in an HTML attribute?
...ld encode + to prevent UTF-7 attacks.
In any case, the following escaping table will work:
NUL -> \u0000
CR -> \n or \u000a
LF -> \r or \u000d
" -> \u0022
& -> \u0026
' -> \u0027
+ -> \u002b
/ -> \/ or \u002f
< -> \u003c
> -> \u003e
\ -> \\ or \u005c
U+2...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
... column(s) is/ are causing the problem as this error usually occurs when a table-constraint is violated..
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Disable messages upon loading a package
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not really, try library(data.table, quietly = TRUE)
– Gaurav Singhal
Jul 2 '18 at 8:40
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