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LINQ to SQL - Left Outer Join with multiple join conditions
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You need to introduce your join condition before calling DefaultIfEmpty(). I would just use extension method syntax:
from p in context.Periods
join f in context.Facts on p.id equals f.periodid into fg
from fgi in fg.Where(f => f.otherid == 17).DefaultIfEmpty()
where p.c...
When should I use require() and when to use define()?
...tion (the function passed to define()), until there has been a require([]) call that has asked for it, or something that depends on it." github.com/jrburke/requirejs/wiki/…
– alxndr
Aug 18 '14 at 16:55
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How to get element by classname or id
...ailable, angular.element delegates to Angular's built-in subset of jQuery, called "jQuery lite" or "jqLite.""
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Importing variables from another file?
...le1.x1 have the same value, they are not the same variables. For instance, call a function in file1 that modifies x1 and then try to print the variable from the main file: you will not see the modified value.
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How to declare a variable in MySQL?
...* FROM places WHERE place BETWEEN start AND finish;
END; //
DELIMITER ;
CALL sp_test(5);
If the DEFAULT clause is missing, the initial value is NULL.
The scope of a local variable is the BEGIN ... END block within
which it is declared.
Server System Variables (prefixed with @@):
The MySQL se...
What should I do if the current ASP.NET session is null?
...uireRequestState runs before control is handed to your Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some classes doing initialization logic during startup, for example on the Application_Start event or by using a static co...
Is there a MySQL option/feature to track history of changes to records?
..._from and valid_until dates, you can reconstruct the entire picture historically. To find the current status, you search for records with a null VALID_UNTIL date.
It's unwieldy (strictly speaking, you don't need the valid_from, but it makes the queries a little easier). It complicates your design ...
Is it possible to dynamically compile and execute C# code fragments?
...agments to a text file (or any input stream), and then execute those dynamically? Assuming what is provided to me would compile fine within any Main() block, is it possible to compile and/or execute this code? I would prefer to compile it for performance reasons.
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What does send() do in Ruby?
...l some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable befor...
File Upload without Form
...rl: your_ajax_path,
dataType : 'json',
// in PHP you can call and process file in the same way as if it was submitted from a form:
// $_FILES['input_file_name']
success: function(jsonData){
...
}
...
});
});
Don't forget to add pro...