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MySQL: How to copy rows, but change a few fields?
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INSERT INTO Table
( Event_ID
, col2
...
)
SELECT "155"
, col2
...
FROM Table WHERE Event_ID = "120"
Here, the col2, ... represent the remaining columns (the ones other than Event_ID) in ...
How do you use Mongoose without defining a schema?
... is true to an extent, however there is a workaround that I found. You can call the toJSON() method on the document that you retrieved which will then allow you to use your regular dot notation like doc.someProp. Sorry to reply on such an old answer. Just wanted to add this in case someone comes acr...
Cast int to varchar
I have below query and need to cast id to varchar
8 Answers
8
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Spring 3 RequestMapping: Get path value
... HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE:
@RequestMapping("/{id}/**")
public void foo(@PathVariable("id") int id, HttpServletRequest request) {
String restOfTheUrl = (String) request.getAttribute(
HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
...
}
...
SQLite add Primary Key
...ered Jun 3 '09 at 17:42
Nathan RidleyNathan Ridley
31.2k2828 gold badges113113 silver badges186186 bronze badges
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Are class names in CSS selectors case sensitive?
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CSS selectors are generally case-insensitive; this includes class and ID selectors.
But HTML class names are case-sensitive (see the attribute definition), and that's causing a mismatch in your second example. This has not changed in HTML5.1
This is because the case-sensitivity of selectors i...
What is the LD_PRELOAD trick?
...trumented variant, or to load a library that does something completely radically different from the base library as though to emulate some other system.
– Joshua
Nov 26 '13 at 15:35
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How do I use arrays in C++?
...nce this is equivalent to &*(x+n), and the sub-expression *(x+n) technically invokes undefined behavior in C++ (but not in C99).
Also note that you could simply provide x as the first argument. That is a little too terse for my taste, and it also makes template argument deduction a bit harder f...
Why is parenthesis in print voluntary in Python 2.7?
...his as:
print (expr1), (expr2), ... (expr3)
This has nothing to do with calling a function.
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How to use concerns in Rails 4
...owerful concept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them getting too fat and messy.
As an example, I'll put one well known pattern, the taggable pattern:
#...