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MySQL: Set user variable from result of query
...for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET statements.
UPDATE:
Further to comments below, you may also do the following:
SET @user := 12345...
How do I select the parent form based on which submit button is clicked?
...with 3 forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
...
Haskell: How is pronounced? [closed]
...monad: it provides pure expressions and sequencing, but no binding. (Technically, a strong lax monoidal functor.)
Hmm.
class (Functor f) => StrongLaxMonoidalFunctor f where
. . .
Not quite as catchy as Monad, I think.
What all this basically boils down to is that Applicative doesn't cor...
how to iterate through dictionary in a dictionary in django template?
... thanks for your answer. I have recipe_name one level up and didn't show that level of the dictionary. Thank you for your answer! I couldn't use values[0] instead I had to values.items
– darren
Nov 5 '11 at 8:41
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Toggle input disabled attribute using jQuery
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prop is the better method since 1.6 as said by Arne.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 5 '14 at 14:49
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What underlies this JavaScript idiom: var self = this?
...s and has the potential to cause errors if you are not careful.
What you call the variable doesn't particularly matter. var that = this; is fine, but there's nothing magic about the name.
Functions declared inside a context (e.g. callbacks, closures) will have access to the variables/function dec...
C default arguments
...rargs function and manually fill in default values for arguments which the caller doesn't pass.
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How to detect user inactivity in Android
...s
private static Handler disconnectHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
// todo
return true;
}
});
private static Runnable disconnectCallback = new Runnable() {
@Ove...
How to quit a java app from within the program
...vention, a nonzero status code indicates abnormal termination.
This method calls the exit method in class Runtime. This method never returns normally.
The call System.exit(n) is effectively equivalent to the call:
Runtime.getRuntime().exit(n)
...
How to get value from form field in django framework?
...ctForm(request.POST) # A form bound to the POST data
if form.is_valid(): # All validation rules pass
# Process the data in form.cleaned_data
# ...
print form.cleaned_data['my_form_field_name']
return HttpResponseRedirect('/thanks/') # Redirec...