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return query based on date
... {
$sort: { createdAt: 1 }
}
])
console.log(data)
} catch(error) {
console.log(error)
}
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Bash if [ false ] ; returns true
...lpful but in ubuntu 18.04 $0 was "-bash" and the basename command threw an error. Changing that test to [[ "$0" =~ "bash" ]] made the script work for me.
– WiringHarness
Nov 22 '19 at 12:37
...
Wget output document and headers to STDOUT
...considered debugging information and as such they are sent to the standard error rather than the standard output. If you are redirecting the standard output to a file or another process, you will only get the document contents.
You can try redirecting the standard error to the standard output as a ...
How to reference generic classes and methods in xml documentation
...trick to find the correct notation, without having to go through trial-and-error. Kudos my man
– Peter
Nov 10 '16 at 8:30
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Can virtual functions have default parameters?
... B;
A* pa = pb;
pa->f(); //OK, calls pa->B::f(7)
pb->f(); //error: wrong number of arguments for B::f()
}
Here is a sample program to demonstrate what defaults are picked up. I'm using structs here rather than classes simply for brevity -- class and struct are exactly the same i...
Any reason not to use '+' to concatenate two strings?
...----------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/izkata/<ipython console> in <module>()
/home/izkata/<ipython console> in foo(zeta)
TypeError: cannot concatenate 'str' and 'in...
Removing fields from struct or hiding them in JSON Response
...ucta interface{},
includeFields map[string]bool) (jsona []byte, status error) {
value := reflect.ValueOf(structa)
typa := reflect.TypeOf(structa)
size := value.NumField()
jsona = append(jsona, '{')
for i := 0; i < size; i++ {
structValue := value.Field(i)
v...
how to add records to has_many :through association in rails
...
@Mischa how should i handle error if House.find(params[:house_id]) is nill.. i got error of TypeMismatch if params[:house_id] is nil.. i already using rescue. but is there any better_way..??
– Vishal
Jul 30 '16 a...
How to change variables value while debugging with LLDB in Xcode?
...sulting from the
expression.
-u <boolean> ( --unwind-on-error <boolean> )
Clean up program state if the expression causes a crash, breakpoint
hit or signal.
Examples:
expr my_struct->a = my_array[3]
expr -f bin -- (index * 8) + 5
expr ...
Using global variables in a function
... myGlobal inside func1() before you assign to it, you'd get an UnboundLocalError, because Python has already decided that it must be a local variable but it has not had any value associated with it yet. But by using the 'global' statement, you tell Python that it should look elsewhere for the name ...