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Shuffle two list at once with same order
...m.seed(seed)
a.shuffle()
random.seed(seed)
b.shuffle()
print(a)
print(b)
>>[3, 1, 4, 2, 5]
>>[8, 6, 9, 7, 10]
This also works when you can't work with both lists at the same time, because of memory problems.
s...
Android Location Providers - GPS or Network Provider?
...
There are 3 location providers in Android.
They are:
gps –> (GPS, AGPS): Name of the GPS location provider. This
provider determines location using satellites. Depending on
conditions, this provider may take a while to return a location fix.
Requires the permission android.p...
How to convert a string into double and vice versa?
...he nearest int can then be done as
int myInt = (int)(myDouble + (myDouble>0 ? 0.5 : -0.5))
I'm honestly not sure if there's a more streamlined way to convert back into a string than
NSString* myNewString = [NSString stringWithFormat:@"%d", myInt];
...
Are C++ enums signed or unsigned?
...ut the sign of an enum type, say when comparing 2 enum operands using the < operator, we are actually talking about implicitly converting the enum type to some integral type. It is the sign of this integral type that matters. And when converting enum to integral type, this statement applies:
9 T...
Authorative way to override onMeasure()?
...- No choice. Parent has chosen.
This is done so that Android can make multiple passes to find the right size for each item, see here for more details.
If you do not follow these rules, your approach is not guaranteed to work.
For example if you want to check if you're allowed to change the size...
What is the point of interfaces in PHP?
...e, it will be used like this (everywhere in our code):
new MySqlPerson()->Create($personObject);
new MongoPerson()->Create($personObject);
This way, something like this can't happen:
new MySqlPerson()->Create($personObject)
new MongoPerson()->Create($personsName, $personsAge);
It's...
How to add Active Directory user group as login in SQL Server
...
In SQL Server Management Studio, go to Object Explorer > (your server) > Security > Logins and right-click New Login:
Then in the dialog box that pops up, pick the types of objects you want to see (Groups is disabled by default - check it!) and pick the location where ...
Node.js get file extension
...xtension(filename) {
var i = filename.lastIndexOf('.');
return (i < 0) ? '' : filename.substr(i);
}
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Length of a JavaScript object
...pt object. Is there a built-in or accepted best practice way to get the length of this object?
39 Answers
...
How to index into a dictionary?
...as
first_key = list(colors)[0]
first_val = list(colors.values())[0]
or alternatively (this avoids instantiating the keys view into a list):
def get_first_key(dictionary):
for key in dictionary:
return key
raise IndexError
first_key = get_first_key(colors)
first_val = colors[firs...