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Calculating distance between two points, using latitude longitude?
...ve function gives you straight line distance.
– Rahul_Pawar
Mar 9 '17 at 9:40
1
My kingdom for de...
How Can I Download a File from EC2 [closed]
...mazon.com/gettingstarted/latest/computebasics-linux/getting-started-deploy-app-connect-linux.html
When you are able to ssh as in the above doc, you will be able to use scp to copy the file.
Another option is to bring up some Web server on your instance, configure HTTPS if your file is sensitive a...
Interfaces — What's the point?
...rn creature;
}
}
And our front end would then become:
CreatureFactory _factory;
void SpawnCreature(creatureType)
{
ICreature creature = _factory.GetCreature(creatureType);
creature.Walk();
}
The front end now does not even have to have a reference to the library where Troll and Orc ...
How to handle AccessViolationException
I am using a COM object (MODI) from within my .net application. The method I am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and ev...
CALayer with transparent hole in it
...dRect:CGRectMake(0, 0, 2.0*radius, 2.0*radius) cornerRadius:radius];
[path appendPath:circlePath];
[path setUsesEvenOddFillRule:YES];
CAShapeLayer *fillLayer = [CAShapeLayer layer];
fillLayer.path = path.CGPath;
fillLayer.fillRule = kCAFillRuleEvenOdd;
fillLayer.fillColor = [UIColor grayColor].CGCo...
How to pass arguments into a Rake task with environment in Rails? [duplicate]
...rnate way to go about this: use OS environment variables. Benefits of this approach:
All dependent rake tasks get the options.
The syntax is a lot simpler, not depending on the rake DSL which is hard to figure out and changes over time.
I have a rake task which requires three command-line option...
Is there a difference between single and double quotes in Java?
...swered Apr 13 '17 at 13:21
Horse_1995Horse_1995
19722 silver badges1212 bronze badges
...
What is the meaning of addToBackStack with null parameter?
...s another add()
or remove()) and call addToBackStack(), then all changes applied
before you call commit() are added to the back stack as a single
transaction and the Back button will reverse them all together.
The order in which you add changes to a FragmentTransaction doesn't matter, except...
if else in a list comprehension [duplicate]
...ple extracting objects with a specific condition (name in this example) var_list = [v for v in tf.all_variables() if v.name == 'C:0']
– Charlie Parker
Jul 25 '16 at 16:50
13
...
How can I get the count of milliseconds since midnight for the current?
... // Get current moment in UTC, then…
.get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`.
2017-04-25T03:01:14.113Z → 113
Get the fractional second in nanoseconds (billions).
Divide by a thousand to truncate to milliseconds (thousands).
See this code run l...