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Calculating Distance between two Latitude and Longitude GeoCoordinates
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The GeoCoordinate class (.NET Framework 4 and higher) already has GetDistanceTo method.
var sCoord = new GeoCoordinate(sLatitude, sLongitude);
var eCoord = new GeoCoordinate(eLatitude, eLongitude);
return sCoord.GetDistanceTo(eCoord);
The distance is in meters.
You need to re...
CSS selector with period in ID
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Classic. Just after digging through all the specs writing the question, I read through it some more and found there is an escape character. I've never needed it before, but the CSS spec does allow for backslash (\) escaping like most languages. What do you know?
So in my example, the following rul...
How to step through Python code to help debug issues?
...ar from perfect and completely rudimentary if compared to GDB, but it is already a huge improvement over pdb.
Usage is analogous to pdb, just install it with:
python3 -m pip install --user ipdb
and then add to the line you want to step debug from:
__import__('ipdb').set_trace(context=21)
You ...
String formatting: % vs. .format vs. string literal
...ner looking.
Why would you not use it?
not knowing about it (me before reading this)
having to be compatible with Python 2.5
To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not...
“ImportError: No module named” when trying to run Python script
... This is the only (permanent) solution that addresses jupyter notebook not reading from environment PATH and PYTHONPATH ... without resorting to messy sys.path statements at the start of every file (yuk). thank you @jesse.
– JohnL_10
Mar 26 at 22:29
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How to create a fixed-size array of objects
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This question has already been answered, but for some extra information at the time of Swift 4:
In case of performance, you should reserve memory for the array, in case of dynamically creating it, such as adding elements with Array.append().
v...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
...ing masks affects default behavior on iOS8.
– GingerBreadMane
Sep 23 '14 at 14:56
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Safe String to BigDecimal conversion
I'm trying to read some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
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How to check if all list items have the same value and return it, or return an “otherValue” if they
... convenience so that I don't have to declare a "I've seen the first item already" flag. You could easily just declare the flag. Also I'm using "int" instead of T because I know that you can always compare two ints for equality, which is not the case for two Ts. This is more of a sketch of a solution...
WebRTC - scalable live stream broadcasting / multicasting
...rtp packet.
It all works pretty well, the documentation is fairly easy to read and understand. I suggest you start with the "echotest" example, it is the simplest and you can understand the inner workings of Janus. I suggest you edit the echo test file to make your own, because there is a lot of re...