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Getting distance between two points based on latitude/longitude
...ither convert the numbers manually to radians, or use the radians function from the math module:
from math import sin, cos, sqrt, atan2, radians
# approximate radius of earth in km
R = 6373.0
lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681...
How to write a JSON file in C#?
... as well as benchmark tests .
Below is a graph of performance taken from the linked article:
This separate post, states that:
Json.NET has always been memory efficient, streaming the reading and writing large documents rather than loading them entirely into memory, but I was able to fi...
What is the JSF resource library for and how should it be used?
... specify and distinguish where those resources belong to and/or are coming from. Imagine that you happen to have a primefaces.css resource in your own webapp wherein you're overriding/finetuning some default CSS of PrimeFaces; if PrimeFaces didn't use a library name for its own primefaces.css, then ...
Possible to make labels appear when hovering over a point in matplotlib?
...ex and checking if ind["ind"][0] == prev_ind. Then only update if you move from one point to another (update text), stop hovering (make the annotation invisible) or start hovering (make annotation visible). With this change it's way more clean and efficient.
– Sembei Norimaki
...
Notification click: activity already open
... I see that if you use this approach on the activity being launched from the home screen, then every time you launch the application will start with the root activity, destroying any activities that were previously displayed on top. This certainly is not an expected behavior for a user puttin...
How to un-submodule a Git submodule?
...Could you please explain which part of the above commands causes the files from the submodule to end up in the subdirectory? Is it that you when you do the merge git brings in the file in the top level directory (with its history) but when you do the git add submodule_path it implicity does a git mv...
Logging in Scala
...Scala Logging, but the log messages are sent to an actor which calls SLF4J from a dedicated thread pool. Trades CPU time for (much better) latency. github.com/oncue/journal
– Gary Coady
Jul 24 '15 at 12:03
...
The difference between try/catch/throw and try/catch(e)/throw e
...the stack trace, so that it will appear that the exception has been thrown from this method, from that very line throw e on the method containing that try-catch block.
Which one should you use? It really depends on each case.
Let's say you have a Person class with a .Save() method that will persis...
Reduce git repository size
...be also used after a filter-branch, to mark some directories to be removed from the history (with a further gain of space); see here. But that means nobody is pulling from your public repo. filter-branch can keep backup refs in .git/refs/original, so that directory can be cleaned too.
Finally, as ...
ISO time (ISO 8601) in Python
...
Here is what I use to convert to the XSD datetime format:
from datetime import datetime
datetime.now().replace(microsecond=0).isoformat()
# You get your ISO string
I came across this question when looking for the XSD date time format (xs:dateTime). I needed to remove the microseco...