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Get current date in milliseconds
...d it'll result in a negative value.
For example, if I run that code right now, it'll result in
currentTime = 1357234941
and
currentTime /seconds / minutes / hours / days = years
1357234941 / 60 / 60 / 24 / 365 = 43.037637652207
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Age from birthdate in python
...etime
import dateutil
def birthday(date):
# Get the current date
now = datetime.datetime.utcnow()
now = now.date()
# Get the difference between the current date and the birthday
age = dateutil.relativedelta.relativedelta(now, date)
age = age.years
return age
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What is the purpose of Flask's context stacks?
... up models
db.create_all()
In this case, the Flask-SQLAlchemy extension knows about the app application, but during create_all() it will throw an error complaining about there not being an application context. This error is justified; you never told Flask what application it should be dealing with...
Does Java have a using statement?
...
"Luckily" with Java 7 being available now, this answer is no longer true (and I think that ARM blocks are exactly what using does).
– Joachim Sauer
Aug 24 '11 at 8:32
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GetHashCode Guidelines in C#
...rate with hash tables" or similar. Like most things, GetHashCode is about knowing when to break the rules.
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How do I replace text in a selection?
...lect every instance of your selected text within the same document. If you now start typing to replace your original highlighted text, you will replace all of the other occurrences at the same time.
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Finding index of character in Swift String
... Any other indices can be created using successor or predecessor methods.
Now to help us with indices, there is a set of methods (functions in Swift 1.x):
Swift 4.x
let text = "abc"
let index2 = text.index(text.startIndex, offsetBy: 2) //will call succ 2 times
let lastChar: Character = text[index...
Timer function to provide time in nano seconds using C++
...e QueryPerformanceCounter. And here is more on QPC
Apparently there is a known issue with QPC on some chipsets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states:
QueryPerformance...
How to add a jar in External Libraries in android studio
...TEPS
First switch your folder structure from Android to Project.
Now search for the libs folder inside app - build folder.
Once you have pasted the .jar file inside libs folder. Right click on the jar file and at end click on Add as library. This will take care of adding compile f...
How do I install Python OpenCV through Conda?
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I have summarized my now fully working solution, OpenCV-Python - How to install OpenCV-Python package to Anaconda (Windows). Nevertheless I've copied and pasted the important bits to this post.
At the time of writing I was using Windows 8.1, 6...