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Type hinting a collection of a specified type
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Now that Python 3.5 is officially out, there is the Type Hints supporting module - typing and the relevant List "type" for the generic containers.
In other words, now you can do:
from typing import List
def my_func(l: List...
Is it possible to declare git repository as dependency in android gradle?
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There is now a new feature in gradle that lets you add source dependencies from git.
You first need to define the repo in the settings.gradle file and map it to a module identifier:
sourceControl {
gitRepository("https://github....
How to check if a variable is a dictionary in Python?
... in try...except (AttributeError, TypeError). If exception is raised, you know ele has no items that yields an iterable...
– cowbert
Jul 14 '18 at 3:31
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Display current time in 12 hour format with AM/PM
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Outmoded now. These formatting codes are now supplanted by the formatting codes of the DateTimeFormatter class, per JSR 310.
– Basil Bourque
Sep 3 '19 at 1:45
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How does a Breadth-First Search work when looking for Shortest Path?
... @Shashank If we are not maintaining distance then how would we know the shortest distance,please explain more.
– Gaurav Sehgal
Apr 12 '15 at 19:17
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Spinlock versus Semaphore
... few threads are contending for the lock at the same time. Of course every now and then two threads will try to acquire the lock at the same time (if this couldn't happen you wouldn't need a lock!), but this is rather the exception than the rule in a "healthy" system.
In such a case, a spinlock g...
What is the difference between a var and val definition in Scala?
...ge the state of that object. At the root of it, however, there was a var.
Now, immutability is a good thing for many reasons. First, if an object doesn't change internal state, you don't have to worry if some other part of your code is changing it. For example:
x = new B(0)
f(x)
if (x.value.value ...
Missing file warnings showing up after upgrade to Xcode 4
I recently upgraded to Xcode 4 (which is a great upgrade) but now I'm getting some warnings that I did not get before. I have looked through forums and other SO posts but have not come across how to fix this.
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How do I make an asynchronous GET request in PHP?
...This is a handy code snippet, and I've been using it here and there, but I now find that I need to do the same thing, but with an SSL site. Is there anything I need to change besides the HTTP/1.1 type and the port?
– Kevin Jhangiani
Apr 12 '11 at 21:59
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Downloading a Google font and setting up an offline site that uses it
...imply download all formats at once without the hassle.
Ever wanted to know where Google hosts their webfonts? This service might be handy if you want to download all .eot, .woff, .woff2, .svg, .ttf files of a font variant directly from google (normally your User-Agent would determine the best fo...