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How is CountDownLatch used in Java Multithreading?
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Yes, you understood correctly.
CountDownLatch works in latch principle, the main thread will wait until the gate is open. One thread waits for n threads, specified while creating the CountDownLatch.
Any thread, usually the main thread of the ap...
Convert a Python list with strings all to lowercase or uppercase
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It can be done with list comprehensions. These basically take the form of [function-of-item for item in some-list]. For example, to create a new list where all the items are lower-cased (or upper-cased in the second snippet), you would use:
>>> [x.lower() for x in ["A","B","C"]]
['...
Use Font Awesome Icon As Favicon
...and save it as an image (.ico).
Seriously now, you may want to check the formats supported by each browser: http://en.wikipedia.org/wiki/Favicon#File_format_support
If your characters are image or vector files, you'll be ok with most browsers but IE (because MS hates you). Otherwise, well, you'll ...
Sort points in clockwise order?
Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting.
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Binary search (bisection) in Python
Is there a library function that performs binary search on a list/tuple and return the position of the item if found and 'False' (-1, None, etc.) if not?
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Arguments or parameters? [duplicate]
...meters' are used. They seem to be used interchangeably in the programming world.
12 Answers
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Android Studio: Android Manifest doesn't exists or has incorrect root tag
I got this error on Android Studio (AS):
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How to get the current user in ASP.NET MVC
In a forms model, I used to get the current logged-in user by:
20 Answers
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How to create SBT project with IntelliJ Idea?
I just got started with Scala/LiftWeb/Sbt developing, and I'd like to import a Sbt project in IntelliJ Idea.
Actually, I managed to import my project in two different ways:
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Pythonic way to check if a list is sorted or not
Is there a pythonic way to check if a list is already sorted in ASC or DESC
23 Answers
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