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Sorted collection in Java
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From the Javadoc: "The Iterator provided in method iterator() is not guaranteed to traverse the elements of the PriorityQueue in any particular order."
– Christoffer Hammarström
Mar 2 '...
Video auto play is not working in Safari and Chrome desktop browser
...me for Android (Version 56.0).
As per this post in developers.google.com, From Chrome 53, the autoplay option is respected by the browser, if the video is muted.
So using autoplay muted attributes in video tag enables the video to be autoplayed in Chrome browsers from version 53.
Excerpt from t...
PHP case-insensitive in_array function
...urn in_array(strtolower($needle), array_map('strtolower', $haystack));
}
From Documentation
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How do I check whether a file exists without exceptions?
...ffers an object-oriented approach (backported to pathlib2 in Python 2.7):
from pathlib import Path
my_file = Path("/path/to/file")
if my_file.is_file():
# file exists
To check a directory, do:
if my_file.is_dir():
# directory exists
To check whether a Path object exists independently ...
How do I test a private function or a class that has private methods, fields or inner classes?
...ay to test a private method, or any inaccessible member, is via @Jailbreak from the Manifold framework.
@Jailbreak Foo foo = new Foo();
// Direct, *type-safe* access to *all* foo's members
foo.privateMethod(x, y, z);
foo.privateField = value;
This way your code remains type-safe and readable....
Technically, why are processes in Erlang more efficient than OS threads?
From Erlang Programming (2009):
7 Answers
7
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Explanation of the UML arrows
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Here's some explanations from the Visual Studio 2015 docs:
UML Class Diagrams: Reference: https://msdn.microsoft.com/library/dd409437%28VS.140%29.aspx
5: Association: A relationship between the members of two classifiers.
5a: Aggregation: An associ...
Converting NumPy array into Python List structure?
...,6]]).tolist()
[[1, 2, 3], [4, 5, 6]]
Note that this converts the values from whatever numpy type they may have (e.g. np.int32 or np.float32) to the "nearest compatible Python type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll e...
Bash array with spaces in elements
I'm trying to construct an array in bash of the filenames from my camera:
10 Answers
1...
How do I step out of a loop with Ruby Pry?
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To exit Pry unconditionally, type
exit-program
Edit from @Nick's comment: Also works:
!!!
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