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How can I get the external SD card path for Android 4.0+?
...unt")
.redirectErrorStream(true).start();
process.waitFor();
final InputStream is = process.getInputStream();
final byte[] buffer = new byte[1024];
while (is.read(buffer) != -1) {
s = s + new String(buffer);
}
is.close();
...
How do I get the number of days between two dates in JavaScript?
... it due to many edge cases.
Using a library
Date-fns
https://date-fns.org/v2.16.1/docs/differenceInDays
const differenceInDays = require('date-fns/differenceInDays');
const startDate = '2020-01-01';
const endDate = '2020-03-15';
const diffInDays = differenceInDays(new Date(endDate), new Date(...
What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
...
Start a git commit message with a hashmark (#)
...
git commit --cleanup=scissors should be used. It's added to Git v2.0.0 on 2014.05.21
from git commit --help
--cleanup=<mode>
scissors
Same as whitespace, except that everything from (and including) the line
"# ------------------------ >8 ------------------------" is ...
When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
How to check if a value exists in an array in Ruby
...
if (rb_equal(rb_enum_values_pack(argc, argv), memo->v1)) {
MEMO_V2_SET(memo, Qtrue);
rb_iter_break();
}
return Qnil;
}
static VALUE
enum_member(VALUE obj, VALUE val)
{
struct MEMO *memo = MEMO_NEW(val, Qfalse, 0);
rb_block_call(obj, id_each, 0, 0, member_i, (VALUE)memo);
r...
How to decide font color in white or black depending on background color?
...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0....
How do you attach a new pull request to an existing issue on github?
... Can this be updated to the v3 API? GitHub just turned off the v2 API.
– Michael Best
Jun 13 '12 at 20:38
1
...
Merge two Git repositories without breaking file history
... Git documentation recommends not rebasing... git-scm.com/book/en/v2/Git-Branching-Rebasing#_rebase_peril
– Stephen Turner
May 15 at 16:02
add a comment
...
Data structure for loaded dice?
..., r and s, between 0 and 1. Let i = floor(r*N)+1. If qi < s then return ai else return bi. The work in the alias method is in figuring out how to produce qk, ak and bk.
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