大约有 5,476 项符合查询结果（耗时：0.0270秒） [XML]
Check whether an array is a subset of another
... the solutions, and the results are drastic. These two solutions are about 100x faster than the .Except() and .Intersect() solutions, and use no additional memory.
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How to convert enum value to int?
...de clarity), a data type that is DB friendly, and I don't have to research 100 enum alternatives to do it the "android way". Simple and effective.
– John Ward
Mar 1 '17 at 15:08
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Remove all occurrences of a value from a list?
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Consider x = [1] * 10000 + [2] * 1000. The loop body executes 1000 times and .remove() has to skip 10000 elements every time it's invoked. That smells like O(n*n) to me but is no proof. I think the proof would be to assume that the number of 2s...
How to generate a random string in Ruby
...he most upvotes:
require 'benchmark'
require 'securerandom'
len = 10
n = 100_000
Benchmark.bm(12) do |x|
x.report('SecureRandom') { n.times { SecureRandom.alphanumeric(len) } }
x.report('rand') do
o = [('a'..'z'), ('A'..'Z'), (0..9)].map(&:to_a).flatten
n.times { (0...len).map { o...
iOS - forward all touches through a view
...s through the empty space of my UIView, to be handled by the view behind. +100
– Danny
Jun 30 at 0:41
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Why do we need break after case statements?
... case 2:
if ( ((year % 4 == 0) && !(year % 100 == 0))
|| (year % 400 == 0) )
numDays = 29;
else
numDays = 28;
break;
default:
System.out.println("I...
How to add color to Github's README.md file
....org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
width="100" height="50"
>
<text font-size="16" x="10" y="20">
<tspan fill="red">Hello</tspan>,
<tspan fill="green">world</tspan>!
</text>
</svg>
Unfortunately, even though y...
Replace a string in a file with nodejs
...dated to reflect this.
Edit (16 March 2018): The package has amassed over 100k monthly downloads now and has been extended with additional features as well as a CLI tool.
Install:
npm install replace-in-file
Require module
const replace = require('replace-in-file');
Specify replacement optio...
Pointer arithmetic for void pointer in C
...
+100
Final conclusion: arithmetic on a void* is illegal in both C and C++.
GCC allows it as an extension, see Arithmetic on void- and Fu...
How to remove EXIF data without recompressing the JPEG?
...oes the job very well without quality loss and blazing fast! Yo deserve a +100! But to remove ALL type of headers I have to specify the -da option otherwise it will not remove adobe photoshop/creator info from jpg's. I'm on Windows anyway.
– Codebeat
May 27 '15...