大约有 15,475 项符合查询结果（耗时：0.0207秒） [XML]
JavaScript: replace last occurrence of text in a string
... The most accepted answer returns the same result as mine! Here is the test result:
– Tim Long
Sep 10 '18 at 14:01
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Get final URL after curl is redirected
...t "%{redirect_url}\n" --output /dev/null "https://""goo.gl/QeJeQ4"
Speed test
all_videos_link.txt - 50 links of goo.gl+bit.ly which redirect to youtube
1. With follow location
time while read -r line; do
curl -kIsL -w "%{url_effective}\n" -o /dev/null $line
done < all_videos_link.txt
Resu...
Get a specific bit from byte
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This is the fastest method.
– Adam Calvet Bohl
May 30 '18 at 11:26
add a comment
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One-liner to check whether an iterator yields at least one element?
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This seems to work for me, with a re.finditer. You can test that any stops at first success easily: run any((x > 100 for x in xrange(10000000))) and then run any((x > 10000000 for x in xrange(100000000))) -- the second should take much longer.
– chbrow...
What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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If you want to test if an object is strictly or extends a Hash, use:
value = {}
value.is_a?(Hash) || value.is_a?(Array) #=> true
But to make value of Ruby's duck typing, you could do something like:
value = {}
value.respond_to?(:[]) ...
Find out how much memory is being used by an object in Python [duplicate]
...the objects __sizeof__ might be misleading.
Using the bregman.suite, some tests with sys.getsizeof output a copy of an array object (data) in an object instance as being bigger than the object itself (mfcc).
>>> mfcc = MelFrequencyCepstrum(filepath, params)
>>> data = mfcc.X[:]
&...
How to get instance variables in Python?
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You can also test if an object has a specific variable with:
>>> hi_obj = hi()
>>> hasattr(hi_obj, "some attribute")
share
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Remove header and footer from window.print()
...s="http://www.w3.org/1999/xhtml">
<head>
<title>Print Test</title>
<style type="text/css" media="print">
@page
{
size: auto; /* auto is the current printer page size */
margin: 0mm; /* this affects the margin in th...
“Unable to find remote helper for 'https'” during git clone
...PS repositories. I can clone SSH repos fine, but not HTTPS repos. I cannot test the GIT protocol since I am behind a corporate firewall.
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returning in the middle of a using block
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The code bellow shows how using is working:
private class TestClass : IDisposable
{
private readonly string id;
public TestClass(string id)
{
Console.WriteLine("'{0}' is created.", id);
this.id = id;
}
public void Dispose()
{
Console.WriteLine("...