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How can I measure the similarity between two images? [closed]
... to do the following steps to each image:
scale to something small, like 64x64 or 32x32, disregard aspect ratio, use a combining scaling algorithm instead of nearest pixel
scale the color ranges so that the darkest is black and lightest is white
rotate and flip the image so that the lighest color ...
jQuery.click() vs onClick
...ce.
I've done a test in Firefox 16.0 32-bit on Windows Server 2008 R2 / 7 64-bit
$('span'); // 6,604 operations per second
document.getElementsByTagName('span'); // 10,331,708 operations/sec
For click events, check Native Browser events vs jquery trigger or jQuery vs Native Click Event Binding.
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WAMP/XAMPP is responding very slow over localhost
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I had the same problem running on Windows 8 running on 64bit. Apache is really slow but when you press F5 many times it goes ok. In the end i after doing many things managed to solve it. Right now it works fast.
Try the following tasks to increase the performance:
Change apach...
Pandas every nth row
...so GroupBy.first/GroupBy.head, you group on the index:
df.index // 2
# Int64Index([0, 0, 1, 1, 2], dtype='int64')
df.groupby(df.index // 2).first()
# Alternatively,
# df.groupby(df.index // 2).head(1)
a b c
0 x x x
1 x x x
2 x x x
The index is floor-divved by the stride (2, in thi...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...yte[0];
byte[] array2 = new byte[0];
Assert.AreEqual(System.Convert.ToBase64String(array1),
System.Convert.ToBase64String(array2));
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Java regex email
...f emails
public static final String EMAIL_VERIFICATION = "^([\\w-\\.]+){1,64}@([\\w&&[^_]]+){2,255}.[a-z]{2,}$";
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Does MySQL included with MAMP not include a config file?
...d parts of a configuration ... for example:
[mysqld]
max_allowed_packet = 64M
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What causes java.lang.IncompatibleClassChangeError?
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Is there something concerned with 32bit or 64bit platform , I found a error only perform in 64bit platform.
– cowboi-peng
Sep 26 '17 at 3:21
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AngularJS UI Router - change url without reloading state
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+100
Simply ...
“java.lang.OutOfMemoryError : unable to create new native Thread”
...ads created. The default Thread Stack Size for JRockit 1.5/1.6 is 1 MB for 64-bit VM on Linux OS. 32K threads will require a significant amount of physical and virtual memory to honor this requirement.
Try to reduce the Stack Size to 512 KB as a starting point and see if it helps creating more thr...