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How can I convert an RGB image into grayscale in Python?
...a luma value, but it means you can do it all in matplotlib.
Background:
http://matplotlib.sourceforge.net/api/colors_api.html
http://en.wikipedia.org/wiki/HSL_and_HSV
Alternatively, you could use PIL or the builtin colorsys.rgb_to_yiq() to convert to a colorspace with a true luma value. You co...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...RSA implementation...
<?php
include('Crypt/RSA.php');
$rsa = new Crypt_RSA();
$rsa->loadKey('-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS
+rU9soUg2FnODva32D1AqhwdziwHINFaD1MVlcrYG6XRKfkcxnaXGfFDWHLEvNBS
EVCgJjtHAGZIm5GL/KA86KDp/CwDFMSwluowcXwDwo...
TypeScript sorting an array
...e Boolean expression as whatever the first value's type was instead of the complete expression.
8 Answers
...
How to change Navigation Bar color in iOS 7?
...avigationBar.h
Code
NSArray *ver = [[UIDevice currentDevice].systemVersion componentsSeparatedByString:@"."];
if ([[ver objectAtIndex:0] intValue] >= 7) {
// iOS 7.0 or later
self.navigationController.navigationBar.barTintColor = [UIColor redColor];
self.navigationController.naviga...
UIGestureRecognizer on UIImageView
...
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...ut the stuff you have no control over.
For example, instead of -IC:\\boost_1_52_0, say -isystem C:\\boost_1_52_0.
Hope it helps. Good Luck!
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How do I expand the output display to see more columns of a pandas DataFrame?
...’s width exceeds display.width. [default: True] [currently: True]
See: http://pandas.pydata.org/pandas-docs/stable/generated/pandas.set_option.html
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How do I convert seconds to hours, minutes and seconds?
...ample, if you want to omit a field when printing, use this: stackoverflow.com/questions/7999935/…
– eric_kernfeld
Oct 10 '18 at 15:40
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What does the PHP error message “Notice: Use of undefined constant” mean?
...
You should quote your array keys:
$department = mysql_real_escape_string($_POST['department']);
$name = mysql_real_escape_string($_POST['name']);
$email = mysql_real_escape_string($_POST['email']);
$message = mysql_real_escape_string($_POST['message']);
As is, it was looking ...
Could not load file or assembly or one of its dependencies
...encies! I suggest you follow this steps:
Download Dependency Walker from http://www.dependencywalker.com/
Launch Dependency Walker and open the dll (in my case NativeInterfaces.dll)
You can see one or more dll with the error in red Error opening file...
It means that this dll is missing in your ...