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How to get RGB values from UIColor?
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edited Mar 23 '18 at 8:00
Pang
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What is Func, how and when is it used
What is Func<> and what is it used for?
7 Answers
7
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Matplotlib make tick labels font size smaller
...-small')
tick.label.set_rotation('vertical')
fig.suptitle('Matplotlib xticklabels Example')
plt.show()
if __name__ == '__main__':
xticklabels_example()
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impr...
Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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error: passing xxx as 'this' argument of xxx discards qualifiers
...he std::set are stored as const StudentT. So when you try to call getId() with the const object the compiler detects a problem, mainly you're calling a non-const member function on const object which is not allowed because non-const member functions make NO PROMISE not to modify the object; so the ...
Resetting generator object in Python
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Another option is to use the itertools.tee() function to create a second version of your generator:
y = FunctionWithYield()
y, y_backup = tee(y)
for x in y:
print(x)
for x in y_backup:
print(x)
This could be beneficial from memory usage point ...
How can I find and run the keytool
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I found a solution by myself as below quote. It works fine.
"C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias
> sociallisting -keystore "D:\keystore\SocialListing" |
> "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe"
&g...
Can I install Python windows packages into virtualenvs?
Virtualenv is great: it lets me keep a number of distinct Python installations so that different projects' dependencies aren't all thrown together into a common pile.
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How can I get current location from user in iOS
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The answer of RedBlueThing worked quite well for me. Here is some sample code of how I did it.
Header
#import <UIKit/UIKit.h>
#import <CoreLocation/CoreLocation.h>
@interface yourController : UIViewController <CLLocationManagerDelegate> {
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What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...