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np.mean() vs np.average() in Python NumPy?
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np.average takes an optional weight parameter. If it is not supplied they are equivalent. Take a look at the source code: Mean, Average
np.mean:
try:
mean = a.mean
except AttributeError:
return _wrapit(a, 'mean', axis, dtype, ...
How to easily initialize a list of Tuples?
I love tuples . They allow you to quickly group relevant information together without having to write a struct or class for it. This is very useful while refactoring very localized code.
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How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
...nswered Nov 29 '11 at 23:20
chiukichiuki
13.2k33 gold badges3636 silver badges3535 bronze badges
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Case preserving substitute in Vim
...answered Apr 17 '14 at 22:59
Mark LodatoMark Lodato
37.4k55 gold badges3737 silver badges3030 bronze badges
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Rails new vs create
...s a new unsaved record and renders the form.
An HTTP POST to /resources takes the record created as part of the new action and passes it to the create action within the controller, which then attempts to save it to the database.
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Java equivalent to Explode and Implode(PHP) [closed]
I am new in Java although had a good experience in PHP, and looking for perfect replacement for explode and implode (available in PHP) functions in Java.
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Passing a Bundle on startActivity()?
...his, Example.class);
Bundle extras = mIntent.getExtras();
extras.putString(key, value);
2) Create a new Bundle
Intent mIntent = new Intent(this, Example.class);
Bundle mBundle = new Bundle();
mBundle.putString(key, value);
mIntent.putExtras(mBundle);
3) Use the putExtra() shortcut method of t...
Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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Convert char to int in C and C++
...0, '1' -> 1, etc, you can write
char a = '4';
int ia = a - '0';
/* check here if ia is bounded by 0 and 9 */
Explanation:
a - '0' is equivalent to ((int)a) - ((int)'0'), which means the ascii values of the characters are subtracted from each other. Since 0 comes directly before 1 in the ascii ...
Can I mix Swift with C++? Like the Objective-C .mm files
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Slipp D. Thompson
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answered Jun 4 '14 at 16:35
Rob NapierRob Napier
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