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“Instantiating” a List in Java? [duplicate]
...rrayList<T>();
This is in contrast with .NET, where, since version 2.0, List<T> is the default implementation of the IList<T> interface.
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Do sealed classes really offer performance Benefits?
...lization optimization for sealed classes and methods, improving IronPython 2.0 pystone performance by 4%. Other programs can expect similar improvement [Rodrigo].". Sealed classes can improve performance, but as always, it depends on situation.
– Smilediver
Nov...
How to change Git log date formats
...r --date=rfc2822) shows timestamps in RFC 2822 format,
often found in E-mail messages.
--date=short shows only date but not time, in YYYY-MM-DD format.
--date=raw shows the date in the internal raw git format %s %z format.
--date=default shows timestamps in the original timezone
(either commi...
np.mean() vs np.average() in Python NumPy?
...7]
f = np.ma.masked_greater(g,5)
np.average(f)
Out: 34.0
np.mean(f)
Out: 2.0
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How to get root view controller?
... = [UIApplication sharedApplication].keyWindow.rootViewController;
Swift 2.0
let viewController = UIApplication.sharedApplication().keyWindow?.rootViewController
Swift 5
let viewController = UIApplication.shared.keyWindow?.rootViewController
...
How to give System property to my test via Gradle and -D
...dle itself adds when testing; you can see the code here: github.com/CLOVIS-AI/wildfyre-java/blob/master/src/main/java/…
– CLOVIS
Jan 12 '19 at 15:30
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Django ModelForm: What is save(commit=False) used for?
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As a "real example", consider a user model where the email address and the username are always the same, and then you could overwrite your ModelForm's save method like:
class UserForm(forms.ModelForm):
...
def save(self):
# Sets username to email before saving
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How can I decode HTML characters in C#?
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It's in the .NET 2.0 version of System.Web
– Mark Cidade
Sep 23 '08 at 18:14
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How to equalize the scales of x-axis and y-axis in Python matplotlib?
... square, unless the plotting window is also square. Tested with Matplotlib 2.0
– divenex
Apr 25 '17 at 21:19
P.axis('e...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
....30, 1.36, 1.42, 1.48, 1.54,
1.60, 1.66, 1.72, 1.78, 1.84, 1.90, 1.96, 2.0, 2.12, 2.25,
2.37, 2.50, 2.62, 2.75, 2.87, 3.0, 3.2, 3.4, 3.6, 3.8,
4.0, 4.3, 4.7, 4.9, 5.0, 5.5, 6.0, 6.5, 6.8, 7.0,
7.3, 7.5, 7.8, 8.0, 8.4, 8.7, 9.0, 9.4, 9.6, 9.8,
10.0
};
/**...