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Java Interfaces/Implementation naming convention [duplicate]
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edited Sep 4 '18 at 17:36
Dave Jarvis
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How can I ensure that a division of integers is always rounded up?
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Eric LippertEric Lippert
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How to dismiss keyboard for UITextView with return key?
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34 Answers
34
Active
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How to automatically install Ansible Galaxy roles?
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149
You should use a requirements.yml file for this use-case. Describe the roles you require, using...
Python idiom to return first item or None
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If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return item
return default
Example:
x = get_first(get_first_list())
if x:
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y = get_first(get_second_list())
if...
Co-variant array conversion from x to y may cause run-time exception
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154
What it means is this
Control[] controls = new LinkLabel[10]; // compile time legal
controls[0...
Principal component analysis in Python
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edited Sep 3 '10 at 11:40
nikow
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answered Nov ...
How does lock work exactly?
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467
The lock statement is translated by C# 3.0 to the following:
var temp = obj;
Monitor.Enter(t...
How do I install Python OpenCV through Conda?
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41 Answers
41
Active
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What does if __name__ == “__main__”: do?
...hen used as a script? When imported as a module?
# Suppose this is in foo4.py
__name__ = "__main__"
def bar():
print("bar")
print("before __name__ guard")
if __name__ == "__main__":
bar()
print("after __name__ guard")
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