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What is the difference between 'my' and 'our' in Perl?
...
separate from any package, so that the variable cannot be accessed in the form of $package_name::variable.
On the other hand, our variables are package variables, and thus automatically:
global variables
definitely not private
not necessarily new
can be accessed outside the package (or lexica...
How to check if a variable is a dictionary in Python?
...ou had subclassed dict:
d = {'abc':'abc','def':{'ghi':'ghi','jkl':'jkl'}}
for ele in d.values():
if isinstance(ele,dict):
for k, v in ele.items():
print(k,' ',v)
share
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impr...
How to convert an xml string to a dictionary?
...entTree
class XmlListConfig(list):
def __init__(self, aList):
for element in aList:
if element:
# treat like dict
if len(element) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictConfig(element))
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How can I read a function's signature including default argument values?
Given a function object, how can I get its signature? For example, for:
8 Answers
8
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How to replace plain URLs with links?
...sing the function below to match URLs inside a given text and replace them for HTML links. The regular expression is working great, but currently I am only replacing the first match.
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LINQ Select Distinct with Anonymous Types
...
Have a read through K. Scott Allen's excellent post here:
And Equality for All ... Anonymous Types
The short answer (and I quote):
Turns out the C# compiler overrides
Equals and GetHashCode for anonymous
types. The implementation of the two
overridden methods uses all the public
pro...
Is there an easy way to request a URL in python and NOT follow redirects?
... @Hamish requests allows you to access headers both in the canonical form and in lowercase. See docs.python-requests.org/en/master/user/quickstart/…
– Marian
May 12 '17 at 7:21
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How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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Do I set properties to nil in dealloc when using ARC?
... undesired behaviors.
In ARC, the system automatically releases any ivars for you, so if that's all you're doing you don't even have to implement dealloc. However, if you have any non-object ivars that need special handling (e.g. allocated buffers that you need to free()) you still have to deal wit...
In Intellij, how do I toggle between camel case and underscore spaced?
At my company we have two different style guides for java vs sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or pe...