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Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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How to verify if a file exists in a batch file?
I have to create a .BAT file that does this:
3 Answers
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Sort JavaScript object by key
I need to sort JavaScript objects by key.
31 Answers
31
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Java: Class.this
I have a Java program that looks like this.
5 Answers
5
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HTTP vs HTTPS performance
Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it?
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How do I iterate through the files in a directory in Java?
I need to get a list of all the files in a directory, including files in all the sub-directories. What is the standard way to accomplish directory iteration with Java?
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What does preceding a string literal with “r” mean? [duplicate]
I first saw it used in building regular expressions across multiple lines as a method argument to re.compile() , so I assumed that r stands for RegEx.
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How can I remove a substring from a given String?
Is there an easy way to remove substring from a given String in Java?
12 Answers
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How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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Should enums in C# have their own file? [closed]
I have a class which uses an enumeration, the enum is currently in its own file which seems wasteful.
15 Answers
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