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Replace whitespaces with tabs in linux
How do I replace whitespaces with tabs in linux in a given text file?
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
What's better to use in PHP for appending an array member,
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Differences in string compare methods in C#
Comparing string in C# is pretty simple. In fact there are several ways to do it. I have listed some in the block below. What I am curious about are the differences between them and when one should be used over the others? Should one be avoided at all costs? Are there more I haven't listed?
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How can I filter a date of a DateTimeField in Django?
I am trying to filter a DateTimeField comparing with a date. I mean:
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@selector() in Swift?
I'm trying to create an NSTimer in Swift but I'm having some trouble.
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#pragma mark in Swift?
In Objective C, I can use #pragma mark to mark sections of my code in the symbol navigator. Since this is a C preprocessor command, it's not available in Swift. Is there a stand-in for this in Swift, or do I have to use ugly comments?
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How would you implement an LRU cache in Java?
...tc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap ,...
“:” (colon) in C struct - what does it mean? [duplicate]
... describes how many bits that field uses. Here is a quote from MSDN describing bit fields:
The constant-expression specifies the width of the field in bits. The
type-specifier for the declarator must be unsigned int, signed int, or
int, and the constant-expression must be a nonnegative integ...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...})
Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and values.
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Is there a way of setting culture for a whole application? All current threads and new threads?
Is there a way of setting culture for a whole application? All current threads and new threads?
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