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Converting file size in bytes to human-readable string

... 19 Answers 19 Active ...
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How to remove single character from a String

... 231 You can also use the StringBuilder class which is mutable. StringBuilder sb = new StringBuilder...
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Is a Java hashmap search really O(1)?

I've seen some interesting claims on SO re Java hashmaps and their O(1) lookup time. Can someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions. ...
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How do I check the difference, in seconds, between two dates?

...es, use total_seconds like this: import datetime as dt a = dt.datetime(2013,12,30,23,59,59) b = dt.datetime(2013,12,31,23,59,59) (b-a).total_seconds() 86400.0 #note that seconds doesn't give you what you want: (b-a).seconds 0 ...
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Detect iPad users using jQuery?

... 317 iPad Detection You should be able to detect an iPad user by taking a look at the userAgent pro...
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Numpy first occurrence of value greater than existing value

I have a 1D array in numpy and I want to find the position of the index where a value exceeds the value in numpy array. 7 A...
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Converting .NET DateTime to JSON [duplicate]

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Replace only some groups with Regex

... 315 A good idea could be to encapsulate everything inside groups, no matter if need to identify the...
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How to convert an IPv4 address into a integer in C#?

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Change URL parameters

... 114 I've extended Sujoy's code to make up a function. /** * http://stackoverflow.com/a/10997390/...